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-rw-r--r--drivers/acpi/asus_acpi.c2
-rw-r--r--drivers/acpi/bus.c8
-rw-r--r--drivers/acpi/dispatcher/dsfield.c13
-rw-r--r--drivers/acpi/dispatcher/dsinit.c6
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c232
-rw-r--r--drivers/acpi/dispatcher/dsmthdat.c43
-rw-r--r--drivers/acpi/dispatcher/dsobject.c25
-rw-r--r--drivers/acpi/dispatcher/dsopcode.c63
-rw-r--r--drivers/acpi/dispatcher/dsutils.c25
-rw-r--r--drivers/acpi/dispatcher/dswexec.c26
-rw-r--r--drivers/acpi/dispatcher/dswload.c67
-rw-r--r--drivers/acpi/dispatcher/dswscope.c10
-rw-r--r--drivers/acpi/dispatcher/dswstate.c72
-rw-r--r--drivers/acpi/ec.c5
-rw-r--r--drivers/acpi/events/evevent.c10
-rw-r--r--drivers/acpi/events/evgpe.c85
-rw-r--r--drivers/acpi/events/evgpeblk.c96
-rw-r--r--drivers/acpi/events/evmisc.c41
-rw-r--r--drivers/acpi/events/evregion.c115
-rw-r--r--drivers/acpi/events/evrgnini.c48
-rw-r--r--drivers/acpi/events/evsci.c8
-rw-r--r--drivers/acpi/events/evxface.c49
-rw-r--r--drivers/acpi/events/evxfevnt.c67
-rw-r--r--drivers/acpi/events/evxfregn.c15
-rw-r--r--drivers/acpi/executer/exconfig.c54
-rw-r--r--drivers/acpi/executer/exconvrt.c12
-rw-r--r--drivers/acpi/executer/excreate.c25
-rw-r--r--drivers/acpi/executer/exdump.c36
-rw-r--r--drivers/acpi/executer/exfield.c18
-rw-r--r--drivers/acpi/executer/exfldio.c67
-rw-r--r--drivers/acpi/executer/exmisc.c25
-rw-r--r--drivers/acpi/executer/exmutex.c15
-rw-r--r--drivers/acpi/executer/exnames.c28
-rw-r--r--drivers/acpi/executer/exoparg1.c101
-rw-r--r--drivers/acpi/executer/exoparg2.c89
-rw-r--r--drivers/acpi/executer/exoparg3.c17
-rw-r--r--drivers/acpi/executer/exoparg6.c3
-rw-r--r--drivers/acpi/executer/exprep.c45
-rw-r--r--drivers/acpi/executer/exregion.c40
-rw-r--r--drivers/acpi/executer/exresnte.c17
-rw-r--r--drivers/acpi/executer/exresolv.c77
-rw-r--r--drivers/acpi/executer/exresop.c12
-rw-r--r--drivers/acpi/executer/exstore.c15
-rw-r--r--drivers/acpi/executer/exstoren.c7
-rw-r--r--drivers/acpi/executer/exstorob.c17
-rw-r--r--drivers/acpi/executer/exsystem.c12
-rw-r--r--drivers/acpi/executer/exutils.c17
-rw-r--r--drivers/acpi/hardware/hwacpi.c6
-rw-r--r--drivers/acpi/hardware/hwgpe.c8
-rw-r--r--drivers/acpi/hardware/hwregs.c146
-rw-r--r--drivers/acpi/hardware/hwsleep.c31
-rw-r--r--drivers/acpi/hardware/hwtimer.c20
-rw-r--r--drivers/acpi/namespace/nsaccess.c46
-rw-r--r--drivers/acpi/namespace/nsalloc.c118
-rw-r--r--drivers/acpi/namespace/nsdump.c15
-rw-r--r--drivers/acpi/namespace/nsdumpdv.c6
-rw-r--r--drivers/acpi/namespace/nseval.c484
-rw-r--r--drivers/acpi/namespace/nsinit.c298
-rw-r--r--drivers/acpi/namespace/nsload.c27
-rw-r--r--drivers/acpi/namespace/nsnames.c14
-rw-r--r--drivers/acpi/namespace/nsobject.c15
-rw-r--r--drivers/acpi/namespace/nsparse.c6
-rw-r--r--drivers/acpi/namespace/nssearch.c148
-rw-r--r--drivers/acpi/namespace/nsutils.c104
-rw-r--r--drivers/acpi/namespace/nswalk.c6
-rw-r--r--drivers/acpi/namespace/nsxfeval.c203
-rw-r--r--drivers/acpi/namespace/nsxfname.c22
-rw-r--r--drivers/acpi/namespace/nsxfobj.c11
-rw-r--r--drivers/acpi/osl.c159
-rw-r--r--drivers/acpi/parser/psargs.c25
-rw-r--r--drivers/acpi/parser/psloop.c25
-rw-r--r--drivers/acpi/parser/psopcode.c6
-rw-r--r--drivers/acpi/parser/psparse.c35
-rw-r--r--drivers/acpi/parser/psscope.c17
-rw-r--r--drivers/acpi/parser/pstree.c8
-rw-r--r--drivers/acpi/parser/psutils.c5
-rw-r--r--drivers/acpi/parser/pswalk.c5
-rw-r--r--drivers/acpi/parser/psxface.c46
-rw-r--r--drivers/acpi/resources/rscalc.c108
-rw-r--r--drivers/acpi/resources/rscreate.c33
-rw-r--r--drivers/acpi/resources/rsdump.c42
-rw-r--r--drivers/acpi/resources/rsinfo.c1
-rw-r--r--drivers/acpi/resources/rslist.c102
-rw-r--r--drivers/acpi/resources/rsmisc.c12
-rw-r--r--drivers/acpi/resources/rsutils.c155
-rw-r--r--drivers/acpi/resources/rsxface.c395
-rw-r--r--drivers/acpi/system.c6
-rw-r--r--drivers/acpi/tables.c4
-rw-r--r--drivers/acpi/tables/tbconvrt.c46
-rw-r--r--drivers/acpi/tables/tbget.c65
-rw-r--r--drivers/acpi/tables/tbgetall.c11
-rw-r--r--drivers/acpi/tables/tbinstal.c50
-rw-r--r--drivers/acpi/tables/tbrsdt.c46
-rw-r--r--drivers/acpi/tables/tbutils.c149
-rw-r--r--drivers/acpi/tables/tbxface.c42
-rw-r--r--drivers/acpi/tables/tbxfroot.c82
-rw-r--r--drivers/acpi/thermal.c3
-rw-r--r--drivers/acpi/utilities/utalloc.c634
-rw-r--r--drivers/acpi/utilities/utcache.c18
-rw-r--r--drivers/acpi/utilities/utcopy.c41
-rw-r--r--drivers/acpi/utilities/utdebug.c65
-rw-r--r--drivers/acpi/utilities/utdelete.c62
-rw-r--r--drivers/acpi/utilities/uteval.c141
-rw-r--r--drivers/acpi/utilities/utglobal.c62
-rw-r--r--drivers/acpi/utilities/utinit.c26
-rw-r--r--drivers/acpi/utilities/utmath.c8
-rw-r--r--drivers/acpi/utilities/utmisc.c293
-rw-r--r--drivers/acpi/utilities/utmutex.c42
-rw-r--r--drivers/acpi/utilities/utobject.c23
-rw-r--r--drivers/acpi/utilities/utresrc.c256
-rw-r--r--drivers/acpi/utilities/utstate.c36
-rw-r--r--drivers/acpi/utilities/utxface.c44
-rw-r--r--drivers/char/agp/hp-agp.c2
113 files changed, 3568 insertions, 3482 deletions
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index f4c87750dbf2..216c072dee5e 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -970,7 +970,7 @@ static int __init asus_hotk_get_info(void)
970 * HID), this bit will be moved. A global variable asus_info contains 970 * HID), this bit will be moved. A global variable asus_info contains
971 * the DSDT header. 971 * the DSDT header.
972 */ 972 */
973 status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt); 973 status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
974 if (ACPI_FAILURE(status)) 974 if (ACPI_FAILURE(status))
975 printk(KERN_WARNING " Couldn't get the DSDT table header\n"); 975 printk(KERN_WARNING " Couldn't get the DSDT table header\n");
976 else 976 else
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 606f8733a776..b77f03d51f0b 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -43,7 +43,7 @@ ACPI_MODULE_NAME("acpi_bus")
43extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger); 43extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
44#endif 44#endif
45 45
46FADT_DESCRIPTOR acpi_fadt; 46struct fadt_descriptor acpi_fadt;
47EXPORT_SYMBOL(acpi_fadt); 47EXPORT_SYMBOL(acpi_fadt);
48 48
49struct acpi_device *acpi_root; 49struct acpi_device *acpi_root;
@@ -596,6 +596,8 @@ void __init acpi_early_init(void)
596 if (acpi_disabled) 596 if (acpi_disabled)
597 return_VOID; 597 return_VOID;
598 598
599 printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION);
600
599 /* enable workarounds, unless strict ACPI spec. compliance */ 601 /* enable workarounds, unless strict ACPI spec. compliance */
600 if (!acpi_strict) 602 if (!acpi_strict)
601 acpi_gbl_enable_interpreter_slack = TRUE; 603 acpi_gbl_enable_interpreter_slack = TRUE;
@@ -617,7 +619,7 @@ void __init acpi_early_init(void)
617 /* 619 /*
618 * Get a separate copy of the FADT for use by other drivers. 620 * Get a separate copy of the FADT for use by other drivers.
619 */ 621 */
620 status = acpi_get_table(ACPI_TABLE_FADT, 1, &buffer); 622 status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &buffer);
621 if (ACPI_FAILURE(status)) { 623 if (ACPI_FAILURE(status)) {
622 printk(KERN_ERR PREFIX "Unable to get the FADT\n"); 624 printk(KERN_ERR PREFIX "Unable to get the FADT\n");
623 goto error0; 625 goto error0;
@@ -743,8 +745,6 @@ static int __init acpi_init(void)
743 745
744 ACPI_FUNCTION_TRACE("acpi_init"); 746 ACPI_FUNCTION_TRACE("acpi_init");
745 747
746 printk(KERN_INFO PREFIX "Subsystem revision %08x\n", ACPI_CA_VERSION);
747
748 if (acpi_disabled) { 748 if (acpi_disabled) {
749 printk(KERN_INFO PREFIX "Interpreter disabled.\n"); 749 printk(KERN_INFO PREFIX "Interpreter disabled.\n");
750 return_VALUE(-ENODEV); 750 return_VALUE(-ENODEV);
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index 76bc0463f6de..a6d77efb41a0 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -87,7 +87,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
87 union acpi_operand_object *second_desc = NULL; 87 union acpi_operand_object *second_desc = NULL;
88 u32 flags; 88 u32 flags;
89 89
90 ACPI_FUNCTION_TRACE("ds_create_buffer_field"); 90 ACPI_FUNCTION_TRACE(ds_create_buffer_field);
91 91
92 /* Get the name_string argument */ 92 /* Get the name_string argument */
93 93
@@ -210,7 +210,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
210 acpi_status status; 210 acpi_status status;
211 acpi_integer position; 211 acpi_integer position;
212 212
213 ACPI_FUNCTION_TRACE_PTR("ds_get_field_names", info); 213 ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info);
214 214
215 /* First field starts at bit zero */ 215 /* First field starts at bit zero */
216 216
@@ -342,7 +342,7 @@ acpi_ds_create_field(union acpi_parse_object *op,
342 union acpi_parse_object *arg; 342 union acpi_parse_object *arg;
343 struct acpi_create_field_info info; 343 struct acpi_create_field_info info;
344 344
345 ACPI_FUNCTION_TRACE_PTR("ds_create_field", op); 345 ACPI_FUNCTION_TRACE_PTR(ds_create_field, op);
346 346
347 /* First arg is the name of the parent op_region (must already exist) */ 347 /* First arg is the name of the parent op_region (must already exist) */
348 348
@@ -399,7 +399,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
399 struct acpi_namespace_node *node; 399 struct acpi_namespace_node *node;
400 u8 type = 0; 400 u8 type = 0;
401 401
402 ACPI_FUNCTION_TRACE_PTR("ds_init_field_objects", op); 402 ACPI_FUNCTION_TRACE_PTR(ds_init_field_objects, op);
403 403
404 switch (walk_state->opcode) { 404 switch (walk_state->opcode) {
405 case AML_FIELD_OP: 405 case AML_FIELD_OP:
@@ -425,6 +425,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
425 * Walk the list of entries in the field_list 425 * Walk the list of entries in the field_list
426 */ 426 */
427 while (arg) { 427 while (arg) {
428
428 /* Ignore OFFSET and ACCESSAS terms here */ 429 /* Ignore OFFSET and ACCESSAS terms here */
429 430
430 if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) { 431 if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) {
@@ -481,7 +482,7 @@ acpi_ds_create_bank_field(union acpi_parse_object *op,
481 union acpi_parse_object *arg; 482 union acpi_parse_object *arg;
482 struct acpi_create_field_info info; 483 struct acpi_create_field_info info;
483 484
484 ACPI_FUNCTION_TRACE_PTR("ds_create_bank_field", op); 485 ACPI_FUNCTION_TRACE_PTR(ds_create_bank_field, op);
485 486
486 /* First arg is the name of the parent op_region (must already exist) */ 487 /* First arg is the name of the parent op_region (must already exist) */
487 488
@@ -554,7 +555,7 @@ acpi_ds_create_index_field(union acpi_parse_object *op,
554 union acpi_parse_object *arg; 555 union acpi_parse_object *arg;
555 struct acpi_create_field_info info; 556 struct acpi_create_field_info info;
556 557
557 ACPI_FUNCTION_TRACE_PTR("ds_create_index_field", op); 558 ACPI_FUNCTION_TRACE_PTR(ds_create_index_field, op);
558 559
559 /* First arg is the name of the Index register (must already exist) */ 560 /* First arg is the name of the Index register (must already exist) */
560 561
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index e65a07ad2422..bbdf990e9f65 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -184,7 +184,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
184 * 184 *
185 * RETURN: Status 185 * RETURN: Status
186 * 186 *
187 * DESCRIPTION: Walk the namespace starting at "start_node" and perform any 187 * DESCRIPTION: Walk the namespace starting at "StartNode" and perform any
188 * necessary initialization on the objects found therein 188 * necessary initialization on the objects found therein
189 * 189 *
190 ******************************************************************************/ 190 ******************************************************************************/
@@ -196,7 +196,7 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
196 acpi_status status; 196 acpi_status status;
197 struct acpi_init_walk_info info; 197 struct acpi_init_walk_info info;
198 198
199 ACPI_FUNCTION_TRACE("ds_initialize_objects"); 199 ACPI_FUNCTION_TRACE(ds_initialize_objects);
200 200
201 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 201 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
202 "**** Starting initialization of namespace objects ****\n")); 202 "**** Starting initialization of namespace objects ****\n"));
@@ -213,7 +213,7 @@ acpi_ds_initialize_objects(struct acpi_table_desc * table_desc,
213 status = acpi_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX, 213 status = acpi_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
214 acpi_ds_init_one_object, &info, NULL); 214 acpi_ds_init_one_object, &info, NULL);
215 if (ACPI_FAILURE(status)) { 215 if (ACPI_FAILURE(status)) {
216 ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace")); 216 ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
217 } 217 }
218 218
219 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, 219 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index c475546535b6..bc9aca4e7401 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -81,6 +81,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
81 /* Invoke the global exception handler */ 81 /* Invoke the global exception handler */
82 82
83 if (acpi_gbl_exception_handler) { 83 if (acpi_gbl_exception_handler) {
84
84 /* Exit the interpreter, allow handler to execute methods */ 85 /* Exit the interpreter, allow handler to execute methods */
85 86
86 acpi_ex_exit_interpreter(); 87 acpi_ex_exit_interpreter();
@@ -100,6 +101,7 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
100 } 101 }
101#ifdef ACPI_DISASSEMBLER 102#ifdef ACPI_DISASSEMBLER
102 if (ACPI_FAILURE(status)) { 103 if (ACPI_FAILURE(status)) {
104
103 /* Display method locals/args if disassembler is present */ 105 /* Display method locals/args if disassembler is present */
104 106
105 acpi_dm_dump_method_info(status, walk_state, walk_state->op); 107 acpi_dm_dump_method_info(status, walk_state, walk_state->op);
@@ -132,7 +134,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
132{ 134{
133 acpi_status status = AE_OK; 135 acpi_status status = AE_OK;
134 136
135 ACPI_FUNCTION_TRACE_PTR("ds_begin_method_execution", method_node); 137 ACPI_FUNCTION_TRACE_PTR(ds_begin_method_execution, method_node);
136 138
137 if (!method_node) { 139 if (!method_node) {
138 return_ACPI_STATUS(AE_NULL_ENTRY); 140 return_ACPI_STATUS(AE_NULL_ENTRY);
@@ -168,11 +170,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
168 170
169 /* 171 /*
170 * Get a unit from the method semaphore. This releases the 172 * Get a unit from the method semaphore. This releases the
171 * interpreter if we block 173 * interpreter if we block (then reacquires it)
172 */ 174 */
173 status = 175 status =
174 acpi_ex_system_wait_semaphore(obj_desc->method.semaphore, 176 acpi_ex_system_wait_semaphore(obj_desc->method.semaphore,
175 ACPI_WAIT_FOREVER); 177 ACPI_WAIT_FOREVER);
178 if (ACPI_FAILURE(status)) {
179 return_ACPI_STATUS(status);
180 }
176 } 181 }
177 182
178 /* 183 /*
@@ -183,7 +188,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
183 if (!obj_desc->method.owner_id) { 188 if (!obj_desc->method.owner_id) {
184 status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id); 189 status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id);
185 if (ACPI_FAILURE(status)) { 190 if (ACPI_FAILURE(status)) {
186 return_ACPI_STATUS(status); 191 goto cleanup;
187 } 192 }
188 } 193 }
189 194
@@ -193,6 +198,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node,
193 */ 198 */
194 obj_desc->method.thread_count++; 199 obj_desc->method.thread_count++;
195 return_ACPI_STATUS(status); 200 return_ACPI_STATUS(status);
201
202 cleanup:
203 /* On error, must signal the method semaphore if present */
204
205 if (obj_desc->method.semaphore) {
206 (void)acpi_os_signal_semaphore(obj_desc->method.semaphore, 1);
207 }
208 return_ACPI_STATUS(status);
196} 209}
197 210
198/******************************************************************************* 211/*******************************************************************************
@@ -218,10 +231,10 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
218 struct acpi_namespace_node *method_node; 231 struct acpi_namespace_node *method_node;
219 struct acpi_walk_state *next_walk_state = NULL; 232 struct acpi_walk_state *next_walk_state = NULL;
220 union acpi_operand_object *obj_desc; 233 union acpi_operand_object *obj_desc;
221 struct acpi_parameter_info info; 234 struct acpi_evaluate_info *info;
222 u32 i; 235 u32 i;
223 236
224 ACPI_FUNCTION_TRACE_PTR("ds_call_control_method", this_walk_state); 237 ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state);
225 238
226 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 239 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
227 "Execute method %p, currentstate=%p\n", 240 "Execute method %p, currentstate=%p\n",
@@ -240,25 +253,31 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
240 return_ACPI_STATUS(AE_NULL_OBJECT); 253 return_ACPI_STATUS(AE_NULL_OBJECT);
241 } 254 }
242 255
243 /* Init for new method, wait on concurrency semaphore */ 256 /* Init for new method, possibly wait on concurrency semaphore */
244 257
245 status = acpi_ds_begin_method_execution(method_node, obj_desc, 258 status = acpi_ds_begin_method_execution(method_node, obj_desc,
246 this_walk_state->method_node); 259 this_walk_state->method_node);
247 if (ACPI_FAILURE(status)) { 260 if (ACPI_FAILURE(status)) {
248 goto cleanup; 261 return_ACPI_STATUS(status);
249 } 262 }
250 263
264 /*
265 * 1) Parse the method. All "normal" methods are parsed for each execution.
266 * Internal methods (_OSI, etc.) do not require parsing.
267 */
251 if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) { 268 if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
252 /* 1) Parse: Create a new walk state for the preempting walk */ 269
270 /* Create a new walk state for the parse */
253 271
254 next_walk_state = 272 next_walk_state =
255 acpi_ds_create_walk_state(obj_desc->method.owner_id, op, 273 acpi_ds_create_walk_state(obj_desc->method.owner_id, op,
256 obj_desc, NULL); 274 obj_desc, NULL);
257 if (!next_walk_state) { 275 if (!next_walk_state) {
258 return_ACPI_STATUS(AE_NO_MEMORY); 276 status = AE_NO_MEMORY;
277 goto cleanup;
259 } 278 }
260 279
261 /* Create and init a Root Node */ 280 /* Create and init a parse tree root */
262 281
263 op = acpi_ps_create_scope_op(); 282 op = acpi_ps_create_scope_op();
264 if (!op) { 283 if (!op) {
@@ -271,17 +290,20 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
271 obj_desc->method.aml_length, 290 obj_desc->method.aml_length,
272 NULL, 1); 291 NULL, 1);
273 if (ACPI_FAILURE(status)) { 292 if (ACPI_FAILURE(status)) {
274 acpi_ds_delete_walk_state(next_walk_state); 293 acpi_ps_delete_parse_tree(op);
275 goto cleanup; 294 goto cleanup;
276 } 295 }
277 296
278 /* Begin AML parse */ 297 /* Begin AML parse (deletes next_walk_state) */
279 298
280 status = acpi_ps_parse_aml(next_walk_state); 299 status = acpi_ps_parse_aml(next_walk_state);
281 acpi_ps_delete_parse_tree(op); 300 acpi_ps_delete_parse_tree(op);
301 if (ACPI_FAILURE(status)) {
302 goto cleanup;
303 }
282 } 304 }
283 305
284 /* 2) Execute: Create a new state for the preempting walk */ 306 /* 2) Begin method execution. Create a new walk state */
285 307
286 next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id, 308 next_walk_state = acpi_ds_create_walk_state(obj_desc->method.owner_id,
287 NULL, obj_desc, thread); 309 NULL, obj_desc, thread);
@@ -289,6 +311,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
289 status = AE_NO_MEMORY; 311 status = AE_NO_MEMORY;
290 goto cleanup; 312 goto cleanup;
291 } 313 }
314
292 /* 315 /*
293 * The resolved arguments were put on the previous walk state's operand 316 * The resolved arguments were put on the previous walk state's operand
294 * stack. Operands on the previous walk state stack always 317 * stack. Operands on the previous walk state stack always
@@ -296,12 +319,24 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
296 */ 319 */
297 this_walk_state->operands[this_walk_state->num_operands] = NULL; 320 this_walk_state->operands[this_walk_state->num_operands] = NULL;
298 321
299 info.parameters = &this_walk_state->operands[0]; 322 /*
300 info.parameter_type = ACPI_PARAM_ARGS; 323 * Allocate and initialize the evaluation information block
324 * TBD: this is somewhat inefficient, should change interface to
325 * ds_init_aml_walk. For now, keeps this struct off the CPU stack
326 */
327 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
328 if (!info) {
329 return_ACPI_STATUS(AE_NO_MEMORY);
330 }
331
332 info->parameters = &this_walk_state->operands[0];
333 info->parameter_type = ACPI_PARAM_ARGS;
301 334
302 status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, 335 status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
303 obj_desc->method.aml_start, 336 obj_desc->method.aml_start,
304 obj_desc->method.aml_length, &info, 3); 337 obj_desc->method.aml_length, info, 3);
338
339 ACPI_FREE(info);
305 if (ACPI_FAILURE(status)) { 340 if (ACPI_FAILURE(status)) {
306 goto cleanup; 341 goto cleanup;
307 } 342 }
@@ -323,6 +358,8 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
323 "Starting nested execution, newstate=%p\n", 358 "Starting nested execution, newstate=%p\n",
324 next_walk_state)); 359 next_walk_state));
325 360
361 /* Invoke an internal method if necessary */
362
326 if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { 363 if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
327 status = obj_desc->method.implementation(next_walk_state); 364 status = obj_desc->method.implementation(next_walk_state);
328 } 365 }
@@ -330,16 +367,14 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
330 return_ACPI_STATUS(status); 367 return_ACPI_STATUS(status);
331 368
332 cleanup: 369 cleanup:
333 /* Decrement the thread count on the method parse tree */
334 370
335 if (next_walk_state && (next_walk_state->method_desc)) { 371 /* On error, we must terminate the method properly */
336 next_walk_state->method_desc->method.thread_count--;
337 }
338 372
339 /* On error, we must delete the new walk state */ 373 acpi_ds_terminate_control_method(obj_desc, next_walk_state);
374 if (next_walk_state) {
375 acpi_ds_delete_walk_state(next_walk_state);
376 }
340 377
341 acpi_ds_terminate_control_method(next_walk_state);
342 acpi_ds_delete_walk_state(next_walk_state);
343 return_ACPI_STATUS(status); 378 return_ACPI_STATUS(status);
344} 379}
345 380
@@ -362,25 +397,33 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
362 union acpi_operand_object *return_desc) 397 union acpi_operand_object *return_desc)
363{ 398{
364 acpi_status status; 399 acpi_status status;
400 int same_as_implicit_return;
365 401
366 ACPI_FUNCTION_TRACE_PTR("ds_restart_control_method", walk_state); 402 ACPI_FUNCTION_TRACE_PTR(ds_restart_control_method, walk_state);
367 403
368 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 404 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
369 "****Restart [%4.4s] Op %p return_value_from_callee %p\n", 405 "****Restart [%4.4s] Op %p ReturnValueFromCallee %p\n",
370 (char *)&walk_state->method_node->name, 406 (char *)&walk_state->method_node->name,
371 walk_state->method_call_op, return_desc)); 407 walk_state->method_call_op, return_desc));
372 408
373 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 409 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
374 " return_from_this_method_used?=%X res_stack %p Walk %p\n", 410 " ReturnFromThisMethodUsed?=%X ResStack %p Walk %p\n",
375 walk_state->return_used, 411 walk_state->return_used,
376 walk_state->results, walk_state)); 412 walk_state->results, walk_state));
377 413
378 /* Did the called method return a value? */ 414 /* Did the called method return a value? */
379 415
380 if (return_desc) { 416 if (return_desc) {
417
418 /* Is the implicit return object the same as the return desc? */
419
420 same_as_implicit_return =
421 (walk_state->implicit_return_obj == return_desc);
422
381 /* Are we actually going to use the return value? */ 423 /* Are we actually going to use the return value? */
382 424
383 if (walk_state->return_used) { 425 if (walk_state->return_used) {
426
384 /* Save the return value from the previous method */ 427 /* Save the return value from the previous method */
385 428
386 status = acpi_ds_result_push(return_desc, walk_state); 429 status = acpi_ds_result_push(return_desc, walk_state);
@@ -397,18 +440,23 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
397 } 440 }
398 441
399 /* 442 /*
400 * The following code is the 443 * The following code is the optional support for the so-called
401 * optional support for a so-called "implicit return". Some AML code 444 * "implicit return". Some AML code assumes that the last value of the
402 * assumes that the last value of the method is "implicitly" returned 445 * method is "implicitly" returned to the caller, in the absence of an
403 * to the caller. Just save the last result as the return value. 446 * explicit return value.
447 *
448 * Just save the last result of the method as the return value.
449 *
404 * NOTE: this is optional because the ASL language does not actually 450 * NOTE: this is optional because the ASL language does not actually
405 * support this behavior. 451 * support this behavior.
406 */ 452 */
407 else if (!acpi_ds_do_implicit_return 453 else if (!acpi_ds_do_implicit_return
408 (return_desc, walk_state, FALSE)) { 454 (return_desc, walk_state, FALSE)
455 || same_as_implicit_return) {
409 /* 456 /*
410 * Delete the return value if it will not be used by the 457 * Delete the return value if it will not be used by the
411 * calling method 458 * calling method or remove one reference if the explicit return
459 * is the same as the implicit return value.
412 */ 460 */
413 acpi_ut_remove_reference(return_desc); 461 acpi_ut_remove_reference(return_desc);
414 } 462 }
@@ -421,7 +469,8 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
421 * 469 *
422 * FUNCTION: acpi_ds_terminate_control_method 470 * FUNCTION: acpi_ds_terminate_control_method
423 * 471 *
424 * PARAMETERS: walk_state - State of the method 472 * PARAMETERS: method_desc - Method object
473 * walk_state - State associated with the method
425 * 474 *
426 * RETURN: None 475 * RETURN: None
427 * 476 *
@@ -431,95 +480,100 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state,
431 * 480 *
432 ******************************************************************************/ 481 ******************************************************************************/
433 482
434void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) 483void
484acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
485 struct acpi_walk_state *walk_state)
435{ 486{
436 union acpi_operand_object *obj_desc;
437 struct acpi_namespace_node *method_node; 487 struct acpi_namespace_node *method_node;
438 acpi_status status; 488 acpi_status status;
439 489
440 ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state); 490 ACPI_FUNCTION_TRACE_PTR(ds_terminate_control_method, walk_state);
441 491
442 if (!walk_state) { 492 /* method_desc is required, walk_state is optional */
443 return_VOID;
444 }
445 493
446 /* The current method object was saved in the walk state */ 494 if (!method_desc) {
447
448 obj_desc = walk_state->method_desc;
449 if (!obj_desc) {
450 return_VOID; 495 return_VOID;
451 } 496 }
452 497
453 /* Delete all arguments and locals */ 498 if (walk_state) {
454 499
455 acpi_ds_method_data_delete_all(walk_state); 500 /* Delete all arguments and locals */
501
502 acpi_ds_method_data_delete_all(walk_state);
503 }
456 504
457 /* 505 /*
458 * Lock the parser while we terminate this method. 506 * Lock the parser while we terminate this method.
459 * If this is the last thread executing the method, 507 * If this is the last thread executing the method,
460 * we have additional cleanup to perform 508 * we have additional cleanup to perform
461 */ 509 */
462 status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); 510 status = acpi_ut_acquire_mutex(ACPI_MTX_CONTROL_METHOD);
463 if (ACPI_FAILURE(status)) { 511 if (ACPI_FAILURE(status)) {
464 return_VOID; 512 return_VOID;
465 } 513 }
466 514
467 /* Signal completion of the execution of this method if necessary */ 515 /* Signal completion of the execution of this method if necessary */
468 516
469 if (walk_state->method_desc->method.semaphore) { 517 if (method_desc->method.semaphore) {
470 status = 518 status =
471 acpi_os_signal_semaphore(walk_state->method_desc->method. 519 acpi_os_signal_semaphore(method_desc->method.semaphore, 1);
472 semaphore, 1);
473 if (ACPI_FAILURE(status)) { 520 if (ACPI_FAILURE(status)) {
474 ACPI_ERROR((AE_INFO,
475 "Could not signal method semaphore"));
476 521
477 /* Ignore error and continue cleanup */ 522 /* Ignore error and continue */
523
524 ACPI_EXCEPTION((AE_INFO, status,
525 "Could not signal method semaphore"));
478 } 526 }
479 } 527 }
480 528
481 /* 529 if (walk_state) {
482 * There are no more threads executing this method. Perform 530 /*
483 * additional cleanup. 531 * Delete any objects created by this method during execution.
484 * 532 * The method Node is stored in the walk state
485 * The method Node is stored in the walk state 533 */
486 */ 534 method_node = walk_state->method_node;
487 method_node = walk_state->method_node;
488 535
489 /* Lock namespace for possible update */ 536 /* Lock namespace for possible update */
490 537
491 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 538 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
492 if (ACPI_FAILURE(status)) { 539 if (ACPI_FAILURE(status)) {
493 goto exit; 540 goto exit;
494 } 541 }
495 542
496 /* 543 /*
497 * Delete any namespace entries created immediately underneath 544 * Delete any namespace entries created immediately underneath
498 * the method 545 * the method
499 */ 546 */
500 if (method_node->child) { 547 if (method_node && method_node->child) {
501 acpi_ns_delete_namespace_subtree(method_node); 548 acpi_ns_delete_namespace_subtree(method_node);
549 }
550
551 /*
552 * Delete any namespace entries created anywhere else within
553 * the namespace by the execution of this method
554 */
555 acpi_ns_delete_namespace_by_owner(method_desc->method.owner_id);
556 status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
502 } 557 }
503 558
504 /* 559 /* Decrement the thread count on the method */
505 * Delete any namespace entries created anywhere else within 560
506 * the namespace by the execution of this method 561 if (method_desc->method.thread_count) {
507 */ 562 method_desc->method.thread_count--;
508 acpi_ns_delete_namespace_by_owner(walk_state->method_desc->method. 563 } else {
509 owner_id); 564 ACPI_ERROR((AE_INFO, "Invalid zero thread count in method"));
510 status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 565 }
511 566
512 /* Are there any other threads currently executing this method? */ 567 /* Are there any other threads currently executing this method? */
513 568
514 if (walk_state->method_desc->method.thread_count) { 569 if (method_desc->method.thread_count) {
515 /* 570 /*
516 * Additional threads. Do not release the owner_id in this case, 571 * Additional threads. Do not release the owner_id in this case,
517 * we immediately reuse it for the next thread executing this method 572 * we immediately reuse it for the next thread executing this method
518 */ 573 */
519 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 574 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
520 "*** Completed execution of one thread, %d threads remaining\n", 575 "*** Completed execution of one thread, %d threads remaining\n",
521 walk_state->method_desc->method. 576 method_desc->method.thread_count));
522 thread_count));
523 } else { 577 } else {
524 /* This is the only executing thread for this method */ 578 /* This is the only executing thread for this method */
525 579
@@ -533,22 +587,20 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
533 * This code is here because we must wait until the last thread exits 587 * This code is here because we must wait until the last thread exits
534 * before creating the synchronization semaphore. 588 * before creating the synchronization semaphore.
535 */ 589 */
536 if ((walk_state->method_desc->method.concurrency == 1) && 590 if ((method_desc->method.concurrency == 1) &&
537 (!walk_state->method_desc->method.semaphore)) { 591 (!method_desc->method.semaphore)) {
538 status = acpi_os_create_semaphore(1, 1, 592 status = acpi_os_create_semaphore(1, 1,
539 &walk_state-> 593 &method_desc->method.
540 method_desc->method.
541 semaphore); 594 semaphore);
542 } 595 }
543 596
544 /* No more threads, we can free the owner_id */ 597 /* No more threads, we can free the owner_id */
545 598
546 acpi_ut_release_owner_id(&walk_state->method_desc->method. 599 acpi_ut_release_owner_id(&method_desc->method.owner_id);
547 owner_id);
548 } 600 }
549 601
550 exit: 602 exit:
551 (void)acpi_ut_release_mutex(ACPI_MTX_PARSER); 603 (void)acpi_ut_release_mutex(ACPI_MTX_CONTROL_METHOD);
552 return_VOID; 604 return_VOID;
553} 605}
554 606
@@ -581,7 +633,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
581 union acpi_parse_object *op; 633 union acpi_parse_object *op;
582 struct acpi_walk_state *walk_state; 634 struct acpi_walk_state *walk_state;
583 635
584 ACPI_FUNCTION_TRACE_PTR("ds_parse_method", node); 636 ACPI_FUNCTION_TRACE_PTR(ds_parse_method, node);
585 637
586 /* Parameter Validation */ 638 /* Parameter Validation */
587 639
@@ -590,7 +642,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
590 } 642 }
591 643
592 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 644 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
593 "**** Parsing [%4.4s] **** named_obj=%p\n", 645 "**** Parsing [%4.4s] **** NamedObj=%p\n",
594 acpi_ut_get_node_name(node), node)); 646 acpi_ut_get_node_name(node), node));
595 647
596 /* Extract the method object from the method Node */ 648 /* Extract the method object from the method Node */
@@ -669,7 +721,7 @@ acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node)
669 } 721 }
670 722
671 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 723 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
672 "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n", 724 "**** [%4.4s] Parsed **** NamedObj=%p Op=%p\n",
673 acpi_ut_get_node_name(node), node, op)); 725 acpi_ut_get_node_name(node), node, op));
674 726
675 /* 727 /*
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index c025674f938b..459160ff9058 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -81,7 +81,7 @@ acpi_ds_method_data_get_type(u16 opcode,
81 * special data types. 81 * special data types.
82 * 82 *
83 * NOTES: walk_state fields are initialized to zero by the 83 * NOTES: walk_state fields are initialized to zero by the
84 * ACPI_MEM_CALLOCATE(). 84 * ACPI_ALLOCATE_ZEROED().
85 * 85 *
86 * A pseudo-Namespace Node is assigned to each argument and local 86 * A pseudo-Namespace Node is assigned to each argument and local
87 * so that ref_of() can return a pointer to the Node. 87 * so that ref_of() can return a pointer to the Node.
@@ -92,7 +92,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
92{ 92{
93 u32 i; 93 u32 i;
94 94
95 ACPI_FUNCTION_TRACE("ds_method_data_init"); 95 ACPI_FUNCTION_TRACE(ds_method_data_init);
96 96
97 /* Init the method arguments */ 97 /* Init the method arguments */
98 98
@@ -100,10 +100,10 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
100 ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name, 100 ACPI_MOVE_32_TO_32(&walk_state->arguments[i].name,
101 NAMEOF_ARG_NTE); 101 NAMEOF_ARG_NTE);
102 walk_state->arguments[i].name.integer |= (i << 24); 102 walk_state->arguments[i].name.integer |= (i << 24);
103 walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED; 103 walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
104 walk_state->arguments[i].type = ACPI_TYPE_ANY; 104 walk_state->arguments[i].type = ACPI_TYPE_ANY;
105 walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST | 105 walk_state->arguments[i].flags =
106 ANOBJ_METHOD_ARG; 106 ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
107 } 107 }
108 108
109 /* Init the method locals */ 109 /* Init the method locals */
@@ -113,11 +113,11 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
113 NAMEOF_LOCAL_NTE); 113 NAMEOF_LOCAL_NTE);
114 114
115 walk_state->local_variables[i].name.integer |= (i << 24); 115 walk_state->local_variables[i].name.integer |= (i << 24);
116 walk_state->local_variables[i].descriptor = 116 walk_state->local_variables[i].descriptor_type =
117 ACPI_DESC_TYPE_NAMED; 117 ACPI_DESC_TYPE_NAMED;
118 walk_state->local_variables[i].type = ACPI_TYPE_ANY; 118 walk_state->local_variables[i].type = ACPI_TYPE_ANY;
119 walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST | 119 walk_state->local_variables[i].flags =
120 ANOBJ_METHOD_LOCAL; 120 ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
121 } 121 }
122 122
123 return_VOID; 123 return_VOID;
@@ -140,7 +140,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
140{ 140{
141 u32 index; 141 u32 index;
142 142
143 ACPI_FUNCTION_TRACE("ds_method_data_delete_all"); 143 ACPI_FUNCTION_TRACE(ds_method_data_delete_all);
144 144
145 /* Detach the locals */ 145 /* Detach the locals */
146 146
@@ -199,7 +199,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
199 acpi_status status; 199 acpi_status status;
200 u32 index = 0; 200 u32 index = 0;
201 201
202 ACPI_FUNCTION_TRACE_PTR("ds_method_data_init_args", params); 202 ACPI_FUNCTION_TRACE_PTR(ds_method_data_init_args, params);
203 203
204 if (!params) { 204 if (!params) {
205 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 205 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -251,7 +251,7 @@ acpi_ds_method_data_get_node(u16 opcode,
251 struct acpi_walk_state *walk_state, 251 struct acpi_walk_state *walk_state,
252 struct acpi_namespace_node **node) 252 struct acpi_namespace_node **node)
253{ 253{
254 ACPI_FUNCTION_TRACE("ds_method_data_get_node"); 254 ACPI_FUNCTION_TRACE(ds_method_data_get_node);
255 255
256 /* 256 /*
257 * Method Locals and Arguments are supported 257 * Method Locals and Arguments are supported
@@ -318,10 +318,10 @@ acpi_ds_method_data_set_value(u16 opcode,
318 acpi_status status; 318 acpi_status status;
319 struct acpi_namespace_node *node; 319 struct acpi_namespace_node *node;
320 320
321 ACPI_FUNCTION_TRACE("ds_method_data_set_value"); 321 ACPI_FUNCTION_TRACE(ds_method_data_set_value);
322 322
323 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 323 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
324 "new_obj %p Opcode %X, Refs=%d [%s]\n", object, 324 "NewObj %p Opcode %X, Refs=%d [%s]\n", object,
325 opcode, object->common.reference_count, 325 opcode, object->common.reference_count,
326 acpi_ut_get_type_name(object->common.type))); 326 acpi_ut_get_type_name(object->common.type)));
327 327
@@ -336,7 +336,7 @@ acpi_ds_method_data_set_value(u16 opcode,
336 * Increment ref count so object can't be deleted while installed. 336 * Increment ref count so object can't be deleted while installed.
337 * NOTE: We do not copy the object in order to preserve the call by 337 * NOTE: We do not copy the object in order to preserve the call by
338 * reference semantics of ACPI Control Method invocation. 338 * reference semantics of ACPI Control Method invocation.
339 * (See ACPI specification 2.0_c) 339 * (See ACPI Specification 2.0_c)
340 */ 340 */
341 acpi_ut_add_reference(object); 341 acpi_ut_add_reference(object);
342 342
@@ -351,7 +351,7 @@ acpi_ds_method_data_set_value(u16 opcode,
351 * FUNCTION: acpi_ds_method_data_get_value 351 * FUNCTION: acpi_ds_method_data_get_value
352 * 352 *
353 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP 353 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
354 * Index - which local_var or argument to get 354 * Index - Which local_var or argument to get
355 * walk_state - Current walk state object 355 * walk_state - Current walk state object
356 * dest_desc - Where Arg or Local value is returned 356 * dest_desc - Where Arg or Local value is returned
357 * 357 *
@@ -372,7 +372,7 @@ acpi_ds_method_data_get_value(u16 opcode,
372 struct acpi_namespace_node *node; 372 struct acpi_namespace_node *node;
373 union acpi_operand_object *object; 373 union acpi_operand_object *object;
374 374
375 ACPI_FUNCTION_TRACE("ds_method_data_get_value"); 375 ACPI_FUNCTION_TRACE(ds_method_data_get_value);
376 376
377 /* Validate the object descriptor */ 377 /* Validate the object descriptor */
378 378
@@ -459,7 +459,7 @@ acpi_ds_method_data_get_value(u16 opcode,
459 * FUNCTION: acpi_ds_method_data_delete_value 459 * FUNCTION: acpi_ds_method_data_delete_value
460 * 460 *
461 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP 461 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
462 * Index - which local_var or argument to delete 462 * Index - Which local_var or argument to delete
463 * walk_state - Current walk state object 463 * walk_state - Current walk state object
464 * 464 *
465 * RETURN: None 465 * RETURN: None
@@ -477,7 +477,7 @@ acpi_ds_method_data_delete_value(u16 opcode,
477 struct acpi_namespace_node *node; 477 struct acpi_namespace_node *node;
478 union acpi_operand_object *object; 478 union acpi_operand_object *object;
479 479
480 ACPI_FUNCTION_TRACE("ds_method_data_delete_value"); 480 ACPI_FUNCTION_TRACE(ds_method_data_delete_value);
481 481
482 /* Get the namespace node for the arg/local */ 482 /* Get the namespace node for the arg/local */
483 483
@@ -538,7 +538,7 @@ acpi_ds_store_object_to_local(u16 opcode,
538 union acpi_operand_object *current_obj_desc; 538 union acpi_operand_object *current_obj_desc;
539 union acpi_operand_object *new_obj_desc; 539 union acpi_operand_object *new_obj_desc;
540 540
541 ACPI_FUNCTION_TRACE("ds_store_object_to_local"); 541 ACPI_FUNCTION_TRACE(ds_store_object_to_local);
542 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Opcode=%X Index=%d Obj=%p\n", 542 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Opcode=%X Index=%d Obj=%p\n",
543 opcode, index, obj_desc)); 543 opcode, index, obj_desc));
544 544
@@ -614,7 +614,7 @@ acpi_ds_store_object_to_local(u16 opcode,
614 && (current_obj_desc->reference.opcode == 614 && (current_obj_desc->reference.opcode ==
615 AML_REF_OF_OP)) { 615 AML_REF_OF_OP)) {
616 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 616 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
617 "Arg (%p) is an obj_ref(Node), storing in node %p\n", 617 "Arg (%p) is an ObjRef(Node), storing in node %p\n",
618 new_obj_desc, 618 new_obj_desc,
619 current_obj_desc)); 619 current_obj_desc));
620 620
@@ -688,7 +688,7 @@ acpi_ds_method_data_get_type(u16 opcode,
688 struct acpi_namespace_node *node; 688 struct acpi_namespace_node *node;
689 union acpi_operand_object *object; 689 union acpi_operand_object *object;
690 690
691 ACPI_FUNCTION_TRACE("ds_method_data_get_type"); 691 ACPI_FUNCTION_TRACE(ds_method_data_get_type);
692 692
693 /* Get the namespace node for the arg/local */ 693 /* Get the namespace node for the arg/local */
694 694
@@ -701,6 +701,7 @@ acpi_ds_method_data_get_type(u16 opcode,
701 701
702 object = acpi_ns_get_attached_object(node); 702 object = acpi_ns_get_attached_object(node);
703 if (!object) { 703 if (!object) {
704
704 /* Uninitialized local/arg, return TYPE_ANY */ 705 /* Uninitialized local/arg, return TYPE_ANY */
705 706
706 return_VALUE(ACPI_TYPE_ANY); 707 return_VALUE(ACPI_TYPE_ANY);
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index 8b21f0f9e517..72190abb1d59 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -81,7 +81,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
81 union acpi_operand_object *obj_desc; 81 union acpi_operand_object *obj_desc;
82 acpi_status status; 82 acpi_status status;
83 83
84 ACPI_FUNCTION_TRACE("ds_build_internal_object"); 84 ACPI_FUNCTION_TRACE(ds_build_internal_object);
85 85
86 *obj_desc_ptr = NULL; 86 *obj_desc_ptr = NULL;
87 if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { 87 if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
@@ -103,6 +103,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
103 common. 103 common.
104 node))); 104 node)));
105 if (ACPI_FAILURE(status)) { 105 if (ACPI_FAILURE(status)) {
106
106 /* Check if we are resolving a named reference within a package */ 107 /* Check if we are resolving a named reference within a package */
107 108
108 if ((status == AE_NOT_FOUND) 109 if ((status == AE_NOT_FOUND)
@@ -186,7 +187,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
186 union acpi_parse_object *byte_list; 187 union acpi_parse_object *byte_list;
187 u32 byte_list_length = 0; 188 u32 byte_list_length = 0;
188 189
189 ACPI_FUNCTION_TRACE("ds_build_internal_buffer_obj"); 190 ACPI_FUNCTION_TRACE(ds_build_internal_buffer_obj);
190 191
191 /* 192 /*
192 * If we are evaluating a Named buffer object "Name (xxxx, Buffer)". 193 * If we are evaluating a Named buffer object "Name (xxxx, Buffer)".
@@ -195,6 +196,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
195 */ 196 */
196 obj_desc = *obj_desc_ptr; 197 obj_desc = *obj_desc_ptr;
197 if (!obj_desc) { 198 if (!obj_desc) {
199
198 /* Create a new buffer object */ 200 /* Create a new buffer object */
199 201
200 obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); 202 obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
@@ -243,7 +245,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
243 "Buffer defined with zero length in AML, creating\n")); 245 "Buffer defined with zero length in AML, creating\n"));
244 } else { 246 } else {
245 obj_desc->buffer.pointer = 247 obj_desc->buffer.pointer =
246 ACPI_MEM_CALLOCATE(obj_desc->buffer.length); 248 ACPI_ALLOCATE_ZEROED(obj_desc->buffer.length);
247 if (!obj_desc->buffer.pointer) { 249 if (!obj_desc->buffer.pointer) {
248 acpi_ut_delete_object_desc(obj_desc); 250 acpi_ut_delete_object_desc(obj_desc);
249 return_ACPI_STATUS(AE_NO_MEMORY); 251 return_ACPI_STATUS(AE_NO_MEMORY);
@@ -291,7 +293,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
291 acpi_status status = AE_OK; 293 acpi_status status = AE_OK;
292 acpi_native_uint i; 294 acpi_native_uint i;
293 295
294 ACPI_FUNCTION_TRACE("ds_build_internal_package_obj"); 296 ACPI_FUNCTION_TRACE(ds_build_internal_package_obj);
295 297
296 /* Find the parent of a possibly nested package */ 298 /* Find the parent of a possibly nested package */
297 299
@@ -339,9 +341,10 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
339 * individual objects). Add an extra pointer slot so 341 * individual objects). Add an extra pointer slot so
340 * that the list is always null terminated. 342 * that the list is always null terminated.
341 */ 343 */
342 obj_desc->package.elements = ACPI_MEM_CALLOCATE(((acpi_size) obj_desc-> 344 obj_desc->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
343 package.count + 345 obj_desc->package.
344 1) * sizeof(void *)); 346 count +
347 1) * sizeof(void *));
345 348
346 if (!obj_desc->package.elements) { 349 if (!obj_desc->package.elements) {
347 acpi_ut_delete_object_desc(obj_desc); 350 acpi_ut_delete_object_desc(obj_desc);
@@ -355,6 +358,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
355 arg = arg->common.next; 358 arg = arg->common.next;
356 for (i = 0; arg; i++) { 359 for (i = 0; arg; i++) {
357 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { 360 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
361
358 /* Object (package or buffer) is already built */ 362 /* Object (package or buffer) is already built */
359 363
360 obj_desc->package.elements[i] = 364 obj_desc->package.elements[i] =
@@ -396,7 +400,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state,
396 acpi_status status; 400 acpi_status status;
397 union acpi_operand_object *obj_desc; 401 union acpi_operand_object *obj_desc;
398 402
399 ACPI_FUNCTION_TRACE_PTR("ds_create_node", op); 403 ACPI_FUNCTION_TRACE_PTR(ds_create_node, op);
400 404
401 /* 405 /*
402 * Because of the execution pass through the non-control-method 406 * Because of the execution pass through the non-control-method
@@ -408,6 +412,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state,
408 } 412 }
409 413
410 if (!op->common.value.arg) { 414 if (!op->common.value.arg) {
415
411 /* No arguments, there is nothing to do */ 416 /* No arguments, there is nothing to do */
412 417
413 return_ACPI_STATUS(AE_OK); 418 return_ACPI_STATUS(AE_OK);
@@ -464,11 +469,12 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
464 union acpi_operand_object *obj_desc; 469 union acpi_operand_object *obj_desc;
465 acpi_status status = AE_OK; 470 acpi_status status = AE_OK;
466 471
467 ACPI_FUNCTION_TRACE("ds_init_object_from_op"); 472 ACPI_FUNCTION_TRACE(ds_init_object_from_op);
468 473
469 obj_desc = *ret_obj_desc; 474 obj_desc = *ret_obj_desc;
470 op_info = acpi_ps_get_opcode_info(opcode); 475 op_info = acpi_ps_get_opcode_info(opcode);
471 if (op_info->class == AML_CLASS_UNKNOWN) { 476 if (op_info->class == AML_CLASS_UNKNOWN) {
477
472 /* Unknown opcode */ 478 /* Unknown opcode */
473 479
474 return_ACPI_STATUS(AE_TYPE); 480 return_ACPI_STATUS(AE_TYPE);
@@ -626,6 +632,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
626 default: /* Other literals, etc.. */ 632 default: /* Other literals, etc.. */
627 633
628 if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) { 634 if (op->common.aml_opcode == AML_INT_NAMEPATH_OP) {
635
629 /* Node was saved in Op */ 636 /* Node was saved in Op */
630 637
631 obj_desc->reference.node = op->common.node; 638 obj_desc->reference.node = op->common.node;
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index 6229c10674e1..5b974a8fe614 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -91,7 +91,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node,
91 union acpi_parse_object *op; 91 union acpi_parse_object *op;
92 struct acpi_walk_state *walk_state; 92 struct acpi_walk_state *walk_state;
93 93
94 ACPI_FUNCTION_TRACE("ds_execute_arguments"); 94 ACPI_FUNCTION_TRACE(ds_execute_arguments);
95 95
96 /* 96 /*
97 * Allocate a new parser op to be the root of the parsed tree 97 * Allocate a new parser op to be the root of the parsed tree
@@ -193,7 +193,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
193 struct acpi_namespace_node *node; 193 struct acpi_namespace_node *node;
194 acpi_status status; 194 acpi_status status;
195 195
196 ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_field_arguments", obj_desc); 196 ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc);
197 197
198 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 198 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
199 return_ACPI_STATUS(AE_OK); 199 return_ACPI_STATUS(AE_OK);
@@ -206,7 +206,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
206 206
207 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname 207 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
208 (ACPI_TYPE_BUFFER_FIELD, node, NULL)); 208 (ACPI_TYPE_BUFFER_FIELD, node, NULL));
209 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] buffer_field Arg Init\n", 209 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n",
210 acpi_ut_get_node_name(node))); 210 acpi_ut_get_node_name(node)));
211 211
212 /* Execute the AML code for the term_arg arguments */ 212 /* Execute the AML code for the term_arg arguments */
@@ -235,7 +235,7 @@ acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
235 struct acpi_namespace_node *node; 235 struct acpi_namespace_node *node;
236 acpi_status status; 236 acpi_status status;
237 237
238 ACPI_FUNCTION_TRACE_PTR("ds_get_buffer_arguments", obj_desc); 238 ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc);
239 239
240 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 240 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
241 return_ACPI_STATUS(AE_OK); 241 return_ACPI_STATUS(AE_OK);
@@ -279,7 +279,7 @@ acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
279 struct acpi_namespace_node *node; 279 struct acpi_namespace_node *node;
280 acpi_status status; 280 acpi_status status;
281 281
282 ACPI_FUNCTION_TRACE_PTR("ds_get_package_arguments", obj_desc); 282 ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc);
283 283
284 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { 284 if (obj_desc->common.flags & AOPOBJ_DATA_VALID) {
285 return_ACPI_STATUS(AE_OK); 285 return_ACPI_STATUS(AE_OK);
@@ -324,7 +324,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
324 acpi_status status; 324 acpi_status status;
325 union acpi_operand_object *extra_desc; 325 union acpi_operand_object *extra_desc;
326 326
327 ACPI_FUNCTION_TRACE_PTR("ds_get_region_arguments", obj_desc); 327 ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc);
328 328
329 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { 329 if (obj_desc->region.flags & AOPOBJ_DATA_VALID) {
330 return_ACPI_STATUS(AE_OK); 330 return_ACPI_STATUS(AE_OK);
@@ -342,8 +342,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
342 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname 342 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
343 (ACPI_TYPE_REGION, node, NULL)); 343 (ACPI_TYPE_REGION, node, NULL));
344 344
345 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 345 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n",
346 "[%4.4s] op_region Arg Init at AML %p\n",
347 acpi_ut_get_node_name(node), 346 acpi_ut_get_node_name(node),
348 extra_desc->extra.aml_start)); 347 extra_desc->extra.aml_start));
349 348
@@ -352,6 +351,28 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
352 status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node), 351 status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
353 extra_desc->extra.aml_length, 352 extra_desc->extra.aml_length,
354 extra_desc->extra.aml_start); 353 extra_desc->extra.aml_start);
354 if (ACPI_FAILURE(status)) {
355 return_ACPI_STATUS(status);
356 }
357
358 /* Validate the region address/length via the host OS */
359
360 status = acpi_os_validate_address(obj_desc->region.space_id,
361 obj_desc->region.address,
362 (acpi_size) obj_desc->region.length);
363 if (ACPI_FAILURE(status)) {
364 /*
365 * Invalid address/length. We will emit an error message and mark
366 * the region as invalid, so that it will cause an additional error if
367 * it is ever used. Then return AE_OK.
368 */
369 ACPI_EXCEPTION((AE_INFO, status,
370 "During address validation of OpRegion [%4.4s]",
371 node->name.ascii));
372 obj_desc->common.flags |= AOPOBJ_INVALID;
373 status = AE_OK;
374 }
375
355 return_ACPI_STATUS(status); 376 return_ACPI_STATUS(status);
356} 377}
357 378
@@ -411,7 +432,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
411 u8 field_flags; 432 u8 field_flags;
412 acpi_status status; 433 acpi_status status;
413 434
414 ACPI_FUNCTION_TRACE_PTR("ds_init_buffer_field", obj_desc); 435 ACPI_FUNCTION_TRACE_PTR(ds_init_buffer_field, obj_desc);
415 436
416 /* Host object must be a Buffer */ 437 /* Host object must be a Buffer */
417 438
@@ -457,7 +478,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
457 478
458 if (bit_count == 0) { 479 if (bit_count == 0) {
459 ACPI_ERROR((AE_INFO, 480 ACPI_ERROR((AE_INFO,
460 "Attempt to create_field of length zero")); 481 "Attempt to CreateField of length zero"));
461 status = AE_AML_OPERAND_VALUE; 482 status = AE_AML_OPERAND_VALUE;
462 goto cleanup; 483 goto cleanup;
463 } 484 }
@@ -595,7 +616,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
595 struct acpi_namespace_node *node; 616 struct acpi_namespace_node *node;
596 union acpi_parse_object *next_op; 617 union acpi_parse_object *next_op;
597 618
598 ACPI_FUNCTION_TRACE_PTR("ds_eval_buffer_field_operands", op); 619 ACPI_FUNCTION_TRACE_PTR(ds_eval_buffer_field_operands, op);
599 620
600 /* 621 /*
601 * This is where we evaluate the address and length fields of the 622 * This is where we evaluate the address and length fields of the
@@ -627,7 +648,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
627 ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, 648 ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
628 acpi_ps_get_opcode_name(op->common.aml_opcode), 649 acpi_ps_get_opcode_name(op->common.aml_opcode),
629 walk_state->num_operands, 650 walk_state->num_operands,
630 "after acpi_ex_resolve_operands"); 651 "after AcpiExResolveOperands");
631 652
632 if (ACPI_FAILURE(status)) { 653 if (ACPI_FAILURE(status)) {
633 ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)", 654 ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
@@ -640,6 +661,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
640 /* Initialize the Buffer Field */ 661 /* Initialize the Buffer Field */
641 662
642 if (op->common.aml_opcode == AML_CREATE_FIELD_OP) { 663 if (op->common.aml_opcode == AML_CREATE_FIELD_OP) {
664
643 /* NOTE: Slightly different operands for this opcode */ 665 /* NOTE: Slightly different operands for this opcode */
644 666
645 status = 667 status =
@@ -685,7 +707,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
685 struct acpi_namespace_node *node; 707 struct acpi_namespace_node *node;
686 union acpi_parse_object *next_op; 708 union acpi_parse_object *next_op;
687 709
688 ACPI_FUNCTION_TRACE_PTR("ds_eval_region_operands", op); 710 ACPI_FUNCTION_TRACE_PTR(ds_eval_region_operands, op);
689 711
690 /* 712 /*
691 * This is where we evaluate the address and length fields of the 713 * This is where we evaluate the address and length fields of the
@@ -718,7 +740,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
718 740
719 ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, 741 ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
720 acpi_ps_get_opcode_name(op->common.aml_opcode), 742 acpi_ps_get_opcode_name(op->common.aml_opcode),
721 1, "after acpi_ex_resolve_operands"); 743 1, "after AcpiExResolveOperands");
722 744
723 obj_desc = acpi_ns_get_attached_object(node); 745 obj_desc = acpi_ns_get_attached_object(node);
724 if (!obj_desc) { 746 if (!obj_desc) {
@@ -744,7 +766,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
744 operand_desc->integer.value; 766 operand_desc->integer.value;
745 acpi_ut_remove_reference(operand_desc); 767 acpi_ut_remove_reference(operand_desc);
746 768
747 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n", 769 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
748 obj_desc, 770 obj_desc,
749 ACPI_FORMAT_UINT64(obj_desc->region.address), 771 ACPI_FORMAT_UINT64(obj_desc->region.address),
750 obj_desc->region.length)); 772 obj_desc->region.length));
@@ -780,7 +802,7 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state,
780 union acpi_operand_object *arg_desc; 802 union acpi_operand_object *arg_desc;
781 u32 length; 803 u32 length;
782 804
783 ACPI_FUNCTION_TRACE("ds_eval_data_object_operands"); 805 ACPI_FUNCTION_TRACE(ds_eval_data_object_operands);
784 806
785 /* The first operand (for all of these data objects) is the length */ 807 /* The first operand (for all of these data objects) is the length */
786 808
@@ -874,7 +896,7 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state,
874 acpi_status status = AE_OK; 896 acpi_status status = AE_OK;
875 union acpi_generic_state *control_state; 897 union acpi_generic_state *control_state;
876 898
877 ACPI_FUNCTION_NAME("ds_exec_begin_control_op"); 899 ACPI_FUNCTION_NAME(ds_exec_begin_control_op);
878 900
879 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op, 901 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p Opcode=%2.2X State=%p\n", op,
880 op->common.aml_opcode, walk_state)); 902 op->common.aml_opcode, walk_state));
@@ -952,7 +974,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
952 acpi_status status = AE_OK; 974 acpi_status status = AE_OK;
953 union acpi_generic_state *control_state; 975 union acpi_generic_state *control_state;
954 976
955 ACPI_FUNCTION_NAME("ds_exec_end_control_op"); 977 ACPI_FUNCTION_NAME(ds_exec_end_control_op);
956 978
957 switch (op->common.aml_opcode) { 979 switch (op->common.aml_opcode) {
958 case AML_IF_OP: 980 case AML_IF_OP:
@@ -984,6 +1006,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
984 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op)); 1006 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "[WHILE_OP] Op=%p\n", op));
985 1007
986 if (walk_state->control_state->common.value) { 1008 if (walk_state->control_state->common.value) {
1009
987 /* Predicate was true, go back and evaluate it again! */ 1010 /* Predicate was true, go back and evaluate it again! */
988 1011
989 status = AE_CTRL_PENDING; 1012 status = AE_CTRL_PENDING;
@@ -1014,6 +1037,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
1014 * has been bubbled up the tree 1037 * has been bubbled up the tree
1015 */ 1038 */
1016 if (op->common.value.arg) { 1039 if (op->common.value.arg) {
1040
1017 /* Since we have a real Return(), delete any implicit return */ 1041 /* Since we have a real Return(), delete any implicit return */
1018 1042
1019 acpi_ds_clear_implicit_return(walk_state); 1043 acpi_ds_clear_implicit_return(walk_state);
@@ -1047,6 +1071,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
1047 walk_state->return_desc = walk_state->operands[0]; 1071 walk_state->return_desc = walk_state->operands[0];
1048 } else if ((walk_state->results) && 1072 } else if ((walk_state->results) &&
1049 (walk_state->results->results.num_results > 0)) { 1073 (walk_state->results->results.num_results > 0)) {
1074
1050 /* Since we have a real Return(), delete any implicit return */ 1075 /* Since we have a real Return(), delete any implicit return */
1051 1076
1052 acpi_ds_clear_implicit_return(walk_state); 1077 acpi_ds_clear_implicit_return(walk_state);
@@ -1095,7 +1120,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
1095 } 1120 }
1096 1121
1097 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 1122 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
1098 "Completed RETURN_OP State=%p, ret_val=%p\n", 1123 "Completed RETURN_OP State=%p, RetVal=%p\n",
1099 walk_state, walk_state->return_desc)); 1124 walk_state, walk_state->return_desc));
1100 1125
1101 /* End the control method execution right now */ 1126 /* End the control method execution right now */
diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c
index 53356a591ac1..05230baf5de8 100644
--- a/drivers/acpi/dispatcher/dsutils.c
+++ b/drivers/acpi/dispatcher/dsutils.c
@@ -68,7 +68,7 @@ ACPI_MODULE_NAME("dsutils")
68 ******************************************************************************/ 68 ******************************************************************************/
69void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state) 69void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state)
70{ 70{
71 ACPI_FUNCTION_NAME("ds_clear_implicit_return"); 71 ACPI_FUNCTION_NAME(ds_clear_implicit_return);
72 72
73 /* 73 /*
74 * Slack must be enabled for this feature 74 * Slack must be enabled for this feature
@@ -115,7 +115,7 @@ u8
115acpi_ds_do_implicit_return(union acpi_operand_object *return_desc, 115acpi_ds_do_implicit_return(union acpi_operand_object *return_desc,
116 struct acpi_walk_state *walk_state, u8 add_reference) 116 struct acpi_walk_state *walk_state, u8 add_reference)
117{ 117{
118 ACPI_FUNCTION_NAME("ds_do_implicit_return"); 118 ACPI_FUNCTION_NAME(ds_do_implicit_return);
119 119
120 /* 120 /*
121 * Slack must be enabled for this feature, and we must 121 * Slack must be enabled for this feature, and we must
@@ -171,7 +171,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
171{ 171{
172 const struct acpi_opcode_info *parent_info; 172 const struct acpi_opcode_info *parent_info;
173 173
174 ACPI_FUNCTION_TRACE_PTR("ds_is_result_used", op); 174 ACPI_FUNCTION_TRACE_PTR(ds_is_result_used, op);
175 175
176 /* Must have both an Op and a Result Object */ 176 /* Must have both an Op and a Result Object */
177 177
@@ -202,6 +202,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op,
202 */ 202 */
203 if ((!op->common.parent) || 203 if ((!op->common.parent) ||
204 (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) { 204 (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
205
205 /* No parent, the return value cannot possibly be used */ 206 /* No parent, the return value cannot possibly be used */
206 207
207 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 208 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
@@ -340,7 +341,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
340 union acpi_operand_object *obj_desc; 341 union acpi_operand_object *obj_desc;
341 acpi_status status; 342 acpi_status status;
342 343
343 ACPI_FUNCTION_TRACE_PTR("ds_delete_result_if_not_used", result_obj); 344 ACPI_FUNCTION_TRACE_PTR(ds_delete_result_if_not_used, result_obj);
344 345
345 if (!op) { 346 if (!op) {
346 ACPI_ERROR((AE_INFO, "Null Op")); 347 ACPI_ERROR((AE_INFO, "Null Op"));
@@ -352,6 +353,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op,
352 } 353 }
353 354
354 if (!acpi_ds_is_result_used(op, walk_state)) { 355 if (!acpi_ds_is_result_used(op, walk_state)) {
356
355 /* Must pop the result stack (obj_desc should be equal to result_obj) */ 357 /* Must pop the result stack (obj_desc should be equal to result_obj) */
356 358
357 status = acpi_ds_result_pop(&obj_desc, walk_state); 359 status = acpi_ds_result_pop(&obj_desc, walk_state);
@@ -382,7 +384,7 @@ acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state)
382 u32 i; 384 u32 i;
383 acpi_status status = AE_OK; 385 acpi_status status = AE_OK;
384 386
385 ACPI_FUNCTION_TRACE_PTR("ds_resolve_operands", walk_state); 387 ACPI_FUNCTION_TRACE_PTR(ds_resolve_operands, walk_state);
386 388
387 /* 389 /*
388 * Attempt to resolve each of the valid operands 390 * Attempt to resolve each of the valid operands
@@ -417,7 +419,7 @@ void acpi_ds_clear_operands(struct acpi_walk_state *walk_state)
417{ 419{
418 u32 i; 420 u32 i;
419 421
420 ACPI_FUNCTION_TRACE_PTR("ds_clear_operands", walk_state); 422 ACPI_FUNCTION_TRACE_PTR(ds_clear_operands, walk_state);
421 423
422 /* Remove a reference on each operand on the stack */ 424 /* Remove a reference on each operand on the stack */
423 425
@@ -465,7 +467,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
465 acpi_interpreter_mode interpreter_mode; 467 acpi_interpreter_mode interpreter_mode;
466 const struct acpi_opcode_info *op_info; 468 const struct acpi_opcode_info *op_info;
467 469
468 ACPI_FUNCTION_TRACE_PTR("ds_create_operand", arg); 470 ACPI_FUNCTION_TRACE_PTR(ds_create_operand, arg);
469 471
470 /* A valid name must be looked up in the namespace */ 472 /* A valid name must be looked up in the namespace */
471 473
@@ -498,7 +500,9 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
498 */ 500 */
499 if ((walk_state->deferred_node) && 501 if ((walk_state->deferred_node) &&
500 (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) 502 (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD)
501 && (arg_index != 0)) { 503 && (arg_index ==
504 (u32) ((walk_state->opcode ==
505 AML_CREATE_FIELD_OP) ? 3 : 2))) {
502 obj_desc = 506 obj_desc =
503 ACPI_CAST_PTR(union acpi_operand_object, 507 ACPI_CAST_PTR(union acpi_operand_object,
504 walk_state->deferred_node); 508 walk_state->deferred_node);
@@ -521,6 +525,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
521 && (parent_op->common.aml_opcode != AML_REGION_OP) 525 && (parent_op->common.aml_opcode != AML_REGION_OP)
522 && (parent_op->common.aml_opcode != 526 && (parent_op->common.aml_opcode !=
523 AML_INT_NAMEPATH_OP)) { 527 AML_INT_NAMEPATH_OP)) {
528
524 /* Enter name into namespace if not found */ 529 /* Enter name into namespace if not found */
525 530
526 interpreter_mode = ACPI_IMODE_LOAD_PASS2; 531 interpreter_mode = ACPI_IMODE_LOAD_PASS2;
@@ -572,7 +577,7 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state,
572 577
573 /* Free the namestring created above */ 578 /* Free the namestring created above */
574 579
575 ACPI_MEM_FREE(name_string); 580 ACPI_FREE(name_string);
576 581
577 /* Check status from the lookup */ 582 /* Check status from the lookup */
578 583
@@ -696,7 +701,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
696 union acpi_parse_object *arg; 701 union acpi_parse_object *arg;
697 u32 arg_count = 0; 702 u32 arg_count = 0;
698 703
699 ACPI_FUNCTION_TRACE_PTR("ds_create_operands", first_arg); 704 ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
700 705
701 /* For all arguments in the list... */ 706 /* For all arguments in the list... */
702 707
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index f1af655ff113..3acbd9145d72 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -49,7 +49,6 @@
49#include <acpi/acinterp.h> 49#include <acpi/acinterp.h>
50#include <acpi/acnamesp.h> 50#include <acpi/acnamesp.h>
51#include <acpi/acdebug.h> 51#include <acpi/acdebug.h>
52#include <acpi/acdisasm.h>
53 52
54#define _COMPONENT ACPI_DISPATCHER 53#define _COMPONENT ACPI_DISPATCHER
55ACPI_MODULE_NAME("dswexec") 54ACPI_MODULE_NAME("dswexec")
@@ -93,7 +92,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
93 union acpi_operand_object *obj_desc; 92 union acpi_operand_object *obj_desc;
94 union acpi_operand_object *local_obj_desc = NULL; 93 union acpi_operand_object *local_obj_desc = NULL;
95 94
96 ACPI_FUNCTION_TRACE_PTR("ds_get_predicate_value", walk_state); 95 ACPI_FUNCTION_TRACE_PTR(ds_get_predicate_value, walk_state);
97 96
98 walk_state->control_state->common.state = 0; 97 walk_state->control_state->common.state = 0;
99 98
@@ -123,7 +122,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
123 122
124 if (!obj_desc) { 123 if (!obj_desc) {
125 ACPI_ERROR((AE_INFO, 124 ACPI_ERROR((AE_INFO,
126 "No predicate obj_desc=%p State=%p", 125 "No predicate ObjDesc=%p State=%p",
127 obj_desc, walk_state)); 126 obj_desc, walk_state));
128 127
129 return_ACPI_STATUS(AE_AML_NO_OPERAND); 128 return_ACPI_STATUS(AE_AML_NO_OPERAND);
@@ -140,7 +139,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
140 139
141 if (ACPI_GET_OBJECT_TYPE(local_obj_desc) != ACPI_TYPE_INTEGER) { 140 if (ACPI_GET_OBJECT_TYPE(local_obj_desc) != ACPI_TYPE_INTEGER) {
142 ACPI_ERROR((AE_INFO, 141 ACPI_ERROR((AE_INFO,
143 "Bad predicate (not an integer) obj_desc=%p State=%p Type=%X", 142 "Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X",
144 obj_desc, walk_state, 143 obj_desc, walk_state,
145 ACPI_GET_OBJECT_TYPE(obj_desc))); 144 ACPI_GET_OBJECT_TYPE(obj_desc)));
146 145
@@ -214,7 +213,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
214 acpi_status status = AE_OK; 213 acpi_status status = AE_OK;
215 u32 opcode_class; 214 u32 opcode_class;
216 215
217 ACPI_FUNCTION_TRACE_PTR("ds_exec_begin_op", walk_state); 216 ACPI_FUNCTION_TRACE_PTR(ds_exec_begin_op, walk_state);
218 217
219 op = walk_state->op; 218 op = walk_state->op;
220 if (!op) { 219 if (!op) {
@@ -296,7 +295,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state,
296 295
297 case AML_CLASS_NAMED_OBJECT: 296 case AML_CLASS_NAMED_OBJECT:
298 297
299 if (walk_state->walk_type == ACPI_WALK_METHOD) { 298 if (walk_state->walk_type & ACPI_WALK_METHOD) {
300 /* 299 /*
301 * Found a named object declaration during method execution; 300 * Found a named object declaration during method execution;
302 * we must enter this object into the namespace. The created 301 * we must enter this object into the namespace. The created
@@ -354,7 +353,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
354 union acpi_parse_object *next_op; 353 union acpi_parse_object *next_op;
355 union acpi_parse_object *first_arg; 354 union acpi_parse_object *first_arg;
356 355
357 ACPI_FUNCTION_TRACE_PTR("ds_exec_end_op", walk_state); 356 ACPI_FUNCTION_TRACE_PTR(ds_exec_end_op, walk_state);
358 357
359 op = walk_state->op; 358 op = walk_state->op;
360 op_type = walk_state->op_info->type; 359 op_type = walk_state->op_info->type;
@@ -409,6 +408,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
409 * being the object_type and size_of operators. 408 * being the object_type and size_of operators.
410 */ 409 */
411 if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) { 410 if (!(walk_state->op_info->flags & AML_NO_OPERAND_RESOLVE)) {
411
412 /* Resolve all operands */ 412 /* Resolve all operands */
413 413
414 status = acpi_ex_resolve_operands(walk_state->opcode, 414 status = acpi_ex_resolve_operands(walk_state->opcode,
@@ -423,7 +423,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
423 acpi_ps_get_opcode_name 423 acpi_ps_get_opcode_name
424 (walk_state->opcode), 424 (walk_state->opcode),
425 walk_state->num_operands, 425 walk_state->num_operands,
426 "after ex_resolve_operands"); 426 "after ExResolveOperands");
427 } 427 }
428 } 428 }
429 429
@@ -437,7 +437,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
437 acpi_gbl_op_type_dispatch[op_type] (walk_state); 437 acpi_gbl_op_type_dispatch[op_type] (walk_state);
438 } else { 438 } else {
439 /* 439 /*
440 * Treat constructs of the form "Store(local_x,local_x)" as noops when the 440 * Treat constructs of the form "Store(LocalX,LocalX)" as noops when the
441 * Local is uninitialized. 441 * Local is uninitialized.
442 */ 442 */
443 if ((status == AE_AML_UNINITIALIZED_LOCAL) && 443 if ((status == AE_AML_UNINITIALIZED_LOCAL) &&
@@ -548,6 +548,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
548 */ 548 */
549 status = acpi_ds_resolve_operands(walk_state); 549 status = acpi_ds_resolve_operands(walk_state);
550 if (ACPI_FAILURE(status)) { 550 if (ACPI_FAILURE(status)) {
551
551 /* On error, clear all resolved operands */ 552 /* On error, clear all resolved operands */
552 553
553 acpi_ds_clear_operands(walk_state); 554 acpi_ds_clear_operands(walk_state);
@@ -569,7 +570,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
569 case AML_TYPE_CREATE_FIELD: 570 case AML_TYPE_CREATE_FIELD:
570 571
571 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 572 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
572 "Executing create_field Buffer/Index Op=%p\n", 573 "Executing CreateField Buffer/Index Op=%p\n",
573 op)); 574 op));
574 575
575 status = acpi_ds_load2_end_op(walk_state); 576 status = acpi_ds_load2_end_op(walk_state);
@@ -584,7 +585,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
584 case AML_TYPE_CREATE_OBJECT: 585 case AML_TYPE_CREATE_OBJECT:
585 586
586 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 587 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
587 "Executing create_object (Buffer/Package) Op=%p\n", 588 "Executing CreateObject (Buffer/Package) Op=%p\n",
588 op)); 589 op));
589 590
590 switch (op->common.parent->common.aml_opcode) { 591 switch (op->common.parent->common.aml_opcode) {
@@ -657,7 +658,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
657 658
658 if (op->common.aml_opcode == AML_REGION_OP) { 659 if (op->common.aml_opcode == AML_REGION_OP) {
659 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 660 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
660 "Executing op_region Address/Length Op=%p\n", 661 "Executing OpRegion Address/Length Op=%p\n",
661 op)); 662 op));
662 663
663 status = 664 status =
@@ -722,6 +723,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
722 cleanup: 723 cleanup:
723 724
724 if (walk_state->result_obj) { 725 if (walk_state->result_obj) {
726
725 /* Break to debugger to display result */ 727 /* Break to debugger to display result */
726 728
727 ACPI_DEBUGGER_EXEC(acpi_db_display_result_object 729 ACPI_DEBUGGER_EXEC(acpi_db_display_result_object
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index d3d24da31c81..35074399c617 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -127,7 +127,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
127 char *path; 127 char *path;
128 u32 flags; 128 u32 flags;
129 129
130 ACPI_FUNCTION_TRACE("ds_load1_begin_op"); 130 ACPI_FUNCTION_TRACE(ds_load1_begin_op);
131 131
132 op = walk_state->op; 132 op = walk_state->op;
133 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, 133 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
@@ -178,12 +178,12 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
178 * Target of Scope() not found. Generate an External for it, and 178 * Target of Scope() not found. Generate an External for it, and
179 * insert the name into the namespace. 179 * insert the name into the namespace.
180 */ 180 */
181 acpi_dm_add_to_external_list(path); 181 acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0);
182 status = 182 status =
183 acpi_ns_lookup(walk_state->scope_info, path, 183 acpi_ns_lookup(walk_state->scope_info, path,
184 object_type, ACPI_IMODE_LOAD_PASS1, 184 object_type, ACPI_IMODE_LOAD_PASS1,
185 ACPI_NS_SEARCH_PARENT, walk_state, 185 ACPI_NS_SEARCH_PARENT, walk_state,
186 &(node)); 186 &node);
187 } 187 }
188#endif 188#endif
189 if (ACPI_FAILURE(status)) { 189 if (ACPI_FAILURE(status)) {
@@ -261,6 +261,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
261 */ 261 */
262 262
263 if (walk_state->deferred_node) { 263 if (walk_state->deferred_node) {
264
264 /* This name is already in the namespace, get the node */ 265 /* This name is already in the namespace, get the node */
265 266
266 node = walk_state->deferred_node; 267 node = walk_state->deferred_node;
@@ -300,10 +301,41 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
300 status = 301 status =
301 acpi_ns_lookup(walk_state->scope_info, path, object_type, 302 acpi_ns_lookup(walk_state->scope_info, path, object_type,
302 ACPI_IMODE_LOAD_PASS1, flags, walk_state, 303 ACPI_IMODE_LOAD_PASS1, flags, walk_state,
303 &(node)); 304 &node);
304 if (ACPI_FAILURE(status)) { 305 if (ACPI_FAILURE(status)) {
305 ACPI_ERROR_NAMESPACE(path, status); 306 if (status == AE_ALREADY_EXISTS) {
306 return_ACPI_STATUS(status); 307
308 /* The name already exists in this scope */
309
310 if (node->flags & ANOBJ_IS_EXTERNAL) {
311 /*
312 * Allow one create on an object or segment that was
313 * previously declared External
314 */
315 node->flags &= ~ANOBJ_IS_EXTERNAL;
316 node->type = (u8) object_type;
317
318 /* Just retyped a node, probably will need to open a scope */
319
320 if (acpi_ns_opens_scope(object_type)) {
321 status =
322 acpi_ds_scope_stack_push
323 (node, object_type,
324 walk_state);
325 if (ACPI_FAILURE(status)) {
326 return_ACPI_STATUS
327 (status);
328 }
329 }
330 status = AE_OK;
331 }
332 }
333
334 if (ACPI_FAILURE(status)) {
335
336 ACPI_ERROR_NAMESPACE(path, status);
337 return_ACPI_STATUS(status);
338 }
307 } 339 }
308 break; 340 break;
309 } 341 }
@@ -311,6 +343,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state,
311 /* Common exit */ 343 /* Common exit */
312 344
313 if (!op) { 345 if (!op) {
346
314 /* Create a new op */ 347 /* Create a new op */
315 348
316 op = acpi_ps_alloc_op(walk_state->opcode); 349 op = acpi_ps_alloc_op(walk_state->opcode);
@@ -359,7 +392,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
359 acpi_object_type object_type; 392 acpi_object_type object_type;
360 acpi_status status = AE_OK; 393 acpi_status status = AE_OK;
361 394
362 ACPI_FUNCTION_TRACE("ds_load1_end_op"); 395 ACPI_FUNCTION_TRACE(ds_load1_end_op);
363 396
364 op = walk_state->op; 397 op = walk_state->op;
365 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, 398 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
@@ -413,6 +446,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
413#endif 446#endif
414 447
415 if (op->common.aml_opcode == AML_NAME_OP) { 448 if (op->common.aml_opcode == AML_NAME_OP) {
449
416 /* For Name opcode, get the object type from the argument */ 450 /* For Name opcode, get the object type from the argument */
417 451
418 if (op->common.value.arg) { 452 if (op->common.value.arg) {
@@ -445,7 +479,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state)
445 * arguments.) 479 * arguments.)
446 */ 480 */
447 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 481 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
448 "LOADING-Method: State=%p Op=%p named_obj=%p\n", 482 "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
449 walk_state, op, op->named.node)); 483 walk_state, op, op->named.node));
450 484
451 if (!acpi_ns_get_attached_object(op->named.node)) { 485 if (!acpi_ns_get_attached_object(op->named.node)) {
@@ -511,7 +545,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
511 acpi_object_type object_type; 545 acpi_object_type object_type;
512 char *buffer_ptr; 546 char *buffer_ptr;
513 547
514 ACPI_FUNCTION_TRACE("ds_load2_begin_op"); 548 ACPI_FUNCTION_TRACE(ds_load2_begin_op);
515 549
516 op = walk_state->op; 550 op = walk_state->op;
517 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, 551 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op,
@@ -521,6 +555,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
521 if ((walk_state->control_state) && 555 if ((walk_state->control_state) &&
522 (walk_state->control_state->common.state == 556 (walk_state->control_state->common.state ==
523 ACPI_CONTROL_CONDITIONAL_EXECUTING)) { 557 ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
558
524 /* We are executing a while loop outside of a method */ 559 /* We are executing a while loop outside of a method */
525 560
526 status = acpi_ds_exec_begin_op(walk_state, out_op); 561 status = acpi_ds_exec_begin_op(walk_state, out_op);
@@ -554,10 +589,12 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
554 /* Get the name we are going to enter or lookup in the namespace */ 589 /* Get the name we are going to enter or lookup in the namespace */
555 590
556 if (walk_state->opcode == AML_INT_NAMEPATH_OP) { 591 if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
592
557 /* For Namepath op, get the path string */ 593 /* For Namepath op, get the path string */
558 594
559 buffer_ptr = op->common.value.string; 595 buffer_ptr = op->common.value.string;
560 if (!buffer_ptr) { 596 if (!buffer_ptr) {
597
561 /* No name, just exit */ 598 /* No name, just exit */
562 599
563 return_ACPI_STATUS(AE_OK); 600 return_ACPI_STATUS(AE_OK);
@@ -680,6 +717,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
680 /* All other opcodes */ 717 /* All other opcodes */
681 718
682 if (op && op->common.node) { 719 if (op && op->common.node) {
720
683 /* This op/node was previously entered into the namespace */ 721 /* This op/node was previously entered into the namespace */
684 722
685 node = op->common.node; 723 node = op->common.node;
@@ -705,6 +743,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
705 * Note: Name may already exist if we are executing a deferred opcode. 743 * Note: Name may already exist if we are executing a deferred opcode.
706 */ 744 */
707 if (walk_state->deferred_node) { 745 if (walk_state->deferred_node) {
746
708 /* This name is already in the namespace, get the node */ 747 /* This name is already in the namespace, get the node */
709 748
710 node = walk_state->deferred_node; 749 node = walk_state->deferred_node;
@@ -727,6 +766,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
727 } 766 }
728 767
729 if (!op) { 768 if (!op) {
769
730 /* Create a new op */ 770 /* Create a new op */
731 771
732 op = acpi_ps_alloc_op(walk_state->opcode); 772 op = acpi_ps_alloc_op(walk_state->opcode);
@@ -776,7 +816,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
776 u32 i; 816 u32 i;
777#endif 817#endif
778 818
779 ACPI_FUNCTION_TRACE("ds_load2_end_op"); 819 ACPI_FUNCTION_TRACE(ds_load2_end_op);
780 820
781 op = walk_state->op; 821 op = walk_state->op;
782 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n", 822 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
@@ -870,7 +910,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
870 */ 910 */
871 911
872 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 912 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
873 "Create-Load [%s] State=%p Op=%p named_obj=%p\n", 913 "Create-Load [%s] State=%p Op=%p NamedObj=%p\n",
874 acpi_ps_get_opcode_name(op->common.aml_opcode), 914 acpi_ps_get_opcode_name(op->common.aml_opcode),
875 walk_state, op, node)); 915 walk_state, op, node));
876 916
@@ -1045,7 +1085,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
1045 * arguments.) 1085 * arguments.)
1046 */ 1086 */
1047 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 1087 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
1048 "LOADING-Method: State=%p Op=%p named_obj=%p\n", 1088 "LOADING-Method: State=%p Op=%p NamedObj=%p\n",
1049 walk_state, op, op->named.node)); 1089 walk_state, op, op->named.node));
1050 1090
1051 if (!acpi_ns_get_attached_object(op->named.node)) { 1091 if (!acpi_ns_get_attached_object(op->named.node)) {
@@ -1090,7 +1130,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
1090 case AML_CLASS_METHOD_CALL: 1130 case AML_CLASS_METHOD_CALL:
1091 1131
1092 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 1132 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
1093 "RESOLVING-method_call: State=%p Op=%p named_obj=%p\n", 1133 "RESOLVING-MethodCall: State=%p Op=%p NamedObj=%p\n",
1094 walk_state, op, node)); 1134 walk_state, op, node));
1095 1135
1096 /* 1136 /*
@@ -1104,7 +1144,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state)
1104 ACPI_NS_DONT_OPEN_SCOPE, walk_state, 1144 ACPI_NS_DONT_OPEN_SCOPE, walk_state,
1105 &(new_node)); 1145 &(new_node));
1106 if (ACPI_SUCCESS(status)) { 1146 if (ACPI_SUCCESS(status)) {
1107
1108 /* 1147 /*
1109 * Make sure that what we found is indeed a method 1148 * Make sure that what we found is indeed a method
1110 * We didn't search for a method on purpose, to see if the name 1149 * We didn't search for a method on purpose, to see if the name
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c
index ada21ef4a174..c9228972f5f6 100644
--- a/drivers/acpi/dispatcher/dswscope.c
+++ b/drivers/acpi/dispatcher/dswscope.c
@@ -63,9 +63,10 @@ void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state)
63{ 63{
64 union acpi_generic_state *scope_info; 64 union acpi_generic_state *scope_info;
65 65
66 ACPI_FUNCTION_NAME("ds_scope_stack_clear"); 66 ACPI_FUNCTION_NAME(ds_scope_stack_clear);
67 67
68 while (walk_state->scope_info) { 68 while (walk_state->scope_info) {
69
69 /* Pop a scope off the stack */ 70 /* Pop a scope off the stack */
70 71
71 scope_info = walk_state->scope_info; 72 scope_info = walk_state->scope_info;
@@ -102,9 +103,10 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
102 union acpi_generic_state *scope_info; 103 union acpi_generic_state *scope_info;
103 union acpi_generic_state *old_scope_info; 104 union acpi_generic_state *old_scope_info;
104 105
105 ACPI_FUNCTION_TRACE("ds_scope_stack_push"); 106 ACPI_FUNCTION_TRACE(ds_scope_stack_push);
106 107
107 if (!node) { 108 if (!node) {
109
108 /* Invalid scope */ 110 /* Invalid scope */
109 111
110 ACPI_ERROR((AE_INFO, "Null scope parameter")); 112 ACPI_ERROR((AE_INFO, "Null scope parameter"));
@@ -126,7 +128,7 @@ acpi_ds_scope_stack_push(struct acpi_namespace_node *node,
126 128
127 /* Init new scope object */ 129 /* Init new scope object */
128 130
129 scope_info->common.data_type = ACPI_DESC_TYPE_STATE_WSCOPE; 131 scope_info->common.descriptor_type = ACPI_DESC_TYPE_STATE_WSCOPE;
130 scope_info->scope.node = node; 132 scope_info->scope.node = node;
131 scope_info->common.value = (u16) type; 133 scope_info->common.value = (u16) type;
132 134
@@ -176,7 +178,7 @@ acpi_status acpi_ds_scope_stack_pop(struct acpi_walk_state *walk_state)
176 union acpi_generic_state *scope_info; 178 union acpi_generic_state *scope_info;
177 union acpi_generic_state *new_scope_info; 179 union acpi_generic_state *new_scope_info;
178 180
179 ACPI_FUNCTION_TRACE("ds_scope_stack_pop"); 181 ACPI_FUNCTION_TRACE(ds_scope_stack_pop);
180 182
181 /* 183 /*
182 * Pop scope info object off the stack. 184 * Pop scope info object off the stack.
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index fa78cb74ee36..7817e5522679 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -66,7 +66,6 @@ void *acpi_ds_obj_stack_get_value(u32 index,
66#endif 66#endif
67 67
68#ifdef ACPI_FUTURE_USAGE 68#ifdef ACPI_FUTURE_USAGE
69
70/******************************************************************************* 69/*******************************************************************************
71 * 70 *
72 * FUNCTION: acpi_ds_result_remove 71 * FUNCTION: acpi_ds_result_remove
@@ -88,7 +87,7 @@ acpi_ds_result_remove(union acpi_operand_object **object,
88{ 87{
89 union acpi_generic_state *state; 88 union acpi_generic_state *state;
90 89
91 ACPI_FUNCTION_NAME("ds_result_remove"); 90 ACPI_FUNCTION_NAME(ds_result_remove);
92 91
93 state = walk_state->results; 92 state = walk_state->results;
94 if (!state) { 93 if (!state) {
@@ -128,7 +127,6 @@ acpi_ds_result_remove(union acpi_operand_object **object,
128 127
129 return (AE_OK); 128 return (AE_OK);
130} 129}
131
132#endif /* ACPI_FUTURE_USAGE */ 130#endif /* ACPI_FUTURE_USAGE */
133 131
134/******************************************************************************* 132/*******************************************************************************
@@ -152,7 +150,7 @@ acpi_ds_result_pop(union acpi_operand_object ** object,
152 acpi_native_uint index; 150 acpi_native_uint index;
153 union acpi_generic_state *state; 151 union acpi_generic_state *state;
154 152
155 ACPI_FUNCTION_NAME("ds_result_pop"); 153 ACPI_FUNCTION_NAME(ds_result_pop);
156 154
157 state = walk_state->results; 155 state = walk_state->results;
158 if (!state) { 156 if (!state) {
@@ -170,6 +168,7 @@ acpi_ds_result_pop(union acpi_operand_object ** object,
170 state->results.num_results--; 168 state->results.num_results--;
171 169
172 for (index = ACPI_OBJ_NUM_OPERANDS; index; index--) { 170 for (index = ACPI_OBJ_NUM_OPERANDS; index; index--) {
171
173 /* Check for a valid result object */ 172 /* Check for a valid result object */
174 173
175 if (state->results.obj_desc[index - 1]) { 174 if (state->results.obj_desc[index - 1]) {
@@ -213,7 +212,7 @@ acpi_ds_result_pop_from_bottom(union acpi_operand_object ** object,
213 acpi_native_uint index; 212 acpi_native_uint index;
214 union acpi_generic_state *state; 213 union acpi_generic_state *state;
215 214
216 ACPI_FUNCTION_NAME("ds_result_pop_from_bottom"); 215 ACPI_FUNCTION_NAME(ds_result_pop_from_bottom);
217 216
218 state = walk_state->results; 217 state = walk_state->results;
219 if (!state) { 218 if (!state) {
@@ -278,7 +277,7 @@ acpi_ds_result_push(union acpi_operand_object * object,
278{ 277{
279 union acpi_generic_state *state; 278 union acpi_generic_state *state;
280 279
281 ACPI_FUNCTION_NAME("ds_result_push"); 280 ACPI_FUNCTION_NAME(ds_result_push);
282 281
283 state = walk_state->results; 282 state = walk_state->results;
284 if (!state) { 283 if (!state) {
@@ -331,14 +330,14 @@ acpi_status acpi_ds_result_stack_push(struct acpi_walk_state * walk_state)
331{ 330{
332 union acpi_generic_state *state; 331 union acpi_generic_state *state;
333 332
334 ACPI_FUNCTION_NAME("ds_result_stack_push"); 333 ACPI_FUNCTION_NAME(ds_result_stack_push);
335 334
336 state = acpi_ut_create_generic_state(); 335 state = acpi_ut_create_generic_state();
337 if (!state) { 336 if (!state) {
338 return (AE_NO_MEMORY); 337 return (AE_NO_MEMORY);
339 } 338 }
340 339
341 state->common.data_type = ACPI_DESC_TYPE_STATE_RESULT; 340 state->common.descriptor_type = ACPI_DESC_TYPE_STATE_RESULT;
342 acpi_ut_push_generic_state(&walk_state->results, state); 341 acpi_ut_push_generic_state(&walk_state->results, state);
343 342
344 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n", 343 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Results=%p State=%p\n",
@@ -363,7 +362,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
363{ 362{
364 union acpi_generic_state *state; 363 union acpi_generic_state *state;
365 364
366 ACPI_FUNCTION_NAME("ds_result_stack_pop"); 365 ACPI_FUNCTION_NAME(ds_result_stack_pop);
367 366
368 /* Check for stack underflow */ 367 /* Check for stack underflow */
369 368
@@ -376,7 +375,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
376 state = acpi_ut_pop_generic_state(&walk_state->results); 375 state = acpi_ut_pop_generic_state(&walk_state->results);
377 376
378 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 377 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
379 "Result=%p remaining_results=%X State=%p\n", 378 "Result=%p RemainingResults=%X State=%p\n",
380 state, state->results.num_results, walk_state)); 379 state, state->results.num_results, walk_state));
381 380
382 acpi_ut_delete_generic_state(state); 381 acpi_ut_delete_generic_state(state);
@@ -400,7 +399,7 @@ acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state * walk_state)
400acpi_status 399acpi_status
401acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) 400acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
402{ 401{
403 ACPI_FUNCTION_NAME("ds_obj_stack_push"); 402 ACPI_FUNCTION_NAME(ds_obj_stack_push);
404 403
405 /* Check for stack overflow */ 404 /* Check for stack overflow */
406 405
@@ -445,9 +444,10 @@ acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
445{ 444{
446 u32 i; 445 u32 i;
447 446
448 ACPI_FUNCTION_NAME("ds_obj_stack_pop"); 447 ACPI_FUNCTION_NAME(ds_obj_stack_pop);
449 448
450 for (i = 0; i < pop_count; i++) { 449 for (i = 0; i < pop_count; i++) {
450
451 /* Check for stack underflow */ 451 /* Check for stack underflow */
452 452
453 if (walk_state->num_operands == 0) { 453 if (walk_state->num_operands == 0) {
@@ -491,9 +491,10 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
491 u32 i; 491 u32 i;
492 union acpi_operand_object *obj_desc; 492 union acpi_operand_object *obj_desc;
493 493
494 ACPI_FUNCTION_NAME("ds_obj_stack_pop_and_delete"); 494 ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete);
495 495
496 for (i = 0; i < pop_count; i++) { 496 for (i = 0; i < pop_count; i++) {
497
497 /* Check for stack underflow */ 498 /* Check for stack underflow */
498 499
499 if (walk_state->num_operands == 0) { 500 if (walk_state->num_operands == 0) {
@@ -538,13 +539,13 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
538struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state 539struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state
539 *thread) 540 *thread)
540{ 541{
541 ACPI_FUNCTION_NAME("ds_get_current_walk_state"); 542 ACPI_FUNCTION_NAME(ds_get_current_walk_state);
542 543
543 if (!thread) { 544 if (!thread) {
544 return (NULL); 545 return (NULL);
545 } 546 }
546 547
547 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current walk_state %p\n", 548 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Current WalkState %p\n",
548 thread->walk_state_list)); 549 thread->walk_state_list));
549 550
550 return (thread->walk_state_list); 551 return (thread->walk_state_list);
@@ -567,7 +568,7 @@ void
567acpi_ds_push_walk_state(struct acpi_walk_state *walk_state, 568acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,
568 struct acpi_thread_state *thread) 569 struct acpi_thread_state *thread)
569{ 570{
570 ACPI_FUNCTION_TRACE("ds_push_walk_state"); 571 ACPI_FUNCTION_TRACE(ds_push_walk_state);
571 572
572 walk_state->next = thread->walk_state_list; 573 walk_state->next = thread->walk_state_list;
573 thread->walk_state_list = walk_state; 574 thread->walk_state_list = walk_state;
@@ -593,11 +594,12 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
593{ 594{
594 struct acpi_walk_state *walk_state; 595 struct acpi_walk_state *walk_state;
595 596
596 ACPI_FUNCTION_TRACE("ds_pop_walk_state"); 597 ACPI_FUNCTION_TRACE(ds_pop_walk_state);
597 598
598 walk_state = thread->walk_state_list; 599 walk_state = thread->walk_state_list;
599 600
600 if (walk_state) { 601 if (walk_state) {
602
601 /* Next walk state becomes the current walk state */ 603 /* Next walk state becomes the current walk state */
602 604
603 thread->walk_state_list = walk_state->next; 605 thread->walk_state_list = walk_state->next;
@@ -618,7 +620,7 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread)
618 * 620 *
619 * PARAMETERS: owner_id - ID for object creation 621 * PARAMETERS: owner_id - ID for object creation
620 * Origin - Starting point for this walk 622 * Origin - Starting point for this walk
621 * mth_desc - Method object 623 * method_desc - Method object
622 * Thread - Current thread state 624 * Thread - Current thread state
623 * 625 *
624 * RETURN: Pointer to the new walk state. 626 * RETURN: Pointer to the new walk state.
@@ -632,24 +634,24 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
632 union acpi_parse_object 634 union acpi_parse_object
633 *origin, 635 *origin,
634 union acpi_operand_object 636 union acpi_operand_object
635 *mth_desc, 637 *method_desc,
636 struct acpi_thread_state 638 struct acpi_thread_state
637 *thread) 639 *thread)
638{ 640{
639 struct acpi_walk_state *walk_state; 641 struct acpi_walk_state *walk_state;
640 acpi_status status; 642 acpi_status status;
641 643
642 ACPI_FUNCTION_TRACE("ds_create_walk_state"); 644 ACPI_FUNCTION_TRACE(ds_create_walk_state);
643 645
644 walk_state = ACPI_MEM_CALLOCATE(sizeof(struct acpi_walk_state)); 646 walk_state = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_walk_state));
645 if (!walk_state) { 647 if (!walk_state) {
646 return_PTR(NULL); 648 return_PTR(NULL);
647 } 649 }
648 650
649 walk_state->data_type = ACPI_DESC_TYPE_WALK; 651 walk_state->descriptor_type = ACPI_DESC_TYPE_WALK;
652 walk_state->method_desc = method_desc;
650 walk_state->owner_id = owner_id; 653 walk_state->owner_id = owner_id;
651 walk_state->origin = origin; 654 walk_state->origin = origin;
652 walk_state->method_desc = mth_desc;
653 walk_state->thread = thread; 655 walk_state->thread = thread;
654 656
655 walk_state->parser_state.start_op = origin; 657 walk_state->parser_state.start_op = origin;
@@ -664,7 +666,7 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id,
664 666
665 status = acpi_ds_result_stack_push(walk_state); 667 status = acpi_ds_result_stack_push(walk_state);
666 if (ACPI_FAILURE(status)) { 668 if (ACPI_FAILURE(status)) {
667 ACPI_MEM_FREE(walk_state); 669 ACPI_FREE(walk_state);
668 return_PTR(NULL); 670 return_PTR(NULL);
669 } 671 }
670 672
@@ -701,13 +703,13 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
701 struct acpi_namespace_node *method_node, 703 struct acpi_namespace_node *method_node,
702 u8 * aml_start, 704 u8 * aml_start,
703 u32 aml_length, 705 u32 aml_length,
704 struct acpi_parameter_info *info, u8 pass_number) 706 struct acpi_evaluate_info *info, u8 pass_number)
705{ 707{
706 acpi_status status; 708 acpi_status status;
707 struct acpi_parse_state *parser_state = &walk_state->parser_state; 709 struct acpi_parse_state *parser_state = &walk_state->parser_state;
708 union acpi_parse_object *extra_op; 710 union acpi_parse_object *extra_op;
709 711
710 ACPI_FUNCTION_TRACE("ds_init_aml_walk"); 712 ACPI_FUNCTION_TRACE(ds_init_aml_walk);
711 713
712 walk_state->parser_state.aml = 714 walk_state->parser_state.aml =
713 walk_state->parser_state.aml_start = aml_start; 715 walk_state->parser_state.aml_start = aml_start;
@@ -778,6 +780,7 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
778 } 780 }
779 781
780 if (parser_state->start_node) { 782 if (parser_state->start_node) {
783
781 /* Push start scope on scope stack and make it current */ 784 /* Push start scope on scope stack and make it current */
782 785
783 status = 786 status =
@@ -810,21 +813,24 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
810{ 813{
811 union acpi_generic_state *state; 814 union acpi_generic_state *state;
812 815
813 ACPI_FUNCTION_TRACE_PTR("ds_delete_walk_state", walk_state); 816 ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state);
814 817
815 if (!walk_state) { 818 if (!walk_state) {
816 return; 819 return;
817 } 820 }
818 821
819 if (walk_state->data_type != ACPI_DESC_TYPE_WALK) { 822 if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) {
820 ACPI_ERROR((AE_INFO, "%p is not a valid walk state", 823 ACPI_ERROR((AE_INFO, "%p is not a valid walk state",
821 walk_state)); 824 walk_state));
822 return; 825 return;
823 } 826 }
824 827
828 /* There should not be any open scopes */
829
825 if (walk_state->parser_state.scope) { 830 if (walk_state->parser_state.scope) {
826 ACPI_ERROR((AE_INFO, "%p walk still has a scope list", 831 ACPI_ERROR((AE_INFO, "%p walk still has a scope list",
827 walk_state)); 832 walk_state));
833 acpi_ps_cleanup_scope(&walk_state->parser_state);
828 } 834 }
829 835
830 /* Always must free any linked control states */ 836 /* Always must free any linked control states */
@@ -854,7 +860,7 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)
854 acpi_ut_delete_generic_state(state); 860 acpi_ut_delete_generic_state(state);
855 } 861 }
856 862
857 ACPI_MEM_FREE(walk_state); 863 ACPI_FREE(walk_state);
858 return_VOID; 864 return_VOID;
859} 865}
860 866
@@ -879,7 +885,7 @@ acpi_ds_result_insert(void *object,
879{ 885{
880 union acpi_generic_state *state; 886 union acpi_generic_state *state;
881 887
882 ACPI_FUNCTION_NAME("ds_result_insert"); 888 ACPI_FUNCTION_NAME(ds_result_insert);
883 889
884 state = walk_state->results; 890 state = walk_state->results;
885 if (!state) { 891 if (!state) {
@@ -937,7 +943,7 @@ acpi_status acpi_ds_obj_stack_delete_all(struct acpi_walk_state * walk_state)
937{ 943{
938 u32 i; 944 u32 i;
939 945
940 ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_delete_all", walk_state); 946 ACPI_FUNCTION_TRACE_PTR(ds_obj_stack_delete_all, walk_state);
941 947
942 /* The stack size is configurable, but fixed */ 948 /* The stack size is configurable, but fixed */
943 949
@@ -969,7 +975,7 @@ acpi_status
969acpi_ds_obj_stack_pop_object(union acpi_operand_object **object, 975acpi_ds_obj_stack_pop_object(union acpi_operand_object **object,
970 struct acpi_walk_state *walk_state) 976 struct acpi_walk_state *walk_state)
971{ 977{
972 ACPI_FUNCTION_NAME("ds_obj_stack_pop_object"); 978 ACPI_FUNCTION_NAME(ds_obj_stack_pop_object);
973 979
974 /* Check for stack underflow */ 980 /* Check for stack underflow */
975 981
@@ -1025,7 +1031,7 @@ acpi_ds_obj_stack_pop_object(union acpi_operand_object **object,
1025void *acpi_ds_obj_stack_get_value(u32 index, struct acpi_walk_state *walk_state) 1031void *acpi_ds_obj_stack_get_value(u32 index, struct acpi_walk_state *walk_state)
1026{ 1032{
1027 1033
1028 ACPI_FUNCTION_TRACE_PTR("ds_obj_stack_get_value", walk_state); 1034 ACPI_FUNCTION_TRACE_PTR(ds_obj_stack_get_value, walk_state);
1029 1035
1030 /* Can't do it if the stack is empty */ 1036 /* Can't do it if the stack is empty */
1031 1037
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index eee0864ba300..80cc76de2a4a 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -763,8 +763,7 @@ static u32 acpi_ec_gpe_poll_handler(void *data)
763 763
764 acpi_disable_gpe(NULL, ec->common.gpe_bit, ACPI_ISR); 764 acpi_disable_gpe(NULL, ec->common.gpe_bit, ACPI_ISR);
765 765
766 status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE, 766 status = acpi_os_execute(OSL_EC_POLL_HANDLER, acpi_ec_gpe_query, ec);
767 acpi_ec_gpe_query, ec);
768 767
769 if (status == AE_OK) 768 if (status == AE_OK)
770 return ACPI_INTERRUPT_HANDLED; 769 return ACPI_INTERRUPT_HANDLED;
@@ -799,7 +798,7 @@ static u32 acpi_ec_gpe_intr_handler(void *data)
799 798
800 if (value & ACPI_EC_FLAG_SCI) { 799 if (value & ACPI_EC_FLAG_SCI) {
801 atomic_add(1, &ec->intr.pending_gpe); 800 atomic_add(1, &ec->intr.pending_gpe);
802 status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE, 801 status = acpi_os_execute(OSL_EC_BURST_HANDLER,
803 acpi_ec_gpe_query, ec); 802 acpi_ec_gpe_query, ec);
804 return status == AE_OK ? 803 return status == AE_OK ?
805 ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED; 804 ACPI_INTERRUPT_HANDLED : ACPI_INTERRUPT_NOT_HANDLED;
diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c
index c9ac05c4685f..919037d6acff 100644
--- a/drivers/acpi/events/evevent.c
+++ b/drivers/acpi/events/evevent.c
@@ -68,7 +68,7 @@ acpi_status acpi_ev_initialize_events(void)
68{ 68{
69 acpi_status status; 69 acpi_status status;
70 70
71 ACPI_FUNCTION_TRACE("ev_initialize_events"); 71 ACPI_FUNCTION_TRACE(ev_initialize_events);
72 72
73 /* Make sure we have ACPI tables */ 73 /* Make sure we have ACPI tables */
74 74
@@ -118,7 +118,7 @@ acpi_status acpi_ev_install_fadt_gpes(void)
118{ 118{
119 acpi_status status; 119 acpi_status status;
120 120
121 ACPI_FUNCTION_TRACE("ev_install_fadt_gpes"); 121 ACPI_FUNCTION_TRACE(ev_install_fadt_gpes);
122 122
123 /* Namespace must be locked */ 123 /* Namespace must be locked */
124 124
@@ -157,7 +157,7 @@ acpi_status acpi_ev_install_xrupt_handlers(void)
157{ 157{
158 acpi_status status; 158 acpi_status status;
159 159
160 ACPI_FUNCTION_TRACE("ev_install_xrupt_handlers"); 160 ACPI_FUNCTION_TRACE(ev_install_xrupt_handlers);
161 161
162 /* Install the SCI handler */ 162 /* Install the SCI handler */
163 163
@@ -241,7 +241,7 @@ u32 acpi_ev_fixed_event_detect(void)
241 u32 fixed_enable; 241 u32 fixed_enable;
242 acpi_native_uint i; 242 acpi_native_uint i;
243 243
244 ACPI_FUNCTION_NAME("ev_fixed_event_detect"); 244 ACPI_FUNCTION_NAME(ev_fixed_event_detect);
245 245
246 /* 246 /*
247 * Read the fixed feature status and enable registers, as all the cases 247 * Read the fixed feature status and enable registers, as all the cases
@@ -260,12 +260,14 @@ u32 acpi_ev_fixed_event_detect(void)
260 * Check for all possible Fixed Events and dispatch those that are active 260 * Check for all possible Fixed Events and dispatch those that are active
261 */ 261 */
262 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { 262 for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
263
263 /* Both the status and enable bits must be on for this event */ 264 /* Both the status and enable bits must be on for this event */
264 265
265 if ((fixed_status & acpi_gbl_fixed_event_info[i]. 266 if ((fixed_status & acpi_gbl_fixed_event_info[i].
266 status_bit_mask) 267 status_bit_mask)
267 && (fixed_enable & acpi_gbl_fixed_event_info[i]. 268 && (fixed_enable & acpi_gbl_fixed_event_info[i].
268 enable_bit_mask)) { 269 enable_bit_mask)) {
270
269 /* Found an active (signalled) event */ 271 /* Found an active (signalled) event */
270 272
271 int_status |= acpi_ev_fixed_event_dispatch((u32) i); 273 int_status |= acpi_ev_fixed_event_dispatch((u32) i);
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index f64f977dd3d5..f01d339407f8 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -69,7 +69,7 @@ acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type)
69{ 69{
70 acpi_status status; 70 acpi_status status;
71 71
72 ACPI_FUNCTION_TRACE("ev_set_gpe_type"); 72 ACPI_FUNCTION_TRACE(ev_set_gpe_type);
73 73
74 /* Validate type and update register enable masks */ 74 /* Validate type and update register enable masks */
75 75
@@ -115,7 +115,7 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
115 struct acpi_gpe_register_info *gpe_register_info; 115 struct acpi_gpe_register_info *gpe_register_info;
116 u8 register_bit; 116 u8 register_bit;
117 117
118 ACPI_FUNCTION_TRACE("ev_update_gpe_enable_masks"); 118 ACPI_FUNCTION_TRACE(ev_update_gpe_enable_masks);
119 119
120 gpe_register_info = gpe_event_info->register_info; 120 gpe_register_info = gpe_event_info->register_info;
121 if (!gpe_register_info) { 121 if (!gpe_register_info) {
@@ -178,7 +178,7 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
178{ 178{
179 acpi_status status; 179 acpi_status status;
180 180
181 ACPI_FUNCTION_TRACE("ev_enable_gpe"); 181 ACPI_FUNCTION_TRACE(ev_enable_gpe);
182 182
183 /* Make sure HW enable masks are updated */ 183 /* Make sure HW enable masks are updated */
184 184
@@ -207,6 +207,7 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
207 ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED); 207 ACPI_SET_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
208 208
209 if (write_to_hardware) { 209 if (write_to_hardware) {
210
210 /* Clear the GPE (of stale events), then enable it */ 211 /* Clear the GPE (of stale events), then enable it */
211 212
212 status = acpi_hw_clear_gpe(gpe_event_info); 213 status = acpi_hw_clear_gpe(gpe_event_info);
@@ -243,7 +244,7 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
243{ 244{
244 acpi_status status; 245 acpi_status status;
245 246
246 ACPI_FUNCTION_TRACE("ev_disable_gpe"); 247 ACPI_FUNCTION_TRACE(ev_disable_gpe);
247 248
248 if (!(gpe_event_info->flags & ACPI_GPE_ENABLE_MASK)) { 249 if (!(gpe_event_info->flags & ACPI_GPE_ENABLE_MASK)) {
249 return_ACPI_STATUS(AE_OK); 250 return_ACPI_STATUS(AE_OK);
@@ -313,6 +314,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
313 /* A NULL gpe_block means use the FADT-defined GPE block(s) */ 314 /* A NULL gpe_block means use the FADT-defined GPE block(s) */
314 315
315 if (!gpe_device) { 316 if (!gpe_device) {
317
316 /* Examine GPE Block 0 and 1 (These blocks are permanent) */ 318 /* Examine GPE Block 0 and 1 (These blocks are permanent) */
317 319
318 for (i = 0; i < ACPI_MAX_GPE_BLOCKS; i++) { 320 for (i = 0; i < ACPI_MAX_GPE_BLOCKS; i++) {
@@ -380,10 +382,11 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
380 u32 status_reg; 382 u32 status_reg;
381 u32 enable_reg; 383 u32 enable_reg;
382 acpi_cpu_flags flags; 384 acpi_cpu_flags flags;
385 acpi_cpu_flags hw_flags;
383 acpi_native_uint i; 386 acpi_native_uint i;
384 acpi_native_uint j; 387 acpi_native_uint j;
385 388
386 ACPI_FUNCTION_NAME("ev_gpe_detect"); 389 ACPI_FUNCTION_NAME(ev_gpe_detect);
387 390
388 /* Check for the case where there are no GPEs */ 391 /* Check for the case where there are no GPEs */
389 392
@@ -391,9 +394,12 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
391 return (int_status); 394 return (int_status);
392 } 395 }
393 396
394 /* Examine all GPE blocks attached to this interrupt level */ 397 /* We need to hold the GPE lock now, hardware lock in the loop */
395 398
396 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); 399 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
400
401 /* Examine all GPE blocks attached to this interrupt level */
402
397 gpe_block = gpe_xrupt_list->gpe_block_list_head; 403 gpe_block = gpe_xrupt_list->gpe_block_list_head;
398 while (gpe_block) { 404 while (gpe_block) {
399 /* 405 /*
@@ -402,10 +408,13 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
402 * Find all currently active GP events. 408 * Find all currently active GP events.
403 */ 409 */
404 for (i = 0; i < gpe_block->register_count; i++) { 410 for (i = 0; i < gpe_block->register_count; i++) {
411
405 /* Get the next status/enable pair */ 412 /* Get the next status/enable pair */
406 413
407 gpe_register_info = &gpe_block->register_info[i]; 414 gpe_register_info = &gpe_block->register_info[i];
408 415
416 hw_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
417
409 /* Read the Status Register */ 418 /* Read the Status Register */
410 419
411 status = 420 status =
@@ -414,6 +423,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
414 &gpe_register_info-> 423 &gpe_register_info->
415 status_address); 424 status_address);
416 if (ACPI_FAILURE(status)) { 425 if (ACPI_FAILURE(status)) {
426 acpi_os_release_lock(acpi_gbl_hardware_lock,
427 hw_flags);
417 goto unlock_and_exit; 428 goto unlock_and_exit;
418 } 429 }
419 430
@@ -424,6 +435,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
424 &enable_reg, 435 &enable_reg,
425 &gpe_register_info-> 436 &gpe_register_info->
426 enable_address); 437 enable_address);
438 acpi_os_release_lock(acpi_gbl_hardware_lock, hw_flags);
439
427 if (ACPI_FAILURE(status)) { 440 if (ACPI_FAILURE(status)) {
428 goto unlock_and_exit; 441 goto unlock_and_exit;
429 } 442 }
@@ -437,6 +450,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
437 450
438 enabled_status_byte = (u8) (status_reg & enable_reg); 451 enabled_status_byte = (u8) (status_reg & enable_reg);
439 if (!enabled_status_byte) { 452 if (!enabled_status_byte) {
453
440 /* No active GPEs in this register, move on */ 454 /* No active GPEs in this register, move on */
441 455
442 continue; 456 continue;
@@ -445,6 +459,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
445 /* Now look at the individual GPEs in this byte register */ 459 /* Now look at the individual GPEs in this byte register */
446 460
447 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { 461 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
462
448 /* Examine one GPE bit */ 463 /* Examine one GPE bit */
449 464
450 if (enabled_status_byte & 465 if (enabled_status_byte &
@@ -483,9 +498,9 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
483 * 498 *
484 * RETURN: None 499 * RETURN: None
485 * 500 *
486 * DESCRIPTION: Perform the actual execution of a GPE control method. This 501 * DESCRIPTION: Perform the actual execution of a GPE control method. This
487 * function is called from an invocation of acpi_os_queue_for_execution 502 * function is called from an invocation of acpi_os_execute and
488 * (and therefore does NOT execute at interrupt level) so that 503 * therefore does NOT execute at interrupt level - so that
489 * the control method itself is not executed in the context of 504 * the control method itself is not executed in the context of
490 * an interrupt handler. 505 * an interrupt handler.
491 * 506 *
@@ -494,12 +509,11 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
494static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) 509static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
495{ 510{
496 struct acpi_gpe_event_info *gpe_event_info = (void *)context; 511 struct acpi_gpe_event_info *gpe_event_info = (void *)context;
497 u32 gpe_number = 0;
498 acpi_status status; 512 acpi_status status;
499 struct acpi_gpe_event_info local_gpe_event_info; 513 struct acpi_gpe_event_info local_gpe_event_info;
500 struct acpi_parameter_info info; 514 struct acpi_evaluate_info *info;
501 515
502 ACPI_FUNCTION_TRACE("ev_asynch_execute_gpe_method"); 516 ACPI_FUNCTION_TRACE(ev_asynch_execute_gpe_method);
503 517
504 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); 518 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
505 if (ACPI_FAILURE(status)) { 519 if (ACPI_FAILURE(status)) {
@@ -535,22 +549,35 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
535 */ 549 */
536 if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == 550 if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) ==
537 ACPI_GPE_DISPATCH_METHOD) { 551 ACPI_GPE_DISPATCH_METHOD) {
538 /*
539 * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
540 * control method that corresponds to this GPE
541 */
542 info.node = local_gpe_event_info.dispatch.method_node;
543 info.parameters =
544 ACPI_CAST_PTR(union acpi_operand_object *, gpe_event_info);
545 info.parameter_type = ACPI_PARAM_GPE;
546 552
547 status = acpi_ns_evaluate_by_handle(&info); 553 /* Allocate the evaluation information block */
554
555 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
556 if (!info) {
557 status = AE_NO_MEMORY;
558 } else {
559 /*
560 * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx
561 * control method that corresponds to this GPE
562 */
563 info->prefix_node =
564 local_gpe_event_info.dispatch.method_node;
565 info->parameters =
566 ACPI_CAST_PTR(union acpi_operand_object *,
567 gpe_event_info);
568 info->parameter_type = ACPI_PARAM_GPE;
569 info->flags = ACPI_IGNORE_RETURN_VALUE;
570
571 status = acpi_ns_evaluate(info);
572 ACPI_FREE(info);
573 }
574
548 if (ACPI_FAILURE(status)) { 575 if (ACPI_FAILURE(status)) {
549 ACPI_EXCEPTION((AE_INFO, status, 576 ACPI_EXCEPTION((AE_INFO, status,
550 "While evaluating method [%4.4s] for GPE[%2X]", 577 "While evaluating GPE method [%4.4s]",
551 acpi_ut_get_node_name 578 acpi_ut_get_node_name
552 (local_gpe_event_info.dispatch. 579 (local_gpe_event_info.dispatch.
553 method_node), gpe_number)); 580 method_node)));
554 } 581 }
555 } 582 }
556 583
@@ -593,7 +620,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
593{ 620{
594 acpi_status status; 621 acpi_status status;
595 622
596 ACPI_FUNCTION_TRACE("ev_gpe_dispatch"); 623 ACPI_FUNCTION_TRACE(ev_gpe_dispatch);
597 624
598 /* 625 /*
599 * If edge-triggered, clear the GPE status bit now. Note that 626 * If edge-triggered, clear the GPE status bit now. Note that
@@ -669,9 +696,9 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
669 * Execute the method associated with the GPE 696 * Execute the method associated with the GPE
670 * NOTE: Level-triggered GPEs are cleared after the method completes. 697 * NOTE: Level-triggered GPEs are cleared after the method completes.
671 */ 698 */
672 status = acpi_os_queue_for_execution(OSD_PRIORITY_GPE, 699 status = acpi_os_execute(OSL_GPE_HANDLER,
673 acpi_ev_asynch_execute_gpe_method, 700 acpi_ev_asynch_execute_gpe_method,
674 gpe_event_info); 701 gpe_event_info);
675 if (ACPI_FAILURE(status)) { 702 if (ACPI_FAILURE(status)) {
676 ACPI_EXCEPTION((AE_INFO, status, 703 ACPI_EXCEPTION((AE_INFO, status,
677 "Unable to queue handler for GPE[%2X] - event disabled", 704 "Unable to queue handler for GPE[%2X] - event disabled",
@@ -716,7 +743,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
716 * 743 *
717 * DESCRIPTION: Determine if a a GPE is "wake-only". 744 * DESCRIPTION: Determine if a a GPE is "wake-only".
718 * 745 *
719 * Called from Notify() code in interpreter when a "device_wake" 746 * Called from Notify() code in interpreter when a "DeviceWake"
720 * Notify comes in. 747 * Notify comes in.
721 * 748 *
722 ******************************************************************************/ 749 ******************************************************************************/
@@ -726,7 +753,7 @@ acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info)
726{ 753{
727 acpi_status status; 754 acpi_status status;
728 755
729 ACPI_FUNCTION_TRACE("ev_check_for_wake_only_gpe"); 756 ACPI_FUNCTION_TRACE(ev_check_for_wake_only_gpe);
730 757
731 if ((gpe_event_info) && /* Only >0 for _Lxx/_Exx */ 758 if ((gpe_event_info) && /* Only >0 for _Lxx/_Exx */
732 ((gpe_event_info->flags & ACPI_GPE_SYSTEM_MASK) == ACPI_GPE_SYSTEM_RUNNING)) { /* System state at GPE time */ 759 ((gpe_event_info->flags & ACPI_GPE_SYSTEM_MASK) == ACPI_GPE_SYSTEM_RUNNING)) { /* System state at GPE time */
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 0fd00b5ad650..95ddeb48bc0f 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -131,14 +131,14 @@ u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
131 * 131 *
132 ******************************************************************************/ 132 ******************************************************************************/
133 133
134acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback) 134acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback)
135{ 135{
136 struct acpi_gpe_block_info *gpe_block; 136 struct acpi_gpe_block_info *gpe_block;
137 struct acpi_gpe_xrupt_info *gpe_xrupt_info; 137 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
138 acpi_status status = AE_OK; 138 acpi_status status = AE_OK;
139 acpi_cpu_flags flags; 139 acpi_cpu_flags flags;
140 140
141 ACPI_FUNCTION_TRACE("ev_walk_gpe_list"); 141 ACPI_FUNCTION_TRACE(ev_walk_gpe_list);
142 142
143 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); 143 flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
144 144
@@ -146,10 +146,12 @@ acpi_status acpi_ev_walk_gpe_list(ACPI_GPE_CALLBACK gpe_walk_callback)
146 146
147 gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; 147 gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
148 while (gpe_xrupt_info) { 148 while (gpe_xrupt_info) {
149
149 /* Walk all Gpe Blocks attached to this interrupt level */ 150 /* Walk all Gpe Blocks attached to this interrupt level */
150 151
151 gpe_block = gpe_xrupt_info->gpe_block_list_head; 152 gpe_block = gpe_xrupt_info->gpe_block_list_head;
152 while (gpe_block) { 153 while (gpe_block) {
154
153 /* One callback per GPE block */ 155 /* One callback per GPE block */
154 156
155 status = gpe_walk_callback(gpe_xrupt_info, gpe_block); 157 status = gpe_walk_callback(gpe_xrupt_info, gpe_block);
@@ -190,11 +192,12 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
190 acpi_native_uint i; 192 acpi_native_uint i;
191 acpi_native_uint j; 193 acpi_native_uint j;
192 194
193 ACPI_FUNCTION_TRACE("ev_delete_gpe_handlers"); 195 ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
194 196
195 /* Examine each GPE Register within the block */ 197 /* Examine each GPE Register within the block */
196 198
197 for (i = 0; i < gpe_block->register_count; i++) { 199 for (i = 0; i < gpe_block->register_count; i++) {
200
198 /* Now look at the individual GPEs in this byte register */ 201 /* Now look at the individual GPEs in this byte register */
199 202
200 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { 203 for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
@@ -204,7 +207,7 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
204 207
205 if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == 208 if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
206 ACPI_GPE_DISPATCH_HANDLER) { 209 ACPI_GPE_DISPATCH_HANDLER) {
207 ACPI_MEM_FREE(gpe_event_info->dispatch.handler); 210 ACPI_FREE(gpe_event_info->dispatch.handler);
208 gpe_event_info->dispatch.handler = NULL; 211 gpe_event_info->dispatch.handler = NULL;
209 gpe_event_info->flags &= 212 gpe_event_info->flags &=
210 ~ACPI_GPE_DISPATCH_MASK; 213 ~ACPI_GPE_DISPATCH_MASK;
@@ -248,7 +251,7 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
248 u8 type; 251 u8 type;
249 acpi_status status; 252 acpi_status status;
250 253
251 ACPI_FUNCTION_TRACE("ev_save_method_info"); 254 ACPI_FUNCTION_TRACE(ev_save_method_info);
252 255
253 /* 256 /*
254 * _Lxx and _Exx GPE method support 257 * _Lxx and _Exx GPE method support
@@ -279,9 +282,9 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
279 default: 282 default:
280 /* Unknown method type, just ignore it! */ 283 /* Unknown method type, just ignore it! */
281 284
282 ACPI_ERROR((AE_INFO, 285 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
283 "Unknown GPE method type: %s (name not of form _Lxx or _Exx)", 286 "Ignoring unknown GPE method type: %s (name not of form _Lxx or _Exx)",
284 name)); 287 name));
285 return_ACPI_STATUS(AE_OK); 288 return_ACPI_STATUS(AE_OK);
286 } 289 }
287 290
@@ -289,11 +292,12 @@ acpi_ev_save_method_info(acpi_handle obj_handle,
289 292
290 gpe_number = ACPI_STRTOUL(&name[2], NULL, 16); 293 gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
291 if (gpe_number == ACPI_UINT32_MAX) { 294 if (gpe_number == ACPI_UINT32_MAX) {
295
292 /* Conversion failed; invalid method, just ignore it */ 296 /* Conversion failed; invalid method, just ignore it */
293 297
294 ACPI_ERROR((AE_INFO, 298 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
295 "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)", 299 "Could not extract GPE number from name: %s (name is not of form _Lxx or _Exx)",
296 name)); 300 name));
297 return_ACPI_STATUS(AE_OK); 301 return_ACPI_STATUS(AE_OK);
298 } 302 }
299 303
@@ -364,13 +368,14 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
364 u32 gpe_number; 368 u32 gpe_number;
365 acpi_status status; 369 acpi_status status;
366 370
367 ACPI_FUNCTION_TRACE("ev_match_prw_and_gpe"); 371 ACPI_FUNCTION_TRACE(ev_match_prw_and_gpe);
368 372
369 /* Check for a _PRW method under this device */ 373 /* Check for a _PRW method under this device */
370 374
371 status = acpi_ut_evaluate_object(obj_handle, METHOD_NAME__PRW, 375 status = acpi_ut_evaluate_object(obj_handle, METHOD_NAME__PRW,
372 ACPI_BTYPE_PACKAGE, &pkg_desc); 376 ACPI_BTYPE_PACKAGE, &pkg_desc);
373 if (ACPI_FAILURE(status)) { 377 if (ACPI_FAILURE(status)) {
378
374 /* Ignore all errors from _PRW, we don't want to abort the subsystem */ 379 /* Ignore all errors from _PRW, we don't want to abort the subsystem */
375 380
376 return_ACPI_STATUS(AE_OK); 381 return_ACPI_STATUS(AE_OK);
@@ -394,6 +399,7 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
394 obj_desc = pkg_desc->package.elements[0]; 399 obj_desc = pkg_desc->package.elements[0];
395 400
396 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 401 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
402
397 /* Use FADT-defined GPE device (from definition of _PRW) */ 403 /* Use FADT-defined GPE device (from definition of _PRW) */
398 404
399 target_gpe_device = acpi_gbl_fadt_gpe_device; 405 target_gpe_device = acpi_gbl_fadt_gpe_device;
@@ -402,6 +408,7 @@ acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
402 408
403 gpe_number = (u32) obj_desc->integer.value; 409 gpe_number = (u32) obj_desc->integer.value;
404 } else if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) { 410 } else if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
411
405 /* Package contains a GPE reference and GPE number within a GPE block */ 412 /* Package contains a GPE reference and GPE number within a GPE block */
406 413
407 if ((obj_desc->package.count < 2) || 414 if ((obj_desc->package.count < 2) ||
@@ -482,7 +489,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
482 acpi_status status; 489 acpi_status status;
483 acpi_cpu_flags flags; 490 acpi_cpu_flags flags;
484 491
485 ACPI_FUNCTION_TRACE("ev_get_gpe_xrupt_block"); 492 ACPI_FUNCTION_TRACE(ev_get_gpe_xrupt_block);
486 493
487 /* No need for lock since we are not changing any list elements here */ 494 /* No need for lock since we are not changing any list elements here */
488 495
@@ -497,7 +504,7 @@ static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
497 504
498 /* Not found, must allocate a new xrupt descriptor */ 505 /* Not found, must allocate a new xrupt descriptor */
499 506
500 gpe_xrupt = ACPI_MEM_CALLOCATE(sizeof(struct acpi_gpe_xrupt_info)); 507 gpe_xrupt = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_xrupt_info));
501 if (!gpe_xrupt) { 508 if (!gpe_xrupt) {
502 return_PTR(NULL); 509 return_PTR(NULL);
503 } 510 }
@@ -556,7 +563,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
556 acpi_status status; 563 acpi_status status;
557 acpi_cpu_flags flags; 564 acpi_cpu_flags flags;
558 565
559 ACPI_FUNCTION_TRACE("ev_delete_gpe_xrupt"); 566 ACPI_FUNCTION_TRACE(ev_delete_gpe_xrupt);
560 567
561 /* We never want to remove the SCI interrupt handler */ 568 /* We never want to remove the SCI interrupt handler */
562 569
@@ -588,7 +595,7 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
588 595
589 /* Free the block */ 596 /* Free the block */
590 597
591 ACPI_MEM_FREE(gpe_xrupt); 598 ACPI_FREE(gpe_xrupt);
592 return_ACPI_STATUS(AE_OK); 599 return_ACPI_STATUS(AE_OK);
593} 600}
594 601
@@ -614,7 +621,7 @@ acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
614 acpi_status status; 621 acpi_status status;
615 acpi_cpu_flags flags; 622 acpi_cpu_flags flags;
616 623
617 ACPI_FUNCTION_TRACE("ev_install_gpe_block"); 624 ACPI_FUNCTION_TRACE(ev_install_gpe_block);
618 625
619 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); 626 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
620 if (ACPI_FAILURE(status)) { 627 if (ACPI_FAILURE(status)) {
@@ -667,7 +674,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
667 acpi_status status; 674 acpi_status status;
668 acpi_cpu_flags flags; 675 acpi_cpu_flags flags;
669 676
670 ACPI_FUNCTION_TRACE("ev_install_gpe_block"); 677 ACPI_FUNCTION_TRACE(ev_install_gpe_block);
671 678
672 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); 679 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
673 if (ACPI_FAILURE(status)) { 680 if (ACPI_FAILURE(status)) {
@@ -679,6 +686,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
679 status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block); 686 status = acpi_hw_disable_gpe_block(gpe_block->xrupt_block, gpe_block);
680 687
681 if (!gpe_block->previous && !gpe_block->next) { 688 if (!gpe_block->previous && !gpe_block->next) {
689
682 /* This is the last gpe_block on this interrupt */ 690 /* This is the last gpe_block on this interrupt */
683 691
684 status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block); 692 status = acpi_ev_delete_gpe_xrupt(gpe_block->xrupt_block);
@@ -704,9 +712,9 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
704 712
705 /* Free the gpe_block */ 713 /* Free the gpe_block */
706 714
707 ACPI_MEM_FREE(gpe_block->register_info); 715 ACPI_FREE(gpe_block->register_info);
708 ACPI_MEM_FREE(gpe_block->event_info); 716 ACPI_FREE(gpe_block->event_info);
709 ACPI_MEM_FREE(gpe_block); 717 ACPI_FREE(gpe_block);
710 718
711 unlock_and_exit: 719 unlock_and_exit:
712 status = acpi_ut_release_mutex(ACPI_MTX_EVENTS); 720 status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
@@ -736,17 +744,17 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
736 acpi_native_uint j; 744 acpi_native_uint j;
737 acpi_status status; 745 acpi_status status;
738 746
739 ACPI_FUNCTION_TRACE("ev_create_gpe_info_blocks"); 747 ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
740 748
741 /* Allocate the GPE register information block */ 749 /* Allocate the GPE register information block */
742 750
743 gpe_register_info = ACPI_MEM_CALLOCATE((acpi_size) gpe_block-> 751 gpe_register_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->
744 register_count * 752 register_count *
745 sizeof(struct 753 sizeof(struct
746 acpi_gpe_register_info)); 754 acpi_gpe_register_info));
747 if (!gpe_register_info) { 755 if (!gpe_register_info) {
748 ACPI_ERROR((AE_INFO, 756 ACPI_ERROR((AE_INFO,
749 "Could not allocate the gpe_register_info table")); 757 "Could not allocate the GpeRegisterInfo table"));
750 return_ACPI_STATUS(AE_NO_MEMORY); 758 return_ACPI_STATUS(AE_NO_MEMORY);
751 } 759 }
752 760
@@ -754,13 +762,14 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
754 * Allocate the GPE event_info block. There are eight distinct GPEs 762 * Allocate the GPE event_info block. There are eight distinct GPEs
755 * per register. Initialization to zeros is sufficient. 763 * per register. Initialization to zeros is sufficient.
756 */ 764 */
757 gpe_event_info = ACPI_MEM_CALLOCATE(((acpi_size) gpe_block-> 765 gpe_event_info = ACPI_ALLOCATE_ZEROED(((acpi_size) gpe_block->
758 register_count * 766 register_count *
759 ACPI_GPE_REGISTER_WIDTH) * 767 ACPI_GPE_REGISTER_WIDTH) *
760 sizeof(struct acpi_gpe_event_info)); 768 sizeof(struct
769 acpi_gpe_event_info));
761 if (!gpe_event_info) { 770 if (!gpe_event_info) {
762 ACPI_ERROR((AE_INFO, 771 ACPI_ERROR((AE_INFO,
763 "Could not allocate the gpe_event_info table")); 772 "Could not allocate the GpeEventInfo table"));
764 status = AE_NO_MEMORY; 773 status = AE_NO_MEMORY;
765 goto error_exit; 774 goto error_exit;
766 } 775 }
@@ -780,6 +789,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
780 this_event = gpe_event_info; 789 this_event = gpe_event_info;
781 790
782 for (i = 0; i < gpe_block->register_count; i++) { 791 for (i = 0; i < gpe_block->register_count; i++) {
792
783 /* Init the register_info for this GPE register (8 GPEs) */ 793 /* Init the register_info for this GPE register (8 GPEs) */
784 794
785 this_register->base_gpe_number = 795 this_register->base_gpe_number =
@@ -839,10 +849,10 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
839 849
840 error_exit: 850 error_exit:
841 if (gpe_register_info) { 851 if (gpe_register_info) {
842 ACPI_MEM_FREE(gpe_register_info); 852 ACPI_FREE(gpe_register_info);
843 } 853 }
844 if (gpe_event_info) { 854 if (gpe_event_info) {
845 ACPI_MEM_FREE(gpe_event_info); 855 ACPI_FREE(gpe_event_info);
846 } 856 }
847 857
848 return_ACPI_STATUS(status); 858 return_ACPI_STATUS(status);
@@ -878,7 +888,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
878 acpi_status status; 888 acpi_status status;
879 struct acpi_gpe_block_info *gpe_block; 889 struct acpi_gpe_block_info *gpe_block;
880 890
881 ACPI_FUNCTION_TRACE("ev_create_gpe_block"); 891 ACPI_FUNCTION_TRACE(ev_create_gpe_block);
882 892
883 if (!register_count) { 893 if (!register_count) {
884 return_ACPI_STATUS(AE_OK); 894 return_ACPI_STATUS(AE_OK);
@@ -886,7 +896,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
886 896
887 /* Allocate a new GPE block */ 897 /* Allocate a new GPE block */
888 898
889 gpe_block = ACPI_MEM_CALLOCATE(sizeof(struct acpi_gpe_block_info)); 899 gpe_block = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_block_info));
890 if (!gpe_block) { 900 if (!gpe_block) {
891 return_ACPI_STATUS(AE_NO_MEMORY); 901 return_ACPI_STATUS(AE_NO_MEMORY);
892 } 902 }
@@ -906,7 +916,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
906 */ 916 */
907 status = acpi_ev_create_gpe_info_blocks(gpe_block); 917 status = acpi_ev_create_gpe_info_blocks(gpe_block);
908 if (ACPI_FAILURE(status)) { 918 if (ACPI_FAILURE(status)) {
909 ACPI_MEM_FREE(gpe_block); 919 ACPI_FREE(gpe_block);
910 return_ACPI_STATUS(status); 920 return_ACPI_STATUS(status);
911 } 921 }
912 922
@@ -914,7 +924,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
914 924
915 status = acpi_ev_install_gpe_block(gpe_block, interrupt_number); 925 status = acpi_ev_install_gpe_block(gpe_block, interrupt_number);
916 if (ACPI_FAILURE(status)) { 926 if (ACPI_FAILURE(status)) {
917 ACPI_MEM_FREE(gpe_block); 927 ACPI_FREE(gpe_block);
918 return_ACPI_STATUS(status); 928 return_ACPI_STATUS(status);
919 } 929 }
920 930
@@ -971,7 +981,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
971 acpi_native_uint i; 981 acpi_native_uint i;
972 acpi_native_uint j; 982 acpi_native_uint j;
973 983
974 ACPI_FUNCTION_TRACE("ev_initialize_gpe_block"); 984 ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
975 985
976 /* Ignore a null GPE block (e.g., if no GPE block 1 exists) */ 986 /* Ignore a null GPE block (e.g., if no GPE block 1 exists) */
977 987
@@ -1013,6 +1023,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
1013 1023
1014 for (i = 0; i < gpe_block->register_count; i++) { 1024 for (i = 0; i < gpe_block->register_count; i++) {
1015 for (j = 0; j < 8; j++) { 1025 for (j = 0; j < 8; j++) {
1026
1016 /* Get the info block for this particular GPE */ 1027 /* Get the info block for this particular GPE */
1017 1028
1018 gpe_event_info = 1029 gpe_event_info =
@@ -1040,7 +1051,7 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
1040 1051
1041 status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block); 1052 status = acpi_hw_enable_runtime_gpe_block(NULL, gpe_block);
1042 if (ACPI_FAILURE(status)) { 1053 if (ACPI_FAILURE(status)) {
1043 ACPI_ERROR((AE_INFO, "Could not enable GPEs in gpe_block %p", 1054 ACPI_ERROR((AE_INFO, "Could not enable GPEs in GpeBlock %p",
1044 gpe_block)); 1055 gpe_block));
1045 } 1056 }
1046 1057
@@ -1066,7 +1077,7 @@ acpi_status acpi_ev_gpe_initialize(void)
1066 u32 gpe_number_max = 0; 1077 u32 gpe_number_max = 0;
1067 acpi_status status; 1078 acpi_status status;
1068 1079
1069 ACPI_FUNCTION_TRACE("ev_gpe_initialize"); 1080 ACPI_FUNCTION_TRACE(ev_gpe_initialize);
1070 1081
1071 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 1082 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
1072 if (ACPI_FAILURE(status)) { 1083 if (ACPI_FAILURE(status)) {
@@ -1099,6 +1110,7 @@ acpi_status acpi_ev_gpe_initialize(void)
1099 * particular block is not supported. 1110 * particular block is not supported.
1100 */ 1111 */
1101 if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) { 1112 if (acpi_gbl_FADT->gpe0_blk_len && acpi_gbl_FADT->xgpe0_blk.address) {
1113
1102 /* GPE block 0 exists (has both length and address > 0) */ 1114 /* GPE block 0 exists (has both length and address > 0) */
1103 1115
1104 register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2); 1116 register_count0 = (u16) (acpi_gbl_FADT->gpe0_blk_len / 2);
@@ -1121,6 +1133,7 @@ acpi_status acpi_ev_gpe_initialize(void)
1121 } 1133 }
1122 1134
1123 if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) { 1135 if (acpi_gbl_FADT->gpe1_blk_len && acpi_gbl_FADT->xgpe1_blk.address) {
1136
1124 /* GPE block 1 exists (has both length and address > 0) */ 1137 /* GPE block 1 exists (has both length and address > 0) */
1125 1138
1126 register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2); 1139 register_count1 = (u16) (acpi_gbl_FADT->gpe1_blk_len / 2);
@@ -1168,6 +1181,7 @@ acpi_status acpi_ev_gpe_initialize(void)
1168 /* Exit if there are no GPE registers */ 1181 /* Exit if there are no GPE registers */
1169 1182
1170 if ((register_count0 + register_count1) == 0) { 1183 if ((register_count0 + register_count1) == 0) {
1184
1171 /* GPEs are not required by ACPI, this is OK */ 1185 /* GPEs are not required by ACPI, this is OK */
1172 1186
1173 ACPI_DEBUG_PRINT((ACPI_DB_INIT, 1187 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 0909ba69577e..6eef4efddcf6 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -49,12 +49,13 @@
49#define _COMPONENT ACPI_EVENTS 49#define _COMPONENT ACPI_EVENTS
50ACPI_MODULE_NAME("evmisc") 50ACPI_MODULE_NAME("evmisc")
51 51
52/* Names for Notify() values, used for debug output */
52#ifdef ACPI_DEBUG_OUTPUT 53#ifdef ACPI_DEBUG_OUTPUT
53static const char *acpi_notify_value_names[] = { 54static const char *acpi_notify_value_names[] = {
54 "Bus Check", 55 "Bus Check",
55 "Device Check", 56 "Device Check",
56 "Device Wake", 57 "Device Wake",
57 "Eject request", 58 "Eject Request",
58 "Device Check Light", 59 "Device Check Light",
59 "Frequency Mismatch", 60 "Frequency Mismatch",
60 "Bus Mode Mismatch", 61 "Bus Mode Mismatch",
@@ -124,7 +125,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
124 union acpi_generic_state *notify_info; 125 union acpi_generic_state *notify_info;
125 acpi_status status = AE_OK; 126 acpi_status status = AE_OK;
126 127
127 ACPI_FUNCTION_NAME("ev_queue_notify_request"); 128 ACPI_FUNCTION_NAME(ev_queue_notify_request);
128 129
129 /* 130 /*
130 * For value 3 (Ejection Request), some device method may need to be run. 131 * For value 3 (Ejection Request), some device method may need to be run.
@@ -150,6 +151,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
150 151
151 obj_desc = acpi_ns_get_attached_object(node); 152 obj_desc = acpi_ns_get_attached_object(node);
152 if (obj_desc) { 153 if (obj_desc) {
154
153 /* We have the notify object, Get the right handler */ 155 /* We have the notify object, Get the right handler */
154 156
155 switch (node->type) { 157 switch (node->type) {
@@ -184,14 +186,15 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
184 return (AE_NO_MEMORY); 186 return (AE_NO_MEMORY);
185 } 187 }
186 188
187 notify_info->common.data_type = ACPI_DESC_TYPE_STATE_NOTIFY; 189 notify_info->common.descriptor_type =
190 ACPI_DESC_TYPE_STATE_NOTIFY;
188 notify_info->notify.node = node; 191 notify_info->notify.node = node;
189 notify_info->notify.value = (u16) notify_value; 192 notify_info->notify.value = (u16) notify_value;
190 notify_info->notify.handler_obj = handler_obj; 193 notify_info->notify.handler_obj = handler_obj;
191 194
192 status = acpi_os_queue_for_execution(OSD_PRIORITY_HIGH, 195 status =
193 acpi_ev_notify_dispatch, 196 acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch,
194 notify_info); 197 notify_info);
195 if (ACPI_FAILURE(status)) { 198 if (ACPI_FAILURE(status)) {
196 acpi_ut_delete_generic_state(notify_info); 199 acpi_ut_delete_generic_state(notify_info);
197 } 200 }
@@ -240,6 +243,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
240 * to the device. 243 * to the device.
241 */ 244 */
242 if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) { 245 if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) {
246
243 /* Global system notification handler */ 247 /* Global system notification handler */
244 248
245 if (acpi_gbl_system_notify.handler) { 249 if (acpi_gbl_system_notify.handler) {
@@ -297,6 +301,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_global_lock_thread(void *context)
297 /* Signal threads that are waiting for the lock */ 301 /* Signal threads that are waiting for the lock */
298 302
299 if (acpi_gbl_global_lock_thread_count) { 303 if (acpi_gbl_global_lock_thread_count) {
304
300 /* Send sufficient units to the semaphore */ 305 /* Send sufficient units to the semaphore */
301 306
302 status = 307 status =
@@ -335,15 +340,16 @@ static u32 acpi_ev_global_lock_handler(void *context)
335 */ 340 */
336 ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired); 341 ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
337 if (acquired) { 342 if (acquired) {
343
338 /* Got the lock, now wake all threads waiting for it */ 344 /* Got the lock, now wake all threads waiting for it */
339 345
340 acpi_gbl_global_lock_acquired = TRUE; 346 acpi_gbl_global_lock_acquired = TRUE;
341 347
342 /* Run the Global Lock thread which will signal all waiting threads */ 348 /* Run the Global Lock thread which will signal all waiting threads */
343 349
344 status = acpi_os_queue_for_execution(OSD_PRIORITY_HIGH, 350 status =
345 acpi_ev_global_lock_thread, 351 acpi_os_execute(OSL_GLOBAL_LOCK_HANDLER,
346 context); 352 acpi_ev_global_lock_thread, context);
347 if (ACPI_FAILURE(status)) { 353 if (ACPI_FAILURE(status)) {
348 ACPI_EXCEPTION((AE_INFO, status, 354 ACPI_EXCEPTION((AE_INFO, status,
349 "Could not queue Global Lock thread")); 355 "Could not queue Global Lock thread"));
@@ -371,7 +377,7 @@ acpi_status acpi_ev_init_global_lock_handler(void)
371{ 377{
372 acpi_status status; 378 acpi_status status;
373 379
374 ACPI_FUNCTION_TRACE("ev_init_global_lock_handler"); 380 ACPI_FUNCTION_TRACE(ev_init_global_lock_handler);
375 381
376 acpi_gbl_global_lock_present = TRUE; 382 acpi_gbl_global_lock_present = TRUE;
377 status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL, 383 status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL,
@@ -413,7 +419,7 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
413 acpi_status status = AE_OK; 419 acpi_status status = AE_OK;
414 u8 acquired = FALSE; 420 u8 acquired = FALSE;
415 421
416 ACPI_FUNCTION_TRACE("ev_acquire_global_lock"); 422 ACPI_FUNCTION_TRACE(ev_acquire_global_lock);
417 423
418#ifndef ACPI_APPLICATION 424#ifndef ACPI_APPLICATION
419 /* Make sure that we actually have a global lock */ 425 /* Make sure that we actually have a global lock */
@@ -439,6 +445,7 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
439 445
440 ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired); 446 ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_common_fACS.global_lock, acquired);
441 if (acquired) { 447 if (acquired) {
448
442 /* We got the lock */ 449 /* We got the lock */
443 450
444 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 451 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -458,8 +465,9 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
458 * Acquire the global lock semaphore first. 465 * Acquire the global lock semaphore first.
459 * Since this wait will block, we must release the interpreter 466 * Since this wait will block, we must release the interpreter
460 */ 467 */
461 status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore, 468 status =
462 timeout); 469 acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
470 timeout);
463 return_ACPI_STATUS(status); 471 return_ACPI_STATUS(status);
464} 472}
465 473
@@ -480,7 +488,7 @@ acpi_status acpi_ev_release_global_lock(void)
480 u8 pending = FALSE; 488 u8 pending = FALSE;
481 acpi_status status = AE_OK; 489 acpi_status status = AE_OK;
482 490
483 ACPI_FUNCTION_TRACE("ev_release_global_lock"); 491 ACPI_FUNCTION_TRACE(ev_release_global_lock);
484 492
485 if (!acpi_gbl_global_lock_thread_count) { 493 if (!acpi_gbl_global_lock_thread_count) {
486 ACPI_WARNING((AE_INFO, 494 ACPI_WARNING((AE_INFO,
@@ -492,6 +500,7 @@ acpi_status acpi_ev_release_global_lock(void)
492 500
493 acpi_gbl_global_lock_thread_count--; 501 acpi_gbl_global_lock_thread_count--;
494 if (acpi_gbl_global_lock_thread_count) { 502 if (acpi_gbl_global_lock_thread_count) {
503
495 /* There are still some threads holding the lock, cannot release */ 504 /* There are still some threads holding the lock, cannot release */
496 505
497 return_ACPI_STATUS(AE_OK); 506 return_ACPI_STATUS(AE_OK);
@@ -533,7 +542,7 @@ void acpi_ev_terminate(void)
533 acpi_native_uint i; 542 acpi_native_uint i;
534 acpi_status status; 543 acpi_status status;
535 544
536 ACPI_FUNCTION_TRACE("ev_terminate"); 545 ACPI_FUNCTION_TRACE(ev_terminate);
537 546
538 if (acpi_gbl_events_initialized) { 547 if (acpi_gbl_events_initialized) {
539 /* 548 /*
@@ -573,7 +582,7 @@ void acpi_ev_terminate(void)
573 if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) { 582 if (acpi_gbl_original_mode == ACPI_SYS_MODE_LEGACY) {
574 status = acpi_disable(); 583 status = acpi_disable();
575 if (ACPI_FAILURE(status)) { 584 if (ACPI_FAILURE(status)) {
576 ACPI_WARNING((AE_INFO, "acpi_disable failed")); 585 ACPI_WARNING((AE_INFO, "AcpiDisable failed"));
577 } 586 }
578 } 587 }
579 return_VOID; 588 return_VOID;
diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c
index 6da58e776413..094a17e4c86d 100644
--- a/drivers/acpi/events/evregion.c
+++ b/drivers/acpi/events/evregion.c
@@ -83,7 +83,7 @@ acpi_status acpi_ev_install_region_handlers(void)
83 acpi_status status; 83 acpi_status status;
84 acpi_native_uint i; 84 acpi_native_uint i;
85 85
86 ACPI_FUNCTION_TRACE("ev_install_region_handlers"); 86 ACPI_FUNCTION_TRACE(ev_install_region_handlers);
87 87
88 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 88 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
89 if (ACPI_FAILURE(status)) { 89 if (ACPI_FAILURE(status)) {
@@ -153,7 +153,7 @@ acpi_status acpi_ev_initialize_op_regions(void)
153 acpi_status status; 153 acpi_status status;
154 acpi_native_uint i; 154 acpi_native_uint i;
155 155
156 ACPI_FUNCTION_TRACE("ev_initialize_op_regions"); 156 ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
157 157
158 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 158 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
159 if (ACPI_FAILURE(status)) { 159 if (ACPI_FAILURE(status)) {
@@ -164,6 +164,7 @@ acpi_status acpi_ev_initialize_op_regions(void)
164 * Run the _REG methods for op_regions in each default address space 164 * Run the _REG methods for op_regions in each default address space
165 */ 165 */
166 for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) { 166 for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
167
167 /* TBD: Make sure handler is the DEFAULT handler, otherwise 168 /* TBD: Make sure handler is the DEFAULT handler, otherwise
168 * _REG will have already been run. 169 * _REG will have already been run.
169 */ 170 */
@@ -192,12 +193,12 @@ acpi_status acpi_ev_initialize_op_regions(void)
192acpi_status 193acpi_status
193acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) 194acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
194{ 195{
195 struct acpi_parameter_info info; 196 struct acpi_evaluate_info *info;
196 union acpi_operand_object *params[3]; 197 union acpi_operand_object *args[3];
197 union acpi_operand_object *region_obj2; 198 union acpi_operand_object *region_obj2;
198 acpi_status status; 199 acpi_status status;
199 200
200 ACPI_FUNCTION_TRACE("ev_execute_reg_method"); 201 ACPI_FUNCTION_TRACE(ev_execute_reg_method);
201 202
202 region_obj2 = acpi_ns_get_secondary_object(region_obj); 203 region_obj2 = acpi_ns_get_secondary_object(region_obj);
203 if (!region_obj2) { 204 if (!region_obj2) {
@@ -208,48 +209,60 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
208 return_ACPI_STATUS(AE_OK); 209 return_ACPI_STATUS(AE_OK);
209 } 210 }
210 211
212 /* Allocate and initialize the evaluation information block */
213
214 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
215 if (!info) {
216 return_ACPI_STATUS(AE_NO_MEMORY);
217 }
218
219 info->prefix_node = region_obj2->extra.method_REG;
220 info->pathname = NULL;
221 info->parameters = args;
222 info->parameter_type = ACPI_PARAM_ARGS;
223 info->flags = ACPI_IGNORE_RETURN_VALUE;
224
211 /* 225 /*
212 * The _REG method has two arguments: 226 * The _REG method has two arguments:
213 * 227 *
214 * Arg0, Integer: Operation region space ID 228 * Arg0 - Integer:
215 * Same value as region_obj->Region.space_id 229 * Operation region space ID Same value as region_obj->Region.space_id
216 * Arg1, Integer: connection status 230 *
217 * 1 for connecting the handler, 231 * Arg1 - Integer:
218 * 0 for disconnecting the handler 232 * connection status 1 for connecting the handler, 0 for disconnecting
219 * Passed as a parameter 233 * the handler (Passed as a parameter)
220 */ 234 */
221 params[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); 235 args[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
222 if (!params[0]) { 236 if (!args[0]) {
223 return_ACPI_STATUS(AE_NO_MEMORY); 237 status = AE_NO_MEMORY;
238 goto cleanup1;
224 } 239 }
225 240
226 params[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); 241 args[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
227 if (!params[1]) { 242 if (!args[1]) {
228 status = AE_NO_MEMORY; 243 status = AE_NO_MEMORY;
229 goto cleanup; 244 goto cleanup2;
230 } 245 }
231 246
232 /* Setup the parameter objects */ 247 /* Setup the parameter objects */
233 248
234 params[0]->integer.value = region_obj->region.space_id; 249 args[0]->integer.value = region_obj->region.space_id;
235 params[1]->integer.value = function; 250 args[1]->integer.value = function;
236 params[2] = NULL; 251 args[2] = NULL;
237
238 info.node = region_obj2->extra.method_REG;
239 info.parameters = params;
240 info.parameter_type = ACPI_PARAM_ARGS;
241 252
242 /* Execute the method, no return value */ 253 /* Execute the method, no return value */
243 254
244 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname 255 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
245 (ACPI_TYPE_METHOD, info.node, NULL)); 256 (ACPI_TYPE_METHOD, info->prefix_node, NULL));
246 status = acpi_ns_evaluate_by_handle(&info);
247 257
248 acpi_ut_remove_reference(params[1]); 258 status = acpi_ns_evaluate(info);
259 acpi_ut_remove_reference(args[1]);
249 260
250 cleanup: 261 cleanup2:
251 acpi_ut_remove_reference(params[0]); 262 acpi_ut_remove_reference(args[0]);
252 263
264 cleanup1:
265 ACPI_FREE(info);
253 return_ACPI_STATUS(status); 266 return_ACPI_STATUS(status);
254} 267}
255 268
@@ -261,7 +274,8 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
261 * Function - Read or Write operation 274 * Function - Read or Write operation
262 * Address - Where in the space to read or write 275 * Address - Where in the space to read or write
263 * bit_width - Field width in bits (8, 16, 32, or 64) 276 * bit_width - Field width in bits (8, 16, 32, or 64)
264 * Value - Pointer to in or out value 277 * Value - Pointer to in or out value, must be
278 * full 64-bit acpi_integer
265 * 279 *
266 * RETURN: Status 280 * RETURN: Status
267 * 281 *
@@ -274,7 +288,7 @@ acpi_status
274acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, 288acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
275 u32 function, 289 u32 function,
276 acpi_physical_address address, 290 acpi_physical_address address,
277 u32 bit_width, void *value) 291 u32 bit_width, acpi_integer * value)
278{ 292{
279 acpi_status status; 293 acpi_status status;
280 acpi_status status2; 294 acpi_status status2;
@@ -284,7 +298,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
284 union acpi_operand_object *region_obj2; 298 union acpi_operand_object *region_obj2;
285 void *region_context = NULL; 299 void *region_context = NULL;
286 300
287 ACPI_FUNCTION_TRACE("ev_address_space_dispatch"); 301 ACPI_FUNCTION_TRACE(ev_address_space_dispatch);
288 302
289 region_obj2 = acpi_ns_get_secondary_object(region_obj); 303 region_obj2 = acpi_ns_get_secondary_object(region_obj);
290 if (!region_obj2) { 304 if (!region_obj2) {
@@ -315,6 +329,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
315 */ 329 */
316 region_setup = handler_desc->address_space.setup; 330 region_setup = handler_desc->address_space.setup;
317 if (!region_setup) { 331 if (!region_setup) {
332
318 /* No initialization routine, exit with error */ 333 /* No initialization routine, exit with error */
319 334
320 ACPI_ERROR((AE_INFO, 335 ACPI_ERROR((AE_INFO,
@@ -361,9 +376,10 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
361 region_obj->region.flags |= AOPOBJ_SETUP_COMPLETE; 376 region_obj->region.flags |= AOPOBJ_SETUP_COMPLETE;
362 377
363 if (region_obj2->extra.region_context) { 378 if (region_obj2->extra.region_context) {
379
364 /* The handler for this region was already installed */ 380 /* The handler for this region was already installed */
365 381
366 ACPI_MEM_FREE(region_context); 382 ACPI_FREE(region_context);
367 } else { 383 } else {
368 /* 384 /*
369 * Save the returned context for use in all accesses to 385 * Save the returned context for use in all accesses to
@@ -386,9 +402,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
386 acpi_ut_get_region_name(region_obj->region. 402 acpi_ut_get_region_name(region_obj->region.
387 space_id))); 403 space_id)));
388 404
389 if (! 405 if (!(handler_desc->address_space.handler_flags &
390 (handler_desc->address_space. 406 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
391 hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
392 /* 407 /*
393 * For handlers other than the default (supplied) handlers, we must 408 * For handlers other than the default (supplied) handlers, we must
394 * exit the interpreter because the handler *might* block -- we don't 409 * exit the interpreter because the handler *might* block -- we don't
@@ -409,9 +424,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
409 space_id))); 424 space_id)));
410 } 425 }
411 426
412 if (! 427 if (!(handler_desc->address_space.handler_flags &
413 (handler_desc->address_space. 428 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
414 hflags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) {
415 /* 429 /*
416 * We just returned from a non-default handler, we must re-enter the 430 * We just returned from a non-default handler, we must re-enter the
417 * interpreter 431 * interpreter
@@ -451,7 +465,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
451 union acpi_operand_object *region_obj2; 465 union acpi_operand_object *region_obj2;
452 acpi_status status; 466 acpi_status status;
453 467
454 ACPI_FUNCTION_TRACE("ev_detach_region"); 468 ACPI_FUNCTION_TRACE(ev_detach_region);
455 469
456 region_obj2 = acpi_ns_get_secondary_object(region_obj); 470 region_obj2 = acpi_ns_get_secondary_object(region_obj);
457 if (!region_obj2) { 471 if (!region_obj2) {
@@ -463,6 +477,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
463 477
464 handler_obj = region_obj->region.handler; 478 handler_obj = region_obj->region.handler;
465 if (!handler_obj) { 479 if (!handler_obj) {
480
466 /* This region has no handler, all done */ 481 /* This region has no handler, all done */
467 482
468 return_VOID; 483 return_VOID;
@@ -474,6 +489,7 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
474 last_obj_ptr = &handler_obj->address_space.region_list; 489 last_obj_ptr = &handler_obj->address_space.region_list;
475 490
476 while (obj_desc) { 491 while (obj_desc) {
492
477 /* Is this the correct Region? */ 493 /* Is this the correct Region? */
478 494
479 if (obj_desc == region_obj) { 495 if (obj_desc == region_obj) {
@@ -583,7 +599,7 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj,
583 u8 acpi_ns_is_locked) 599 u8 acpi_ns_is_locked)
584{ 600{
585 601
586 ACPI_FUNCTION_TRACE("ev_attach_region"); 602 ACPI_FUNCTION_TRACE(ev_attach_region);
587 603
588 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, 604 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
589 "Adding Region [%4.4s] %p to address handler %p [%s]\n", 605 "Adding Region [%4.4s] %p to address handler %p [%s]\n",
@@ -636,7 +652,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
636 struct acpi_namespace_node *node; 652 struct acpi_namespace_node *node;
637 acpi_status status; 653 acpi_status status;
638 654
639 ACPI_FUNCTION_NAME("ev_install_handler"); 655 ACPI_FUNCTION_NAME(ev_install_handler);
640 656
641 handler_obj = (union acpi_operand_object *)context; 657 handler_obj = (union acpi_operand_object *)context;
642 658
@@ -666,6 +682,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
666 682
667 obj_desc = acpi_ns_get_attached_object(node); 683 obj_desc = acpi_ns_get_attached_object(node);
668 if (!obj_desc) { 684 if (!obj_desc) {
685
669 /* No object, just exit */ 686 /* No object, just exit */
670 687
671 return (AE_OK); 688 return (AE_OK);
@@ -674,10 +691,12 @@ acpi_ev_install_handler(acpi_handle obj_handle,
674 /* Devices are handled different than regions */ 691 /* Devices are handled different than regions */
675 692
676 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_DEVICE) { 693 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_DEVICE) {
694
677 /* Check if this Device already has a handler for this address space */ 695 /* Check if this Device already has a handler for this address space */
678 696
679 next_handler_obj = obj_desc->device.handler; 697 next_handler_obj = obj_desc->device.handler;
680 while (next_handler_obj) { 698 while (next_handler_obj) {
699
681 /* Found a handler, is it for the same address space? */ 700 /* Found a handler, is it for the same address space? */
682 701
683 if (next_handler_obj->address_space.space_id == 702 if (next_handler_obj->address_space.space_id ==
@@ -764,9 +783,9 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
764 union acpi_operand_object *handler_obj; 783 union acpi_operand_object *handler_obj;
765 acpi_status status; 784 acpi_status status;
766 acpi_object_type type; 785 acpi_object_type type;
767 u16 flags = 0; 786 u8 flags = 0;
768 787
769 ACPI_FUNCTION_TRACE("ev_install_space_handler"); 788 ACPI_FUNCTION_TRACE(ev_install_space_handler);
770 789
771 /* 790 /*
772 * This registration is valid for only the types below 791 * This registration is valid for only the types below
@@ -839,6 +858,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
839 /* Walk the handler list for this device */ 858 /* Walk the handler list for this device */
840 859
841 while (handler_obj) { 860 while (handler_obj) {
861
842 /* Same space_id indicates a handler already installed */ 862 /* Same space_id indicates a handler already installed */
843 863
844 if (handler_obj->address_space.space_id == space_id) { 864 if (handler_obj->address_space.space_id == space_id) {
@@ -921,7 +941,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
921 /* Init handler obj */ 941 /* Init handler obj */
922 942
923 handler_obj->address_space.space_id = (u8) space_id; 943 handler_obj->address_space.space_id = (u8) space_id;
924 handler_obj->address_space.hflags = flags; 944 handler_obj->address_space.handler_flags = flags;
925 handler_obj->address_space.region_list = NULL; 945 handler_obj->address_space.region_list = NULL;
926 handler_obj->address_space.node = node; 946 handler_obj->address_space.node = node;
927 handler_obj->address_space.handler = handler; 947 handler_obj->address_space.handler = handler;
@@ -979,7 +999,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
979{ 999{
980 acpi_status status; 1000 acpi_status status;
981 1001
982 ACPI_FUNCTION_TRACE("ev_execute_reg_methods"); 1002 ACPI_FUNCTION_TRACE(ev_execute_reg_methods);
983 1003
984 /* 1004 /*
985 * Run all _REG methods for all Operation Regions for this 1005 * Run all _REG methods for all Operation Regions for this
@@ -1001,7 +1021,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
1001 * 1021 *
1002 * PARAMETERS: walk_namespace callback 1022 * PARAMETERS: walk_namespace callback
1003 * 1023 *
1004 * DESCRIPTION: Run _REg method for region objects of the requested space_iD 1024 * DESCRIPTION: Run _REG method for region objects of the requested space_iD
1005 * 1025 *
1006 ******************************************************************************/ 1026 ******************************************************************************/
1007 1027
@@ -1035,6 +1055,7 @@ acpi_ev_reg_run(acpi_handle obj_handle,
1035 1055
1036 obj_desc = acpi_ns_get_attached_object(node); 1056 obj_desc = acpi_ns_get_attached_object(node);
1037 if (!obj_desc) { 1057 if (!obj_desc) {
1058
1038 /* No object, just exit */ 1059 /* No object, just exit */
1039 1060
1040 return (AE_OK); 1061 return (AE_OK);
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index baed8c1a1b9f..5b3c7a85eb9a 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -71,11 +71,22 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
71 (union acpi_operand_object *)handle; 71 (union acpi_operand_object *)handle;
72 struct acpi_mem_space_context *local_region_context; 72 struct acpi_mem_space_context *local_region_context;
73 73
74 ACPI_FUNCTION_TRACE("ev_system_memory_region_setup"); 74 ACPI_FUNCTION_TRACE(ev_system_memory_region_setup);
75 75
76 if (function == ACPI_REGION_DEACTIVATE) { 76 if (function == ACPI_REGION_DEACTIVATE) {
77 if (*region_context) { 77 if (*region_context) {
78 ACPI_MEM_FREE(*region_context); 78 local_region_context =
79 (struct acpi_mem_space_context *)*region_context;
80
81 /* Delete a cached mapping if present */
82
83 if (local_region_context->mapped_length) {
84 acpi_os_unmap_memory(local_region_context->
85 mapped_logical_address,
86 local_region_context->
87 mapped_length);
88 }
89 ACPI_FREE(local_region_context);
79 *region_context = NULL; 90 *region_context = NULL;
80 } 91 }
81 return_ACPI_STATUS(AE_OK); 92 return_ACPI_STATUS(AE_OK);
@@ -84,7 +95,7 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
84 /* Create a new context */ 95 /* Create a new context */
85 96
86 local_region_context = 97 local_region_context =
87 ACPI_MEM_CALLOCATE(sizeof(struct acpi_mem_space_context)); 98 ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_mem_space_context));
88 if (!(local_region_context)) { 99 if (!(local_region_context)) {
89 return_ACPI_STATUS(AE_NO_MEMORY); 100 return_ACPI_STATUS(AE_NO_MEMORY);
90 } 101 }
@@ -118,7 +129,7 @@ acpi_ev_io_space_region_setup(acpi_handle handle,
118 u32 function, 129 u32 function,
119 void *handler_context, void **region_context) 130 void *handler_context, void **region_context)
120{ 131{
121 ACPI_FUNCTION_TRACE("ev_io_space_region_setup"); 132 ACPI_FUNCTION_TRACE(ev_io_space_region_setup);
122 133
123 if (function == ACPI_REGION_DEACTIVATE) { 134 if (function == ACPI_REGION_DEACTIVATE) {
124 *region_context = NULL; 135 *region_context = NULL;
@@ -161,7 +172,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
161 (union acpi_operand_object *)handle; 172 (union acpi_operand_object *)handle;
162 struct acpi_device_id object_hID; 173 struct acpi_device_id object_hID;
163 174
164 ACPI_FUNCTION_TRACE("ev_pci_config_region_setup"); 175 ACPI_FUNCTION_TRACE(ev_pci_config_region_setup);
165 176
166 handler_obj = region_obj->region.handler; 177 handler_obj = region_obj->region.handler;
167 if (!handler_obj) { 178 if (!handler_obj) {
@@ -178,7 +189,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
178 *region_context = NULL; 189 *region_context = NULL;
179 if (function == ACPI_REGION_DEACTIVATE) { 190 if (function == ACPI_REGION_DEACTIVATE) {
180 if (pci_id) { 191 if (pci_id) {
181 ACPI_MEM_FREE(pci_id); 192 ACPI_FREE(pci_id);
182 } 193 }
183 return_ACPI_STATUS(status); 194 return_ACPI_STATUS(status);
184 } 195 }
@@ -199,6 +210,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
199 * handlers with that device. 210 * handlers with that device.
200 */ 211 */
201 if (handler_obj->address_space.node == acpi_gbl_root_node) { 212 if (handler_obj->address_space.node == acpi_gbl_root_node) {
213
202 /* Start search from the parent object */ 214 /* Start search from the parent object */
203 215
204 pci_root_node = parent_node; 216 pci_root_node = parent_node;
@@ -220,6 +232,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
220 PCI_EXPRESS_ROOT_HID_STRING, 232 PCI_EXPRESS_ROOT_HID_STRING,
221 sizeof(PCI_EXPRESS_ROOT_HID_STRING))))) 233 sizeof(PCI_EXPRESS_ROOT_HID_STRING)))))
222 { 234 {
235
223 /* Install a handler for this PCI root bridge */ 236 /* Install a handler for this PCI root bridge */
224 237
225 status = 238 status =
@@ -235,7 +248,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
235 } else { 248 } else {
236 ACPI_EXCEPTION((AE_INFO, 249 ACPI_EXCEPTION((AE_INFO,
237 status, 250 status,
238 "Could not install pci_config handler for Root Bridge %4.4s", 251 "Could not install PciConfig handler for Root Bridge %4.4s",
239 acpi_ut_get_node_name 252 acpi_ut_get_node_name
240 (pci_root_node))); 253 (pci_root_node)));
241 } 254 }
@@ -262,7 +275,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
262 275
263 /* Region is still not initialized. Create a new context */ 276 /* Region is still not initialized. Create a new context */
264 277
265 pci_id = ACPI_MEM_CALLOCATE(sizeof(struct acpi_pci_id)); 278 pci_id = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pci_id));
266 if (!pci_id) { 279 if (!pci_id) {
267 return_ACPI_STATUS(AE_NO_MEMORY); 280 return_ACPI_STATUS(AE_NO_MEMORY);
268 } 281 }
@@ -337,7 +350,7 @@ acpi_ev_pci_bar_region_setup(acpi_handle handle,
337 u32 function, 350 u32 function,
338 void *handler_context, void **region_context) 351 void *handler_context, void **region_context)
339{ 352{
340 ACPI_FUNCTION_TRACE("ev_pci_bar_region_setup"); 353 ACPI_FUNCTION_TRACE(ev_pci_bar_region_setup);
341 354
342 return_ACPI_STATUS(AE_OK); 355 return_ACPI_STATUS(AE_OK);
343} 356}
@@ -364,7 +377,7 @@ acpi_ev_cmos_region_setup(acpi_handle handle,
364 u32 function, 377 u32 function,
365 void *handler_context, void **region_context) 378 void *handler_context, void **region_context)
366{ 379{
367 ACPI_FUNCTION_TRACE("ev_cmos_region_setup"); 380 ACPI_FUNCTION_TRACE(ev_cmos_region_setup);
368 381
369 return_ACPI_STATUS(AE_OK); 382 return_ACPI_STATUS(AE_OK);
370} 383}
@@ -389,7 +402,7 @@ acpi_ev_default_region_setup(acpi_handle handle,
389 u32 function, 402 u32 function,
390 void *handler_context, void **region_context) 403 void *handler_context, void **region_context)
391{ 404{
392 ACPI_FUNCTION_TRACE("ev_default_region_setup"); 405 ACPI_FUNCTION_TRACE(ev_default_region_setup);
393 406
394 if (function == ACPI_REGION_DEACTIVATE) { 407 if (function == ACPI_REGION_DEACTIVATE) {
395 *region_context = NULL; 408 *region_context = NULL;
@@ -435,7 +448,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
435 acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; 448 acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG;
436 union acpi_operand_object *region_obj2; 449 union acpi_operand_object *region_obj2;
437 450
438 ACPI_FUNCTION_TRACE_U32("ev_initialize_region", acpi_ns_locked); 451 ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked);
439 452
440 if (!region_obj) { 453 if (!region_obj) {
441 return_ACPI_STATUS(AE_BAD_PARAMETER); 454 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -462,8 +475,9 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
462 475
463 /* Find any "_REG" method associated with this region definition */ 476 /* Find any "_REG" method associated with this region definition */
464 477
465 status = acpi_ns_search_node(*reg_name_ptr, node, 478 status =
466 ACPI_TYPE_METHOD, &method_node); 479 acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD,
480 &method_node);
467 if (ACPI_SUCCESS(status)) { 481 if (ACPI_SUCCESS(status)) {
468 /* 482 /*
469 * The _REG method is optional and there can be only one per region 483 * The _REG method is optional and there can be only one per region
@@ -478,11 +492,13 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
478 * ie: acpi_gbl_root_node->parent_entry being set to NULL 492 * ie: acpi_gbl_root_node->parent_entry being set to NULL
479 */ 493 */
480 while (node) { 494 while (node) {
495
481 /* Check to see if a handler exists */ 496 /* Check to see if a handler exists */
482 497
483 handler_obj = NULL; 498 handler_obj = NULL;
484 obj_desc = acpi_ns_get_attached_object(node); 499 obj_desc = acpi_ns_get_attached_object(node);
485 if (obj_desc) { 500 if (obj_desc) {
501
486 /* Can only be a handler if the object exists */ 502 /* Can only be a handler if the object exists */
487 503
488 switch (node->type) { 504 switch (node->type) {
@@ -507,10 +523,12 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
507 } 523 }
508 524
509 while (handler_obj) { 525 while (handler_obj) {
526
510 /* Is this handler of the correct type? */ 527 /* Is this handler of the correct type? */
511 528
512 if (handler_obj->address_space.space_id == 529 if (handler_obj->address_space.space_id ==
513 space_id) { 530 space_id) {
531
514 /* Found correct handler */ 532 /* Found correct handler */
515 533
516 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, 534 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
@@ -571,7 +589,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
571 /* If we get here, there is no handler for this region */ 589 /* If we get here, there is no handler for this region */
572 590
573 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, 591 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
574 "No handler for region_type %s(%X) (region_obj %p)\n", 592 "No handler for RegionType %s(%X) (RegionObj %p)\n",
575 acpi_ut_get_region_name(space_id), space_id, 593 acpi_ut_get_region_name(space_id), space_id,
576 region_obj)); 594 region_obj));
577 595
diff --git a/drivers/acpi/events/evsci.c b/drivers/acpi/events/evsci.c
index 9a622169008a..8106215ad554 100644
--- a/drivers/acpi/events/evsci.c
+++ b/drivers/acpi/events/evsci.c
@@ -69,7 +69,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context)
69 struct acpi_gpe_xrupt_info *gpe_xrupt_list = context; 69 struct acpi_gpe_xrupt_info *gpe_xrupt_list = context;
70 u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED; 70 u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
71 71
72 ACPI_FUNCTION_TRACE("ev_sci_xrupt_handler"); 72 ACPI_FUNCTION_TRACE(ev_sci_xrupt_handler);
73 73
74 /* 74 /*
75 * We are guaranteed by the ACPI CA initialization/shutdown code that 75 * We are guaranteed by the ACPI CA initialization/shutdown code that
@@ -108,7 +108,7 @@ u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context)
108 struct acpi_gpe_xrupt_info *gpe_xrupt_list = context; 108 struct acpi_gpe_xrupt_info *gpe_xrupt_list = context;
109 u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED; 109 u32 interrupt_handled = ACPI_INTERRUPT_NOT_HANDLED;
110 110
111 ACPI_FUNCTION_TRACE("ev_gpe_xrupt_handler"); 111 ACPI_FUNCTION_TRACE(ev_gpe_xrupt_handler);
112 112
113 /* 113 /*
114 * We are guaranteed by the ACPI CA initialization/shutdown code that 114 * We are guaranteed by the ACPI CA initialization/shutdown code that
@@ -140,7 +140,7 @@ u32 acpi_ev_install_sci_handler(void)
140{ 140{
141 u32 status = AE_OK; 141 u32 status = AE_OK;
142 142
143 ACPI_FUNCTION_TRACE("ev_install_sci_handler"); 143 ACPI_FUNCTION_TRACE(ev_install_sci_handler);
144 144
145 status = acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT->sci_int, 145 status = acpi_os_install_interrupt_handler((u32) acpi_gbl_FADT->sci_int,
146 acpi_ev_sci_xrupt_handler, 146 acpi_ev_sci_xrupt_handler,
@@ -171,7 +171,7 @@ acpi_status acpi_ev_remove_sci_handler(void)
171{ 171{
172 acpi_status status; 172 acpi_status status;
173 173
174 ACPI_FUNCTION_TRACE("ev_remove_sci_handler"); 174 ACPI_FUNCTION_TRACE(ev_remove_sci_handler);
175 175
176 /* Just let the OS remove the handler and disable the level */ 176 /* Just let the OS remove the handler and disable the level */
177 177
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index b38b39dde543..76c34a66e0e0 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -41,8 +41,6 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/acnamesp.h> 45#include <acpi/acnamesp.h>
48#include <acpi/acevents.h> 46#include <acpi/acevents.h>
@@ -68,7 +66,7 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
68{ 66{
69 acpi_status status; 67 acpi_status status;
70 68
71 ACPI_FUNCTION_TRACE("acpi_install_exception_handler"); 69 ACPI_FUNCTION_TRACE(acpi_install_exception_handler);
72 70
73 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); 71 status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
74 if (ACPI_FAILURE(status)) { 72 if (ACPI_FAILURE(status)) {
@@ -90,6 +88,8 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
90 (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); 88 (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
91 return_ACPI_STATUS(status); 89 return_ACPI_STATUS(status);
92} 90}
91
92ACPI_EXPORT_SYMBOL(acpi_install_exception_handler)
93#endif /* ACPI_FUTURE_USAGE */ 93#endif /* ACPI_FUTURE_USAGE */
94 94
95/******************************************************************************* 95/*******************************************************************************
@@ -107,14 +107,13 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler)
107 * event. 107 * event.
108 * 108 *
109 ******************************************************************************/ 109 ******************************************************************************/
110
111acpi_status 110acpi_status
112acpi_install_fixed_event_handler(u32 event, 111acpi_install_fixed_event_handler(u32 event,
113 acpi_event_handler handler, void *context) 112 acpi_event_handler handler, void *context)
114{ 113{
115 acpi_status status; 114 acpi_status status;
116 115
117 ACPI_FUNCTION_TRACE("acpi_install_fixed_event_handler"); 116 ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler);
118 117
119 /* Parameter validation */ 118 /* Parameter validation */
120 119
@@ -161,7 +160,7 @@ acpi_install_fixed_event_handler(u32 event,
161 return_ACPI_STATUS(status); 160 return_ACPI_STATUS(status);
162} 161}
163 162
164EXPORT_SYMBOL(acpi_install_fixed_event_handler); 163ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler)
165 164
166/******************************************************************************* 165/*******************************************************************************
167 * 166 *
@@ -175,13 +174,12 @@ EXPORT_SYMBOL(acpi_install_fixed_event_handler);
175 * DESCRIPTION: Disables the event and unregisters the event handler. 174 * DESCRIPTION: Disables the event and unregisters the event handler.
176 * 175 *
177 ******************************************************************************/ 176 ******************************************************************************/
178
179acpi_status 177acpi_status
180acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler) 178acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
181{ 179{
182 acpi_status status = AE_OK; 180 acpi_status status = AE_OK;
183 181
184 ACPI_FUNCTION_TRACE("acpi_remove_fixed_event_handler"); 182 ACPI_FUNCTION_TRACE(acpi_remove_fixed_event_handler);
185 183
186 /* Parameter validation */ 184 /* Parameter validation */
187 185
@@ -216,7 +214,7 @@ acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
216 return_ACPI_STATUS(status); 214 return_ACPI_STATUS(status);
217} 215}
218 216
219EXPORT_SYMBOL(acpi_remove_fixed_event_handler); 217ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler)
220 218
221/******************************************************************************* 219/*******************************************************************************
222 * 220 *
@@ -235,7 +233,6 @@ EXPORT_SYMBOL(acpi_remove_fixed_event_handler);
235 * DESCRIPTION: Install a handler for notifies on an ACPI device 233 * DESCRIPTION: Install a handler for notifies on an ACPI device
236 * 234 *
237 ******************************************************************************/ 235 ******************************************************************************/
238
239acpi_status 236acpi_status
240acpi_install_notify_handler(acpi_handle device, 237acpi_install_notify_handler(acpi_handle device,
241 u32 handler_type, 238 u32 handler_type,
@@ -246,7 +243,7 @@ acpi_install_notify_handler(acpi_handle device,
246 struct acpi_namespace_node *node; 243 struct acpi_namespace_node *node;
247 acpi_status status; 244 acpi_status status;
248 245
249 ACPI_FUNCTION_TRACE("acpi_install_notify_handler"); 246 ACPI_FUNCTION_TRACE(acpi_install_notify_handler);
250 247
251 /* Parameter validation */ 248 /* Parameter validation */
252 249
@@ -275,6 +272,7 @@ acpi_install_notify_handler(acpi_handle device,
275 * only one <external> global handler can be regsitered (per notify type). 272 * only one <external> global handler can be regsitered (per notify type).
276 */ 273 */
277 if (device == ACPI_ROOT_OBJECT) { 274 if (device == ACPI_ROOT_OBJECT) {
275
278 /* Make sure the handler is not already installed */ 276 /* Make sure the handler is not already installed */
279 277
280 if (((handler_type & ACPI_SYSTEM_NOTIFY) && 278 if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
@@ -317,6 +315,7 @@ acpi_install_notify_handler(acpi_handle device,
317 315
318 obj_desc = acpi_ns_get_attached_object(node); 316 obj_desc = acpi_ns_get_attached_object(node);
319 if (obj_desc) { 317 if (obj_desc) {
318
320 /* Object exists - make sure there's no handler */ 319 /* Object exists - make sure there's no handler */
321 320
322 if (((handler_type & ACPI_SYSTEM_NOTIFY) && 321 if (((handler_type & ACPI_SYSTEM_NOTIFY) &&
@@ -370,6 +369,7 @@ acpi_install_notify_handler(acpi_handle device,
370 } 369 }
371 370
372 if (handler_type == ACPI_ALL_NOTIFY) { 371 if (handler_type == ACPI_ALL_NOTIFY) {
372
373 /* Extra ref if installed in both */ 373 /* Extra ref if installed in both */
374 374
375 acpi_ut_add_reference(notify_obj); 375 acpi_ut_add_reference(notify_obj);
@@ -381,7 +381,7 @@ acpi_install_notify_handler(acpi_handle device,
381 return_ACPI_STATUS(status); 381 return_ACPI_STATUS(status);
382} 382}
383 383
384EXPORT_SYMBOL(acpi_install_notify_handler); 384ACPI_EXPORT_SYMBOL(acpi_install_notify_handler)
385 385
386/******************************************************************************* 386/*******************************************************************************
387 * 387 *
@@ -399,7 +399,6 @@ EXPORT_SYMBOL(acpi_install_notify_handler);
399 * DESCRIPTION: Remove a handler for notifies on an ACPI device 399 * DESCRIPTION: Remove a handler for notifies on an ACPI device
400 * 400 *
401 ******************************************************************************/ 401 ******************************************************************************/
402
403acpi_status 402acpi_status
404acpi_remove_notify_handler(acpi_handle device, 403acpi_remove_notify_handler(acpi_handle device,
405 u32 handler_type, acpi_notify_handler handler) 404 u32 handler_type, acpi_notify_handler handler)
@@ -409,7 +408,7 @@ acpi_remove_notify_handler(acpi_handle device,
409 struct acpi_namespace_node *node; 408 struct acpi_namespace_node *node;
410 acpi_status status; 409 acpi_status status;
411 410
412 ACPI_FUNCTION_TRACE("acpi_remove_notify_handler"); 411 ACPI_FUNCTION_TRACE(acpi_remove_notify_handler);
413 412
414 /* Parameter validation */ 413 /* Parameter validation */
415 414
@@ -535,7 +534,7 @@ acpi_remove_notify_handler(acpi_handle device,
535 return_ACPI_STATUS(status); 534 return_ACPI_STATUS(status);
536} 535}
537 536
538EXPORT_SYMBOL(acpi_remove_notify_handler); 537ACPI_EXPORT_SYMBOL(acpi_remove_notify_handler)
539 538
540/******************************************************************************* 539/*******************************************************************************
541 * 540 *
@@ -554,7 +553,6 @@ EXPORT_SYMBOL(acpi_remove_notify_handler);
554 * DESCRIPTION: Install a handler for a General Purpose Event. 553 * DESCRIPTION: Install a handler for a General Purpose Event.
555 * 554 *
556 ******************************************************************************/ 555 ******************************************************************************/
557
558acpi_status 556acpi_status
559acpi_install_gpe_handler(acpi_handle gpe_device, 557acpi_install_gpe_handler(acpi_handle gpe_device,
560 u32 gpe_number, 558 u32 gpe_number,
@@ -565,7 +563,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
565 acpi_status status; 563 acpi_status status;
566 acpi_cpu_flags flags; 564 acpi_cpu_flags flags;
567 565
568 ACPI_FUNCTION_TRACE("acpi_install_gpe_handler"); 566 ACPI_FUNCTION_TRACE(acpi_install_gpe_handler);
569 567
570 /* Parameter validation */ 568 /* Parameter validation */
571 569
@@ -596,7 +594,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
596 594
597 /* Allocate and init handler object */ 595 /* Allocate and init handler object */
598 596
599 handler = ACPI_MEM_CALLOCATE(sizeof(struct acpi_handler_info)); 597 handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info));
600 if (!handler) { 598 if (!handler) {
601 status = AE_NO_MEMORY; 599 status = AE_NO_MEMORY;
602 goto unlock_and_exit; 600 goto unlock_and_exit;
@@ -630,7 +628,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
630 return_ACPI_STATUS(status); 628 return_ACPI_STATUS(status);
631} 629}
632 630
633EXPORT_SYMBOL(acpi_install_gpe_handler); 631ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler)
634 632
635/******************************************************************************* 633/*******************************************************************************
636 * 634 *
@@ -646,7 +644,6 @@ EXPORT_SYMBOL(acpi_install_gpe_handler);
646 * DESCRIPTION: Remove a handler for a General Purpose acpi_event. 644 * DESCRIPTION: Remove a handler for a General Purpose acpi_event.
647 * 645 *
648 ******************************************************************************/ 646 ******************************************************************************/
649
650acpi_status 647acpi_status
651acpi_remove_gpe_handler(acpi_handle gpe_device, 648acpi_remove_gpe_handler(acpi_handle gpe_device,
652 u32 gpe_number, acpi_event_handler address) 649 u32 gpe_number, acpi_event_handler address)
@@ -656,7 +653,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
656 acpi_status status; 653 acpi_status status;
657 acpi_cpu_flags flags; 654 acpi_cpu_flags flags;
658 655
659 ACPI_FUNCTION_TRACE("acpi_remove_gpe_handler"); 656 ACPI_FUNCTION_TRACE(acpi_remove_gpe_handler);
660 657
661 /* Parameter validation */ 658 /* Parameter validation */
662 659
@@ -724,14 +721,14 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
724 721
725 /* Now we can free the handler object */ 722 /* Now we can free the handler object */
726 723
727 ACPI_MEM_FREE(handler); 724 ACPI_FREE(handler);
728 725
729 unlock_and_exit: 726 unlock_and_exit:
730 (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); 727 (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
731 return_ACPI_STATUS(status); 728 return_ACPI_STATUS(status);
732} 729}
733 730
734EXPORT_SYMBOL(acpi_remove_gpe_handler); 731ACPI_EXPORT_SYMBOL(acpi_remove_gpe_handler)
735 732
736/******************************************************************************* 733/*******************************************************************************
737 * 734 *
@@ -746,7 +743,6 @@ EXPORT_SYMBOL(acpi_remove_gpe_handler);
746 * DESCRIPTION: Acquire the ACPI Global Lock 743 * DESCRIPTION: Acquire the ACPI Global Lock
747 * 744 *
748 ******************************************************************************/ 745 ******************************************************************************/
749
750acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle) 746acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
751{ 747{
752 acpi_status status; 748 acpi_status status;
@@ -771,7 +767,7 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
771 return (status); 767 return (status);
772} 768}
773 769
774EXPORT_SYMBOL(acpi_acquire_global_lock); 770ACPI_EXPORT_SYMBOL(acpi_acquire_global_lock)
775 771
776/******************************************************************************* 772/*******************************************************************************
777 * 773 *
@@ -784,7 +780,6 @@ EXPORT_SYMBOL(acpi_acquire_global_lock);
784 * DESCRIPTION: Release the ACPI Global Lock. The handle must be valid. 780 * DESCRIPTION: Release the ACPI Global Lock. The handle must be valid.
785 * 781 *
786 ******************************************************************************/ 782 ******************************************************************************/
787
788acpi_status acpi_release_global_lock(u32 handle) 783acpi_status acpi_release_global_lock(u32 handle)
789{ 784{
790 acpi_status status; 785 acpi_status status;
@@ -797,4 +792,4 @@ acpi_status acpi_release_global_lock(u32 handle)
797 return (status); 792 return (status);
798} 793}
799 794
800EXPORT_SYMBOL(acpi_release_global_lock); 795ACPI_EXPORT_SYMBOL(acpi_release_global_lock)
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index ec9ce8429f15..7ebc2efac936 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -41,8 +41,6 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/acevents.h> 45#include <acpi/acevents.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
@@ -65,7 +63,7 @@ acpi_status acpi_enable(void)
65{ 63{
66 acpi_status status = AE_OK; 64 acpi_status status = AE_OK;
67 65
68 ACPI_FUNCTION_TRACE("acpi_enable"); 66 ACPI_FUNCTION_TRACE(acpi_enable);
69 67
70 /* Make sure we have the FADT */ 68 /* Make sure we have the FADT */
71 69
@@ -94,6 +92,8 @@ acpi_status acpi_enable(void)
94 return_ACPI_STATUS(status); 92 return_ACPI_STATUS(status);
95} 93}
96 94
95ACPI_EXPORT_SYMBOL(acpi_enable)
96
97/******************************************************************************* 97/*******************************************************************************
98 * 98 *
99 * FUNCTION: acpi_disable 99 * FUNCTION: acpi_disable
@@ -105,12 +105,11 @@ acpi_status acpi_enable(void)
105 * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode. 105 * DESCRIPTION: Transfers the system into LEGACY (non-ACPI) mode.
106 * 106 *
107 ******************************************************************************/ 107 ******************************************************************************/
108
109acpi_status acpi_disable(void) 108acpi_status acpi_disable(void)
110{ 109{
111 acpi_status status = AE_OK; 110 acpi_status status = AE_OK;
112 111
113 ACPI_FUNCTION_TRACE("acpi_disable"); 112 ACPI_FUNCTION_TRACE(acpi_disable);
114 113
115 if (!acpi_gbl_FADT) { 114 if (!acpi_gbl_FADT) {
116 ACPI_WARNING((AE_INFO, "No FADT information present!")); 115 ACPI_WARNING((AE_INFO, "No FADT information present!"));
@@ -137,6 +136,8 @@ acpi_status acpi_disable(void)
137 return_ACPI_STATUS(status); 136 return_ACPI_STATUS(status);
138} 137}
139 138
139ACPI_EXPORT_SYMBOL(acpi_disable)
140
140/******************************************************************************* 141/*******************************************************************************
141 * 142 *
142 * FUNCTION: acpi_enable_event 143 * FUNCTION: acpi_enable_event
@@ -149,13 +150,12 @@ acpi_status acpi_disable(void)
149 * DESCRIPTION: Enable an ACPI event (fixed) 150 * DESCRIPTION: Enable an ACPI event (fixed)
150 * 151 *
151 ******************************************************************************/ 152 ******************************************************************************/
152
153acpi_status acpi_enable_event(u32 event, u32 flags) 153acpi_status acpi_enable_event(u32 event, u32 flags)
154{ 154{
155 acpi_status status = AE_OK; 155 acpi_status status = AE_OK;
156 u32 value; 156 u32 value;
157 157
158 ACPI_FUNCTION_TRACE("acpi_enable_event"); 158 ACPI_FUNCTION_TRACE(acpi_enable_event);
159 159
160 /* Decode the Fixed Event */ 160 /* Decode the Fixed Event */
161 161
@@ -193,7 +193,7 @@ acpi_status acpi_enable_event(u32 event, u32 flags)
193 return_ACPI_STATUS(status); 193 return_ACPI_STATUS(status);
194} 194}
195 195
196EXPORT_SYMBOL(acpi_enable_event); 196ACPI_EXPORT_SYMBOL(acpi_enable_event)
197 197
198/******************************************************************************* 198/*******************************************************************************
199 * 199 *
@@ -208,13 +208,12 @@ EXPORT_SYMBOL(acpi_enable_event);
208 * DESCRIPTION: Set the type of an individual GPE 208 * DESCRIPTION: Set the type of an individual GPE
209 * 209 *
210 ******************************************************************************/ 210 ******************************************************************************/
211
212acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type) 211acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
213{ 212{
214 acpi_status status = AE_OK; 213 acpi_status status = AE_OK;
215 struct acpi_gpe_event_info *gpe_event_info; 214 struct acpi_gpe_event_info *gpe_event_info;
216 215
217 ACPI_FUNCTION_TRACE("acpi_set_gpe_type"); 216 ACPI_FUNCTION_TRACE(acpi_set_gpe_type);
218 217
219 /* Ensure that we have a valid GPE number */ 218 /* Ensure that we have a valid GPE number */
220 219
@@ -236,7 +235,7 @@ acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type)
236 return_ACPI_STATUS(status); 235 return_ACPI_STATUS(status);
237} 236}
238 237
239EXPORT_SYMBOL(acpi_set_gpe_type); 238ACPI_EXPORT_SYMBOL(acpi_set_gpe_type)
240 239
241/******************************************************************************* 240/*******************************************************************************
242 * 241 *
@@ -252,13 +251,12 @@ EXPORT_SYMBOL(acpi_set_gpe_type);
252 * DESCRIPTION: Enable an ACPI event (general purpose) 251 * DESCRIPTION: Enable an ACPI event (general purpose)
253 * 252 *
254 ******************************************************************************/ 253 ******************************************************************************/
255
256acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) 254acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
257{ 255{
258 acpi_status status = AE_OK; 256 acpi_status status = AE_OK;
259 struct acpi_gpe_event_info *gpe_event_info; 257 struct acpi_gpe_event_info *gpe_event_info;
260 258
261 ACPI_FUNCTION_TRACE("acpi_enable_gpe"); 259 ACPI_FUNCTION_TRACE(acpi_enable_gpe);
262 260
263 /* Use semaphore lock if not executing at interrupt level */ 261 /* Use semaphore lock if not executing at interrupt level */
264 262
@@ -288,7 +286,7 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
288 return_ACPI_STATUS(status); 286 return_ACPI_STATUS(status);
289} 287}
290 288
291EXPORT_SYMBOL(acpi_enable_gpe); 289ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
292 290
293/******************************************************************************* 291/*******************************************************************************
294 * 292 *
@@ -304,13 +302,12 @@ EXPORT_SYMBOL(acpi_enable_gpe);
304 * DESCRIPTION: Disable an ACPI event (general purpose) 302 * DESCRIPTION: Disable an ACPI event (general purpose)
305 * 303 *
306 ******************************************************************************/ 304 ******************************************************************************/
307
308acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) 305acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
309{ 306{
310 acpi_status status = AE_OK; 307 acpi_status status = AE_OK;
311 struct acpi_gpe_event_info *gpe_event_info; 308 struct acpi_gpe_event_info *gpe_event_info;
312 309
313 ACPI_FUNCTION_TRACE("acpi_disable_gpe"); 310 ACPI_FUNCTION_TRACE(acpi_disable_gpe);
314 311
315 /* Use semaphore lock if not executing at interrupt level */ 312 /* Use semaphore lock if not executing at interrupt level */
316 313
@@ -338,6 +335,8 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
338 return_ACPI_STATUS(status); 335 return_ACPI_STATUS(status);
339} 336}
340 337
338ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
339
341/******************************************************************************* 340/*******************************************************************************
342 * 341 *
343 * FUNCTION: acpi_disable_event 342 * FUNCTION: acpi_disable_event
@@ -350,13 +349,12 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
350 * DESCRIPTION: Disable an ACPI event (fixed) 349 * DESCRIPTION: Disable an ACPI event (fixed)
351 * 350 *
352 ******************************************************************************/ 351 ******************************************************************************/
353
354acpi_status acpi_disable_event(u32 event, u32 flags) 352acpi_status acpi_disable_event(u32 event, u32 flags)
355{ 353{
356 acpi_status status = AE_OK; 354 acpi_status status = AE_OK;
357 u32 value; 355 u32 value;
358 356
359 ACPI_FUNCTION_TRACE("acpi_disable_event"); 357 ACPI_FUNCTION_TRACE(acpi_disable_event);
360 358
361 /* Decode the Fixed Event */ 359 /* Decode the Fixed Event */
362 360
@@ -392,7 +390,7 @@ acpi_status acpi_disable_event(u32 event, u32 flags)
392 return_ACPI_STATUS(status); 390 return_ACPI_STATUS(status);
393} 391}
394 392
395EXPORT_SYMBOL(acpi_disable_event); 393ACPI_EXPORT_SYMBOL(acpi_disable_event)
396 394
397/******************************************************************************* 395/*******************************************************************************
398 * 396 *
@@ -405,12 +403,11 @@ EXPORT_SYMBOL(acpi_disable_event);
405 * DESCRIPTION: Clear an ACPI event (fixed) 403 * DESCRIPTION: Clear an ACPI event (fixed)
406 * 404 *
407 ******************************************************************************/ 405 ******************************************************************************/
408
409acpi_status acpi_clear_event(u32 event) 406acpi_status acpi_clear_event(u32 event)
410{ 407{
411 acpi_status status = AE_OK; 408 acpi_status status = AE_OK;
412 409
413 ACPI_FUNCTION_TRACE("acpi_clear_event"); 410 ACPI_FUNCTION_TRACE(acpi_clear_event);
414 411
415 /* Decode the Fixed Event */ 412 /* Decode the Fixed Event */
416 413
@@ -429,7 +426,7 @@ acpi_status acpi_clear_event(u32 event)
429 return_ACPI_STATUS(status); 426 return_ACPI_STATUS(status);
430} 427}
431 428
432EXPORT_SYMBOL(acpi_clear_event); 429ACPI_EXPORT_SYMBOL(acpi_clear_event)
433 430
434/******************************************************************************* 431/*******************************************************************************
435 * 432 *
@@ -444,13 +441,12 @@ EXPORT_SYMBOL(acpi_clear_event);
444 * DESCRIPTION: Clear an ACPI event (general purpose) 441 * DESCRIPTION: Clear an ACPI event (general purpose)
445 * 442 *
446 ******************************************************************************/ 443 ******************************************************************************/
447
448acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) 444acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
449{ 445{
450 acpi_status status = AE_OK; 446 acpi_status status = AE_OK;
451 struct acpi_gpe_event_info *gpe_event_info; 447 struct acpi_gpe_event_info *gpe_event_info;
452 448
453 ACPI_FUNCTION_TRACE("acpi_clear_gpe"); 449 ACPI_FUNCTION_TRACE(acpi_clear_gpe);
454 450
455 /* Use semaphore lock if not executing at interrupt level */ 451 /* Use semaphore lock if not executing at interrupt level */
456 452
@@ -478,6 +474,8 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
478 return_ACPI_STATUS(status); 474 return_ACPI_STATUS(status);
479} 475}
480 476
477ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
478
481#ifdef ACPI_FUTURE_USAGE 479#ifdef ACPI_FUTURE_USAGE
482/******************************************************************************* 480/*******************************************************************************
483 * 481 *
@@ -492,12 +490,11 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
492 * DESCRIPTION: Obtains and returns the current status of the event 490 * DESCRIPTION: Obtains and returns the current status of the event
493 * 491 *
494 ******************************************************************************/ 492 ******************************************************************************/
495
496acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) 493acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
497{ 494{
498 acpi_status status = AE_OK; 495 acpi_status status = AE_OK;
499 496
500 ACPI_FUNCTION_TRACE("acpi_get_event_status"); 497 ACPI_FUNCTION_TRACE(acpi_get_event_status);
501 498
502 if (!event_status) { 499 if (!event_status) {
503 return_ACPI_STATUS(AE_BAD_PARAMETER); 500 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -518,6 +515,8 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
518 return_ACPI_STATUS(status); 515 return_ACPI_STATUS(status);
519} 516}
520 517
518ACPI_EXPORT_SYMBOL(acpi_get_event_status)
519
521/******************************************************************************* 520/*******************************************************************************
522 * 521 *
523 * FUNCTION: acpi_get_gpe_status 522 * FUNCTION: acpi_get_gpe_status
@@ -533,7 +532,6 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
533 * DESCRIPTION: Get status of an event (general purpose) 532 * DESCRIPTION: Get status of an event (general purpose)
534 * 533 *
535 ******************************************************************************/ 534 ******************************************************************************/
536
537acpi_status 535acpi_status
538acpi_get_gpe_status(acpi_handle gpe_device, 536acpi_get_gpe_status(acpi_handle gpe_device,
539 u32 gpe_number, u32 flags, acpi_event_status * event_status) 537 u32 gpe_number, u32 flags, acpi_event_status * event_status)
@@ -541,7 +539,7 @@ acpi_get_gpe_status(acpi_handle gpe_device,
541 acpi_status status = AE_OK; 539 acpi_status status = AE_OK;
542 struct acpi_gpe_event_info *gpe_event_info; 540 struct acpi_gpe_event_info *gpe_event_info;
543 541
544 ACPI_FUNCTION_TRACE("acpi_get_gpe_status"); 542 ACPI_FUNCTION_TRACE(acpi_get_gpe_status);
545 543
546 /* Use semaphore lock if not executing at interrupt level */ 544 /* Use semaphore lock if not executing at interrupt level */
547 545
@@ -570,6 +568,8 @@ acpi_get_gpe_status(acpi_handle gpe_device,
570 } 568 }
571 return_ACPI_STATUS(status); 569 return_ACPI_STATUS(status);
572} 570}
571
572ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
573#endif /* ACPI_FUTURE_USAGE */ 573#endif /* ACPI_FUTURE_USAGE */
574 574
575/******************************************************************************* 575/*******************************************************************************
@@ -586,7 +586,6 @@ acpi_get_gpe_status(acpi_handle gpe_device,
586 * DESCRIPTION: Create and Install a block of GPE registers 586 * DESCRIPTION: Create and Install a block of GPE registers
587 * 587 *
588 ******************************************************************************/ 588 ******************************************************************************/
589
590acpi_status 589acpi_status
591acpi_install_gpe_block(acpi_handle gpe_device, 590acpi_install_gpe_block(acpi_handle gpe_device,
592 struct acpi_generic_address *gpe_block_address, 591 struct acpi_generic_address *gpe_block_address,
@@ -597,7 +596,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
597 struct acpi_namespace_node *node; 596 struct acpi_namespace_node *node;
598 struct acpi_gpe_block_info *gpe_block; 597 struct acpi_gpe_block_info *gpe_block;
599 598
600 ACPI_FUNCTION_TRACE("acpi_install_gpe_block"); 599 ACPI_FUNCTION_TRACE(acpi_install_gpe_block);
601 600
602 if ((!gpe_device) || (!gpe_block_address) || (!register_count)) { 601 if ((!gpe_device) || (!gpe_block_address) || (!register_count)) {
603 return_ACPI_STATUS(AE_BAD_PARAMETER); 602 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -636,6 +635,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
636 635
637 obj_desc = acpi_ns_get_attached_object(node); 636 obj_desc = acpi_ns_get_attached_object(node);
638 if (!obj_desc) { 637 if (!obj_desc) {
638
639 /* No object, create a new one */ 639 /* No object, create a new one */
640 640
641 obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE); 641 obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE);
@@ -665,7 +665,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
665 return_ACPI_STATUS(status); 665 return_ACPI_STATUS(status);
666} 666}
667 667
668EXPORT_SYMBOL(acpi_install_gpe_block); 668ACPI_EXPORT_SYMBOL(acpi_install_gpe_block)
669 669
670/******************************************************************************* 670/*******************************************************************************
671 * 671 *
@@ -678,14 +678,13 @@ EXPORT_SYMBOL(acpi_install_gpe_block);
678 * DESCRIPTION: Remove a previously installed block of GPE registers 678 * DESCRIPTION: Remove a previously installed block of GPE registers
679 * 679 *
680 ******************************************************************************/ 680 ******************************************************************************/
681
682acpi_status acpi_remove_gpe_block(acpi_handle gpe_device) 681acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
683{ 682{
684 union acpi_operand_object *obj_desc; 683 union acpi_operand_object *obj_desc;
685 acpi_status status; 684 acpi_status status;
686 struct acpi_namespace_node *node; 685 struct acpi_namespace_node *node;
687 686
688 ACPI_FUNCTION_TRACE("acpi_remove_gpe_block"); 687 ACPI_FUNCTION_TRACE(acpi_remove_gpe_block);
689 688
690 if (!gpe_device) { 689 if (!gpe_device) {
691 return_ACPI_STATUS(AE_BAD_PARAMETER); 690 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -721,4 +720,4 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device)
721 return_ACPI_STATUS(status); 720 return_ACPI_STATUS(status);
722} 721}
723 722
724EXPORT_SYMBOL(acpi_remove_gpe_block); 723ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block)
diff --git a/drivers/acpi/events/evxfregn.c b/drivers/acpi/events/evxfregn.c
index abf5caca9ae5..e8b86a0baad0 100644
--- a/drivers/acpi/events/evxfregn.c
+++ b/drivers/acpi/events/evxfregn.c
@@ -42,8 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46
47#include <acpi/acpi.h> 45#include <acpi/acpi.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
49#include <acpi/acevents.h> 47#include <acpi/acevents.h>
@@ -75,7 +73,7 @@ acpi_install_address_space_handler(acpi_handle device,
75 struct acpi_namespace_node *node; 73 struct acpi_namespace_node *node;
76 acpi_status status; 74 acpi_status status;
77 75
78 ACPI_FUNCTION_TRACE("acpi_install_address_space_handler"); 76 ACPI_FUNCTION_TRACE(acpi_install_address_space_handler);
79 77
80 /* Parameter validation */ 78 /* Parameter validation */
81 79
@@ -114,7 +112,7 @@ acpi_install_address_space_handler(acpi_handle device,
114 return_ACPI_STATUS(status); 112 return_ACPI_STATUS(status);
115} 113}
116 114
117EXPORT_SYMBOL(acpi_install_address_space_handler); 115ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler)
118 116
119/******************************************************************************* 117/*******************************************************************************
120 * 118 *
@@ -129,7 +127,6 @@ EXPORT_SYMBOL(acpi_install_address_space_handler);
129 * DESCRIPTION: Remove a previously installed handler. 127 * DESCRIPTION: Remove a previously installed handler.
130 * 128 *
131 ******************************************************************************/ 129 ******************************************************************************/
132
133acpi_status 130acpi_status
134acpi_remove_address_space_handler(acpi_handle device, 131acpi_remove_address_space_handler(acpi_handle device,
135 acpi_adr_space_type space_id, 132 acpi_adr_space_type space_id,
@@ -142,7 +139,7 @@ acpi_remove_address_space_handler(acpi_handle device,
142 struct acpi_namespace_node *node; 139 struct acpi_namespace_node *node;
143 acpi_status status; 140 acpi_status status;
144 141
145 ACPI_FUNCTION_TRACE("acpi_remove_address_space_handler"); 142 ACPI_FUNCTION_TRACE(acpi_remove_address_space_handler);
146 143
147 /* Parameter validation */ 144 /* Parameter validation */
148 145
@@ -176,9 +173,11 @@ acpi_remove_address_space_handler(acpi_handle device,
176 handler_obj = obj_desc->device.handler; 173 handler_obj = obj_desc->device.handler;
177 last_obj_ptr = &obj_desc->device.handler; 174 last_obj_ptr = &obj_desc->device.handler;
178 while (handler_obj) { 175 while (handler_obj) {
176
179 /* We have a handler, see if user requested this one */ 177 /* We have a handler, see if user requested this one */
180 178
181 if (handler_obj->address_space.space_id == space_id) { 179 if (handler_obj->address_space.space_id == space_id) {
180
182 /* Matched space_id, first dereference this in the Regions */ 181 /* Matched space_id, first dereference this in the Regions */
183 182
184 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, 183 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
@@ -229,7 +228,7 @@ acpi_remove_address_space_handler(acpi_handle device,
229 /* The handler does not exist */ 228 /* The handler does not exist */
230 229
231 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION, 230 ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
232 "Unable to remove address handler %p for %s(%X), dev_node %p, obj %p\n", 231 "Unable to remove address handler %p for %s(%X), DevNode %p, obj %p\n",
233 handler, acpi_ut_get_region_name(space_id), space_id, 232 handler, acpi_ut_get_region_name(space_id), space_id,
234 node, obj_desc)); 233 node, obj_desc));
235 234
@@ -240,4 +239,4 @@ acpi_remove_address_space_handler(acpi_handle device,
240 return_ACPI_STATUS(status); 239 return_ACPI_STATUS(status);
241} 240}
242 241
243EXPORT_SYMBOL(acpi_remove_address_space_handler); 242ACPI_EXPORT_SYMBOL(acpi_remove_address_space_handler)
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index a29782fe3ecf..823352435e08 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -82,7 +82,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
82 struct acpi_table_desc table_info; 82 struct acpi_table_desc table_info;
83 union acpi_operand_object *obj_desc; 83 union acpi_operand_object *obj_desc;
84 84
85 ACPI_FUNCTION_TRACE("ex_add_table"); 85 ACPI_FUNCTION_TRACE(ex_add_table);
86 86
87 /* Create an object to be the table handle */ 87 /* Create an object to be the table handle */
88 88
@@ -100,7 +100,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
100 100
101 ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc)); 101 ACPI_MEMSET(&table_info, 0, sizeof(struct acpi_table_desc));
102 102
103 table_info.type = ACPI_TABLE_SSDT; 103 table_info.type = ACPI_TABLE_ID_SSDT;
104 table_info.pointer = table; 104 table_info.pointer = table;
105 table_info.length = (acpi_size) table->length; 105 table_info.length = (acpi_size) table->length;
106 table_info.allocation = ACPI_MEM_ALLOCATED; 106 table_info.allocation = ACPI_MEM_ALLOCATED;
@@ -110,6 +110,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
110 110
111 if (ACPI_FAILURE(status)) { 111 if (ACPI_FAILURE(status)) {
112 if (status == AE_ALREADY_EXISTS) { 112 if (status == AE_ALREADY_EXISTS) {
113
113 /* Table already exists, just return the handle */ 114 /* Table already exists, just return the handle */
114 115
115 return_ACPI_STATUS(AE_OK); 116 return_ACPI_STATUS(AE_OK);
@@ -121,6 +122,7 @@ acpi_ex_add_table(struct acpi_table_header *table,
121 122
122 status = acpi_ns_load_table(table_info.installed_desc, parent_node); 123 status = acpi_ns_load_table(table_info.installed_desc, parent_node);
123 if (ACPI_FAILURE(status)) { 124 if (ACPI_FAILURE(status)) {
125
124 /* Uninstall table on error */ 126 /* Uninstall table on error */
125 127
126 (void)acpi_tb_uninstall_table(table_info.installed_desc); 128 (void)acpi_tb_uninstall_table(table_info.installed_desc);
@@ -160,7 +162,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
160 struct acpi_namespace_node *parameter_node = NULL; 162 struct acpi_namespace_node *parameter_node = NULL;
161 union acpi_operand_object *ddb_handle; 163 union acpi_operand_object *ddb_handle;
162 164
163 ACPI_FUNCTION_TRACE("ex_load_table_op"); 165 ACPI_FUNCTION_TRACE(ex_load_table_op);
164 166
165#if 0 167#if 0
166 /* 168 /*
@@ -169,6 +171,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
169 */ 171 */
170 status = acpi_tb_match_signature(operand[0]->string.pointer, NULL); 172 status = acpi_tb_match_signature(operand[0]->string.pointer, NULL);
171 if (status == AE_OK) { 173 if (status == AE_OK) {
174
172 /* Signature matched -- don't allow override */ 175 /* Signature matched -- don't allow override */
173 176
174 return_ACPI_STATUS(AE_ALREADY_EXISTS); 177 return_ACPI_STATUS(AE_ALREADY_EXISTS);
@@ -211,9 +214,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
211 * location within the namespace where the table will be loaded. 214 * location within the namespace where the table will be loaded.
212 */ 215 */
213 status = 216 status =
214 acpi_ns_get_node_by_path(operand[3]->string.pointer, 217 acpi_ns_get_node(start_node, operand[3]->string.pointer,
215 start_node, ACPI_NS_SEARCH_PARENT, 218 ACPI_NS_SEARCH_PARENT, &parent_node);
216 &parent_node);
217 if (ACPI_FAILURE(status)) { 219 if (ACPI_FAILURE(status)) {
218 return_ACPI_STATUS(status); 220 return_ACPI_STATUS(status);
219 } 221 }
@@ -234,9 +236,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
234 /* Find the node referenced by the parameter_path_string */ 236 /* Find the node referenced by the parameter_path_string */
235 237
236 status = 238 status =
237 acpi_ns_get_node_by_path(operand[4]->string.pointer, 239 acpi_ns_get_node(start_node, operand[4]->string.pointer,
238 start_node, ACPI_NS_SEARCH_PARENT, 240 ACPI_NS_SEARCH_PARENT, &parameter_node);
239 &parameter_node);
240 if (ACPI_FAILURE(status)) { 241 if (ACPI_FAILURE(status)) {
241 return_ACPI_STATUS(status); 242 return_ACPI_STATUS(status);
242 } 243 }
@@ -252,6 +253,7 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
252 /* Parameter Data (optional) */ 253 /* Parameter Data (optional) */
253 254
254 if (parameter_node) { 255 if (parameter_node) {
256
255 /* Store the parameter data into the optional parameter object */ 257 /* Store the parameter data into the optional parameter object */
256 258
257 status = acpi_ex_store(operand[5], 259 status = acpi_ex_store(operand[5],
@@ -294,9 +296,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
294 struct acpi_table_header *table_ptr = NULL; 296 struct acpi_table_header *table_ptr = NULL;
295 acpi_physical_address address; 297 acpi_physical_address address;
296 struct acpi_table_header table_header; 298 struct acpi_table_header table_header;
299 acpi_integer temp;
297 u32 i; 300 u32 i;
298 301
299 ACPI_FUNCTION_TRACE("ex_load_op"); 302 ACPI_FUNCTION_TRACE(ex_load_op);
300 303
301 /* Object can be either an op_region or a Field */ 304 /* Object can be either an op_region or a Field */
302 305
@@ -322,7 +325,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
322 325
323 address = obj_desc->region.address; 326 address = obj_desc->region.address;
324 327
325 /* Get the table length from the table header */ 328 /* Get part of the table header to get the table length */
326 329
327 table_header.length = 0; 330 table_header.length = 0;
328 for (i = 0; i < 8; i++) { 331 for (i = 0; i < 8; i++) {
@@ -330,11 +333,14 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
330 acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, 333 acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
331 (acpi_physical_address) 334 (acpi_physical_address)
332 (i + address), 8, 335 (i + address), 8,
333 ((u8 *) & 336 &temp);
334 table_header) + i);
335 if (ACPI_FAILURE(status)) { 337 if (ACPI_FAILURE(status)) {
336 return_ACPI_STATUS(status); 338 return_ACPI_STATUS(status);
337 } 339 }
340
341 /* Get the one valid byte of the returned 64-bit value */
342
343 ACPI_CAST_PTR(u8, &table_header)[i] = (u8) temp;
338 } 344 }
339 345
340 /* Sanity check the table length */ 346 /* Sanity check the table length */
@@ -345,7 +351,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
345 351
346 /* Allocate a buffer for the entire table */ 352 /* Allocate a buffer for the entire table */
347 353
348 table_ptr = ACPI_MEM_ALLOCATE(table_header.length); 354 table_ptr = ACPI_ALLOCATE(table_header.length);
349 if (!table_ptr) { 355 if (!table_ptr) {
350 return_ACPI_STATUS(AE_NO_MEMORY); 356 return_ACPI_STATUS(AE_NO_MEMORY);
351 } 357 }
@@ -357,11 +363,14 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
357 acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, 363 acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
358 (acpi_physical_address) 364 (acpi_physical_address)
359 (i + address), 8, 365 (i + address), 8,
360 ((u8 *) table_ptr + 366 &temp);
361 i));
362 if (ACPI_FAILURE(status)) { 367 if (ACPI_FAILURE(status)) {
363 goto cleanup; 368 goto cleanup;
364 } 369 }
370
371 /* Get the one valid byte of the returned 64-bit value */
372
373 ACPI_CAST_PTR(u8, table_ptr)[i] = (u8) temp;
365 } 374 }
366 break; 375 break;
367 376
@@ -407,12 +416,8 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
407 416
408 /* The table must be either an SSDT or a PSDT */ 417 /* The table must be either an SSDT or a PSDT */
409 418
410 if ((!ACPI_STRNCMP(table_ptr->signature, 419 if ((!ACPI_COMPARE_NAME(table_ptr->signature, PSDT_SIG)) &&
411 acpi_gbl_table_data[ACPI_TABLE_PSDT].signature, 420 (!ACPI_COMPARE_NAME(table_ptr->signature, SSDT_SIG))) {
412 acpi_gbl_table_data[ACPI_TABLE_PSDT].sig_length)) &&
413 (!ACPI_STRNCMP(table_ptr->signature,
414 acpi_gbl_table_data[ACPI_TABLE_SSDT].signature,
415 acpi_gbl_table_data[ACPI_TABLE_SSDT].sig_length))) {
416 ACPI_ERROR((AE_INFO, 421 ACPI_ERROR((AE_INFO,
417 "Table has invalid signature [%4.4s], must be SSDT or PSDT", 422 "Table has invalid signature [%4.4s], must be SSDT or PSDT",
418 table_ptr->signature)); 423 table_ptr->signature));
@@ -424,6 +429,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
424 429
425 status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle); 430 status = acpi_ex_add_table(table_ptr, acpi_gbl_root_node, &ddb_handle);
426 if (ACPI_FAILURE(status)) { 431 if (ACPI_FAILURE(status)) {
432
427 /* On error, table_ptr was deallocated above */ 433 /* On error, table_ptr was deallocated above */
428 434
429 return_ACPI_STATUS(status); 435 return_ACPI_STATUS(status);
@@ -442,7 +448,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
442 448
443 cleanup: 449 cleanup:
444 if (ACPI_FAILURE(status)) { 450 if (ACPI_FAILURE(status)) {
445 ACPI_MEM_FREE(table_ptr); 451 ACPI_FREE(table_ptr);
446 } 452 }
447 return_ACPI_STATUS(status); 453 return_ACPI_STATUS(status);
448} 454}
@@ -465,7 +471,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
465 union acpi_operand_object *table_desc = ddb_handle; 471 union acpi_operand_object *table_desc = ddb_handle;
466 struct acpi_table_desc *table_info; 472 struct acpi_table_desc *table_info;
467 473
468 ACPI_FUNCTION_TRACE("ex_unload_table"); 474 ACPI_FUNCTION_TRACE(ex_unload_table);
469 475
470 /* 476 /*
471 * Validate the handle 477 * Validate the handle
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index e6d52e12d77a..b732e399b1ef 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -79,7 +79,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
79 u32 count; 79 u32 count;
80 acpi_status status; 80 acpi_status status;
81 81
82 ACPI_FUNCTION_TRACE_PTR("ex_convert_to_integer", obj_desc); 82 ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc);
83 83
84 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { 84 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
85 case ACPI_TYPE_INTEGER: 85 case ACPI_TYPE_INTEGER:
@@ -199,7 +199,7 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc,
199 union acpi_operand_object *return_desc; 199 union acpi_operand_object *return_desc;
200 u8 *new_buf; 200 u8 *new_buf;
201 201
202 ACPI_FUNCTION_TRACE_PTR("ex_convert_to_buffer", obj_desc); 202 ACPI_FUNCTION_TRACE_PTR(ex_convert_to_buffer, obj_desc);
203 203
204 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { 204 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
205 case ACPI_TYPE_BUFFER: 205 case ACPI_TYPE_BUFFER:
@@ -319,6 +319,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
319 remainder = 0; 319 remainder = 0;
320 320
321 for (i = decimal_length; i > 0; i--) { 321 for (i = decimal_length; i > 0; i--) {
322
322 /* Divide by nth factor of 10 */ 323 /* Divide by nth factor of 10 */
323 324
324 digit = integer; 325 digit = integer;
@@ -346,6 +347,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
346 347
347 hex_length = (acpi_native_uint) ACPI_MUL_2(data_width); 348 hex_length = (acpi_native_uint) ACPI_MUL_2(data_width);
348 for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) { 349 for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {
350
349 /* Get one hex digit, most significant digits first */ 351 /* Get one hex digit, most significant digits first */
350 352
351 string[k] = 353 string[k] =
@@ -400,7 +402,7 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc,
400 u16 base = 16; 402 u16 base = 16;
401 u8 separator = ','; 403 u8 separator = ',';
402 404
403 ACPI_FUNCTION_TRACE_PTR("ex_convert_to_string", obj_desc); 405 ACPI_FUNCTION_TRACE_PTR(ex_convert_to_string, obj_desc);
404 406
405 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) { 407 switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
406 case ACPI_TYPE_STRING: 408 case ACPI_TYPE_STRING:
@@ -567,7 +569,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
567{ 569{
568 acpi_status status = AE_OK; 570 acpi_status status = AE_OK;
569 571
570 ACPI_FUNCTION_TRACE("ex_convert_to_target_type"); 572 ACPI_FUNCTION_TRACE(ex_convert_to_target_type);
571 573
572 /* Default behavior */ 574 /* Default behavior */
573 575
@@ -657,7 +659,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
657 659
658 default: 660 default:
659 ACPI_ERROR((AE_INFO, 661 ACPI_ERROR((AE_INFO,
660 "Unknown Target type ID 0x%X aml_opcode %X dest_type %s", 662 "Unknown Target type ID 0x%X AmlOpcode %X DestType %s",
661 GET_CURRENT_ARG_TYPE(walk_state->op_info-> 663 GET_CURRENT_ARG_TYPE(walk_state->op_info->
662 runtime_args), 664 runtime_args),
663 walk_state->opcode, 665 walk_state->opcode,
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c
index 680575402835..106dc7219df7 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/executer/excreate.c
@@ -69,7 +69,7 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state)
69 struct acpi_namespace_node *alias_node; 69 struct acpi_namespace_node *alias_node;
70 acpi_status status = AE_OK; 70 acpi_status status = AE_OK;
71 71
72 ACPI_FUNCTION_TRACE("ex_create_alias"); 72 ACPI_FUNCTION_TRACE(ex_create_alias);
73 73
74 /* Get the source/alias operands (both namespace nodes) */ 74 /* Get the source/alias operands (both namespace nodes) */
75 75
@@ -164,7 +164,7 @@ acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state)
164 acpi_status status; 164 acpi_status status;
165 union acpi_operand_object *obj_desc; 165 union acpi_operand_object *obj_desc;
166 166
167 ACPI_FUNCTION_TRACE("ex_create_event"); 167 ACPI_FUNCTION_TRACE(ex_create_event);
168 168
169 obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT); 169 obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_EVENT);
170 if (!obj_desc) { 170 if (!obj_desc) {
@@ -216,7 +216,7 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state)
216 acpi_status status = AE_OK; 216 acpi_status status = AE_OK;
217 union acpi_operand_object *obj_desc; 217 union acpi_operand_object *obj_desc;
218 218
219 ACPI_FUNCTION_TRACE_PTR("ex_create_mutex", ACPI_WALK_OPERANDS); 219 ACPI_FUNCTION_TRACE_PTR(ex_create_mutex, ACPI_WALK_OPERANDS);
220 220
221 /* Create the new mutex object */ 221 /* Create the new mutex object */
222 222
@@ -243,8 +243,9 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state)
243 obj_desc->mutex.node = 243 obj_desc->mutex.node =
244 (struct acpi_namespace_node *)walk_state->operands[0]; 244 (struct acpi_namespace_node *)walk_state->operands[0];
245 245
246 status = acpi_ns_attach_object(obj_desc->mutex.node, 246 status =
247 obj_desc, ACPI_TYPE_MUTEX); 247 acpi_ns_attach_object(obj_desc->mutex.node, obj_desc,
248 ACPI_TYPE_MUTEX);
248 249
249 cleanup: 250 cleanup:
250 /* 251 /*
@@ -280,7 +281,7 @@ acpi_ex_create_region(u8 * aml_start,
280 struct acpi_namespace_node *node; 281 struct acpi_namespace_node *node;
281 union acpi_operand_object *region_obj2; 282 union acpi_operand_object *region_obj2;
282 283
283 ACPI_FUNCTION_TRACE("ex_create_region"); 284 ACPI_FUNCTION_TRACE(ex_create_region);
284 285
285 /* Get the Namespace Node */ 286 /* Get the Namespace Node */
286 287
@@ -300,7 +301,7 @@ acpi_ex_create_region(u8 * aml_start,
300 */ 301 */
301 if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) && 302 if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) &&
302 (region_space < ACPI_USER_REGION_BEGIN)) { 303 (region_space < ACPI_USER_REGION_BEGIN)) {
303 ACPI_ERROR((AE_INFO, "Invalid address_space type %X", 304 ACPI_ERROR((AE_INFO, "Invalid AddressSpace type %X",
304 region_space)); 305 region_space));
305 return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID); 306 return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
306 } 307 }
@@ -364,7 +365,7 @@ acpi_status acpi_ex_create_table_region(struct acpi_walk_state *walk_state)
364 struct acpi_table_header *table; 365 struct acpi_table_header *table;
365 union acpi_operand_object *region_obj2; 366 union acpi_operand_object *region_obj2;
366 367
367 ACPI_FUNCTION_TRACE("ex_create_table_region"); 368 ACPI_FUNCTION_TRACE(ex_create_table_region);
368 369
369 /* Get the Node from the object stack */ 370 /* Get the Node from the object stack */
370 371
@@ -452,7 +453,7 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state)
452 union acpi_operand_object *obj_desc; 453 union acpi_operand_object *obj_desc;
453 acpi_status status; 454 acpi_status status;
454 455
455 ACPI_FUNCTION_TRACE_PTR("ex_create_processor", walk_state); 456 ACPI_FUNCTION_TRACE_PTR(ex_create_processor, walk_state);
456 457
457 /* Create the processor object */ 458 /* Create the processor object */
458 459
@@ -464,9 +465,9 @@ acpi_status acpi_ex_create_processor(struct acpi_walk_state *walk_state)
464 /* Initialize the processor object from the operands */ 465 /* Initialize the processor object from the operands */
465 466
466 obj_desc->processor.proc_id = (u8) operand[1]->integer.value; 467 obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
468 obj_desc->processor.length = (u8) operand[3]->integer.value;
467 obj_desc->processor.address = 469 obj_desc->processor.address =
468 (acpi_io_address) operand[2]->integer.value; 470 (acpi_io_address) operand[2]->integer.value;
469 obj_desc->processor.length = (u8) operand[3]->integer.value;
470 471
471 /* Install the processor object in the parent Node */ 472 /* Install the processor object in the parent Node */
472 473
@@ -499,7 +500,7 @@ acpi_status acpi_ex_create_power_resource(struct acpi_walk_state *walk_state)
499 acpi_status status; 500 acpi_status status;
500 union acpi_operand_object *obj_desc; 501 union acpi_operand_object *obj_desc;
501 502
502 ACPI_FUNCTION_TRACE_PTR("ex_create_power_resource", walk_state); 503 ACPI_FUNCTION_TRACE_PTR(ex_create_power_resource, walk_state);
503 504
504 /* Create the power resource object */ 505 /* Create the power resource object */
505 506
@@ -549,7 +550,7 @@ acpi_ex_create_method(u8 * aml_start,
549 acpi_status status; 550 acpi_status status;
550 u8 method_flags; 551 u8 method_flags;
551 552
552 ACPI_FUNCTION_TRACE_PTR("ex_create_method", walk_state); 553 ACPI_FUNCTION_TRACE_PTR(ex_create_method, walk_state);
553 554
554 /* Create a new method object */ 555 /* Create a new method object */
555 556
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index a7cca8d4f855..7b9718e976bf 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -61,6 +61,10 @@ static void acpi_ex_out_pointer(char *title, void *value);
61 61
62static void acpi_ex_out_address(char *title, acpi_physical_address value); 62static void acpi_ex_out_address(char *title, acpi_physical_address value);
63 63
64static void
65acpi_ex_dump_object(union acpi_operand_object *obj_desc,
66 struct acpi_exdump_info *info);
67
64static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc); 68static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc);
65 69
66static void 70static void
@@ -119,7 +123,7 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = {
119 123
120static struct acpi_exdump_info acpi_ex_dump_method[8] = { 124static struct acpi_exdump_info acpi_ex_dump_method[8] = {
121 {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL}, 125 {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
122 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "param_count"}, 126 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"},
123 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"}, 127 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"},
124 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"}, 128 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"},
125 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"}, 129 {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},
@@ -263,12 +267,10 @@ static struct acpi_exdump_info acpi_ex_dump_field_common[7] = {
263 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"} 267 {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(common_field.node), "Parent Node"}
264}; 268};
265 269
266static struct acpi_exdump_info acpi_ex_dump_node[6] = { 270static struct acpi_exdump_info acpi_ex_dump_node[5] = {
267 {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL}, 271 {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_node), NULL},
268 {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"}, 272 {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(flags), "Flags"},
269 {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"}, 273 {ACPI_EXD_UINT8, ACPI_EXD_NSOFFSET(owner_id), "Owner Id"},
270 {ACPI_EXD_UINT16, ACPI_EXD_NSOFFSET(reference_count),
271 "Reference Count"},
272 {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"}, 274 {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(child), "Child List"},
273 {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"} 275 {ACPI_EXD_POINTER, ACPI_EXD_NSOFFSET(peer), "Next Peer"}
274}; 276};
@@ -330,7 +332,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc,
330 332
331 if (!info) { 333 if (!info) {
332 acpi_os_printf 334 acpi_os_printf
333 ("ex_dump_object: Display not implemented for object type %s\n", 335 ("ExDumpObject: Display not implemented for object type %s\n",
334 acpi_ut_get_object_type_name(obj_desc)); 336 acpi_ut_get_object_type_name(obj_desc));
335 return; 337 return;
336 } 338 }
@@ -454,7 +456,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
454 u32 length; 456 u32 length;
455 u32 index; 457 u32 index;
456 458
457 ACPI_FUNCTION_NAME("ex_dump_operand") 459 ACPI_FUNCTION_NAME(ex_dump_operand)
458 460
459 if (! 461 if (!
460 ((ACPI_LV_EXEC & acpi_dbg_level) 462 ((ACPI_LV_EXEC & acpi_dbg_level)
@@ -463,6 +465,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
463 } 465 }
464 466
465 if (!obj_desc) { 467 if (!obj_desc) {
468
466 /* This could be a null element of a package */ 469 /* This could be a null element of a package */
467 470
468 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n")); 471 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Null Object Descriptor\n"));
@@ -522,7 +525,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
522 525
523 case AML_REF_OF_OP: 526 case AML_REF_OF_OP:
524 527
525 acpi_os_printf("Reference: (ref_of) %p\n", 528 acpi_os_printf("Reference: (RefOf) %p\n",
526 obj_desc->reference.object); 529 obj_desc->reference.object);
527 break; 530 break;
528 531
@@ -532,6 +535,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
532 obj_desc->reference.offset); 535 obj_desc->reference.offset);
533 536
534 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 537 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
538
535 /* Value is an Integer */ 539 /* Value is an Integer */
536 540
537 acpi_os_printf(" value is [%8.8X%8.8x]", 541 acpi_os_printf(" value is [%8.8X%8.8x]",
@@ -610,7 +614,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
610 614
611 case ACPI_TYPE_PACKAGE: 615 case ACPI_TYPE_PACKAGE:
612 616
613 acpi_os_printf("Package [Len %X] element_array %p\n", 617 acpi_os_printf("Package [Len %X] ElementArray %p\n",
614 obj_desc->package.count, 618 obj_desc->package.count,
615 obj_desc->package.elements); 619 obj_desc->package.elements);
616 620
@@ -662,13 +666,13 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
662 666
663 case ACPI_TYPE_LOCAL_BANK_FIELD: 667 case ACPI_TYPE_LOCAL_BANK_FIELD:
664 668
665 acpi_os_printf("bank_field\n"); 669 acpi_os_printf("BankField\n");
666 break; 670 break;
667 671
668 case ACPI_TYPE_LOCAL_REGION_FIELD: 672 case ACPI_TYPE_LOCAL_REGION_FIELD:
669 673
670 acpi_os_printf 674 acpi_os_printf
671 ("region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n", 675 ("RegionField: Bits=%X AccWidth=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
672 obj_desc->field.bit_length, 676 obj_desc->field.bit_length,
673 obj_desc->field.access_byte_width, 677 obj_desc->field.access_byte_width,
674 obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK, 678 obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
@@ -681,12 +685,12 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
681 685
682 case ACPI_TYPE_LOCAL_INDEX_FIELD: 686 case ACPI_TYPE_LOCAL_INDEX_FIELD:
683 687
684 acpi_os_printf("index_field\n"); 688 acpi_os_printf("IndexField\n");
685 break; 689 break;
686 690
687 case ACPI_TYPE_BUFFER_FIELD: 691 case ACPI_TYPE_BUFFER_FIELD:
688 692
689 acpi_os_printf("buffer_field: %X bits at byte %X bit %X of\n", 693 acpi_os_printf("BufferField: %X bits at byte %X bit %X of\n",
690 obj_desc->buffer_field.bit_length, 694 obj_desc->buffer_field.bit_length,
691 obj_desc->buffer_field.base_byte_offset, 695 obj_desc->buffer_field.base_byte_offset,
692 obj_desc->buffer_field.start_field_bit_offset); 696 obj_desc->buffer_field.start_field_bit_offset);
@@ -777,7 +781,7 @@ acpi_ex_dump_operands(union acpi_operand_object **operands,
777{ 781{
778 acpi_native_uint i; 782 acpi_native_uint i;
779 783
780 ACPI_FUNCTION_NAME("ex_dump_operands"); 784 ACPI_FUNCTION_NAME(ex_dump_operands);
781 785
782 if (!ident) { 786 if (!ident) {
783 ident = "?"; 787 ident = "?";
@@ -901,7 +905,7 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc)
901 acpi_os_printf("Could not convert name to pathname\n"); 905 acpi_os_printf("Could not convert name to pathname\n");
902 } else { 906 } else {
903 acpi_os_printf("%s\n", (char *)ret_buf.pointer); 907 acpi_os_printf("%s\n", (char *)ret_buf.pointer);
904 ACPI_MEM_FREE(ret_buf.pointer); 908 ACPI_FREE(ret_buf.pointer);
905 } 909 }
906 } else if (obj_desc->reference.object) { 910 } else if (obj_desc->reference.object) {
907 acpi_os_printf("\nReferenced Object: %p\n", 911 acpi_os_printf("\nReferenced Object: %p\n",
@@ -1017,7 +1021,7 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc,
1017void 1021void
1018acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags) 1022acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
1019{ 1023{
1020 ACPI_FUNCTION_TRACE("ex_dump_object_descriptor"); 1024 ACPI_FUNCTION_TRACE(ex_dump_object_descriptor);
1021 1025
1022 if (!obj_desc) { 1026 if (!obj_desc) {
1023 return_VOID; 1027 return_VOID;
@@ -1046,7 +1050,7 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags)
1046 1050
1047 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) { 1051 if (ACPI_GET_DESCRIPTOR_TYPE(obj_desc) != ACPI_DESC_TYPE_OPERAND) {
1048 acpi_os_printf 1052 acpi_os_printf
1049 ("ex_dump_object_descriptor: %p is not an ACPI operand object: [%s]\n", 1053 ("ExDumpObjectDescriptor: %p is not an ACPI operand object: [%s]\n",
1050 obj_desc, acpi_ut_get_descriptor_name(obj_desc)); 1054 obj_desc, acpi_ut_get_descriptor_name(obj_desc));
1051 return_VOID; 1055 return_VOID;
1052 } 1056 }
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index e259201ce9a0..9ea9c3a67ca9 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -73,7 +73,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
73 void *buffer; 73 void *buffer;
74 u8 locked; 74 u8 locked;
75 75
76 ACPI_FUNCTION_TRACE_PTR("ex_read_data_from_field", obj_desc); 76 ACPI_FUNCTION_TRACE_PTR(ex_read_data_from_field, obj_desc);
77 77
78 /* Parameter validation */ 78 /* Parameter validation */
79 79
@@ -142,6 +142,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
142 length = 142 length =
143 (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length); 143 (acpi_size) ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->field.bit_length);
144 if (length > acpi_gbl_integer_byte_width) { 144 if (length > acpi_gbl_integer_byte_width) {
145
145 /* Field is too large for an Integer, create a Buffer instead */ 146 /* Field is too large for an Integer, create a Buffer instead */
146 147
147 buffer_desc = acpi_ut_create_buffer_object(length); 148 buffer_desc = acpi_ut_create_buffer_object(length);
@@ -163,11 +164,11 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
163 } 164 }
164 165
165 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 166 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
166 "field_read [TO]: Obj %p, Type %X, Buf %p, byte_len %X\n", 167 "FieldRead [TO]: Obj %p, Type %X, Buf %p, ByteLen %X\n",
167 obj_desc, ACPI_GET_OBJECT_TYPE(obj_desc), buffer, 168 obj_desc, ACPI_GET_OBJECT_TYPE(obj_desc), buffer,
168 (u32) length)); 169 (u32) length));
169 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 170 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
170 "field_read [FROM]: bit_len %X, bit_off %X, byte_off %X\n", 171 "FieldRead [FROM]: BitLen %X, BitOff %X, ByteOff %X\n",
171 obj_desc->common_field.bit_length, 172 obj_desc->common_field.bit_length,
172 obj_desc->common_field.start_field_bit_offset, 173 obj_desc->common_field.start_field_bit_offset,
173 obj_desc->common_field.base_byte_offset)); 174 obj_desc->common_field.base_byte_offset));
@@ -219,7 +220,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
219 u8 locked; 220 u8 locked;
220 union acpi_operand_object *buffer_desc; 221 union acpi_operand_object *buffer_desc;
221 222
222 ACPI_FUNCTION_TRACE_PTR("ex_write_data_to_field", obj_desc); 223 ACPI_FUNCTION_TRACE_PTR(ex_write_data_to_field, obj_desc);
223 224
224 /* Parameter validation */ 225 /* Parameter validation */
225 226
@@ -329,9 +330,10 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
329 ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length); 330 ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length);
330 331
331 if (length < required_length) { 332 if (length < required_length) {
333
332 /* We need to create a new buffer */ 334 /* We need to create a new buffer */
333 335
334 new_buffer = ACPI_MEM_CALLOCATE(required_length); 336 new_buffer = ACPI_ALLOCATE_ZEROED(required_length);
335 if (!new_buffer) { 337 if (!new_buffer) {
336 return_ACPI_STATUS(AE_NO_MEMORY); 338 return_ACPI_STATUS(AE_NO_MEMORY);
337 } 339 }
@@ -347,14 +349,14 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
347 } 349 }
348 350
349 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 351 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
350 "field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n", 352 "FieldWrite [FROM]: Obj %p (%s:%X), Buf %p, ByteLen %X\n",
351 source_desc, 353 source_desc,
352 acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE 354 acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE
353 (source_desc)), 355 (source_desc)),
354 ACPI_GET_OBJECT_TYPE(source_desc), buffer, length)); 356 ACPI_GET_OBJECT_TYPE(source_desc), buffer, length));
355 357
356 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 358 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
357 "field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n", 359 "FieldWrite [TO]: Obj %p (%s:%X), BitLen %X, BitOff %X, ByteOff %X\n",
358 obj_desc, 360 obj_desc,
359 acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)), 361 acpi_ut_get_type_name(ACPI_GET_OBJECT_TYPE(obj_desc)),
360 ACPI_GET_OBJECT_TYPE(obj_desc), 362 ACPI_GET_OBJECT_TYPE(obj_desc),
@@ -375,7 +377,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
375 /* Free temporary buffer if we used one */ 377 /* Free temporary buffer if we used one */
376 378
377 if (new_buffer) { 379 if (new_buffer) {
378 ACPI_MEM_FREE(new_buffer); 380 ACPI_FREE(new_buffer);
379 } 381 }
380 382
381 return_ACPI_STATUS(status); 383 return_ACPI_STATUS(status);
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index bd1af35f7fcf..051053f7cccb 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -87,7 +87,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
87 acpi_status status = AE_OK; 87 acpi_status status = AE_OK;
88 union acpi_operand_object *rgn_desc; 88 union acpi_operand_object *rgn_desc;
89 89
90 ACPI_FUNCTION_TRACE_U32("ex_setup_region", field_datum_byte_offset); 90 ACPI_FUNCTION_TRACE_U32(ex_setup_region, field_datum_byte_offset);
91 91
92 rgn_desc = obj_desc->common_field.region_obj; 92 rgn_desc = obj_desc->common_field.region_obj;
93 93
@@ -112,7 +112,18 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
112 } 112 }
113 } 113 }
114 114
115 /* Exit if Address/Length have been disallowed by the host OS */
116
117 if (rgn_desc->common.flags & AOPOBJ_INVALID) {
118 return_ACPI_STATUS(AE_AML_ILLEGAL_ADDRESS);
119 }
120
121 /*
122 * Exit now for SMBus address space, it has a non-linear address space
123 * and the request cannot be directly validated
124 */
115 if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS) { 125 if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS) {
126
116 /* SMBus has a non-linear address space */ 127 /* SMBus has a non-linear address space */
117 128
118 return_ACPI_STATUS(AE_OK); 129 return_ACPI_STATUS(AE_OK);
@@ -134,10 +145,10 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
134 * length of one field datum (access width) must fit within the region. 145 * length of one field datum (access width) must fit within the region.
135 * (Region length is specified in bytes) 146 * (Region length is specified in bytes)
136 */ 147 */
137 if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset + 148 if (rgn_desc->region.length <
138 field_datum_byte_offset + 149 (obj_desc->common_field.base_byte_offset +
139 obj_desc->common_field. 150 field_datum_byte_offset +
140 access_byte_width)) { 151 obj_desc->common_field.access_byte_width)) {
141 if (acpi_gbl_enable_interpreter_slack) { 152 if (acpi_gbl_enable_interpreter_slack) {
142 /* 153 /*
143 * Slack mode only: We will go ahead and allow access to this 154 * Slack mode only: We will go ahead and allow access to this
@@ -217,7 +228,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
217 union acpi_operand_object *rgn_desc; 228 union acpi_operand_object *rgn_desc;
218 acpi_physical_address address; 229 acpi_physical_address address;
219 230
220 ACPI_FUNCTION_TRACE("ex_access_region"); 231 ACPI_FUNCTION_TRACE(ex_access_region);
221 232
222 /* 233 /*
223 * Ensure that the region operands are fully evaluated and verify 234 * Ensure that the region operands are fully evaluated and verify
@@ -246,7 +257,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
246 } 257 }
247 258
248 ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD, 259 ACPI_DEBUG_PRINT_RAW((ACPI_DB_BFIELD,
249 " Region [%s:%X], Width %X, byte_base %X, Offset %X at %8.8X%8.8X\n", 260 " Region [%s:%X], Width %X, ByteBase %X, Offset %X at %8.8X%8.8X\n",
250 acpi_ut_get_region_name(rgn_desc->region. 261 acpi_ut_get_region_name(rgn_desc->region.
251 space_id), 262 space_id),
252 rgn_desc->region.space_id, 263 rgn_desc->region.space_id,
@@ -352,7 +363,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
352 acpi_status status; 363 acpi_status status;
353 acpi_integer local_value; 364 acpi_integer local_value;
354 365
355 ACPI_FUNCTION_TRACE_U32("ex_field_datum_io", field_datum_byte_offset); 366 ACPI_FUNCTION_TRACE_U32(ex_field_datum_io, field_datum_byte_offset);
356 367
357 if (read_write == ACPI_READ) { 368 if (read_write == ACPI_READ) {
358 if (!value) { 369 if (!value) {
@@ -487,10 +498,11 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
487 } 498 }
488 499
489 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 500 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
490 "I/O to Data Register: value_ptr %p\n", 501 "I/O to Data Register: ValuePtr %p\n",
491 value)); 502 value));
492 503
493 if (read_write == ACPI_READ) { 504 if (read_write == ACPI_READ) {
505
494 /* Read the datum from the data_register */ 506 /* Read the datum from the data_register */
495 507
496 status = 508 status =
@@ -559,7 +571,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
559 acpi_integer merged_value; 571 acpi_integer merged_value;
560 acpi_integer current_value; 572 acpi_integer current_value;
561 573
562 ACPI_FUNCTION_TRACE_U32("ex_write_with_update_rule", mask); 574 ACPI_FUNCTION_TRACE_U32(ex_write_with_update_rule, mask);
563 575
564 /* Start with the new bits */ 576 /* Start with the new bits */
565 577
@@ -568,6 +580,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
568 /* If the mask is all ones, we don't need to worry about the update rule */ 580 /* If the mask is all ones, we don't need to worry about the update rule */
569 581
570 if (mask != ACPI_INTEGER_MAX) { 582 if (mask != ACPI_INTEGER_MAX) {
583
571 /* Decode the update rule */ 584 /* Decode the update rule */
572 585
573 switch (obj_desc->common_field. 586 switch (obj_desc->common_field.
@@ -614,7 +627,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
614 default: 627 default:
615 628
616 ACPI_ERROR((AE_INFO, 629 ACPI_ERROR((AE_INFO,
617 "Unknown update_rule value: %X", 630 "Unknown UpdateRule value: %X",
618 (obj_desc->common_field. 631 (obj_desc->common_field.
619 field_flags & 632 field_flags &
620 AML_FIELD_UPDATE_RULE_MASK))); 633 AML_FIELD_UPDATE_RULE_MASK)));
@@ -623,7 +636,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
623 } 636 }
624 637
625 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 638 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
626 "Mask %8.8X%8.8X, datum_offset %X, Width %X, Value %8.8X%8.8X, merged_value %8.8X%8.8X\n", 639 "Mask %8.8X%8.8X, DatumOffset %X, Width %X, Value %8.8X%8.8X, MergedValue %8.8X%8.8X\n",
627 ACPI_FORMAT_UINT64(mask), 640 ACPI_FORMAT_UINT64(mask),
628 field_datum_byte_offset, 641 field_datum_byte_offset,
629 obj_desc->common_field.access_byte_width, 642 obj_desc->common_field.access_byte_width,
@@ -666,7 +679,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
666 u32 field_datum_count; 679 u32 field_datum_count;
667 u32 i; 680 u32 i;
668 681
669 ACPI_FUNCTION_TRACE("ex_extract_from_field"); 682 ACPI_FUNCTION_TRACE(ex_extract_from_field);
670 683
671 /* Validate target buffer and clear it */ 684 /* Validate target buffer and clear it */
672 685
@@ -704,6 +717,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
704 /* Read the rest of the field */ 717 /* Read the rest of the field */
705 718
706 for (i = 1; i < field_datum_count; i++) { 719 for (i = 1; i < field_datum_count; i++) {
720
707 /* Get next input datum from the field */ 721 /* Get next input datum from the field */
708 722
709 field_offset += obj_desc->common_field.access_byte_width; 723 field_offset += obj_desc->common_field.access_byte_width;
@@ -771,6 +785,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
771{ 785{
772 acpi_status status; 786 acpi_status status;
773 acpi_integer mask; 787 acpi_integer mask;
788 acpi_integer width_mask;
774 acpi_integer merged_datum; 789 acpi_integer merged_datum;
775 acpi_integer raw_datum = 0; 790 acpi_integer raw_datum = 0;
776 u32 field_offset = 0; 791 u32 field_offset = 0;
@@ -780,7 +795,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
780 u32 field_datum_count; 795 u32 field_datum_count;
781 u32 i; 796 u32 i;
782 797
783 ACPI_FUNCTION_TRACE("ex_insert_into_field"); 798 ACPI_FUNCTION_TRACE(ex_insert_into_field);
784 799
785 /* Validate input buffer */ 800 /* Validate input buffer */
786 801
@@ -795,15 +810,20 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
795 810
796 /* Compute the number of datums (access width data items) */ 811 /* Compute the number of datums (access width data items) */
797 812
813 width_mask =
814 ACPI_MASK_BITS_ABOVE(obj_desc->common_field.access_bit_width);
798 mask = 815 mask =
799 ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset); 816 width_mask & ACPI_MASK_BITS_BELOW(obj_desc->common_field.
800 datum_count = 817 start_field_bit_offset);
801 ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length, 818
802 obj_desc->common_field.access_bit_width); 819 datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length,
803 field_datum_count = 820 obj_desc->common_field.access_bit_width);
804 ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length + 821
805 obj_desc->common_field.start_field_bit_offset, 822 field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length +
806 obj_desc->common_field.access_bit_width); 823 obj_desc->common_field.
824 start_field_bit_offset,
825 obj_desc->common_field.
826 access_bit_width);
807 827
808 /* Get initial Datum from the input buffer */ 828 /* Get initial Datum from the input buffer */
809 829
@@ -817,6 +837,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
817 /* Write the entire field */ 837 /* Write the entire field */
818 838
819 for (i = 1; i < field_datum_count; i++) { 839 for (i = 1; i < field_datum_count; i++) {
840
820 /* Write merged datum to the target field */ 841 /* Write merged datum to the target field */
821 842
822 merged_datum &= mask; 843 merged_datum &= mask;
@@ -833,7 +854,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc,
833 merged_datum = raw_datum >> 854 merged_datum = raw_datum >>
834 (obj_desc->common_field.access_bit_width - 855 (obj_desc->common_field.access_bit_width -
835 obj_desc->common_field.start_field_bit_offset); 856 obj_desc->common_field.start_field_bit_offset);
836 mask = ACPI_INTEGER_MAX; 857 mask = width_mask;
837 858
838 if (i == datum_count) { 859 if (i == datum_count) {
839 break; 860 break;
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 48c18d29222a..bd98aab017cf 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -72,7 +72,7 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
72 union acpi_operand_object *reference_obj; 72 union acpi_operand_object *reference_obj;
73 union acpi_operand_object *referenced_obj; 73 union acpi_operand_object *referenced_obj;
74 74
75 ACPI_FUNCTION_TRACE_PTR("ex_get_object_reference", obj_desc); 75 ACPI_FUNCTION_TRACE_PTR(ex_get_object_reference, obj_desc);
76 76
77 *return_desc = NULL; 77 *return_desc = NULL;
78 78
@@ -168,7 +168,7 @@ acpi_ex_concat_template(union acpi_operand_object *operand0,
168 acpi_size length1; 168 acpi_size length1;
169 acpi_size new_length; 169 acpi_size new_length;
170 170
171 ACPI_FUNCTION_TRACE("ex_concat_template"); 171 ACPI_FUNCTION_TRACE(ex_concat_template);
172 172
173 /* 173 /*
174 * Find the end_tag descriptor in each resource template. 174 * Find the end_tag descriptor in each resource template.
@@ -250,7 +250,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
250 char *new_buf; 250 char *new_buf;
251 acpi_status status; 251 acpi_status status;
252 252
253 ACPI_FUNCTION_TRACE("ex_do_concatenate"); 253 ACPI_FUNCTION_TRACE(ex_do_concatenate);
254 254
255 /* 255 /*
256 * Convert the second operand if necessary. The first operand 256 * Convert the second operand if necessary. The first operand
@@ -445,10 +445,24 @@ acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1)
445 445
446 case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */ 446 case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */
447 447
448 /*
449 * We need to check if the shiftcount is larger than the integer bit
450 * width since the behavior of this is not well-defined in the C language.
451 */
452 if (integer1 >= acpi_gbl_integer_bit_width) {
453 return (0);
454 }
448 return (integer0 << integer1); 455 return (integer0 << integer1);
449 456
450 case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */ 457 case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
451 458
459 /*
460 * We need to check if the shiftcount is larger than the integer bit
461 * width since the behavior of this is not well-defined in the C language.
462 */
463 if (integer1 >= acpi_gbl_integer_bit_width) {
464 return (0);
465 }
452 return (integer0 >> integer1); 466 return (integer0 >> integer1);
453 467
454 case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */ 468 case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
@@ -489,7 +503,7 @@ acpi_ex_do_logical_numeric_op(u16 opcode,
489 acpi_status status = AE_OK; 503 acpi_status status = AE_OK;
490 u8 local_result = FALSE; 504 u8 local_result = FALSE;
491 505
492 ACPI_FUNCTION_TRACE("ex_do_logical_numeric_op"); 506 ACPI_FUNCTION_TRACE(ex_do_logical_numeric_op);
493 507
494 switch (opcode) { 508 switch (opcode) {
495 case AML_LAND_OP: /* LAnd (Integer0, Integer1) */ 509 case AML_LAND_OP: /* LAnd (Integer0, Integer1) */
@@ -557,7 +571,7 @@ acpi_ex_do_logical_op(u16 opcode,
557 u8 local_result = FALSE; 571 u8 local_result = FALSE;
558 int compare; 572 int compare;
559 573
560 ACPI_FUNCTION_TRACE("ex_do_logical_op"); 574 ACPI_FUNCTION_TRACE(ex_do_logical_op);
561 575
562 /* 576 /*
563 * Convert the second operand if necessary. The first operand 577 * Convert the second operand if necessary. The first operand
@@ -649,6 +663,7 @@ acpi_ex_do_logical_op(u16 opcode,
649 /* Length and all bytes must be equal */ 663 /* Length and all bytes must be equal */
650 664
651 if ((length0 == length1) && (compare == 0)) { 665 if ((length0 == length1) && (compare == 0)) {
666
652 /* Length and all bytes match ==> TRUE */ 667 /* Length and all bytes match ==> TRUE */
653 668
654 local_result = TRUE; 669 local_result = TRUE;
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index f843b22e20b9..93098d68cadf 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -61,7 +61,7 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
61 * 61 *
62 * RETURN: None 62 * RETURN: None
63 * 63 *
64 * DESCRIPTION: Remove a mutex from the "acquired_mutex" list 64 * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list
65 * 65 *
66 ******************************************************************************/ 66 ******************************************************************************/
67 67
@@ -95,7 +95,7 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
95 * 95 *
96 * RETURN: None 96 * RETURN: None
97 * 97 *
98 * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk 98 * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk
99 * 99 *
100 ******************************************************************************/ 100 ******************************************************************************/
101 101
@@ -144,7 +144,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
144{ 144{
145 acpi_status status; 145 acpi_status status;
146 146
147 ACPI_FUNCTION_TRACE_PTR("ex_acquire_mutex", obj_desc); 147 ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex, obj_desc);
148 148
149 if (!obj_desc) { 149 if (!obj_desc) {
150 return_ACPI_STATUS(AE_BAD_PARAMETER); 150 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -165,7 +165,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
165 */ 165 */
166 if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { 166 if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
167 ACPI_ERROR((AE_INFO, 167 ACPI_ERROR((AE_INFO,
168 "Cannot acquire Mutex [%4.4s], incorrect sync_level", 168 "Cannot acquire Mutex [%4.4s], incorrect SyncLevel",
169 acpi_ut_get_node_name(obj_desc->mutex.node))); 169 acpi_ut_get_node_name(obj_desc->mutex.node)));
170 return_ACPI_STATUS(AE_AML_MUTEX_ORDER); 170 return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
171 } 171 }
@@ -173,6 +173,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
173 /* Support for multiple acquires by the owning thread */ 173 /* Support for multiple acquires by the owning thread */
174 174
175 if (obj_desc->mutex.owner_thread) { 175 if (obj_desc->mutex.owner_thread) {
176
176 /* Special case for Global Lock, allow all threads */ 177 /* Special case for Global Lock, allow all threads */
177 178
178 if ((obj_desc->mutex.owner_thread->thread_id == 179 if ((obj_desc->mutex.owner_thread->thread_id ==
@@ -192,6 +193,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
192 193
193 status = acpi_ex_system_acquire_mutex(time_desc, obj_desc); 194 status = acpi_ex_system_acquire_mutex(time_desc, obj_desc);
194 if (ACPI_FAILURE(status)) { 195 if (ACPI_FAILURE(status)) {
196
195 /* Includes failure from a timeout on time_desc */ 197 /* Includes failure from a timeout on time_desc */
196 198
197 return_ACPI_STATUS(status); 199 return_ACPI_STATUS(status);
@@ -232,7 +234,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
232{ 234{
233 acpi_status status; 235 acpi_status status;
234 236
235 ACPI_FUNCTION_TRACE("ex_release_mutex"); 237 ACPI_FUNCTION_TRACE(ex_release_mutex);
236 238
237 if (!obj_desc) { 239 if (!obj_desc) {
238 return_ACPI_STATUS(AE_BAD_PARAMETER); 240 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -277,7 +279,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
277 */ 279 */
278 if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { 280 if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
279 ACPI_ERROR((AE_INFO, 281 ACPI_ERROR((AE_INFO,
280 "Cannot release Mutex [%4.4s], incorrect sync_level", 282 "Cannot release Mutex [%4.4s], incorrect SyncLevel",
281 acpi_ut_get_node_name(obj_desc->mutex.node))); 283 acpi_ut_get_node_name(obj_desc->mutex.node)));
282 return_ACPI_STATUS(AE_AML_MUTEX_ORDER); 284 return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
283 } 285 }
@@ -286,6 +288,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
286 288
287 obj_desc->mutex.acquisition_depth--; 289 obj_desc->mutex.acquisition_depth--;
288 if (obj_desc->mutex.acquisition_depth != 0) { 290 if (obj_desc->mutex.acquisition_depth != 0) {
291
289 /* Just decrement the depth and return */ 292 /* Just decrement the depth and return */
290 293
291 return_ACPI_STATUS(AE_OK); 294 return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 054fe5e1a314..d3d70364626c 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -77,7 +77,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
77 char *name_string; 77 char *name_string;
78 u32 size_needed; 78 u32 size_needed;
79 79
80 ACPI_FUNCTION_TRACE("ex_allocate_name_string"); 80 ACPI_FUNCTION_TRACE(ex_allocate_name_string);
81 81
82 /* 82 /*
83 * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix. 83 * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
@@ -85,6 +85,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
85 * This may actually be somewhat longer than needed. 85 * This may actually be somewhat longer than needed.
86 */ 86 */
87 if (prefix_count == ACPI_UINT32_MAX) { 87 if (prefix_count == ACPI_UINT32_MAX) {
88
88 /* Special case for root */ 89 /* Special case for root */
89 90
90 size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1; 91 size_needed = 1 + (ACPI_NAME_SIZE * num_name_segs) + 2 + 1;
@@ -97,7 +98,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
97 * Allocate a buffer for the name. 98 * Allocate a buffer for the name.
98 * This buffer must be deleted by the caller! 99 * This buffer must be deleted by the caller!
99 */ 100 */
100 name_string = ACPI_MEM_ALLOCATE(size_needed); 101 name_string = ACPI_ALLOCATE(size_needed);
101 if (!name_string) { 102 if (!name_string) {
102 ACPI_ERROR((AE_INFO, 103 ACPI_ERROR((AE_INFO,
103 "Could not allocate size %d", size_needed)); 104 "Could not allocate size %d", size_needed));
@@ -119,11 +120,13 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
119 /* Set up Dual or Multi prefixes if needed */ 120 /* Set up Dual or Multi prefixes if needed */
120 121
121 if (num_name_segs > 2) { 122 if (num_name_segs > 2) {
123
122 /* Set up multi prefixes */ 124 /* Set up multi prefixes */
123 125
124 *temp_ptr++ = AML_MULTI_NAME_PREFIX_OP; 126 *temp_ptr++ = AML_MULTI_NAME_PREFIX_OP;
125 *temp_ptr++ = (char)num_name_segs; 127 *temp_ptr++ = (char)num_name_segs;
126 } else if (2 == num_name_segs) { 128 } else if (2 == num_name_segs) {
129
127 /* Set up dual prefixes */ 130 /* Set up dual prefixes */
128 131
129 *temp_ptr++ = AML_DUAL_NAME_PREFIX; 132 *temp_ptr++ = AML_DUAL_NAME_PREFIX;
@@ -159,7 +162,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
159 u32 index; 162 u32 index;
160 char char_buf[5]; 163 char char_buf[5];
161 164
162 ACPI_FUNCTION_TRACE("ex_name_segment"); 165 ACPI_FUNCTION_TRACE(ex_name_segment);
163 166
164 /* 167 /*
165 * If first character is a digit, then we know that we aren't looking at a 168 * If first character is a digit, then we know that we aren't looking at a
@@ -176,7 +179,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
176 179
177 for (index = 0; 180 for (index = 0;
178 (index < ACPI_NAME_SIZE) 181 (index < ACPI_NAME_SIZE)
179 && (acpi_ut_valid_acpi_character(*aml_address)); index++) { 182 && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
180 char_buf[index] = *aml_address++; 183 char_buf[index] = *aml_address++;
181 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); 184 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
182 } 185 }
@@ -184,6 +187,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
184 /* Valid name segment */ 187 /* Valid name segment */
185 188
186 if (index == 4) { 189 if (index == 4) {
190
187 /* Found 4 valid characters */ 191 /* Found 4 valid characters */
188 192
189 char_buf[4] = '\0'; 193 char_buf[4] = '\0';
@@ -249,11 +253,12 @@ acpi_ex_get_name_string(acpi_object_type data_type,
249 u32 prefix_count = 0; 253 u32 prefix_count = 0;
250 u8 has_prefix = FALSE; 254 u8 has_prefix = FALSE;
251 255
252 ACPI_FUNCTION_TRACE_PTR("ex_get_name_string", aml_address); 256 ACPI_FUNCTION_TRACE_PTR(ex_get_name_string, aml_address);
253 257
254 if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type || 258 if (ACPI_TYPE_LOCAL_REGION_FIELD == data_type ||
255 ACPI_TYPE_LOCAL_BANK_FIELD == data_type || 259 ACPI_TYPE_LOCAL_BANK_FIELD == data_type ||
256 ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) { 260 ACPI_TYPE_LOCAL_INDEX_FIELD == data_type) {
261
257 /* Disallow prefixes for types associated with field_unit names */ 262 /* Disallow prefixes for types associated with field_unit names */
258 263
259 name_string = acpi_ex_allocate_name_string(0, 1); 264 name_string = acpi_ex_allocate_name_string(0, 1);
@@ -272,7 +277,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
272 case AML_ROOT_PREFIX: 277 case AML_ROOT_PREFIX:
273 278
274 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, 279 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
275 "root_prefix(\\) at %p\n", 280 "RootPrefix(\\) at %p\n",
276 aml_address)); 281 aml_address));
277 282
278 /* 283 /*
@@ -290,7 +295,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
290 295
291 do { 296 do {
292 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, 297 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
293 "parent_prefix (^) at %p\n", 298 "ParentPrefix (^) at %p\n",
294 aml_address)); 299 aml_address));
295 300
296 aml_address++; 301 aml_address++;
@@ -314,7 +319,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
314 case AML_DUAL_NAME_PREFIX: 319 case AML_DUAL_NAME_PREFIX:
315 320
316 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, 321 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
317 "dual_name_prefix at %p\n", 322 "DualNamePrefix at %p\n",
318 aml_address)); 323 aml_address));
319 324
320 aml_address++; 325 aml_address++;
@@ -341,7 +346,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
341 case AML_MULTI_NAME_PREFIX_OP: 346 case AML_MULTI_NAME_PREFIX_OP:
342 347
343 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, 348 ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
344 "multi_name_prefix at %p\n", 349 "MultiNamePrefix at %p\n",
345 aml_address)); 350 aml_address));
346 351
347 /* Fetch count of segments remaining in name path */ 352 /* Fetch count of segments remaining in name path */
@@ -377,7 +382,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
377 382
378 if (prefix_count == ACPI_UINT32_MAX) { 383 if (prefix_count == ACPI_UINT32_MAX) {
379 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 384 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
380 "name_seg is \"\\\" followed by NULL\n")); 385 "NameSeg is \"\\\" followed by NULL\n"));
381 } 386 }
382 387
383 /* Consume the NULL byte */ 388 /* Consume the NULL byte */
@@ -410,6 +415,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
410 } 415 }
411 416
412 if (AE_CTRL_PENDING == status && has_prefix) { 417 if (AE_CTRL_PENDING == status && has_prefix) {
418
413 /* Ran out of segments after processing a prefix */ 419 /* Ran out of segments after processing a prefix */
414 420
415 ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string)); 421 ACPI_ERROR((AE_INFO, "Malformed Name at %p", name_string));
@@ -418,7 +424,7 @@ acpi_ex_get_name_string(acpi_object_type data_type,
418 424
419 if (ACPI_FAILURE(status)) { 425 if (ACPI_FAILURE(status)) {
420 if (name_string) { 426 if (name_string) {
421 ACPI_MEM_FREE(name_string); 427 ACPI_FREE(name_string);
422 } 428 }
423 return_ACPI_STATUS(status); 429 return_ACPI_STATUS(status);
424 } 430 }
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index 23d0823bcd5e..6374d8be88e0 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -89,7 +89,7 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
89 acpi_status status = AE_OK; 89 acpi_status status = AE_OK;
90 union acpi_operand_object *return_desc = NULL; 90 union acpi_operand_object *return_desc = NULL;
91 91
92 ACPI_FUNCTION_TRACE_STR("ex_opcode_0A_0T_1R", 92 ACPI_FUNCTION_TRACE_STR(ex_opcode_0A_0T_1R,
93 acpi_ps_get_opcode_name(walk_state->opcode)); 93 acpi_ps_get_opcode_name(walk_state->opcode));
94 94
95 /* Examine the AML opcode */ 95 /* Examine the AML opcode */
@@ -150,7 +150,7 @@ acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state)
150 union acpi_operand_object **operand = &walk_state->operands[0]; 150 union acpi_operand_object **operand = &walk_state->operands[0];
151 acpi_status status = AE_OK; 151 acpi_status status = AE_OK;
152 152
153 ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_0T_0R", 153 ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_0R,
154 acpi_ps_get_opcode_name(walk_state->opcode)); 154 acpi_ps_get_opcode_name(walk_state->opcode));
155 155
156 /* Examine the AML opcode */ 156 /* Examine the AML opcode */
@@ -216,7 +216,7 @@ acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state)
216 acpi_status status = AE_OK; 216 acpi_status status = AE_OK;
217 union acpi_operand_object **operand = &walk_state->operands[0]; 217 union acpi_operand_object **operand = &walk_state->operands[0];
218 218
219 ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_1T_0R", 219 ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_0R,
220 acpi_ps_get_opcode_name(walk_state->opcode)); 220 acpi_ps_get_opcode_name(walk_state->opcode));
221 221
222 /* Examine the AML opcode */ 222 /* Examine the AML opcode */
@@ -264,7 +264,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
264 acpi_integer power_of_ten; 264 acpi_integer power_of_ten;
265 acpi_integer digit; 265 acpi_integer digit;
266 266
267 ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_1T_1R", 267 ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_1T_1R,
268 acpi_ps_get_opcode_name(walk_state->opcode)); 268 acpi_ps_get_opcode_name(walk_state->opcode));
269 269
270 /* Examine the AML opcode */ 270 /* Examine the AML opcode */
@@ -322,8 +322,9 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
322 322
323 /* Since the bit position is one-based, subtract from 33 (65) */ 323 /* Since the bit position is one-based, subtract from 33 (65) */
324 324
325 return_desc->integer.value = temp32 == 0 ? 0 : 325 return_desc->integer.value =
326 (ACPI_INTEGER_BIT_SIZE + 1) - temp32; 326 temp32 ==
327 0 ? 0 : (ACPI_INTEGER_BIT_SIZE + 1) - temp32;
327 break; 328 break;
328 329
329 case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */ 330 case AML_FROM_BCD_OP: /* from_bcd (BCDValue, Result) */
@@ -342,6 +343,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
342 for (i = 0; 343 for (i = 0;
343 (i < acpi_gbl_integer_nybble_width) && (digit > 0); 344 (i < acpi_gbl_integer_nybble_width) && (digit > 0);
344 i++) { 345 i++) {
346
345 /* Get the least significant 4-bit BCD digit */ 347 /* Get the least significant 4-bit BCD digit */
346 348
347 temp32 = ((u32) digit) & 0xF; 349 temp32 = ((u32) digit) & 0xF;
@@ -487,6 +489,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
487 status = acpi_ex_convert_to_string(operand[0], &return_desc, 489 status = acpi_ex_convert_to_string(operand[0], &return_desc,
488 ACPI_EXPLICIT_CONVERT_DECIMAL); 490 ACPI_EXPLICIT_CONVERT_DECIMAL);
489 if (return_desc == operand[0]) { 491 if (return_desc == operand[0]) {
492
490 /* No conversion performed, add ref to handle return value */ 493 /* No conversion performed, add ref to handle return value */
491 acpi_ut_add_reference(return_desc); 494 acpi_ut_add_reference(return_desc);
492 } 495 }
@@ -497,6 +500,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
497 status = acpi_ex_convert_to_string(operand[0], &return_desc, 500 status = acpi_ex_convert_to_string(operand[0], &return_desc,
498 ACPI_EXPLICIT_CONVERT_HEX); 501 ACPI_EXPLICIT_CONVERT_HEX);
499 if (return_desc == operand[0]) { 502 if (return_desc == operand[0]) {
503
500 /* No conversion performed, add ref to handle return value */ 504 /* No conversion performed, add ref to handle return value */
501 acpi_ut_add_reference(return_desc); 505 acpi_ut_add_reference(return_desc);
502 } 506 }
@@ -506,6 +510,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
506 510
507 status = acpi_ex_convert_to_buffer(operand[0], &return_desc); 511 status = acpi_ex_convert_to_buffer(operand[0], &return_desc);
508 if (return_desc == operand[0]) { 512 if (return_desc == operand[0]) {
513
509 /* No conversion performed, add ref to handle return value */ 514 /* No conversion performed, add ref to handle return value */
510 acpi_ut_add_reference(return_desc); 515 acpi_ut_add_reference(return_desc);
511 } 516 }
@@ -516,6 +521,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
516 status = acpi_ex_convert_to_integer(operand[0], &return_desc, 521 status = acpi_ex_convert_to_integer(operand[0], &return_desc,
517 ACPI_ANY_BASE); 522 ACPI_ANY_BASE);
518 if (return_desc == operand[0]) { 523 if (return_desc == operand[0]) {
524
519 /* No conversion performed, add ref to handle return value */ 525 /* No conversion performed, add ref to handle return value */
520 acpi_ut_add_reference(return_desc); 526 acpi_ut_add_reference(return_desc);
521 } 527 }
@@ -541,6 +547,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
541 } 547 }
542 548
543 if (ACPI_SUCCESS(status)) { 549 if (ACPI_SUCCESS(status)) {
550
544 /* Store the return value computed above into the target object */ 551 /* Store the return value computed above into the target object */
545 552
546 status = acpi_ex_store(return_desc, operand[1], walk_state); 553 status = acpi_ex_store(return_desc, operand[1], walk_state);
@@ -548,16 +555,18 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
548 555
549 cleanup: 556 cleanup:
550 557
551 if (!walk_state->result_obj) {
552 walk_state->result_obj = return_desc;
553 }
554
555 /* Delete return object on error */ 558 /* Delete return object on error */
556 559
557 if (ACPI_FAILURE(status)) { 560 if (ACPI_FAILURE(status)) {
558 acpi_ut_remove_reference(return_desc); 561 acpi_ut_remove_reference(return_desc);
559 } 562 }
560 563
564 /* Save return object on success */
565
566 else if (!walk_state->result_obj) {
567 walk_state->result_obj = return_desc;
568 }
569
561 return_ACPI_STATUS(status); 570 return_ACPI_STATUS(status);
562} 571}
563 572
@@ -582,7 +591,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
582 u32 type; 591 u32 type;
583 acpi_integer value; 592 acpi_integer value;
584 593
585 ACPI_FUNCTION_TRACE_STR("ex_opcode_1A_0T_1R", 594 ACPI_FUNCTION_TRACE_STR(ex_opcode_1A_0T_1R,
586 acpi_ps_get_opcode_name(walk_state->opcode)); 595 acpi_ps_get_opcode_name(walk_state->opcode));
587 596
588 /* Examine the AML opcode */ 597 /* Examine the AML opcode */
@@ -625,6 +634,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
625 temp_desc = operand[0]; 634 temp_desc = operand[0];
626 if (ACPI_GET_DESCRIPTOR_TYPE(temp_desc) == 635 if (ACPI_GET_DESCRIPTOR_TYPE(temp_desc) ==
627 ACPI_DESC_TYPE_OPERAND) { 636 ACPI_DESC_TYPE_OPERAND) {
637
628 /* Internal reference object - prevent deletion */ 638 /* Internal reference object - prevent deletion */
629 639
630 acpi_ut_add_reference(temp_desc); 640 acpi_ut_add_reference(temp_desc);
@@ -689,6 +699,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
689 if (ACPI_FAILURE(status)) { 699 if (ACPI_FAILURE(status)) {
690 goto cleanup; 700 goto cleanup;
691 } 701 }
702
692 /* Allocate a descriptor to hold the type. */ 703 /* Allocate a descriptor to hold the type. */
693 704
694 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); 705 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
@@ -777,8 +788,25 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
777 788
778 /* Check for a method local or argument, or standalone String */ 789 /* Check for a method local or argument, or standalone String */
779 790
780 if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) != 791 if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) ==
781 ACPI_DESC_TYPE_NAMED) { 792 ACPI_DESC_TYPE_NAMED) {
793 temp_desc =
794 acpi_ns_get_attached_object((struct
795 acpi_namespace_node *)
796 operand[0]);
797 if (temp_desc
798 &&
799 ((ACPI_GET_OBJECT_TYPE(temp_desc) ==
800 ACPI_TYPE_STRING)
801 || (ACPI_GET_OBJECT_TYPE(temp_desc) ==
802 ACPI_TYPE_LOCAL_REFERENCE))) {
803 operand[0] = temp_desc;
804 acpi_ut_add_reference(temp_desc);
805 } else {
806 status = AE_AML_OPERAND_TYPE;
807 goto cleanup;
808 }
809 } else {
782 switch (ACPI_GET_OBJECT_TYPE(operand[0])) { 810 switch (ACPI_GET_OBJECT_TYPE(operand[0])) {
783 case ACPI_TYPE_LOCAL_REFERENCE: 811 case ACPI_TYPE_LOCAL_REFERENCE:
784 /* 812 /*
@@ -827,26 +855,35 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
827 break; 855 break;
828 856
829 case ACPI_TYPE_STRING: 857 case ACPI_TYPE_STRING:
858 break;
830 859
860 default:
861 status = AE_AML_OPERAND_TYPE;
862 goto cleanup;
863 }
864 }
865
866 if (ACPI_GET_DESCRIPTOR_TYPE(operand[0]) !=
867 ACPI_DESC_TYPE_NAMED) {
868 if (ACPI_GET_OBJECT_TYPE(operand[0]) ==
869 ACPI_TYPE_STRING) {
831 /* 870 /*
832 * This is a deref_of (String). The string is a reference 871 * This is a deref_of (String). The string is a reference
833 * to a named ACPI object. 872 * to a named ACPI object.
834 * 873 *
835 * 1) Find the owning Node 874 * 1) Find the owning Node
836 * 2) Dereference the node to an actual object. Could be a 875 * 2) Dereference the node to an actual object. Could be a
837 * Field, so we need to resolve the node to a value. 876 * Field, so we need to resolve the node to a value.
838 */ 877 */
839 status = 878 status =
840 acpi_ns_get_node_by_path(operand[0]->string. 879 acpi_ns_get_node(walk_state->scope_info->
841 pointer, 880 scope.node,
842 walk_state-> 881 operand[0]->string.pointer,
843 scope_info->scope. 882 ACPI_NS_SEARCH_PARENT,
844 node, 883 ACPI_CAST_INDIRECT_PTR
845 ACPI_NS_SEARCH_PARENT, 884 (struct
846 ACPI_CAST_INDIRECT_PTR 885 acpi_namespace_node,
847 (struct 886 &return_desc));
848 acpi_namespace_node,
849 &return_desc));
850 if (ACPI_FAILURE(status)) { 887 if (ACPI_FAILURE(status)) {
851 goto cleanup; 888 goto cleanup;
852 } 889 }
@@ -857,11 +894,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
857 (struct acpi_namespace_node, &return_desc), 894 (struct acpi_namespace_node, &return_desc),
858 walk_state); 895 walk_state);
859 goto cleanup; 896 goto cleanup;
860
861 default:
862
863 status = AE_AML_OPERAND_TYPE;
864 goto cleanup;
865 } 897 }
866 } 898 }
867 899
@@ -937,13 +969,12 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
937 acpi_ut_add_reference 969 acpi_ut_add_reference
938 (return_desc); 970 (return_desc);
939 } 971 }
940
941 break; 972 break;
942 973
943 default: 974 default:
944 975
945 ACPI_ERROR((AE_INFO, 976 ACPI_ERROR((AE_INFO,
946 "Unknown Index target_type %X in obj %p", 977 "Unknown Index TargetType %X in obj %p",
947 operand[0]->reference. 978 operand[0]->reference.
948 target_type, operand[0])); 979 target_type, operand[0]));
949 status = AE_AML_OPERAND_TYPE; 980 status = AE_AML_OPERAND_TYPE;
@@ -957,7 +988,6 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
957 988
958 if (ACPI_GET_DESCRIPTOR_TYPE(return_desc) == 989 if (ACPI_GET_DESCRIPTOR_TYPE(return_desc) ==
959 ACPI_DESC_TYPE_NAMED) { 990 ACPI_DESC_TYPE_NAMED) {
960
961 return_desc = 991 return_desc =
962 acpi_ns_get_attached_object((struct 992 acpi_ns_get_attached_object((struct
963 acpi_namespace_node 993 acpi_namespace_node
@@ -972,7 +1002,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
972 1002
973 default: 1003 default:
974 ACPI_ERROR((AE_INFO, 1004 ACPI_ERROR((AE_INFO,
975 "Unknown opcode in ref(%p) - %X", 1005 "Unknown opcode in reference(%p) - %X",
976 operand[0], 1006 operand[0],
977 operand[0]->reference.opcode)); 1007 operand[0]->reference.opcode));
978 1008
@@ -998,6 +1028,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
998 acpi_ut_remove_reference(return_desc); 1028 acpi_ut_remove_reference(return_desc);
999 } 1029 }
1000 1030
1001 walk_state->result_obj = return_desc; 1031 /* Save return object on success */
1032
1033 else {
1034 walk_state->result_obj = return_desc;
1035 }
1036
1002 return_ACPI_STATUS(status); 1037 return_ACPI_STATUS(status);
1003} 1038}
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index e263a5ddd405..7d2cbc113160 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -92,7 +92,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
92 u32 value; 92 u32 value;
93 acpi_status status = AE_OK; 93 acpi_status status = AE_OK;
94 94
95 ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_0T_0R", 95 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_0R,
96 acpi_ps_get_opcode_name(walk_state->opcode)); 96 acpi_ps_get_opcode_name(walk_state->opcode));
97 97
98 /* Examine the opcode */ 98 /* Examine the opcode */
@@ -121,7 +121,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
121#ifdef ACPI_GPE_NOTIFY_CHECK 121#ifdef ACPI_GPE_NOTIFY_CHECK
122 /* 122 /*
123 * GPE method wake/notify check. Here, we want to ensure that we 123 * GPE method wake/notify check. Here, we want to ensure that we
124 * don't receive any "device_wake" Notifies from a GPE _Lxx or _Exx 124 * don't receive any "DeviceWake" Notifies from a GPE _Lxx or _Exx
125 * GPE method during system runtime. If we do, the GPE is marked 125 * GPE method during system runtime. If we do, the GPE is marked
126 * as "wake-only" and disabled. 126 * as "wake-only" and disabled.
127 * 127 *
@@ -138,6 +138,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
138 acpi_ev_check_for_wake_only_gpe(walk_state-> 138 acpi_ev_check_for_wake_only_gpe(walk_state->
139 gpe_event_info); 139 gpe_event_info);
140 if (ACPI_FAILURE(status)) { 140 if (ACPI_FAILURE(status)) {
141
141 /* AE_WAKE_ONLY_GPE only error, means ignore this notify */ 142 /* AE_WAKE_ONLY_GPE only error, means ignore this notify */
142 143
143 return_ACPI_STATUS(AE_OK) 144 return_ACPI_STATUS(AE_OK)
@@ -185,7 +186,7 @@ acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
185 union acpi_operand_object *return_desc2 = NULL; 186 union acpi_operand_object *return_desc2 = NULL;
186 acpi_status status; 187 acpi_status status;
187 188
188 ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_2T_1R", 189 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_2T_1R,
189 acpi_ps_get_opcode_name(walk_state->opcode)); 190 acpi_ps_get_opcode_name(walk_state->opcode));
190 191
191 /* Execute the opcode */ 192 /* Execute the opcode */
@@ -252,6 +253,7 @@ acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
252 acpi_ut_remove_reference(return_desc2); 253 acpi_ut_remove_reference(return_desc2);
253 254
254 if (ACPI_FAILURE(status)) { 255 if (ACPI_FAILURE(status)) {
256
255 /* Delete the return object */ 257 /* Delete the return object */
256 258
257 acpi_ut_remove_reference(return_desc1); 259 acpi_ut_remove_reference(return_desc1);
@@ -281,12 +283,13 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
281 acpi_status status = AE_OK; 283 acpi_status status = AE_OK;
282 acpi_size length; 284 acpi_size length;
283 285
284 ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_1T_1R", 286 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_1T_1R,
285 acpi_ps_get_opcode_name(walk_state->opcode)); 287 acpi_ps_get_opcode_name(walk_state->opcode));
286 288
287 /* Execute the opcode */ 289 /* Execute the opcode */
288 290
289 if (walk_state->op_info->flags & AML_MATH) { 291 if (walk_state->op_info->flags & AML_MATH) {
292
290 /* All simple math opcodes (add, etc.) */ 293 /* All simple math opcodes (add, etc.) */
291 294
292 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); 295 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
@@ -383,54 +386,70 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
383 goto cleanup; 386 goto cleanup;
384 } 387 }
385 388
389 /* Initialize the Index reference object */
390
386 index = operand[1]->integer.value; 391 index = operand[1]->integer.value;
392 return_desc->reference.offset = (u32) index;
393 return_desc->reference.opcode = AML_INDEX_OP;
387 394
388 /* At this point, the Source operand is a Package, Buffer, or String */ 395 /*
396 * At this point, the Source operand is a String, Buffer, or Package.
397 * Verify that the index is within range.
398 */
399 switch (ACPI_GET_OBJECT_TYPE(operand[0])) {
400 case ACPI_TYPE_STRING:
389 401
390 if (ACPI_GET_OBJECT_TYPE(operand[0]) == ACPI_TYPE_PACKAGE) { 402 if (index >= operand[0]->string.length) {
391 /* Object to be indexed is a Package */ 403 status = AE_AML_STRING_LIMIT;
404 }
405
406 return_desc->reference.target_type =
407 ACPI_TYPE_BUFFER_FIELD;
408 break;
409
410 case ACPI_TYPE_BUFFER:
411
412 if (index >= operand[0]->buffer.length) {
413 status = AE_AML_BUFFER_LIMIT;
414 }
415
416 return_desc->reference.target_type =
417 ACPI_TYPE_BUFFER_FIELD;
418 break;
419
420 case ACPI_TYPE_PACKAGE:
392 421
393 if (index >= operand[0]->package.count) { 422 if (index >= operand[0]->package.count) {
394 ACPI_ERROR((AE_INFO,
395 "Index value (%X%8.8X) beyond package end (%X)",
396 ACPI_FORMAT_UINT64(index),
397 operand[0]->package.count));
398 status = AE_AML_PACKAGE_LIMIT; 423 status = AE_AML_PACKAGE_LIMIT;
399 goto cleanup;
400 } 424 }
401 425
402 return_desc->reference.target_type = ACPI_TYPE_PACKAGE; 426 return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
403 return_desc->reference.object = operand[0];
404 return_desc->reference.where = 427 return_desc->reference.where =
405 &operand[0]->package.elements[index]; 428 &operand[0]->package.elements[index];
406 } else { 429 break;
407 /* Object to be indexed is a Buffer/String */
408 430
409 if (index >= operand[0]->buffer.length) { 431 default:
410 ACPI_ERROR((AE_INFO,
411 "Index value (%X%8.8X) beyond end of buffer (%X)",
412 ACPI_FORMAT_UINT64(index),
413 operand[0]->buffer.length));
414 status = AE_AML_BUFFER_LIMIT;
415 goto cleanup;
416 }
417 432
418 return_desc->reference.target_type = 433 status = AE_AML_INTERNAL;
419 ACPI_TYPE_BUFFER_FIELD; 434 goto cleanup;
420 return_desc->reference.object = operand[0]; 435 }
436
437 /* Failure means that the Index was beyond the end of the object */
438
439 if (ACPI_FAILURE(status)) {
440 ACPI_EXCEPTION((AE_INFO, status,
441 "Index (%X%8.8X) is beyond end of object",
442 ACPI_FORMAT_UINT64(index)));
443 goto cleanup;
421 } 444 }
422 445
423 /* 446 /*
424 * Add a reference to the target package/buffer/string for the life 447 * Save the target object and add a reference to it for the life
425 * of the index. 448 * of the index
426 */ 449 */
450 return_desc->reference.object = operand[0];
427 acpi_ut_add_reference(operand[0]); 451 acpi_ut_add_reference(operand[0]);
428 452
429 /* Complete the Index reference object */
430
431 return_desc->reference.opcode = AML_INDEX_OP;
432 return_desc->reference.offset = (u32) index;
433
434 /* Store the reference to the Target */ 453 /* Store the reference to the Target */
435 454
436 status = acpi_ex_store(return_desc, operand[2], walk_state); 455 status = acpi_ex_store(return_desc, operand[2], walk_state);
@@ -495,7 +514,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
495 acpi_status status = AE_OK; 514 acpi_status status = AE_OK;
496 u8 logical_result = FALSE; 515 u8 logical_result = FALSE;
497 516
498 ACPI_FUNCTION_TRACE_STR("ex_opcode_2A_0T_1R", 517 ACPI_FUNCTION_TRACE_STR(ex_opcode_2A_0T_1R,
499 acpi_ps_get_opcode_name(walk_state->opcode)); 518 acpi_ps_get_opcode_name(walk_state->opcode));
500 519
501 /* Create the internal return object */ 520 /* Create the internal return object */
@@ -509,6 +528,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
509 /* Execute the Opcode */ 528 /* Execute the Opcode */
510 529
511 if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) { 530 if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
531
512 /* logical_op (Operand0, Operand1) */ 532 /* logical_op (Operand0, Operand1) */
513 533
514 status = acpi_ex_do_logical_numeric_op(walk_state->opcode, 534 status = acpi_ex_do_logical_numeric_op(walk_state->opcode,
@@ -518,6 +538,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
518 value, &logical_result); 538 value, &logical_result);
519 goto store_logical_result; 539 goto store_logical_result;
520 } else if (walk_state->op_info->flags & AML_LOGICAL) { 540 } else if (walk_state->op_info->flags & AML_LOGICAL) {
541
521 /* logical_op (Operand0, Operand1) */ 542 /* logical_op (Operand0, Operand1) */
522 543
523 status = acpi_ex_do_logical_op(walk_state->opcode, operand[0], 544 status = acpi_ex_do_logical_op(walk_state->opcode, operand[0],
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 6a3a883cb8a3..e2d945dfd509 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -88,20 +88,19 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
88 struct acpi_signal_fatal_info *fatal; 88 struct acpi_signal_fatal_info *fatal;
89 acpi_status status = AE_OK; 89 acpi_status status = AE_OK;
90 90
91 ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_0T_0R", 91 ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_0T_0R,
92 acpi_ps_get_opcode_name(walk_state->opcode)); 92 acpi_ps_get_opcode_name(walk_state->opcode));
93 93
94 switch (walk_state->opcode) { 94 switch (walk_state->opcode) {
95 case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */ 95 case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
96 96
97 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 97 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
98 "fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", 98 "FatalOp: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
99 (u32) operand[0]->integer.value, 99 (u32) operand[0]->integer.value,
100 (u32) operand[1]->integer.value, 100 (u32) operand[1]->integer.value,
101 (u32) operand[2]->integer.value)); 101 (u32) operand[2]->integer.value));
102 102
103 fatal = 103 fatal = ACPI_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
104 ACPI_MEM_ALLOCATE(sizeof(struct acpi_signal_fatal_info));
105 if (fatal) { 104 if (fatal) {
106 fatal->type = (u32) operand[0]->integer.value; 105 fatal->type = (u32) operand[0]->integer.value;
107 fatal->code = (u32) operand[1]->integer.value; 106 fatal->code = (u32) operand[1]->integer.value;
@@ -114,7 +113,7 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
114 113
115 /* Might return while OS is shutting down, just continue */ 114 /* Might return while OS is shutting down, just continue */
116 115
117 ACPI_MEM_FREE(fatal); 116 ACPI_FREE(fatal);
118 break; 117 break;
119 118
120 default: 119 default:
@@ -151,7 +150,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
151 acpi_integer index; 150 acpi_integer index;
152 acpi_size length; 151 acpi_size length;
153 152
154 ACPI_FUNCTION_TRACE_STR("ex_opcode_3A_1T_1R", 153 ACPI_FUNCTION_TRACE_STR(ex_opcode_3A_1T_1R,
155 acpi_ps_get_opcode_name(walk_state->opcode)); 154 acpi_ps_get_opcode_name(walk_state->opcode));
156 155
157 switch (walk_state->opcode) { 156 switch (walk_state->opcode) {
@@ -196,7 +195,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
196 195
197 /* Always allocate a new buffer for the String */ 196 /* Always allocate a new buffer for the String */
198 197
199 buffer = ACPI_MEM_CALLOCATE((acpi_size) length + 1); 198 buffer = ACPI_ALLOCATE_ZEROED((acpi_size) length + 1);
200 if (!buffer) { 199 if (!buffer) {
201 status = AE_NO_MEMORY; 200 status = AE_NO_MEMORY;
202 goto cleanup; 201 goto cleanup;
@@ -208,9 +207,10 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
208 /* If the requested length is zero, don't allocate a buffer */ 207 /* If the requested length is zero, don't allocate a buffer */
209 208
210 if (length > 0) { 209 if (length > 0) {
210
211 /* Allocate a new buffer for the Buffer */ 211 /* Allocate a new buffer for the Buffer */
212 212
213 buffer = ACPI_MEM_CALLOCATE(length); 213 buffer = ACPI_ALLOCATE_ZEROED(length);
214 if (!buffer) { 214 if (!buffer) {
215 status = AE_NO_MEMORY; 215 status = AE_NO_MEMORY;
216 goto cleanup; 216 goto cleanup;
@@ -225,6 +225,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
225 } 225 }
226 226
227 if (buffer) { 227 if (buffer) {
228
228 /* We have a buffer, copy the portion requested */ 229 /* We have a buffer, copy the portion requested */
229 230
230 ACPI_MEMCPY(buffer, operand[0]->string.pointer + index, 231 ACPI_MEMCPY(buffer, operand[0]->string.pointer + index,
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c
index e043d924444f..f0c0ba6eb408 100644
--- a/drivers/acpi/executer/exoparg6.c
+++ b/drivers/acpi/executer/exoparg6.c
@@ -220,7 +220,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
220 acpi_integer index; 220 acpi_integer index;
221 union acpi_operand_object *this_element; 221 union acpi_operand_object *this_element;
222 222
223 ACPI_FUNCTION_TRACE_STR("ex_opcode_6A_0T_1R", 223 ACPI_FUNCTION_TRACE_STR(ex_opcode_6A_0T_1R,
224 acpi_ps_get_opcode_name(walk_state->opcode)); 224 acpi_ps_get_opcode_name(walk_state->opcode));
225 225
226 switch (walk_state->opcode) { 226 switch (walk_state->opcode) {
@@ -276,6 +276,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
276 * match was found. 276 * match was found.
277 */ 277 */
278 for (; index < operand[0]->package.count; index++) { 278 for (; index < operand[0]->package.count; index++) {
279
279 /* Get the current package element */ 280 /* Get the current package element */
280 281
281 this_element = operand[0]->package.elements[index]; 282 this_element = operand[0]->package.elements[index];
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c
index 7719ae5d4f16..44d064f427b9 100644
--- a/drivers/acpi/executer/exprep.c
+++ b/drivers/acpi/executer/exprep.c
@@ -97,7 +97,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
97 u32 minimum_accesses = 0xFFFFFFFF; 97 u32 minimum_accesses = 0xFFFFFFFF;
98 u32 accesses; 98 u32 accesses;
99 99
100 ACPI_FUNCTION_TRACE("ex_generate_access"); 100 ACPI_FUNCTION_TRACE(ex_generate_access);
101 101
102 /* Round Field start offset and length to "minimal" byte boundaries */ 102 /* Round Field start offset and length to "minimal" byte boundaries */
103 103
@@ -146,7 +146,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
146 accesses = field_end_offset - field_start_offset; 146 accesses = field_end_offset - field_start_offset;
147 147
148 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 148 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
149 "access_width %d end is within region\n", 149 "AccessWidth %d end is within region\n",
150 access_byte_width)); 150 access_byte_width));
151 151
152 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 152 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -173,7 +173,7 @@ acpi_ex_generate_access(u32 field_bit_offset,
173 } 173 }
174 } else { 174 } else {
175 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 175 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
176 "access_width %d end is NOT within region\n", 176 "AccessWidth %d end is NOT within region\n",
177 access_byte_width)); 177 access_byte_width));
178 if (access_byte_width == 1) { 178 if (access_byte_width == 1) {
179 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 179 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
@@ -228,7 +228,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
228 u32 byte_alignment; 228 u32 byte_alignment;
229 u32 bit_length; 229 u32 bit_length;
230 230
231 ACPI_FUNCTION_TRACE("ex_decode_field_access"); 231 ACPI_FUNCTION_TRACE(ex_decode_field_access);
232 232
233 access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK); 233 access = (field_flags & AML_FIELD_ACCESS_TYPE_MASK);
234 234
@@ -322,7 +322,7 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
322 u32 byte_alignment; 322 u32 byte_alignment;
323 u32 nearest_byte_address; 323 u32 nearest_byte_address;
324 324
325 ACPI_FUNCTION_TRACE("ex_prep_common_field_object"); 325 ACPI_FUNCTION_TRACE(ex_prep_common_field_object);
326 326
327 /* 327 /*
328 * Note: the structure being initialized is the 328 * Note: the structure being initialized is the
@@ -415,13 +415,13 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
415 u32 type; 415 u32 type;
416 acpi_status status; 416 acpi_status status;
417 417
418 ACPI_FUNCTION_TRACE("ex_prep_field_value"); 418 ACPI_FUNCTION_TRACE(ex_prep_field_value);
419 419
420 /* Parameter validation */ 420 /* Parameter validation */
421 421
422 if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) { 422 if (info->field_type != ACPI_TYPE_LOCAL_INDEX_FIELD) {
423 if (!info->region_node) { 423 if (!info->region_node) {
424 ACPI_ERROR((AE_INFO, "Null region_node")); 424 ACPI_ERROR((AE_INFO, "Null RegionNode"));
425 return_ACPI_STATUS(AE_AML_NO_OPERAND); 425 return_ACPI_STATUS(AE_AML_NO_OPERAND);
426 } 426 }
427 427
@@ -467,7 +467,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
467 acpi_ut_add_reference(obj_desc->field.region_obj); 467 acpi_ut_add_reference(obj_desc->field.region_obj);
468 468
469 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 469 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
470 "region_field: bit_off %X, Off %X, Gran %X, Region %p\n", 470 "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
471 obj_desc->field.start_field_bit_offset, 471 obj_desc->field.start_field_bit_offset,
472 obj_desc->field.base_byte_offset, 472 obj_desc->field.base_byte_offset,
473 obj_desc->field.access_byte_width, 473 obj_desc->field.access_byte_width,
@@ -488,7 +488,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
488 acpi_ut_add_reference(obj_desc->bank_field.bank_obj); 488 acpi_ut_add_reference(obj_desc->bank_field.bank_obj);
489 489
490 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 490 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
491 "Bank Field: bit_off %X, Off %X, Gran %X, Region %p, bank_reg %p\n", 491 "Bank Field: BitOff %X, Off %X, Gran %X, Region %p, BankReg %p\n",
492 obj_desc->bank_field.start_field_bit_offset, 492 obj_desc->bank_field.start_field_bit_offset,
493 obj_desc->bank_field.base_byte_offset, 493 obj_desc->bank_field.base_byte_offset,
494 obj_desc->field.access_byte_width, 494 obj_desc->field.access_byte_width,
@@ -519,16 +519,29 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
519 acpi_ut_add_reference(obj_desc->index_field.index_obj); 519 acpi_ut_add_reference(obj_desc->index_field.index_obj);
520 520
521 /* 521 /*
522 * April 2006: Changed to match MS behavior
523 *
522 * The value written to the Index register is the byte offset of the 524 * The value written to the Index register is the byte offset of the
523 * target field 525 * target field in units of the granularity of the index_field
524 * Note: may change code to: ACPI_DIV_8 (Info->field_bit_position) 526 *
527 * Previously, the value was calculated as an index in terms of the
528 * width of the Data register, as below:
529 *
530 * obj_desc->index_field.Value = (u32)
531 * (Info->field_bit_position / ACPI_MUL_8 (
532 * obj_desc->Field.access_byte_width));
533 *
534 * February 2006: Tried value as a byte offset:
535 * obj_desc->index_field.Value = (u32)
536 * ACPI_DIV_8 (Info->field_bit_position);
525 */ 537 */
526 obj_desc->index_field.value = (u32) 538 obj_desc->index_field.value =
527 (info->field_bit_position / 539 (u32) ACPI_ROUND_DOWN(ACPI_DIV_8(info->field_bit_position),
528 ACPI_MUL_8(obj_desc->field.access_byte_width)); 540 obj_desc->index_field.
541 access_byte_width);
529 542
530 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 543 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
531 "index_field: bit_off %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n", 544 "IndexField: BitOff %X, Off %X, Value %X, Gran %X, Index %p, Data %p\n",
532 obj_desc->index_field.start_field_bit_offset, 545 obj_desc->index_field.start_field_bit_offset,
533 obj_desc->index_field.base_byte_offset, 546 obj_desc->index_field.base_byte_offset,
534 obj_desc->index_field.value, 547 obj_desc->index_field.value,
@@ -550,7 +563,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
550 acpi_ns_get_type(info->field_node)); 563 acpi_ns_get_type(info->field_node));
551 564
552 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, 565 ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
553 "Set named_obj %p [%4.4s], obj_desc %p\n", 566 "Set NamedObj %p [%4.4s], ObjDesc %p\n",
554 info->field_node, 567 info->field_node,
555 acpi_ut_get_node_name(info->field_node), obj_desc)); 568 acpi_ut_get_node_name(info->field_node), obj_desc));
556 569
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 6a4cfdff606d..3cc97ba48b36 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -81,7 +81,7 @@ acpi_ex_system_memory_space_handler(u32 function,
81 u32 remainder; 81 u32 remainder;
82#endif 82#endif
83 83
84 ACPI_FUNCTION_TRACE("ex_system_memory_space_handler"); 84 ACPI_FUNCTION_TRACE(ex_system_memory_space_handler);
85 85
86 /* Validate and translate the bit width */ 86 /* Validate and translate the bit width */
87 87
@@ -103,7 +103,7 @@ acpi_ex_system_memory_space_handler(u32 function,
103 break; 103 break;
104 104
105 default: 105 default:
106 ACPI_ERROR((AE_INFO, "Invalid system_memory width %d", 106 ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %d",
107 bit_width)); 107 bit_width));
108 return_ACPI_STATUS(AE_AML_OPERAND_VALUE); 108 return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
109 } 109 }
@@ -135,6 +135,7 @@ acpi_ex_system_memory_space_handler(u32 function,
135 * Delete the existing mapping and create a new one. 135 * Delete the existing mapping and create a new one.
136 */ 136 */
137 if (mem_info->mapped_length) { 137 if (mem_info->mapped_length) {
138
138 /* Valid mapping, delete it */ 139 /* Valid mapping, delete it */
139 140
140 acpi_os_unmap_memory(mem_info->mapped_logical_address, 141 acpi_os_unmap_memory(mem_info->mapped_logical_address,
@@ -181,8 +182,8 @@ acpi_ex_system_memory_space_handler(u32 function,
181 (acpi_integer) mem_info->mapped_physical_address); 182 (acpi_integer) mem_info->mapped_physical_address);
182 183
183 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 184 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
184 "system_memory %d (%d width) Address=%8.8X%8.8X\n", 185 "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n",
185 function, bit_width, ACPI_FORMAT_UINT64(address))); 186 bit_width, function, ACPI_FORMAT_UINT64(address)));
186 187
187 /* 188 /*
188 * Perform the memory read or write 189 * Perform the memory read or write
@@ -283,11 +284,11 @@ acpi_ex_system_io_space_handler(u32 function,
283 acpi_status status = AE_OK; 284 acpi_status status = AE_OK;
284 u32 value32; 285 u32 value32;
285 286
286 ACPI_FUNCTION_TRACE("ex_system_io_space_handler"); 287 ACPI_FUNCTION_TRACE(ex_system_io_space_handler);
287 288
288 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 289 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
289 "system_iO %d (%d width) Address=%8.8X%8.8X\n", 290 "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n",
290 function, bit_width, ACPI_FORMAT_UINT64(address))); 291 bit_width, function, ACPI_FORMAT_UINT64(address)));
291 292
292 /* Decode the function parameter */ 293 /* Decode the function parameter */
293 294
@@ -342,7 +343,7 @@ acpi_ex_pci_config_space_handler(u32 function,
342 struct acpi_pci_id *pci_id; 343 struct acpi_pci_id *pci_id;
343 u16 pci_register; 344 u16 pci_register;
344 345
345 ACPI_FUNCTION_TRACE("ex_pci_config_space_handler"); 346 ACPI_FUNCTION_TRACE(ex_pci_config_space_handler);
346 347
347 /* 348 /*
348 * The arguments to acpi_os(Read|Write)pci_configuration are: 349 * The arguments to acpi_os(Read|Write)pci_configuration are:
@@ -360,7 +361,7 @@ acpi_ex_pci_config_space_handler(u32 function,
360 pci_register = (u16) (u32) address; 361 pci_register = (u16) (u32) address;
361 362
362 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 363 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
363 "pci_config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n", 364 "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n",
364 function, bit_width, pci_id->segment, pci_id->bus, 365 function, bit_width, pci_id->segment, pci_id->bus,
365 pci_id->device, pci_id->function, pci_register)); 366 pci_id->device, pci_id->function, pci_register));
366 367
@@ -414,7 +415,7 @@ acpi_ex_cmos_space_handler(u32 function,
414{ 415{
415 acpi_status status = AE_OK; 416 acpi_status status = AE_OK;
416 417
417 ACPI_FUNCTION_TRACE("ex_cmos_space_handler"); 418 ACPI_FUNCTION_TRACE(ex_cmos_space_handler);
418 419
419 return_ACPI_STATUS(status); 420 return_ACPI_STATUS(status);
420} 421}
@@ -446,7 +447,7 @@ acpi_ex_pci_bar_space_handler(u32 function,
446{ 447{
447 acpi_status status = AE_OK; 448 acpi_status status = AE_OK;
448 449
449 ACPI_FUNCTION_TRACE("ex_pci_bar_space_handler"); 450 ACPI_FUNCTION_TRACE(ex_pci_bar_space_handler);
450 451
451 return_ACPI_STATUS(status); 452 return_ACPI_STATUS(status);
452} 453}
@@ -476,23 +477,16 @@ acpi_ex_data_table_space_handler(u32 function,
476 acpi_integer * value, 477 acpi_integer * value,
477 void *handler_context, void *region_context) 478 void *handler_context, void *region_context)
478{ 479{
479 acpi_status status = AE_OK; 480 ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
480 u32 byte_width = ACPI_DIV_8(bit_width);
481 u32 i;
482 char *logical_addr_ptr;
483
484 ACPI_FUNCTION_TRACE("ex_data_table_space_handler");
485
486 logical_addr_ptr = ACPI_PHYSADDR_TO_PTR(address);
487 481
488 /* Perform the memory read or write */ 482 /* Perform the memory read or write */
489 483
490 switch (function) { 484 switch (function) {
491 case ACPI_READ: 485 case ACPI_READ:
492 486
493 for (i = 0; i < byte_width; i++) { 487 ACPI_MEMCPY(ACPI_CAST_PTR(char, value),
494 ((char *)value)[i] = logical_addr_ptr[i]; 488 ACPI_PHYSADDR_TO_PTR(address),
495 } 489 ACPI_DIV_8(bit_width));
496 break; 490 break;
497 491
498 case ACPI_WRITE: 492 case ACPI_WRITE:
@@ -501,5 +495,5 @@ acpi_ex_data_table_space_handler(u32 function,
501 return_ACPI_STATUS(AE_SUPPORT); 495 return_ACPI_STATUS(AE_SUPPORT);
502 } 496 }
503 497
504 return_ACPI_STATUS(status); 498 return_ACPI_STATUS(AE_OK);
505} 499}
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c
index 01b26c80d22b..3089b05a1368 100644
--- a/drivers/acpi/executer/exresnte.c
+++ b/drivers/acpi/executer/exresnte.c
@@ -87,7 +87,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
87 struct acpi_namespace_node *node; 87 struct acpi_namespace_node *node;
88 acpi_object_type entry_type; 88 acpi_object_type entry_type;
89 89
90 ACPI_FUNCTION_TRACE("ex_resolve_node_to_value"); 90 ACPI_FUNCTION_TRACE(ex_resolve_node_to_value);
91 91
92 /* 92 /*
93 * The stack pointer points to a struct acpi_namespace_node (Node). Get the 93 * The stack pointer points to a struct acpi_namespace_node (Node). Get the
@@ -97,12 +97,13 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
97 source_desc = acpi_ns_get_attached_object(node); 97 source_desc = acpi_ns_get_attached_object(node);
98 entry_type = acpi_ns_get_type((acpi_handle) node); 98 entry_type = acpi_ns_get_type((acpi_handle) node);
99 99
100 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p source_desc=%p [%s]\n", 100 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Entry=%p SourceDesc=%p [%s]\n",
101 node, source_desc, 101 node, source_desc,
102 acpi_ut_get_type_name(entry_type))); 102 acpi_ut_get_type_name(entry_type)));
103 103
104 if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) || 104 if ((entry_type == ACPI_TYPE_LOCAL_ALIAS) ||
105 (entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { 105 (entry_type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) {
106
106 /* There is always exactly one level of indirection */ 107 /* There is always exactly one level of indirection */
107 108
108 node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object); 109 node = ACPI_CAST_PTR(struct acpi_namespace_node, node->object);
@@ -113,10 +114,11 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
113 114
114 /* 115 /*
115 * Several object types require no further processing: 116 * Several object types require no further processing:
116 * 1) Devices rarely have an attached object, return the Node 117 * 1) Device/Thermal objects don't have a "real" subobject, return the Node
117 * 2) Method locals and arguments have a pseudo-Node 118 * 2) Method locals and arguments have a pseudo-Node
118 */ 119 */
119 if (entry_type == ACPI_TYPE_DEVICE || 120 if ((entry_type == ACPI_TYPE_DEVICE) ||
121 (entry_type == ACPI_TYPE_THERMAL) ||
120 (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) { 122 (node->flags & (ANOBJ_METHOD_ARG | ANOBJ_METHOD_LOCAL))) {
121 return_ACPI_STATUS(AE_OK); 123 return_ACPI_STATUS(AE_OK);
122 } 124 }
@@ -141,6 +143,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
141 143
142 status = acpi_ds_get_package_arguments(source_desc); 144 status = acpi_ds_get_package_arguments(source_desc);
143 if (ACPI_SUCCESS(status)) { 145 if (ACPI_SUCCESS(status)) {
146
144 /* Return an additional reference to the object */ 147 /* Return an additional reference to the object */
145 148
146 obj_desc = source_desc; 149 obj_desc = source_desc;
@@ -158,6 +161,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
158 161
159 status = acpi_ds_get_buffer_arguments(source_desc); 162 status = acpi_ds_get_buffer_arguments(source_desc);
160 if (ACPI_SUCCESS(status)) { 163 if (ACPI_SUCCESS(status)) {
164
161 /* Return an additional reference to the object */ 165 /* Return an additional reference to the object */
162 166
163 obj_desc = source_desc; 167 obj_desc = source_desc;
@@ -199,7 +203,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
199 case ACPI_TYPE_LOCAL_INDEX_FIELD: 203 case ACPI_TYPE_LOCAL_INDEX_FIELD:
200 204
201 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 205 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
202 "field_read Node=%p source_desc=%p Type=%X\n", 206 "FieldRead Node=%p SourceDesc=%p Type=%X\n",
203 node, source_desc, entry_type)); 207 node, source_desc, entry_type));
204 208
205 status = 209 status =
@@ -213,7 +217,6 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
213 case ACPI_TYPE_METHOD: 217 case ACPI_TYPE_METHOD:
214 case ACPI_TYPE_POWER: 218 case ACPI_TYPE_POWER:
215 case ACPI_TYPE_PROCESSOR: 219 case ACPI_TYPE_PROCESSOR:
216 case ACPI_TYPE_THERMAL:
217 case ACPI_TYPE_EVENT: 220 case ACPI_TYPE_EVENT:
218 case ACPI_TYPE_REGION: 221 case ACPI_TYPE_REGION:
219 222
@@ -240,6 +243,8 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
240 /* This is a ddb_handle */ 243 /* This is a ddb_handle */
241 /* Return an additional reference to the object */ 244 /* Return an additional reference to the object */
242 245
246 case AML_REF_OF_OP:
247
243 obj_desc = source_desc; 248 obj_desc = source_desc;
244 acpi_ut_add_reference(obj_desc); 249 acpi_ut_add_reference(obj_desc);
245 break; 250 break;
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index 1deed492fe88..6499de878017 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/executer/exresolv.c
@@ -78,7 +78,7 @@ acpi_ex_resolve_to_value(union acpi_operand_object **stack_ptr,
78{ 78{
79 acpi_status status; 79 acpi_status status;
80 80
81 ACPI_FUNCTION_TRACE_PTR("ex_resolve_to_value", stack_ptr); 81 ACPI_FUNCTION_TRACE_PTR(ex_resolve_to_value, stack_ptr);
82 82
83 if (!stack_ptr || !*stack_ptr) { 83 if (!stack_ptr || !*stack_ptr) {
84 ACPI_ERROR((AE_INFO, "Internal - null pointer")); 84 ACPI_ERROR((AE_INFO, "Internal - null pointer"));
@@ -144,7 +144,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
144 union acpi_operand_object *obj_desc; 144 union acpi_operand_object *obj_desc;
145 u16 opcode; 145 u16 opcode;
146 146
147 ACPI_FUNCTION_TRACE("ex_resolve_object_to_value"); 147 ACPI_FUNCTION_TRACE(ex_resolve_object_to_value);
148 148
149 stack_desc = *stack_ptr; 149 stack_desc = *stack_ptr;
150 150
@@ -190,7 +190,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
190 } 190 }
191 191
192 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 192 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
193 "[Arg/Local %X] value_obj is %p\n", 193 "[Arg/Local %X] ValueObj is %p\n",
194 stack_desc->reference.offset, 194 stack_desc->reference.offset,
195 obj_desc)); 195 obj_desc));
196 196
@@ -239,7 +239,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
239 /* Invalid reference object */ 239 /* Invalid reference object */
240 240
241 ACPI_ERROR((AE_INFO, 241 ACPI_ERROR((AE_INFO,
242 "Unknown target_type %X in Index/Reference obj %p", 242 "Unknown TargetType %X in Index/Reference obj %p",
243 stack_desc->reference.target_type, 243 stack_desc->reference.target_type,
244 stack_desc)); 244 stack_desc));
245 status = AE_AML_INTERNAL; 245 status = AE_AML_INTERNAL;
@@ -257,10 +257,24 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
257 257
258 case AML_INT_NAMEPATH_OP: /* Reference to a named object */ 258 case AML_INT_NAMEPATH_OP: /* Reference to a named object */
259 259
260 /* Get the object pointed to by the namespace node */ 260 /* Dereference the name */
261
262 if ((stack_desc->reference.node->type ==
263 ACPI_TYPE_DEVICE)
264 || (stack_desc->reference.node->type ==
265 ACPI_TYPE_THERMAL)) {
266
267 /* These node types do not have 'real' subobjects */
268
269 *stack_ptr = (void *)stack_desc->reference.node;
270 } else {
271 /* Get the object pointed to by the namespace node */
272
273 *stack_ptr =
274 (stack_desc->reference.node)->object;
275 acpi_ut_add_reference(*stack_ptr);
276 }
261 277
262 *stack_ptr = (stack_desc->reference.node)->object;
263 acpi_ut_add_reference(*stack_ptr);
264 acpi_ut_remove_reference(stack_desc); 278 acpi_ut_remove_reference(stack_desc);
265 break; 279 break;
266 280
@@ -293,7 +307,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
293 case ACPI_TYPE_LOCAL_INDEX_FIELD: 307 case ACPI_TYPE_LOCAL_INDEX_FIELD:
294 308
295 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 309 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
296 "field_read source_desc=%p Type=%X\n", 310 "FieldRead SourceDesc=%p Type=%X\n",
297 stack_desc, 311 stack_desc,
298 ACPI_GET_OBJECT_TYPE(stack_desc))); 312 ACPI_GET_OBJECT_TYPE(stack_desc)));
299 313
@@ -337,7 +351,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
337 acpi_object_type type; 351 acpi_object_type type;
338 acpi_status status; 352 acpi_status status;
339 353
340 ACPI_FUNCTION_TRACE("acpi_ex_resolve_multiple"); 354 ACPI_FUNCTION_TRACE(acpi_ex_resolve_multiple);
341 355
342 /* Operand can be either a namespace node or an operand descriptor */ 356 /* Operand can be either a namespace node or an operand descriptor */
343 357
@@ -382,10 +396,16 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
382 while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) { 396 while (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_REFERENCE) {
383 switch (obj_desc->reference.opcode) { 397 switch (obj_desc->reference.opcode) {
384 case AML_REF_OF_OP: 398 case AML_REF_OF_OP:
399 case AML_INT_NAMEPATH_OP:
385 400
386 /* Dereference the reference pointer */ 401 /* Dereference the reference pointer */
387 402
388 node = obj_desc->reference.object; 403 if (obj_desc->reference.opcode == AML_REF_OF_OP) {
404 node = obj_desc->reference.object;
405 } else { /* AML_INT_NAMEPATH_OP */
406
407 node = obj_desc->reference.node;
408 }
389 409
390 /* All "References" point to a NS node */ 410 /* All "References" point to a NS node */
391 411
@@ -401,6 +421,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
401 421
402 obj_desc = acpi_ns_get_attached_object(node); 422 obj_desc = acpi_ns_get_attached_object(node);
403 if (!obj_desc) { 423 if (!obj_desc) {
424
404 /* No object, use the NS node type */ 425 /* No object, use the NS node type */
405 426
406 type = acpi_ns_get_type(node); 427 type = acpi_ns_get_type(node);
@@ -432,6 +453,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
432 */ 453 */
433 obj_desc = *(obj_desc->reference.where); 454 obj_desc = *(obj_desc->reference.where);
434 if (!obj_desc) { 455 if (!obj_desc) {
456
435 /* NULL package elements are allowed */ 457 /* NULL package elements are allowed */
436 458
437 type = 0; /* Uninitialized */ 459 type = 0; /* Uninitialized */
@@ -439,39 +461,6 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
439 } 461 }
440 break; 462 break;
441 463
442 case AML_INT_NAMEPATH_OP:
443
444 /* Dereference the reference pointer */
445
446 node = obj_desc->reference.node;
447
448 /* All "References" point to a NS node */
449
450 if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
451 ACPI_DESC_TYPE_NAMED) {
452 ACPI_ERROR((AE_INFO, "Not a NS node %p [%s]",
453 node,
454 acpi_ut_get_descriptor_name(node)));
455 return_ACPI_STATUS(AE_AML_INTERNAL);
456 }
457
458 /* Get the attached object */
459
460 obj_desc = acpi_ns_get_attached_object(node);
461 if (!obj_desc) {
462 /* No object, use the NS node type */
463
464 type = acpi_ns_get_type(node);
465 goto exit;
466 }
467
468 /* Check for circular references */
469
470 if (obj_desc == operand) {
471 return_ACPI_STATUS(AE_AML_CIRCULAR_REFERENCE);
472 }
473 break;
474
475 case AML_LOCAL_OP: 464 case AML_LOCAL_OP:
476 case AML_ARG_OP: 465 case AML_ARG_OP:
477 466
@@ -513,7 +502,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
513 502
514 case AML_DEBUG_OP: 503 case AML_DEBUG_OP:
515 504
516 /* The Debug Object is of type "debug_object" */ 505 /* The Debug Object is of type "DebugObject" */
517 506
518 type = ACPI_TYPE_DEBUG_OBJECT; 507 type = ACPI_TYPE_DEBUG_OBJECT;
519 goto exit; 508 goto exit;
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index a1c000f5a415..4c93d0972333 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -77,6 +77,7 @@ acpi_ex_check_object_type(acpi_object_type type_needed,
77 ACPI_FUNCTION_ENTRY(); 77 ACPI_FUNCTION_ENTRY();
78 78
79 if (type_needed == ACPI_TYPE_ANY) { 79 if (type_needed == ACPI_TYPE_ANY) {
80
80 /* All types OK, so we don't perform any typechecks */ 81 /* All types OK, so we don't perform any typechecks */
81 82
82 return (AE_OK); 83 return (AE_OK);
@@ -143,7 +144,7 @@ acpi_ex_resolve_operands(u16 opcode,
143 acpi_object_type type_needed; 144 acpi_object_type type_needed;
144 u16 target_op = 0; 145 u16 target_op = 0;
145 146
146 ACPI_FUNCTION_TRACE_U32("ex_resolve_operands", opcode); 147 ACPI_FUNCTION_TRACE_U32(ex_resolve_operands, opcode);
147 148
148 op_info = acpi_ps_get_opcode_info(opcode); 149 op_info = acpi_ps_get_opcode_info(opcode);
149 if (op_info->class == AML_CLASS_UNKNOWN) { 150 if (op_info->class == AML_CLASS_UNKNOWN) {
@@ -158,7 +159,7 @@ acpi_ex_resolve_operands(u16 opcode,
158 } 159 }
159 160
160 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 161 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
161 "Opcode %X [%s] required_operand_types=%8.8X\n", 162 "Opcode %X [%s] RequiredOperandTypes=%8.8X\n",
162 opcode, op_info->name, arg_types)); 163 opcode, op_info->name, arg_types));
163 164
164 /* 165 /*
@@ -224,6 +225,7 @@ acpi_ex_resolve_operands(u16 opcode,
224 } 225 }
225 226
226 if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) { 227 if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
228
227 /* Decode the Reference */ 229 /* Decode the Reference */
228 230
229 op_info = acpi_ps_get_opcode_info(opcode); 231 op_info = acpi_ps_get_opcode_info(opcode);
@@ -247,7 +249,7 @@ acpi_ex_resolve_operands(u16 opcode,
247 249
248 ACPI_DEBUG_ONLY_MEMBERS(ACPI_DEBUG_PRINT 250 ACPI_DEBUG_ONLY_MEMBERS(ACPI_DEBUG_PRINT
249 ((ACPI_DB_EXEC, 251 ((ACPI_DB_EXEC,
250 "Operand is a Reference, ref_opcode [%s]\n", 252 "Operand is a Reference, RefOpcode [%s]\n",
251 (acpi_ps_get_opcode_info 253 (acpi_ps_get_opcode_info
252 (obj_desc-> 254 (obj_desc->
253 reference. 255 reference.
@@ -332,6 +334,7 @@ acpi_ex_resolve_operands(u16 opcode,
332 } 334 }
333 335
334 if (obj_desc->reference.opcode == AML_NAME_OP) { 336 if (obj_desc->reference.opcode == AML_NAME_OP) {
337
335 /* Convert a named reference to the actual named object */ 338 /* Convert a named reference to the actual named object */
336 339
337 temp_node = obj_desc->reference.object; 340 temp_node = obj_desc->reference.object;
@@ -623,7 +626,7 @@ acpi_ex_resolve_operands(u16 opcode,
623 626
624 default: 627 default:
625 ACPI_ERROR((AE_INFO, 628 ACPI_ERROR((AE_INFO,
626 "Needed [Region/region_field], found [%s] %p", 629 "Needed [Region/RegionField], found [%s] %p",
627 acpi_ut_get_object_type_name 630 acpi_ut_get_object_type_name
628 (obj_desc), obj_desc)); 631 (obj_desc), obj_desc));
629 632
@@ -662,6 +665,7 @@ acpi_ex_resolve_operands(u16 opcode,
662 } 665 }
663 666
664 if (target_op == AML_DEBUG_OP) { 667 if (target_op == AML_DEBUG_OP) {
668
665 /* Allow store of any object to the Debug object */ 669 /* Allow store of any object to the Debug object */
666 670
667 break; 671 break;
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 3f020c0e2b95..0456405ba019 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -82,7 +82,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
82{ 82{
83 u32 i; 83 u32 i;
84 84
85 ACPI_FUNCTION_TRACE_PTR("ex_do_debug_object", source_desc); 85 ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
86 86
87 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s", 87 ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
88 level, " ")); 88 level, " "));
@@ -245,7 +245,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
245 acpi_status status = AE_OK; 245 acpi_status status = AE_OK;
246 union acpi_operand_object *ref_desc = dest_desc; 246 union acpi_operand_object *ref_desc = dest_desc;
247 247
248 ACPI_FUNCTION_TRACE_PTR("ex_store", dest_desc); 248 ACPI_FUNCTION_TRACE_PTR(ex_store, dest_desc);
249 249
250 /* Validate parameters */ 250 /* Validate parameters */
251 251
@@ -297,7 +297,7 @@ acpi_ex_store(union acpi_operand_object *source_desc,
297 297
298 ACPI_DUMP_STACK_ENTRY(source_desc); 298 ACPI_DUMP_STACK_ENTRY(source_desc);
299 ACPI_DUMP_STACK_ENTRY(dest_desc); 299 ACPI_DUMP_STACK_ENTRY(dest_desc);
300 ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ex_store", 300 ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ExStore",
301 2, 301 2,
302 "Target is not a Reference or Constant object"); 302 "Target is not a Reference or Constant object");
303 303
@@ -396,7 +396,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
396 u8 value = 0; 396 u8 value = 0;
397 u32 i; 397 u32 i;
398 398
399 ACPI_FUNCTION_TRACE("ex_store_object_to_index"); 399 ACPI_FUNCTION_TRACE(ex_store_object_to_index);
400 400
401 /* 401 /*
402 * Destination must be a reference pointer, and 402 * Destination must be a reference pointer, and
@@ -423,6 +423,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
423 } 423 }
424 424
425 if (obj_desc) { 425 if (obj_desc) {
426
426 /* Decrement reference count by the ref count of the parent package */ 427 /* Decrement reference count by the ref count of the parent package */
427 428
428 for (i = 0; i < ((union acpi_operand_object *) 429 for (i = 0; i < ((union acpi_operand_object *)
@@ -502,8 +503,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc,
502 break; 503 break;
503 504
504 default: 505 default:
505 ACPI_ERROR((AE_INFO, 506 ACPI_ERROR((AE_INFO, "Target is not a Package or BufferField"));
506 "Target is not a Package or buffer_field"));
507 status = AE_AML_OPERAND_TYPE; 507 status = AE_AML_OPERAND_TYPE;
508 break; 508 break;
509 } 509 }
@@ -548,7 +548,7 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
548 union acpi_operand_object *new_desc; 548 union acpi_operand_object *new_desc;
549 acpi_object_type target_type; 549 acpi_object_type target_type;
550 550
551 ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_node", source_desc); 551 ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_node, source_desc);
552 552
553 /* Get current type of the node, and object attached to Node */ 553 /* Get current type of the node, and object attached to Node */
554 554
@@ -572,6 +572,7 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc,
572 /* If no implicit conversion, drop into the default case below */ 572 /* If no implicit conversion, drop into the default case below */
573 573
574 if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) { 574 if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) {
575
575 /* Force execution of default (no implicit conversion) */ 576 /* Force execution of default (no implicit conversion) */
576 577
577 target_type = ACPI_TYPE_ANY; 578 target_type = ACPI_TYPE_ANY;
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index 42967baf760d..591aaf0e18b3 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -72,7 +72,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
72 union acpi_operand_object *source_desc = *source_desc_ptr; 72 union acpi_operand_object *source_desc = *source_desc_ptr;
73 acpi_status status = AE_OK; 73 acpi_status status = AE_OK;
74 74
75 ACPI_FUNCTION_TRACE("ex_resolve_object"); 75 ACPI_FUNCTION_TRACE(ex_resolve_object);
76 76
77 /* Ensure we have a Target that can be stored to */ 77 /* Ensure we have a Target that can be stored to */
78 78
@@ -97,6 +97,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
97 */ 97 */
98 if (ACPI_GET_OBJECT_TYPE(source_desc) == 98 if (ACPI_GET_OBJECT_TYPE(source_desc) ==
99 ACPI_TYPE_LOCAL_REFERENCE) { 99 ACPI_TYPE_LOCAL_REFERENCE) {
100
100 /* Resolve a reference object first */ 101 /* Resolve a reference object first */
101 102
102 status = 103 status =
@@ -121,6 +122,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr,
121 !((ACPI_GET_OBJECT_TYPE(source_desc) == 122 !((ACPI_GET_OBJECT_TYPE(source_desc) ==
122 ACPI_TYPE_LOCAL_REFERENCE) 123 ACPI_TYPE_LOCAL_REFERENCE)
123 && (source_desc->reference.opcode == AML_LOAD_OP))) { 124 && (source_desc->reference.opcode == AML_LOAD_OP))) {
125
124 /* Conversion successful but still not a valid type */ 126 /* Conversion successful but still not a valid type */
125 127
126 ACPI_ERROR((AE_INFO, 128 ACPI_ERROR((AE_INFO,
@@ -199,7 +201,7 @@ acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
199 union acpi_operand_object *actual_src_desc; 201 union acpi_operand_object *actual_src_desc;
200 acpi_status status = AE_OK; 202 acpi_status status = AE_OK;
201 203
202 ACPI_FUNCTION_TRACE_PTR("ex_store_object_to_object", source_desc); 204 ACPI_FUNCTION_TRACE_PTR(ex_store_object_to_object, source_desc);
203 205
204 actual_src_desc = source_desc; 206 actual_src_desc = source_desc;
205 if (!dest_desc) { 207 if (!dest_desc) {
@@ -289,6 +291,7 @@ acpi_ex_store_object_to_object(union acpi_operand_object *source_desc,
289 } 291 }
290 292
291 if (actual_src_desc != source_desc) { 293 if (actual_src_desc != source_desc) {
294
292 /* Delete the intermediate (temporary) source object */ 295 /* Delete the intermediate (temporary) source object */
293 296
294 acpi_ut_remove_reference(actual_src_desc); 297 acpi_ut_remove_reference(actual_src_desc);
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index 6ab707087750..99ebe5adfcda 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -67,7 +67,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
67 u32 length; 67 u32 length;
68 u8 *buffer; 68 u8 *buffer;
69 69
70 ACPI_FUNCTION_TRACE_PTR("ex_store_buffer_to_buffer", source_desc); 70 ACPI_FUNCTION_TRACE_PTR(ex_store_buffer_to_buffer, source_desc);
71 71
72 /* We know that source_desc is a buffer by now */ 72 /* We know that source_desc is a buffer by now */
73 73
@@ -80,7 +80,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
80 */ 80 */
81 if ((target_desc->buffer.length == 0) || 81 if ((target_desc->buffer.length == 0) ||
82 (target_desc->common.flags & AOPOBJ_STATIC_POINTER)) { 82 (target_desc->common.flags & AOPOBJ_STATIC_POINTER)) {
83 target_desc->buffer.pointer = ACPI_MEM_ALLOCATE(length); 83 target_desc->buffer.pointer = ACPI_ALLOCATE(length);
84 if (!target_desc->buffer.pointer) { 84 if (!target_desc->buffer.pointer) {
85 return_ACPI_STATUS(AE_NO_MEMORY); 85 return_ACPI_STATUS(AE_NO_MEMORY);
86 } 86 }
@@ -91,6 +91,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
91 /* Copy source buffer to target buffer */ 91 /* Copy source buffer to target buffer */
92 92
93 if (length <= target_desc->buffer.length) { 93 if (length <= target_desc->buffer.length) {
94
94 /* Clear existing buffer and copy in the new one */ 95 /* Clear existing buffer and copy in the new one */
95 96
96 ACPI_MEMSET(target_desc->buffer.pointer, 0, 97 ACPI_MEMSET(target_desc->buffer.pointer, 0,
@@ -102,7 +103,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
102 * NOTE: ACPI versions up to 3.0 specified that the buffer must be 103 * NOTE: ACPI versions up to 3.0 specified that the buffer must be
103 * truncated if the string is smaller than the buffer. However, "other" 104 * truncated if the string is smaller than the buffer. However, "other"
104 * implementations of ACPI never did this and thus became the defacto 105 * implementations of ACPI never did this and thus became the defacto
105 * standard. ACPi 3.0_a changes this behavior such that the buffer 106 * standard. ACPI 3.0_a changes this behavior such that the buffer
106 * is no longer truncated. 107 * is no longer truncated.
107 */ 108 */
108 109
@@ -113,6 +114,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc,
113 * copy must not truncate the original buffer. 114 * copy must not truncate the original buffer.
114 */ 115 */
115 if (original_src_type == ACPI_TYPE_STRING) { 116 if (original_src_type == ACPI_TYPE_STRING) {
117
116 /* Set the new length of the target */ 118 /* Set the new length of the target */
117 119
118 target_desc->buffer.length = length; 120 target_desc->buffer.length = length;
@@ -156,7 +158,7 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
156 u32 length; 158 u32 length;
157 u8 *buffer; 159 u8 *buffer;
158 160
159 ACPI_FUNCTION_TRACE_PTR("ex_store_string_to_string", source_desc); 161 ACPI_FUNCTION_TRACE_PTR(ex_store_string_to_string, source_desc);
160 162
161 /* We know that source_desc is a string by now */ 163 /* We know that source_desc is a string by now */
162 164
@@ -183,13 +185,14 @@ acpi_ex_store_string_to_string(union acpi_operand_object *source_desc,
183 */ 185 */
184 if (target_desc->string.pointer && 186 if (target_desc->string.pointer &&
185 (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) { 187 (!(target_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
188
186 /* Only free if not a pointer into the DSDT */ 189 /* Only free if not a pointer into the DSDT */
187 190
188 ACPI_MEM_FREE(target_desc->string.pointer); 191 ACPI_FREE(target_desc->string.pointer);
189 } 192 }
190 193
191 target_desc->string.pointer = ACPI_MEM_CALLOCATE((acpi_size) 194 target_desc->string.pointer = ACPI_ALLOCATE_ZEROED((acpi_size)
192 length + 1); 195 length + 1);
193 if (!target_desc->string.pointer) { 196 if (!target_desc->string.pointer) {
194 return_ACPI_STATUS(AE_NO_MEMORY); 197 return_ACPI_STATUS(AE_NO_MEMORY);
195 } 198 }
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index ea9144f42e1f..52beee3674a0 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -68,7 +68,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
68 acpi_status status; 68 acpi_status status;
69 acpi_status status2; 69 acpi_status status2;
70 70
71 ACPI_FUNCTION_TRACE("ex_system_wait_semaphore"); 71 ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
72 72
73 status = acpi_os_wait_semaphore(semaphore, 1, 0); 73 status = acpi_os_wait_semaphore(semaphore, 1, 0);
74 if (ACPI_SUCCESS(status)) { 74 if (ACPI_SUCCESS(status)) {
@@ -76,6 +76,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
76 } 76 }
77 77
78 if (status == AE_TIME) { 78 if (status == AE_TIME) {
79
79 /* We must wait, so unlock the interpreter */ 80 /* We must wait, so unlock the interpreter */
80 81
81 acpi_ex_exit_interpreter(); 82 acpi_ex_exit_interpreter();
@@ -90,6 +91,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout)
90 91
91 status2 = acpi_ex_enter_interpreter(); 92 status2 = acpi_ex_enter_interpreter();
92 if (ACPI_FAILURE(status2)) { 93 if (ACPI_FAILURE(status2)) {
94
93 /* Report fatal error, could not acquire interpreter */ 95 /* Report fatal error, could not acquire interpreter */
94 96
95 return_ACPI_STATUS(status2); 97 return_ACPI_STATUS(status2);
@@ -191,7 +193,7 @@ acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc,
191{ 193{
192 acpi_status status = AE_OK; 194 acpi_status status = AE_OK;
193 195
194 ACPI_FUNCTION_TRACE_PTR("ex_system_acquire_mutex", obj_desc); 196 ACPI_FUNCTION_TRACE_PTR(ex_system_acquire_mutex, obj_desc);
195 197
196 if (!obj_desc) { 198 if (!obj_desc) {
197 return_ACPI_STATUS(AE_BAD_PARAMETER); 199 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -229,7 +231,7 @@ acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc)
229{ 231{
230 acpi_status status = AE_OK; 232 acpi_status status = AE_OK;
231 233
232 ACPI_FUNCTION_TRACE("ex_system_release_mutex"); 234 ACPI_FUNCTION_TRACE(ex_system_release_mutex);
233 235
234 if (!obj_desc) { 236 if (!obj_desc) {
235 return_ACPI_STATUS(AE_BAD_PARAMETER); 237 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -263,7 +265,7 @@ acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc)
263{ 265{
264 acpi_status status = AE_OK; 266 acpi_status status = AE_OK;
265 267
266 ACPI_FUNCTION_TRACE("ex_system_signal_event"); 268 ACPI_FUNCTION_TRACE(ex_system_signal_event);
267 269
268 if (obj_desc) { 270 if (obj_desc) {
269 status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1); 271 status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1);
@@ -293,7 +295,7 @@ acpi_ex_system_wait_event(union acpi_operand_object *time_desc,
293{ 295{
294 acpi_status status = AE_OK; 296 acpi_status status = AE_OK;
295 297
296 ACPI_FUNCTION_TRACE("ex_system_wait_event"); 298 ACPI_FUNCTION_TRACE(ex_system_wait_event);
297 299
298 if (obj_desc) { 300 if (obj_desc) {
299 status = 301 status =
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index f73a61aeb7ec..982c8b65876f 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -87,9 +87,9 @@ acpi_status acpi_ex_enter_interpreter(void)
87{ 87{
88 acpi_status status; 88 acpi_status status;
89 89
90 ACPI_FUNCTION_TRACE("ex_enter_interpreter"); 90 ACPI_FUNCTION_TRACE(ex_enter_interpreter);
91 91
92 status = acpi_ut_acquire_mutex(ACPI_MTX_EXECUTE); 92 status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
93 if (ACPI_FAILURE(status)) { 93 if (ACPI_FAILURE(status)) {
94 ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex")); 94 ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex"));
95 } 95 }
@@ -123,9 +123,9 @@ void acpi_ex_exit_interpreter(void)
123{ 123{
124 acpi_status status; 124 acpi_status status;
125 125
126 ACPI_FUNCTION_TRACE("ex_exit_interpreter"); 126 ACPI_FUNCTION_TRACE(ex_exit_interpreter);
127 127
128 status = acpi_ut_release_mutex(ACPI_MTX_EXECUTE); 128 status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
129 if (ACPI_FAILURE(status)) { 129 if (ACPI_FAILURE(status)) {
130 ACPI_ERROR((AE_INFO, "Could not release interpreter mutex")); 130 ACPI_ERROR((AE_INFO, "Could not release interpreter mutex"));
131 } 131 }
@@ -189,11 +189,12 @@ u8 acpi_ex_acquire_global_lock(u32 field_flags)
189 u8 locked = FALSE; 189 u8 locked = FALSE;
190 acpi_status status; 190 acpi_status status;
191 191
192 ACPI_FUNCTION_TRACE("ex_acquire_global_lock"); 192 ACPI_FUNCTION_TRACE(ex_acquire_global_lock);
193 193
194 /* Only attempt lock if the always_lock bit is set */ 194 /* Only attempt lock if the always_lock bit is set */
195 195
196 if (field_flags & AML_FIELD_LOCK_RULE_MASK) { 196 if (field_flags & AML_FIELD_LOCK_RULE_MASK) {
197
197 /* We should attempt to get the lock, wait forever */ 198 /* We should attempt to get the lock, wait forever */
198 199
199 status = acpi_ev_acquire_global_lock(ACPI_WAIT_FOREVER); 200 status = acpi_ev_acquire_global_lock(ACPI_WAIT_FOREVER);
@@ -225,15 +226,17 @@ void acpi_ex_release_global_lock(u8 locked_by_me)
225{ 226{
226 acpi_status status; 227 acpi_status status;
227 228
228 ACPI_FUNCTION_TRACE("ex_release_global_lock"); 229 ACPI_FUNCTION_TRACE(ex_release_global_lock);
229 230
230 /* Only attempt unlock if the caller locked it */ 231 /* Only attempt unlock if the caller locked it */
231 232
232 if (locked_by_me) { 233 if (locked_by_me) {
234
233 /* OK, now release the lock */ 235 /* OK, now release the lock */
234 236
235 status = acpi_ev_release_global_lock(); 237 status = acpi_ev_release_global_lock();
236 if (ACPI_FAILURE(status)) { 238 if (ACPI_FAILURE(status)) {
239
237 /* Report the error, but there isn't much else we can do */ 240 /* Report the error, but there isn't much else we can do */
238 241
239 ACPI_EXCEPTION((AE_INFO, status, 242 ACPI_EXCEPTION((AE_INFO, status,
@@ -263,7 +266,7 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
263 u32 num_digits; 266 u32 num_digits;
264 acpi_integer current_value; 267 acpi_integer current_value;
265 268
266 ACPI_FUNCTION_TRACE("ex_digits_needed"); 269 ACPI_FUNCTION_TRACE(ex_digits_needed);
267 270
268 /* acpi_integer is unsigned, so we don't worry about a '-' prefix */ 271 /* acpi_integer is unsigned, so we don't worry about a '-' prefix */
269 272
diff --git a/drivers/acpi/hardware/hwacpi.c b/drivers/acpi/hardware/hwacpi.c
index ea2f13271ff1..de50fab2a910 100644
--- a/drivers/acpi/hardware/hwacpi.c
+++ b/drivers/acpi/hardware/hwacpi.c
@@ -63,7 +63,7 @@ acpi_status acpi_hw_initialize(void)
63{ 63{
64 acpi_status status; 64 acpi_status status;
65 65
66 ACPI_FUNCTION_TRACE("hw_initialize"); 66 ACPI_FUNCTION_TRACE(hw_initialize);
67 67
68 /* We must have the ACPI tables by the time we get here */ 68 /* We must have the ACPI tables by the time we get here */
69 69
@@ -100,7 +100,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
100 acpi_status status; 100 acpi_status status;
101 u32 retry; 101 u32 retry;
102 102
103 ACPI_FUNCTION_TRACE("hw_set_mode"); 103 ACPI_FUNCTION_TRACE(hw_set_mode);
104 104
105 /* 105 /*
106 * ACPI 2.0 clarified that if SMI_CMD in FADT is zero, 106 * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
@@ -198,7 +198,7 @@ u32 acpi_hw_get_mode(void)
198 acpi_status status; 198 acpi_status status;
199 u32 value; 199 u32 value;
200 200
201 ACPI_FUNCTION_TRACE("hw_get_mode"); 201 ACPI_FUNCTION_TRACE(hw_get_mode);
202 202
203 /* 203 /*
204 * ACPI 2.0 clarified that if SMI_CMD in FADT is zero, 204 * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index d84942d22dd5..608a3a60ee11 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -214,6 +214,7 @@ acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
214 /* Examine each GPE Register within the block */ 214 /* Examine each GPE Register within the block */
215 215
216 for (i = 0; i < gpe_block->register_count; i++) { 216 for (i = 0; i < gpe_block->register_count; i++) {
217
217 /* Disable all GPEs in this register */ 218 /* Disable all GPEs in this register */
218 219
219 status = acpi_hw_low_level_write(8, 0x00, 220 status = acpi_hw_low_level_write(8, 0x00,
@@ -250,6 +251,7 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info * gpe_xrupt_info,
250 /* Examine each GPE Register within the block */ 251 /* Examine each GPE Register within the block */
251 252
252 for (i = 0; i < gpe_block->register_count; i++) { 253 for (i = 0; i < gpe_block->register_count; i++) {
254
253 /* Clear status on all GPEs in this register */ 255 /* Clear status on all GPEs in this register */
254 256
255 status = acpi_hw_low_level_write(8, 0xFF, 257 status = acpi_hw_low_level_write(8, 0xFF,
@@ -368,7 +370,7 @@ acpi_status acpi_hw_disable_all_gpes(void)
368{ 370{
369 acpi_status status; 371 acpi_status status;
370 372
371 ACPI_FUNCTION_TRACE("hw_disable_all_gpes"); 373 ACPI_FUNCTION_TRACE(hw_disable_all_gpes);
372 374
373 status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block); 375 status = acpi_ev_walk_gpe_list(acpi_hw_disable_gpe_block);
374 status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block); 376 status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
@@ -391,7 +393,7 @@ acpi_status acpi_hw_enable_all_runtime_gpes(void)
391{ 393{
392 acpi_status status; 394 acpi_status status;
393 395
394 ACPI_FUNCTION_TRACE("hw_enable_all_runtime_gpes"); 396 ACPI_FUNCTION_TRACE(hw_enable_all_runtime_gpes);
395 397
396 status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block); 398 status = acpi_ev_walk_gpe_list(acpi_hw_enable_runtime_gpe_block);
397 return_ACPI_STATUS(status); 399 return_ACPI_STATUS(status);
@@ -413,7 +415,7 @@ acpi_status acpi_hw_enable_all_wakeup_gpes(void)
413{ 415{
414 acpi_status status; 416 acpi_status status;
415 417
416 ACPI_FUNCTION_TRACE("hw_enable_all_wakeup_gpes"); 418 ACPI_FUNCTION_TRACE(hw_enable_all_wakeup_gpes);
417 419
418 status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block); 420 status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block);
419 return_ACPI_STATUS(status); 421 return_ACPI_STATUS(status);
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index e1fe75498415..ae142de19507 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -43,8 +43,6 @@
43 * POSSIBILITY OF SUCH DAMAGES. 43 * POSSIBILITY OF SUCH DAMAGES.
44 */ 44 */
45 45
46#include <linux/module.h>
47
48#include <acpi/acpi.h> 46#include <acpi/acpi.h>
49#include <acpi/acnamesp.h> 47#include <acpi/acnamesp.h>
50#include <acpi/acevents.h> 48#include <acpi/acevents.h>
@@ -63,23 +61,21 @@ ACPI_MODULE_NAME("hwregs")
63 * DESCRIPTION: Clears all fixed and general purpose status bits 61 * DESCRIPTION: Clears all fixed and general purpose status bits
64 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED 62 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
65 * 63 *
64 * NOTE: TBD: Flags parameter is obsolete, to be removed
65 *
66 ******************************************************************************/ 66 ******************************************************************************/
67acpi_status acpi_hw_clear_acpi_status(u32 flags) 67acpi_status acpi_hw_clear_acpi_status(u32 flags)
68{ 68{
69 acpi_status status; 69 acpi_status status;
70 acpi_cpu_flags lock_flags = 0;
70 71
71 ACPI_FUNCTION_TRACE("hw_clear_acpi_status"); 72 ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
72 73
73 ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n", 74 ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
74 ACPI_BITMASK_ALL_FIXED_STATUS, 75 ACPI_BITMASK_ALL_FIXED_STATUS,
75 (u16) acpi_gbl_FADT->xpm1a_evt_blk.address)); 76 (u16) acpi_gbl_FADT->xpm1a_evt_blk.address));
76 77
77 if (flags & ACPI_MTX_LOCK) { 78 lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
78 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
79 if (ACPI_FAILURE(status)) {
80 return_ACPI_STATUS(status);
81 }
82 }
83 79
84 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK, 80 status = acpi_hw_register_write(ACPI_MTX_DO_NOT_LOCK,
85 ACPI_REGISTER_PM1_STATUS, 81 ACPI_REGISTER_PM1_STATUS,
@@ -104,9 +100,7 @@ acpi_status acpi_hw_clear_acpi_status(u32 flags)
104 status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block); 100 status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block);
105 101
106 unlock_and_exit: 102 unlock_and_exit:
107 if (flags & ACPI_MTX_LOCK) { 103 acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
108 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
109 }
110 return_ACPI_STATUS(status); 104 return_ACPI_STATUS(status);
111} 105}
112 106
@@ -129,10 +123,9 @@ acpi_status
129acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b) 123acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
130{ 124{
131 acpi_status status = AE_OK; 125 acpi_status status = AE_OK;
132 struct acpi_parameter_info info; 126 struct acpi_evaluate_info *info;
133 char *sleep_state_name;
134 127
135 ACPI_FUNCTION_TRACE("acpi_get_sleep_type_data"); 128 ACPI_FUNCTION_TRACE(acpi_get_sleep_type_data);
136 129
137 /* Validate parameters */ 130 /* Validate parameters */
138 131
@@ -140,34 +133,39 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
140 return_ACPI_STATUS(AE_BAD_PARAMETER); 133 return_ACPI_STATUS(AE_BAD_PARAMETER);
141 } 134 }
142 135
143 /* Evaluate the namespace object containing the values for this state */ 136 /* Allocate the evaluation information block */
137
138 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
139 if (!info) {
140 return_ACPI_STATUS(AE_NO_MEMORY);
141 }
144 142
145 info.parameters = NULL; 143 info->pathname =
146 info.return_object = NULL;
147 sleep_state_name =
148 ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]); 144 ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]);
149 145
150 status = acpi_ns_evaluate_by_name(sleep_state_name, &info); 146 /* Evaluate the namespace object containing the values for this state */
147
148 status = acpi_ns_evaluate(info);
151 if (ACPI_FAILURE(status)) { 149 if (ACPI_FAILURE(status)) {
152 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 150 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
153 "%s while evaluating sleep_state [%s]\n", 151 "%s while evaluating SleepState [%s]\n",
154 acpi_format_exception(status), 152 acpi_format_exception(status),
155 sleep_state_name)); 153 info->pathname));
156 154
157 return_ACPI_STATUS(status); 155 goto cleanup;
158 } 156 }
159 157
160 /* Must have a return object */ 158 /* Must have a return object */
161 159
162 if (!info.return_object) { 160 if (!info->return_object) {
163 ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]", 161 ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]",
164 sleep_state_name)); 162 info->pathname));
165 status = AE_NOT_EXIST; 163 status = AE_NOT_EXIST;
166 } 164 }
167 165
168 /* It must be of type Package */ 166 /* It must be of type Package */
169 167
170 else if (ACPI_GET_OBJECT_TYPE(info.return_object) != ACPI_TYPE_PACKAGE) { 168 else if (ACPI_GET_OBJECT_TYPE(info->return_object) != ACPI_TYPE_PACKAGE) {
171 ACPI_ERROR((AE_INFO, 169 ACPI_ERROR((AE_INFO,
172 "Sleep State return object is not a Package")); 170 "Sleep State return object is not a Package"));
173 status = AE_AML_OPERAND_TYPE; 171 status = AE_AML_OPERAND_TYPE;
@@ -180,7 +178,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
180 * by BIOS vendors seems to be to have 2 or more elements, at least 178 * by BIOS vendors seems to be to have 2 or more elements, at least
181 * one per sleep type (A/B). 179 * one per sleep type (A/B).
182 */ 180 */
183 else if (info.return_object->package.count < 2) { 181 else if (info->return_object->package.count < 2) {
184 ACPI_ERROR((AE_INFO, 182 ACPI_ERROR((AE_INFO,
185 "Sleep State return package does not have at least two elements")); 183 "Sleep State return package does not have at least two elements"));
186 status = AE_AML_NO_OPERAND; 184 status = AE_AML_NO_OPERAND;
@@ -188,39 +186,42 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b)
188 186
189 /* The first two elements must both be of type Integer */ 187 /* The first two elements must both be of type Integer */
190 188
191 else if ((ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[0]) 189 else if ((ACPI_GET_OBJECT_TYPE(info->return_object->package.elements[0])
192 != ACPI_TYPE_INTEGER) || 190 != ACPI_TYPE_INTEGER) ||
193 (ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[1]) 191 (ACPI_GET_OBJECT_TYPE(info->return_object->package.elements[1])
194 != ACPI_TYPE_INTEGER)) { 192 != ACPI_TYPE_INTEGER)) {
195 ACPI_ERROR((AE_INFO, 193 ACPI_ERROR((AE_INFO,
196 "Sleep State return package elements are not both Integers (%s, %s)", 194 "Sleep State return package elements are not both Integers (%s, %s)",
197 acpi_ut_get_object_type_name(info.return_object-> 195 acpi_ut_get_object_type_name(info->return_object->
198 package.elements[0]), 196 package.elements[0]),
199 acpi_ut_get_object_type_name(info.return_object-> 197 acpi_ut_get_object_type_name(info->return_object->
200 package.elements[1]))); 198 package.elements[1])));
201 status = AE_AML_OPERAND_TYPE; 199 status = AE_AML_OPERAND_TYPE;
202 } else { 200 } else {
203 /* Valid _Sx_ package size, type, and value */ 201 /* Valid _Sx_ package size, type, and value */
204 202
205 *sleep_type_a = (u8) 203 *sleep_type_a = (u8)
206 (info.return_object->package.elements[0])->integer.value; 204 (info->return_object->package.elements[0])->integer.value;
207 *sleep_type_b = (u8) 205 *sleep_type_b = (u8)
208 (info.return_object->package.elements[1])->integer.value; 206 (info->return_object->package.elements[1])->integer.value;
209 } 207 }
210 208
211 if (ACPI_FAILURE(status)) { 209 if (ACPI_FAILURE(status)) {
212 ACPI_EXCEPTION((AE_INFO, status, 210 ACPI_EXCEPTION((AE_INFO, status,
213 "While evaluating sleep_state [%s], bad Sleep object %p type %s", 211 "While evaluating SleepState [%s], bad Sleep object %p type %s",
214 sleep_state_name, info.return_object, 212 info->pathname, info->return_object,
215 acpi_ut_get_object_type_name(info. 213 acpi_ut_get_object_type_name(info->
216 return_object))); 214 return_object)));
217 } 215 }
218 216
219 acpi_ut_remove_reference(info.return_object); 217 acpi_ut_remove_reference(info->return_object);
218
219 cleanup:
220 ACPI_FREE(info);
220 return_ACPI_STATUS(status); 221 return_ACPI_STATUS(status);
221} 222}
222 223
223EXPORT_SYMBOL(acpi_get_sleep_type_data); 224ACPI_EXPORT_SYMBOL(acpi_get_sleep_type_data)
224 225
225/******************************************************************************* 226/*******************************************************************************
226 * 227 *
@@ -233,13 +234,12 @@ EXPORT_SYMBOL(acpi_get_sleep_type_data);
233 * DESCRIPTION: Map register_id into a register bitmask. 234 * DESCRIPTION: Map register_id into a register bitmask.
234 * 235 *
235 ******************************************************************************/ 236 ******************************************************************************/
236
237struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id) 237struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
238{ 238{
239 ACPI_FUNCTION_ENTRY(); 239 ACPI_FUNCTION_ENTRY();
240 240
241 if (register_id > ACPI_BITREG_MAX) { 241 if (register_id > ACPI_BITREG_MAX) {
242 ACPI_ERROR((AE_INFO, "Invalid bit_register ID: %X", 242 ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
243 register_id)); 243 register_id));
244 return (NULL); 244 return (NULL);
245 } 245 }
@@ -260,6 +260,8 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
260 * 260 *
261 * DESCRIPTION: ACPI bit_register read function. 261 * DESCRIPTION: ACPI bit_register read function.
262 * 262 *
263 * NOTE: TBD: Flags parameter is obsolete, to be removed
264 *
263 ******************************************************************************/ 265 ******************************************************************************/
264 266
265acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags) 267acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
@@ -268,7 +270,7 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
268 struct acpi_bit_register_info *bit_reg_info; 270 struct acpi_bit_register_info *bit_reg_info;
269 acpi_status status; 271 acpi_status status;
270 272
271 ACPI_FUNCTION_TRACE("acpi_get_register"); 273 ACPI_FUNCTION_TRACE(acpi_get_register);
272 274
273 /* Get the info structure corresponding to the requested ACPI Register */ 275 /* Get the info structure corresponding to the requested ACPI Register */
274 276
@@ -277,24 +279,14 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
277 return_ACPI_STATUS(AE_BAD_PARAMETER); 279 return_ACPI_STATUS(AE_BAD_PARAMETER);
278 } 280 }
279 281
280 if (flags & ACPI_MTX_LOCK) {
281 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
282 if (ACPI_FAILURE(status)) {
283 return_ACPI_STATUS(status);
284 }
285 }
286
287 /* Read from the register */ 282 /* Read from the register */
288 283
289 status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK, 284 status = acpi_hw_register_read(ACPI_MTX_LOCK,
290 bit_reg_info->parent_register, 285 bit_reg_info->parent_register,
291 &register_value); 286 &register_value);
292 287
293 if (flags & ACPI_MTX_LOCK) {
294 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
295 }
296
297 if (ACPI_SUCCESS(status)) { 288 if (ACPI_SUCCESS(status)) {
289
298 /* Normalize the value that was read */ 290 /* Normalize the value that was read */
299 291
300 register_value = 292 register_value =
@@ -311,7 +303,7 @@ acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags)
311 return_ACPI_STATUS(status); 303 return_ACPI_STATUS(status);
312} 304}
313 305
314EXPORT_SYMBOL(acpi_get_register); 306ACPI_EXPORT_SYMBOL(acpi_get_register)
315 307
316/******************************************************************************* 308/*******************************************************************************
317 * 309 *
@@ -326,31 +318,28 @@ EXPORT_SYMBOL(acpi_get_register);
326 * 318 *
327 * DESCRIPTION: ACPI Bit Register write function. 319 * DESCRIPTION: ACPI Bit Register write function.
328 * 320 *
321 * NOTE: TBD: Flags parameter is obsolete, to be removed
322 *
329 ******************************************************************************/ 323 ******************************************************************************/
330
331acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags) 324acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
332{ 325{
333 u32 register_value = 0; 326 u32 register_value = 0;
334 struct acpi_bit_register_info *bit_reg_info; 327 struct acpi_bit_register_info *bit_reg_info;
335 acpi_status status; 328 acpi_status status;
329 acpi_cpu_flags lock_flags;
336 330
337 ACPI_FUNCTION_TRACE_U32("acpi_set_register", register_id); 331 ACPI_FUNCTION_TRACE_U32(acpi_set_register, register_id);
338 332
339 /* Get the info structure corresponding to the requested ACPI Register */ 333 /* Get the info structure corresponding to the requested ACPI Register */
340 334
341 bit_reg_info = acpi_hw_get_bit_register_info(register_id); 335 bit_reg_info = acpi_hw_get_bit_register_info(register_id);
342 if (!bit_reg_info) { 336 if (!bit_reg_info) {
343 ACPI_ERROR((AE_INFO, "Bad ACPI HW register_id: %X", 337 ACPI_ERROR((AE_INFO, "Bad ACPI HW RegisterId: %X",
344 register_id)); 338 register_id));
345 return_ACPI_STATUS(AE_BAD_PARAMETER); 339 return_ACPI_STATUS(AE_BAD_PARAMETER);
346 } 340 }
347 341
348 if (flags & ACPI_MTX_LOCK) { 342 lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
349 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE);
350 if (ACPI_FAILURE(status)) {
351 return_ACPI_STATUS(status);
352 }
353 }
354 343
355 /* Always do a register read first so we can insert the new bits */ 344 /* Always do a register read first so we can insert the new bits */
356 345
@@ -458,9 +447,7 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
458 447
459 unlock_and_exit: 448 unlock_and_exit:
460 449
461 if (flags & ACPI_MTX_LOCK) { 450 acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
462 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE);
463 }
464 451
465 /* Normalize the value that was read */ 452 /* Normalize the value that was read */
466 453
@@ -474,7 +461,7 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags)
474 return_ACPI_STATUS(status); 461 return_ACPI_STATUS(status);
475} 462}
476 463
477EXPORT_SYMBOL(acpi_set_register); 464ACPI_EXPORT_SYMBOL(acpi_set_register)
478 465
479/****************************************************************************** 466/******************************************************************************
480 * 467 *
@@ -490,21 +477,18 @@ EXPORT_SYMBOL(acpi_set_register);
490 * given offset. 477 * given offset.
491 * 478 *
492 ******************************************************************************/ 479 ******************************************************************************/
493
494acpi_status 480acpi_status
495acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value) 481acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
496{ 482{
497 u32 value1 = 0; 483 u32 value1 = 0;
498 u32 value2 = 0; 484 u32 value2 = 0;
499 acpi_status status; 485 acpi_status status;
486 acpi_cpu_flags lock_flags = 0;
500 487
501 ACPI_FUNCTION_TRACE("hw_register_read"); 488 ACPI_FUNCTION_TRACE(hw_register_read);
502 489
503 if (ACPI_MTX_LOCK == use_lock) { 490 if (ACPI_MTX_LOCK == use_lock) {
504 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE); 491 lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
505 if (ACPI_FAILURE(status)) {
506 return_ACPI_STATUS(status);
507 }
508 } 492 }
509 493
510 switch (register_id) { 494 switch (register_id) {
@@ -582,7 +566,7 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
582 566
583 unlock_and_exit: 567 unlock_and_exit:
584 if (ACPI_MTX_LOCK == use_lock) { 568 if (ACPI_MTX_LOCK == use_lock) {
585 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE); 569 acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
586 } 570 }
587 571
588 if (ACPI_SUCCESS(status)) { 572 if (ACPI_SUCCESS(status)) {
@@ -610,14 +594,12 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value)
610acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) 594acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
611{ 595{
612 acpi_status status; 596 acpi_status status;
597 acpi_cpu_flags lock_flags = 0;
613 598
614 ACPI_FUNCTION_TRACE("hw_register_write"); 599 ACPI_FUNCTION_TRACE(hw_register_write);
615 600
616 if (ACPI_MTX_LOCK == use_lock) { 601 if (ACPI_MTX_LOCK == use_lock) {
617 status = acpi_ut_acquire_mutex(ACPI_MTX_HARDWARE); 602 lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
618 if (ACPI_FAILURE(status)) {
619 return_ACPI_STATUS(status);
620 }
621 } 603 }
622 604
623 switch (register_id) { 605 switch (register_id) {
@@ -707,7 +689,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value)
707 689
708 unlock_and_exit: 690 unlock_and_exit:
709 if (ACPI_MTX_LOCK == use_lock) { 691 if (ACPI_MTX_LOCK == use_lock) {
710 (void)acpi_ut_release_mutex(ACPI_MTX_HARDWARE); 692 acpi_os_release_lock(acpi_gbl_hardware_lock, lock_flags);
711 } 693 }
712 694
713 return_ACPI_STATUS(status); 695 return_ACPI_STATUS(status);
@@ -733,7 +715,7 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg)
733 u64 address; 715 u64 address;
734 acpi_status status; 716 acpi_status status;
735 717
736 ACPI_FUNCTION_NAME("hw_low_level_read"); 718 ACPI_FUNCTION_NAME(hw_low_level_read);
737 719
738 /* 720 /*
739 * Must have a valid pointer to a GAS structure, and 721 * Must have a valid pointer to a GAS structure, and
@@ -805,7 +787,7 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg)
805 u64 address; 787 u64 address;
806 acpi_status status; 788 acpi_status status;
807 789
808 ACPI_FUNCTION_NAME("hw_low_level_write"); 790 ACPI_FUNCTION_NAME(hw_low_level_write);
809 791
810 /* 792 /*
811 * Must have a valid pointer to a GAS structure, and 793 * Must have a valid pointer to a GAS structure, and
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 89269272fd62..8bb43cae60c2 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -42,7 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46#include <acpi/acpi.h> 45#include <acpi/acpi.h>
47 46
48#define _COMPONENT ACPI_HARDWARE 47#define _COMPONENT ACPI_HARDWARE
@@ -64,7 +63,7 @@ acpi_status
64acpi_set_firmware_waking_vector(acpi_physical_address physical_address) 63acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
65{ 64{
66 65
67 ACPI_FUNCTION_TRACE("acpi_set_firmware_waking_vector"); 66 ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
68 67
69 /* Set the vector */ 68 /* Set the vector */
70 69
@@ -79,6 +78,8 @@ acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
79 return_ACPI_STATUS(AE_OK); 78 return_ACPI_STATUS(AE_OK);
80} 79}
81 80
81ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
82
82/******************************************************************************* 83/*******************************************************************************
83 * 84 *
84 * FUNCTION: acpi_get_firmware_waking_vector 85 * FUNCTION: acpi_get_firmware_waking_vector
@@ -92,13 +93,12 @@ acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
92 * DESCRIPTION: Access function for the firmware_waking_vector field in FACS 93 * DESCRIPTION: Access function for the firmware_waking_vector field in FACS
93 * 94 *
94 ******************************************************************************/ 95 ******************************************************************************/
95
96#ifdef ACPI_FUTURE_USAGE 96#ifdef ACPI_FUTURE_USAGE
97acpi_status 97acpi_status
98acpi_get_firmware_waking_vector(acpi_physical_address * physical_address) 98acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
99{ 99{
100 100
101 ACPI_FUNCTION_TRACE("acpi_get_firmware_waking_vector"); 101 ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector);
102 102
103 if (!physical_address) { 103 if (!physical_address) {
104 return_ACPI_STATUS(AE_BAD_PARAMETER); 104 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -118,6 +118,8 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
118 118
119 return_ACPI_STATUS(AE_OK); 119 return_ACPI_STATUS(AE_OK);
120} 120}
121
122ACPI_EXPORT_SYMBOL(acpi_get_firmware_waking_vector)
121#endif 123#endif
122 124
123/******************************************************************************* 125/*******************************************************************************
@@ -134,14 +136,13 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
134 * various OS-specific tasks between the two steps. 136 * various OS-specific tasks between the two steps.
135 * 137 *
136 ******************************************************************************/ 138 ******************************************************************************/
137
138acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) 139acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
139{ 140{
140 acpi_status status; 141 acpi_status status;
141 struct acpi_object_list arg_list; 142 struct acpi_object_list arg_list;
142 union acpi_object arg; 143 union acpi_object arg;
143 144
144 ACPI_FUNCTION_TRACE("acpi_enter_sleep_state_prep"); 145 ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep);
145 146
146 /* 147 /*
147 * _PSW methods could be run here to enable wake-on keyboard, LAN, etc. 148 * _PSW methods could be run here to enable wake-on keyboard, LAN, etc.
@@ -206,6 +207,8 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
206 return_ACPI_STATUS(AE_OK); 207 return_ACPI_STATUS(AE_OK);
207} 208}
208 209
210ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
211
209/******************************************************************************* 212/*******************************************************************************
210 * 213 *
211 * FUNCTION: acpi_enter_sleep_state 214 * FUNCTION: acpi_enter_sleep_state
@@ -218,7 +221,6 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
218 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED 221 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
219 * 222 *
220 ******************************************************************************/ 223 ******************************************************************************/
221
222acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) 224acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
223{ 225{
224 u32 PM1Acontrol; 226 u32 PM1Acontrol;
@@ -228,7 +230,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
228 u32 in_value; 230 u32 in_value;
229 acpi_status status; 231 acpi_status status;
230 232
231 ACPI_FUNCTION_TRACE("acpi_enter_sleep_state"); 233 ACPI_FUNCTION_TRACE(acpi_enter_sleep_state);
232 234
233 if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) || 235 if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) ||
234 (acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) { 236 (acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) {
@@ -378,7 +380,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
378 return_ACPI_STATUS(AE_OK); 380 return_ACPI_STATUS(AE_OK);
379} 381}
380 382
381EXPORT_SYMBOL(acpi_enter_sleep_state); 383ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
382 384
383/******************************************************************************* 385/*******************************************************************************
384 * 386 *
@@ -392,13 +394,12 @@ EXPORT_SYMBOL(acpi_enter_sleep_state);
392 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED 394 * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
393 * 395 *
394 ******************************************************************************/ 396 ******************************************************************************/
395
396acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) 397acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
397{ 398{
398 u32 in_value; 399 u32 in_value;
399 acpi_status status; 400 acpi_status status;
400 401
401 ACPI_FUNCTION_TRACE("acpi_enter_sleep_state_s4bios"); 402 ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
402 403
403 status = 404 status =
404 acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK); 405 acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
@@ -443,7 +444,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
443 return_ACPI_STATUS(AE_OK); 444 return_ACPI_STATUS(AE_OK);
444} 445}
445 446
446EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios); 447ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
447 448
448/******************************************************************************* 449/*******************************************************************************
449 * 450 *
@@ -457,7 +458,6 @@ EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios);
457 * Called with interrupts ENABLED. 458 * Called with interrupts ENABLED.
458 * 459 *
459 ******************************************************************************/ 460 ******************************************************************************/
460
461acpi_status acpi_leave_sleep_state(u8 sleep_state) 461acpi_status acpi_leave_sleep_state(u8 sleep_state)
462{ 462{
463 struct acpi_object_list arg_list; 463 struct acpi_object_list arg_list;
@@ -468,7 +468,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
468 u32 PM1Acontrol; 468 u32 PM1Acontrol;
469 u32 PM1Bcontrol; 469 u32 PM1Bcontrol;
470 470
471 ACPI_FUNCTION_TRACE("acpi_leave_sleep_state"); 471 ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
472 472
473 /* 473 /*
474 * Set SLP_TYPE and SLP_EN to state S0. 474 * Set SLP_TYPE and SLP_EN to state S0.
@@ -490,6 +490,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
490 ACPI_REGISTER_PM1_CONTROL, 490 ACPI_REGISTER_PM1_CONTROL,
491 &PM1Acontrol); 491 &PM1Acontrol);
492 if (ACPI_SUCCESS(status)) { 492 if (ACPI_SUCCESS(status)) {
493
493 /* Clear SLP_EN and SLP_TYP fields */ 494 /* Clear SLP_EN and SLP_TYP fields */
494 495
495 PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask | 496 PM1Acontrol &= ~(sleep_type_reg_info->access_bit_mask |
@@ -583,3 +584,5 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
583 584
584 return_ACPI_STATUS(status); 585 return_ACPI_STATUS(status);
585} 586}
587
588ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state)
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c
index fc10b7cb456f..c4ec47c939fd 100644
--- a/drivers/acpi/hardware/hwtimer.c
+++ b/drivers/acpi/hardware/hwtimer.c
@@ -42,7 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46#include <acpi/acpi.h> 45#include <acpi/acpi.h>
47 46
48#define _COMPONENT ACPI_HARDWARE 47#define _COMPONENT ACPI_HARDWARE
@@ -61,13 +60,13 @@ ACPI_MODULE_NAME("hwtimer")
61 ******************************************************************************/ 60 ******************************************************************************/
62acpi_status acpi_get_timer_resolution(u32 * resolution) 61acpi_status acpi_get_timer_resolution(u32 * resolution)
63{ 62{
64 ACPI_FUNCTION_TRACE("acpi_get_timer_resolution"); 63 ACPI_FUNCTION_TRACE(acpi_get_timer_resolution);
65 64
66 if (!resolution) { 65 if (!resolution) {
67 return_ACPI_STATUS(AE_BAD_PARAMETER); 66 return_ACPI_STATUS(AE_BAD_PARAMETER);
68 } 67 }
69 68
70 if (0 == acpi_gbl_FADT->tmr_val_ext) { 69 if (acpi_gbl_FADT->tmr_val_ext == 0) {
71 *resolution = 24; 70 *resolution = 24;
72 } else { 71 } else {
73 *resolution = 32; 72 *resolution = 32;
@@ -76,6 +75,8 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
76 return_ACPI_STATUS(AE_OK); 75 return_ACPI_STATUS(AE_OK);
77} 76}
78 77
78ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution)
79
79/****************************************************************************** 80/******************************************************************************
80 * 81 *
81 * FUNCTION: acpi_get_timer 82 * FUNCTION: acpi_get_timer
@@ -87,12 +88,11 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
87 * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks). 88 * DESCRIPTION: Obtains current value of ACPI PM Timer (in ticks).
88 * 89 *
89 ******************************************************************************/ 90 ******************************************************************************/
90
91acpi_status acpi_get_timer(u32 * ticks) 91acpi_status acpi_get_timer(u32 * ticks)
92{ 92{
93 acpi_status status; 93 acpi_status status;
94 94
95 ACPI_FUNCTION_TRACE("acpi_get_timer"); 95 ACPI_FUNCTION_TRACE(acpi_get_timer);
96 96
97 if (!ticks) { 97 if (!ticks) {
98 return_ACPI_STATUS(AE_BAD_PARAMETER); 98 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -103,7 +103,7 @@ acpi_status acpi_get_timer(u32 * ticks)
103 return_ACPI_STATUS(status); 103 return_ACPI_STATUS(status);
104} 104}
105 105
106EXPORT_SYMBOL(acpi_get_timer); 106ACPI_EXPORT_SYMBOL(acpi_get_timer)
107 107
108/****************************************************************************** 108/******************************************************************************
109 * 109 *
@@ -133,7 +133,6 @@ EXPORT_SYMBOL(acpi_get_timer);
133 * 2**32 Ticks / 3,600,000 Ticks/Sec = 1193 sec or 19.88 minutes 133 * 2**32 Ticks / 3,600,000 Ticks/Sec = 1193 sec or 19.88 minutes
134 * 134 *
135 ******************************************************************************/ 135 ******************************************************************************/
136
137acpi_status 136acpi_status
138acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed) 137acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
139{ 138{
@@ -141,7 +140,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
141 u32 delta_ticks; 140 u32 delta_ticks;
142 acpi_integer quotient; 141 acpi_integer quotient;
143 142
144 ACPI_FUNCTION_TRACE("acpi_get_timer_duration"); 143 ACPI_FUNCTION_TRACE(acpi_get_timer_duration);
145 144
146 if (!time_elapsed) { 145 if (!time_elapsed) {
147 return_ACPI_STATUS(AE_BAD_PARAMETER); 146 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -154,7 +153,8 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
154 if (start_ticks < end_ticks) { 153 if (start_ticks < end_ticks) {
155 delta_ticks = end_ticks - start_ticks; 154 delta_ticks = end_ticks - start_ticks;
156 } else if (start_ticks > end_ticks) { 155 } else if (start_ticks > end_ticks) {
157 if (0 == acpi_gbl_FADT->tmr_val_ext) { 156 if (acpi_gbl_FADT->tmr_val_ext == 0) {
157
158 /* 24-bit Timer */ 158 /* 24-bit Timer */
159 159
160 delta_ticks = 160 delta_ticks =
@@ -183,4 +183,4 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
183 return_ACPI_STATUS(status); 183 return_ACPI_STATUS(status);
184} 184}
185 185
186EXPORT_SYMBOL(acpi_get_timer_duration); 186ACPI_EXPORT_SYMBOL(acpi_get_timer_duration)
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 1149bc18fb35..48fadade52e2 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -70,7 +70,7 @@ acpi_status acpi_ns_root_initialize(void)
70 union acpi_operand_object *obj_desc; 70 union acpi_operand_object *obj_desc;
71 acpi_string val = NULL; 71 acpi_string val = NULL;
72 72
73 ACPI_FUNCTION_TRACE("ns_root_initialize"); 73 ACPI_FUNCTION_TRACE(ns_root_initialize);
74 74
75 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 75 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
76 if (ACPI_FAILURE(status)) { 76 if (ACPI_FAILURE(status)) {
@@ -98,6 +98,7 @@ acpi_status acpi_ns_root_initialize(void)
98 "Entering predefined entries into namespace\n")); 98 "Entering predefined entries into namespace\n"));
99 99
100 for (init_val = acpi_gbl_pre_defined_names; init_val->name; init_val++) { 100 for (init_val = acpi_gbl_pre_defined_names; init_val->name; init_val++) {
101
101 /* _OSI is optional for now, will be permanent later */ 102 /* _OSI is optional for now, will be permanent later */
102 103
103 if (!ACPI_STRCMP(init_val->name, "_OSI") 104 if (!ACPI_STRCMP(init_val->name, "_OSI")
@@ -156,7 +157,7 @@ acpi_status acpi_ns_root_initialize(void)
156 157
157#if defined (ACPI_ASL_COMPILER) 158#if defined (ACPI_ASL_COMPILER)
158 159
159 /* save the parameter count for the i_aSL compiler */ 160 /* Save the parameter count for the i_aSL compiler */
160 161
161 new_node->value = obj_desc->method.param_count; 162 new_node->value = obj_desc->method.param_count;
162#else 163#else
@@ -258,10 +259,8 @@ acpi_status acpi_ns_root_initialize(void)
258 /* Save a handle to "_GPE", it is always present */ 259 /* Save a handle to "_GPE", it is always present */
259 260
260 if (ACPI_SUCCESS(status)) { 261 if (ACPI_SUCCESS(status)) {
261 status = 262 status = acpi_ns_get_node(NULL, "\\_GPE", ACPI_NS_NO_UPSEARCH,
262 acpi_ns_get_node_by_path("\\_GPE", NULL, 263 &acpi_gbl_fadt_gpe_device);
263 ACPI_NS_NO_UPSEARCH,
264 &acpi_gbl_fadt_gpe_device);
265 } 264 }
266 265
267 return_ACPI_STATUS(status); 266 return_ACPI_STATUS(status);
@@ -310,17 +309,17 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
310 acpi_object_type type_to_check_for; 309 acpi_object_type type_to_check_for;
311 acpi_object_type this_search_type; 310 acpi_object_type this_search_type;
312 u32 search_parent_flag = ACPI_NS_SEARCH_PARENT; 311 u32 search_parent_flag = ACPI_NS_SEARCH_PARENT;
313 u32 local_flags = flags & ~(ACPI_NS_ERROR_IF_FOUND | 312 u32 local_flags;
314 ACPI_NS_SEARCH_PARENT);
315 313
316 ACPI_FUNCTION_TRACE("ns_lookup"); 314 ACPI_FUNCTION_TRACE(ns_lookup);
317 315
318 if (!return_node) { 316 if (!return_node) {
319 return_ACPI_STATUS(AE_BAD_PARAMETER); 317 return_ACPI_STATUS(AE_BAD_PARAMETER);
320 } 318 }
321 319
322 acpi_gbl_ns_lookup_count++; 320 local_flags = flags & ~(ACPI_NS_ERROR_IF_FOUND | ACPI_NS_SEARCH_PARENT);
323 *return_node = ACPI_ENTRY_NOT_FOUND; 321 *return_node = ACPI_ENTRY_NOT_FOUND;
322 acpi_gbl_ns_lookup_count++;
324 323
325 if (!acpi_gbl_root_node) { 324 if (!acpi_gbl_root_node) {
326 return_ACPI_STATUS(AE_NO_NAMESPACE); 325 return_ACPI_STATUS(AE_NO_NAMESPACE);
@@ -346,14 +345,17 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
346 return_ACPI_STATUS(AE_AML_INTERNAL); 345 return_ACPI_STATUS(AE_AML_INTERNAL);
347 } 346 }
348 347
349 /* 348 if (!(flags & ACPI_NS_PREFIX_IS_SCOPE)) {
350 * This node might not be a actual "scope" node (such as a 349 /*
351 * Device/Method, etc.) It could be a Package or other object node. 350 * This node might not be a actual "scope" node (such as a
352 * Backup up the tree to find the containing scope node. 351 * Device/Method, etc.) It could be a Package or other object node.
353 */ 352 * Backup up the tree to find the containing scope node.
354 while (!acpi_ns_opens_scope(prefix_node->type) && 353 */
355 prefix_node->type != ACPI_TYPE_ANY) { 354 while (!acpi_ns_opens_scope(prefix_node->type) &&
356 prefix_node = acpi_ns_get_parent_node(prefix_node); 355 prefix_node->type != ACPI_TYPE_ANY) {
356 prefix_node =
357 acpi_ns_get_parent_node(prefix_node);
358 }
357 } 359 }
358 } 360 }
359 361
@@ -365,6 +367,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
365 * Begin examination of the actual pathname 367 * Begin examination of the actual pathname
366 */ 368 */
367 if (!pathname) { 369 if (!pathname) {
370
368 /* A Null name_path is allowed and refers to the root */ 371 /* A Null name_path is allowed and refers to the root */
369 372
370 num_segments = 0; 373 num_segments = 0;
@@ -389,6 +392,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
389 * to the current scope). 392 * to the current scope).
390 */ 393 */
391 if (*path == (u8) AML_ROOT_PREFIX) { 394 if (*path == (u8) AML_ROOT_PREFIX) {
395
392 /* Pathname is fully qualified, start from the root */ 396 /* Pathname is fully qualified, start from the root */
393 397
394 this_node = acpi_gbl_root_node; 398 this_node = acpi_gbl_root_node;
@@ -416,6 +420,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
416 this_node = prefix_node; 420 this_node = prefix_node;
417 num_carats = 0; 421 num_carats = 0;
418 while (*path == (u8) AML_PARENT_PREFIX) { 422 while (*path == (u8) AML_PARENT_PREFIX) {
423
419 /* Name is fully qualified, no search rules apply */ 424 /* Name is fully qualified, no search rules apply */
420 425
421 search_parent_flag = ACPI_NS_NO_UPSEARCH; 426 search_parent_flag = ACPI_NS_NO_UPSEARCH;
@@ -430,6 +435,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
430 num_carats++; 435 num_carats++;
431 this_node = acpi_ns_get_parent_node(this_node); 436 this_node = acpi_ns_get_parent_node(this_node);
432 if (!this_node) { 437 if (!this_node) {
438
433 /* Current scope has no parent scope */ 439 /* Current scope has no parent scope */
434 440
435 ACPI_ERROR((AE_INFO, 441 ACPI_ERROR((AE_INFO,
@@ -569,6 +575,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
569 &this_node); 575 &this_node);
570 if (ACPI_FAILURE(status)) { 576 if (ACPI_FAILURE(status)) {
571 if (status == AE_NOT_FOUND) { 577 if (status == AE_NOT_FOUND) {
578
572 /* Name not found in ACPI namespace */ 579 /* Name not found in ACPI namespace */
573 580
574 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 581 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
@@ -602,10 +609,11 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
602 (type_to_check_for != ACPI_TYPE_LOCAL_SCOPE) && 609 (type_to_check_for != ACPI_TYPE_LOCAL_SCOPE) &&
603 (this_node->type != ACPI_TYPE_ANY) && 610 (this_node->type != ACPI_TYPE_ANY) &&
604 (this_node->type != type_to_check_for)) { 611 (this_node->type != type_to_check_for)) {
612
605 /* Complain about a type mismatch */ 613 /* Complain about a type mismatch */
606 614
607 ACPI_WARNING((AE_INFO, 615 ACPI_WARNING((AE_INFO,
608 "ns_lookup: Type mismatch on %4.4s (%s), searching for (%s)", 616 "NsLookup: Type mismatch on %4.4s (%s), searching for (%s)",
609 ACPI_CAST_PTR(char, &simple_name), 617 ACPI_CAST_PTR(char, &simple_name),
610 acpi_ut_get_type_name(this_node->type), 618 acpi_ut_get_type_name(this_node->type),
611 acpi_ut_get_type_name 619 acpi_ut_get_type_name
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 9b871f38b61b..dc3f0739a46b 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -47,9 +47,6 @@
47#define _COMPONENT ACPI_NAMESPACE 47#define _COMPONENT ACPI_NAMESPACE
48ACPI_MODULE_NAME("nsalloc") 48ACPI_MODULE_NAME("nsalloc")
49 49
50/* Local prototypes */
51static void acpi_ns_remove_reference(struct acpi_namespace_node *node);
52
53/******************************************************************************* 50/*******************************************************************************
54 * 51 *
55 * FUNCTION: acpi_ns_create_node 52 * FUNCTION: acpi_ns_create_node
@@ -61,14 +58,13 @@ static void acpi_ns_remove_reference(struct acpi_namespace_node *node);
61 * DESCRIPTION: Create a namespace node 58 * DESCRIPTION: Create a namespace node
62 * 59 *
63 ******************************************************************************/ 60 ******************************************************************************/
64
65struct acpi_namespace_node *acpi_ns_create_node(u32 name) 61struct acpi_namespace_node *acpi_ns_create_node(u32 name)
66{ 62{
67 struct acpi_namespace_node *node; 63 struct acpi_namespace_node *node;
68 64
69 ACPI_FUNCTION_TRACE("ns_create_node"); 65 ACPI_FUNCTION_TRACE(ns_create_node);
70 66
71 node = ACPI_MEM_CALLOCATE(sizeof(struct acpi_namespace_node)); 67 node = acpi_os_acquire_object(acpi_gbl_namespace_cache);
72 if (!node) { 68 if (!node) {
73 return_PTR(NULL); 69 return_PTR(NULL);
74 } 70 }
@@ -76,9 +72,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name)
76 ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++); 72 ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_allocated++);
77 73
78 node->name.integer = name; 74 node->name.integer = name;
79 node->reference_count = 1;
80 ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED); 75 ACPI_SET_DESCRIPTOR_TYPE(node, ACPI_DESC_TYPE_NAMED);
81
82 return_PTR(node); 76 return_PTR(node);
83} 77}
84 78
@@ -100,7 +94,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
100 struct acpi_namespace_node *prev_node; 94 struct acpi_namespace_node *prev_node;
101 struct acpi_namespace_node *next_node; 95 struct acpi_namespace_node *next_node;
102 96
103 ACPI_FUNCTION_TRACE_PTR("ns_delete_node", node); 97 ACPI_FUNCTION_TRACE_PTR(ns_delete_node, node);
104 98
105 parent_node = acpi_ns_get_parent_node(node); 99 parent_node = acpi_ns_get_parent_node(node);
106 100
@@ -115,6 +109,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
115 } 109 }
116 110
117 if (prev_node) { 111 if (prev_node) {
112
118 /* Node is not first child, unlink it */ 113 /* Node is not first child, unlink it */
119 114
120 prev_node->peer = next_node->peer; 115 prev_node->peer = next_node->peer;
@@ -125,6 +120,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
125 /* Node is first child (has no previous peer) */ 120 /* Node is first child (has no previous peer) */
126 121
127 if (next_node->flags & ANOBJ_END_OF_PEER_LIST) { 122 if (next_node->flags & ANOBJ_END_OF_PEER_LIST) {
123
128 /* No peers at all */ 124 /* No peers at all */
129 125
130 parent_node->child = NULL; 126 parent_node->child = NULL;
@@ -137,10 +133,10 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node)
137 ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++); 133 ACPI_MEM_TRACKING(acpi_gbl_ns_node_list->total_freed++);
138 134
139 /* 135 /*
140 * Detach an object if there is one then delete the node 136 * Detach an object if there is one, then delete the node
141 */ 137 */
142 acpi_ns_detach_object(node); 138 acpi_ns_detach_object(node);
143 ACPI_MEM_FREE(node); 139 (void)acpi_os_release_object(acpi_gbl_namespace_cache, node);
144 return_VOID; 140 return_VOID;
145} 141}
146 142
@@ -171,7 +167,7 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
171 acpi_owner_id owner_id = 0; 167 acpi_owner_id owner_id = 0;
172 struct acpi_namespace_node *child_node; 168 struct acpi_namespace_node *child_node;
173 169
174 ACPI_FUNCTION_TRACE("ns_install_node"); 170 ACPI_FUNCTION_TRACE(ns_install_node);
175 171
176 /* 172 /*
177 * Get the owner ID from the Walk state 173 * Get the owner ID from the Walk state
@@ -216,14 +212,6 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
216 acpi_ut_get_type_name(parent_node->type), 212 acpi_ut_get_type_name(parent_node->type),
217 parent_node)); 213 parent_node));
218 214
219 /*
220 * Increment the reference count(s) of all parents up to
221 * the root!
222 */
223 while ((node = acpi_ns_get_parent_node(node)) != NULL) {
224 node->reference_count++;
225 }
226
227 return_VOID; 215 return_VOID;
228} 216}
229 217
@@ -244,10 +232,9 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
244{ 232{
245 struct acpi_namespace_node *child_node; 233 struct acpi_namespace_node *child_node;
246 struct acpi_namespace_node *next_node; 234 struct acpi_namespace_node *next_node;
247 struct acpi_namespace_node *node;
248 u8 flags; 235 u8 flags;
249 236
250 ACPI_FUNCTION_TRACE_PTR("ns_delete_children", parent_node); 237 ACPI_FUNCTION_TRACE_PTR(ns_delete_children, parent_node);
251 238
252 if (!parent_node) { 239 if (!parent_node) {
253 return_VOID; 240 return_VOID;
@@ -264,6 +251,7 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
264 * Deallocate all children at this level 251 * Deallocate all children at this level
265 */ 252 */
266 do { 253 do {
254
267 /* Get the things we need */ 255 /* Get the things we need */
268 256
269 next_node = child_node->peer; 257 next_node = child_node->peer;
@@ -289,26 +277,10 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node)
289 */ 277 */
290 acpi_ns_detach_object(child_node); 278 acpi_ns_detach_object(child_node);
291 279
292 /*
293 * Decrement the reference count(s) of all parents up to
294 * the root! (counts were incremented when the node was created)
295 */
296 node = child_node;
297 while ((node = acpi_ns_get_parent_node(node)) != NULL) {
298 node->reference_count--;
299 }
300
301 /* There should be only one reference remaining on this node */
302
303 if (child_node->reference_count != 1) {
304 ACPI_WARNING((AE_INFO,
305 "Existing references (%d) on node being deleted (%p)",
306 child_node->reference_count, child_node));
307 }
308
309 /* Now we can delete the node */ 280 /* Now we can delete the node */
310 281
311 ACPI_MEM_FREE(child_node); 282 (void)acpi_os_release_object(acpi_gbl_namespace_cache,
283 child_node);
312 284
313 /* And move on to the next child in the list */ 285 /* And move on to the next child in the list */
314 286
@@ -341,7 +313,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
341 struct acpi_namespace_node *child_node = NULL; 313 struct acpi_namespace_node *child_node = NULL;
342 u32 level = 1; 314 u32 level = 1;
343 315
344 ACPI_FUNCTION_TRACE("ns_delete_namespace_subtree"); 316 ACPI_FUNCTION_TRACE(ns_delete_namespace_subtree);
345 317
346 if (!parent_node) { 318 if (!parent_node) {
347 return_VOID; 319 return_VOID;
@@ -352,11 +324,14 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
352 * to where we started. 324 * to where we started.
353 */ 325 */
354 while (level > 0) { 326 while (level > 0) {
327
355 /* Get the next node in this scope (NULL if none) */ 328 /* Get the next node in this scope (NULL if none) */
356 329
357 child_node = acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node, 330 child_node =
358 child_node); 331 acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
332 child_node);
359 if (child_node) { 333 if (child_node) {
334
360 /* Found a child node - detach any attached object */ 335 /* Found a child node - detach any attached object */
361 336
362 acpi_ns_detach_object(child_node); 337 acpi_ns_detach_object(child_node);
@@ -401,55 +376,6 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
401 376
402/******************************************************************************* 377/*******************************************************************************
403 * 378 *
404 * FUNCTION: acpi_ns_remove_reference
405 *
406 * PARAMETERS: Node - Named node whose reference count is to be
407 * decremented
408 *
409 * RETURN: None.
410 *
411 * DESCRIPTION: Remove a Node reference. Decrements the reference count
412 * of all parent Nodes up to the root. Any node along
413 * the way that reaches zero references is freed.
414 *
415 ******************************************************************************/
416
417static void acpi_ns_remove_reference(struct acpi_namespace_node *node)
418{
419 struct acpi_namespace_node *parent_node;
420 struct acpi_namespace_node *this_node;
421
422 ACPI_FUNCTION_ENTRY();
423
424 /*
425 * Decrement the reference count(s) of this node and all
426 * nodes up to the root, Delete anything with zero remaining references.
427 */
428 this_node = node;
429 while (this_node) {
430 /* Prepare to move up to parent */
431
432 parent_node = acpi_ns_get_parent_node(this_node);
433
434 /* Decrement the reference count on this node */
435
436 this_node->reference_count--;
437
438 /* Delete the node if no more references */
439
440 if (!this_node->reference_count) {
441 /* Delete all children and delete the node */
442
443 acpi_ns_delete_children(this_node);
444 acpi_ns_delete_node(this_node);
445 }
446
447 this_node = parent_node;
448 }
449}
450
451/*******************************************************************************
452 *
453 * FUNCTION: acpi_ns_delete_namespace_by_owner 379 * FUNCTION: acpi_ns_delete_namespace_by_owner
454 * 380 *
455 * PARAMETERS: owner_id - All nodes with this owner will be deleted 381 * PARAMETERS: owner_id - All nodes with this owner will be deleted
@@ -469,15 +395,15 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
469 u32 level; 395 u32 level;
470 struct acpi_namespace_node *parent_node; 396 struct acpi_namespace_node *parent_node;
471 397
472 ACPI_FUNCTION_TRACE_U32("ns_delete_namespace_by_owner", owner_id); 398 ACPI_FUNCTION_TRACE_U32(ns_delete_namespace_by_owner, owner_id);
473 399
474 if (owner_id == 0) { 400 if (owner_id == 0) {
475 return_VOID; 401 return_VOID;
476 } 402 }
477 403
404 deletion_node = NULL;
478 parent_node = acpi_gbl_root_node; 405 parent_node = acpi_gbl_root_node;
479 child_node = NULL; 406 child_node = NULL;
480 deletion_node = NULL;
481 level = 1; 407 level = 1;
482 408
483 /* 409 /*
@@ -494,12 +420,14 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
494 child_node); 420 child_node);
495 421
496 if (deletion_node) { 422 if (deletion_node) {
497 acpi_ns_remove_reference(deletion_node); 423 acpi_ns_delete_children(deletion_node);
424 acpi_ns_delete_node(deletion_node);
498 deletion_node = NULL; 425 deletion_node = NULL;
499 } 426 }
500 427
501 if (child_node) { 428 if (child_node) {
502 if (child_node->owner_id == owner_id) { 429 if (child_node->owner_id == owner_id) {
430
503 /* Found a matching child node - detach any attached object */ 431 /* Found a matching child node - detach any attached object */
504 432
505 acpi_ns_detach_object(child_node); 433 acpi_ns_detach_object(child_node);
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index a2807317a84b..d72df66aa965 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -75,7 +75,7 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname)
75{ 75{
76 acpi_native_uint i; 76 acpi_native_uint i;
77 77
78 ACPI_FUNCTION_NAME("ns_print_pathname"); 78 ACPI_FUNCTION_NAME(ns_print_pathname);
79 79
80 if (!(acpi_dbg_level & ACPI_LV_NAMES) 80 if (!(acpi_dbg_level & ACPI_LV_NAMES)
81 || !(acpi_dbg_layer & ACPI_NAMESPACE)) { 81 || !(acpi_dbg_layer & ACPI_NAMESPACE)) {
@@ -123,7 +123,7 @@ void
123acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component) 123acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component)
124{ 124{
125 125
126 ACPI_FUNCTION_TRACE("ns_dump_pathname"); 126 ACPI_FUNCTION_TRACE(ns_dump_pathname);
127 127
128 /* Do this only if the requested debug level and component are enabled */ 128 /* Do this only if the requested debug level and component are enabled */
129 129
@@ -167,7 +167,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
167 u32 dbg_level; 167 u32 dbg_level;
168 u32 i; 168 u32 i;
169 169
170 ACPI_FUNCTION_NAME("ns_dump_one_object"); 170 ACPI_FUNCTION_NAME(ns_dump_one_object);
171 171
172 /* Is output enabled? */ 172 /* Is output enabled? */
173 173
@@ -191,6 +191,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
191 } 191 }
192 192
193 if (!(info->display_type & ACPI_DISPLAY_SHORT)) { 193 if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
194
194 /* Indent the object according to the level */ 195 /* Indent the object according to the level */
195 196
196 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " "); 197 acpi_os_printf("%2d%*s", (u32) level - 1, (int)level * 2, " ");
@@ -203,6 +204,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
203 } 204 }
204 205
205 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) { 206 if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {
207 this_node->name.integer =
208 acpi_ut_repair_name(this_node->name.integer);
209
206 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X", 210 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
207 this_node->name.integer)); 211 this_node->name.integer));
208 } 212 }
@@ -226,6 +230,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
226 case ACPI_DISPLAY_SUMMARY: 230 case ACPI_DISPLAY_SUMMARY:
227 231
228 if (!obj_desc) { 232 if (!obj_desc) {
233
229 /* No attached object, we are done */ 234 /* No attached object, we are done */
230 235
231 acpi_os_printf("\n"); 236 acpi_os_printf("\n");
@@ -419,6 +424,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
419 424
420 acpi_os_printf("O:%p", obj_desc); 425 acpi_os_printf("O:%p", obj_desc);
421 if (!obj_desc) { 426 if (!obj_desc) {
427
422 /* No attached object, we are done */ 428 /* No attached object, we are done */
423 429
424 acpi_os_printf("\n"); 430 acpi_os_printf("\n");
@@ -669,7 +675,7 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
669{ 675{
670 acpi_handle search_handle = search_base; 676 acpi_handle search_handle = search_base;
671 677
672 ACPI_FUNCTION_TRACE("ns_dump_tables"); 678 ACPI_FUNCTION_TRACE(ns_dump_tables);
673 679
674 if (!acpi_gbl_root_node) { 680 if (!acpi_gbl_root_node) {
675 /* 681 /*
@@ -682,6 +688,7 @@ void acpi_ns_dump_tables(acpi_handle search_base, u32 max_depth)
682 } 688 }
683 689
684 if (ACPI_NS_ALL == search_base) { 690 if (ACPI_NS_ALL == search_base) {
691
685 /* Entire namespace */ 692 /* Entire namespace */
686 693
687 search_handle = acpi_gbl_root_node; 694 search_handle = acpi_gbl_root_node;
diff --git a/drivers/acpi/namespace/nsdumpdv.c b/drivers/acpi/namespace/nsdumpdv.c
index aff899a935e3..c6bf5d30fca3 100644
--- a/drivers/acpi/namespace/nsdumpdv.c
+++ b/drivers/acpi/namespace/nsdumpdv.c
@@ -74,7 +74,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
74 acpi_status status; 74 acpi_status status;
75 u32 i; 75 u32 i;
76 76
77 ACPI_FUNCTION_NAME("ns_dump_one_device"); 77 ACPI_FUNCTION_NAME(ns_dump_one_device);
78 78
79 status = 79 status =
80 acpi_ns_dump_one_object(obj_handle, level, context, return_value); 80 acpi_ns_dump_one_object(obj_handle, level, context, return_value);
@@ -92,7 +92,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
92 info->hardware_id.value, 92 info->hardware_id.value,
93 ACPI_FORMAT_UINT64(info->address), 93 ACPI_FORMAT_UINT64(info->address),
94 info->current_status)); 94 info->current_status));
95 ACPI_MEM_FREE(info); 95 ACPI_FREE(info);
96 } 96 }
97 97
98 return (status); 98 return (status);
@@ -115,7 +115,7 @@ void acpi_ns_dump_root_devices(void)
115 acpi_handle sys_bus_handle; 115 acpi_handle sys_bus_handle;
116 acpi_status status; 116 acpi_status status;
117 117
118 ACPI_FUNCTION_NAME("ns_dump_root_devices"); 118 ACPI_FUNCTION_NAME(ns_dump_root_devices);
119 119
120 /* Only dump the table if tracing is enabled */ 120 /* Only dump the table if tracing is enabled */
121 121
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 19d7b94d40c3..4b0a4a8c9843 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -1,7 +1,6 @@
1/******************************************************************************* 1/*******************************************************************************
2 * 2 *
3 * Module Name: nseval - Object evaluation interfaces -- includes control 3 * Module Name: nseval - Object evaluation, includes control method execution
4 * method lookup and execution.
5 * 4 *
6 ******************************************************************************/ 5 ******************************************************************************/
7 6
@@ -50,196 +49,14 @@
50#define _COMPONENT ACPI_NAMESPACE 49#define _COMPONENT ACPI_NAMESPACE
51ACPI_MODULE_NAME("nseval") 50ACPI_MODULE_NAME("nseval")
52 51
53/* Local prototypes */
54static acpi_status
55acpi_ns_execute_control_method(struct acpi_parameter_info *info);
56
57static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info);
58
59/*******************************************************************************
60 *
61 * FUNCTION: acpi_ns_evaluate_relative
62 *
63 * PARAMETERS: Pathname - Name of method to execute, If NULL, the
64 * handle is the object to execute
65 * Info - Method info block, contains:
66 * return_object - Where to put method's return value (if
67 * any). If NULL, no value is returned.
68 * Params - List of parameters to pass to the method,
69 * terminated by NULL. Params itself may be
70 * NULL if no parameters are being passed.
71 *
72 * RETURN: Status
73 *
74 * DESCRIPTION: Evaluate the object or find and execute the requested method
75 *
76 * MUTEX: Locks Namespace
77 *
78 ******************************************************************************/
79
80acpi_status
81acpi_ns_evaluate_relative(char *pathname, struct acpi_parameter_info *info)
82{
83 acpi_status status;
84 struct acpi_namespace_node *node = NULL;
85 union acpi_generic_state *scope_info;
86 char *internal_path = NULL;
87
88 ACPI_FUNCTION_TRACE("ns_evaluate_relative");
89
90 /*
91 * Must have a valid object handle
92 */
93 if (!info || !info->node) {
94 return_ACPI_STATUS(AE_BAD_PARAMETER);
95 }
96
97 /* Build an internal name string for the method */
98
99 status = acpi_ns_internalize_name(pathname, &internal_path);
100 if (ACPI_FAILURE(status)) {
101 return_ACPI_STATUS(status);
102 }
103
104 scope_info = acpi_ut_create_generic_state();
105 if (!scope_info) {
106 goto cleanup1;
107 }
108
109 /* Get the prefix handle and Node */
110
111 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
112 if (ACPI_FAILURE(status)) {
113 goto cleanup;
114 }
115
116 info->node = acpi_ns_map_handle_to_node(info->node);
117 if (!info->node) {
118 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
119 status = AE_BAD_PARAMETER;
120 goto cleanup;
121 }
122
123 /* Lookup the name in the namespace */
124
125 scope_info->scope.node = info->node;
126 status = acpi_ns_lookup(scope_info, internal_path, ACPI_TYPE_ANY,
127 ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
128 &node);
129
130 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
131
132 if (ACPI_FAILURE(status)) {
133 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Object [%s] not found [%s]\n",
134 pathname, acpi_format_exception(status)));
135 goto cleanup;
136 }
137
138 /*
139 * Now that we have a handle to the object, we can attempt to evaluate it.
140 */
141 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
142 pathname, node, acpi_ns_get_attached_object(node)));
143
144 info->node = node;
145 status = acpi_ns_evaluate_by_handle(info);
146
147 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
148 "*** Completed eval of object %s ***\n", pathname));
149
150 cleanup:
151 acpi_ut_delete_generic_state(scope_info);
152
153 cleanup1:
154 ACPI_MEM_FREE(internal_path);
155 return_ACPI_STATUS(status);
156}
157
158/******************************************************************************* 52/*******************************************************************************
159 * 53 *
160 * FUNCTION: acpi_ns_evaluate_by_name 54 * FUNCTION: acpi_ns_evaluate
161 * 55 *
162 * PARAMETERS: Pathname - Fully qualified pathname to the object 56 * PARAMETERS: Info - Evaluation info block, contains:
163 * Info - Method info block, contains: 57 * prefix_node - Prefix or Method/Object Node to execute
164 * return_object - Where to put method's return value (if 58 * Pathname - Name of method to execute, If NULL, the
165 * any). If NULL, no value is returned. 59 * Node is the object to execute
166 * Params - List of parameters to pass to the method,
167 * terminated by NULL. Params itself may be
168 * NULL if no parameters are being passed.
169 *
170 * RETURN: Status
171 *
172 * DESCRIPTION: Evaluate the object or rind and execute the requested method
173 * passing the given parameters
174 *
175 * MUTEX: Locks Namespace
176 *
177 ******************************************************************************/
178
179acpi_status
180acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info)
181{
182 acpi_status status;
183 char *internal_path = NULL;
184
185 ACPI_FUNCTION_TRACE("ns_evaluate_by_name");
186
187 /* Build an internal name string for the method */
188
189 status = acpi_ns_internalize_name(pathname, &internal_path);
190 if (ACPI_FAILURE(status)) {
191 return_ACPI_STATUS(status);
192 }
193
194 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
195 if (ACPI_FAILURE(status)) {
196 goto cleanup;
197 }
198
199 /* Lookup the name in the namespace */
200
201 status = acpi_ns_lookup(NULL, internal_path, ACPI_TYPE_ANY,
202 ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL,
203 &info->node);
204
205 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
206
207 if (ACPI_FAILURE(status)) {
208 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
209 "Object at [%s] was not found, status=%.4X\n",
210 pathname, status));
211 goto cleanup;
212 }
213
214 /*
215 * Now that we have a handle to the object, we can attempt to evaluate it.
216 */
217 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n",
218 pathname, info->node,
219 acpi_ns_get_attached_object(info->node)));
220
221 status = acpi_ns_evaluate_by_handle(info);
222
223 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
224 "*** Completed eval of object %s ***\n", pathname));
225
226 cleanup:
227
228 /* Cleanup */
229
230 if (internal_path) {
231 ACPI_MEM_FREE(internal_path);
232 }
233
234 return_ACPI_STATUS(status);
235}
236
237/*******************************************************************************
238 *
239 * FUNCTION: acpi_ns_evaluate_by_handle
240 *
241 * PARAMETERS: Info - Method info block, contains:
242 * Node - Method/Object Node to execute
243 * Parameters - List of parameters to pass to the method, 60 * Parameters - List of parameters to pass to the method,
244 * terminated by NULL. Params itself may be 61 * terminated by NULL. Params itself may be
245 * NULL if no parameters are being passed. 62 * NULL if no parameters are being passed.
@@ -248,29 +65,21 @@ acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info)
248 * parameter_type - Type of Parameter list 65 * parameter_type - Type of Parameter list
249 * return_object - Where to put method's return value (if 66 * return_object - Where to put method's return value (if
250 * any). If NULL, no value is returned. 67 * any). If NULL, no value is returned.
68 * Flags - ACPI_IGNORE_RETURN_VALUE to delete return
251 * 69 *
252 * RETURN: Status 70 * RETURN: Status
253 * 71 *
254 * DESCRIPTION: Evaluate object or execute the requested method passing the 72 * DESCRIPTION: Execute a control method or return the current value of an
255 * given parameters 73 * ACPI namespace object.
256 * 74 *
257 * MUTEX: Locks Namespace 75 * MUTEX: Locks interpreter
258 * 76 *
259 ******************************************************************************/ 77 ******************************************************************************/
260 78acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
261acpi_status acpi_ns_evaluate_by_handle(struct acpi_parameter_info *info)
262{ 79{
263 acpi_status status; 80 acpi_status status;
264 81
265 ACPI_FUNCTION_TRACE("ns_evaluate_by_handle"); 82 ACPI_FUNCTION_TRACE(ns_evaluate);
266
267 /* Check if namespace has been initialized */
268
269 if (!acpi_gbl_root_node) {
270 return_ACPI_STATUS(AE_NO_NAMESPACE);
271 }
272
273 /* Parameter Validation */
274 83
275 if (!info) { 84 if (!info) {
276 return_ACPI_STATUS(AE_BAD_PARAMETER); 85 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -280,202 +89,120 @@ acpi_status acpi_ns_evaluate_by_handle(struct acpi_parameter_info *info)
280 89
281 info->return_object = NULL; 90 info->return_object = NULL;
282 91
283 /* Get the prefix handle and Node */ 92 /*
284 93 * Get the actual namespace node for the target object. Handles these cases:
285 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 94 *
95 * 1) Null node, Pathname (absolute path)
96 * 2) Node, Pathname (path relative to Node)
97 * 3) Node, Null Pathname
98 */
99 status = acpi_ns_get_node(info->prefix_node, info->pathname,
100 ACPI_NS_NO_UPSEARCH, &info->resolved_node);
286 if (ACPI_FAILURE(status)) { 101 if (ACPI_FAILURE(status)) {
287 return_ACPI_STATUS(status); 102 return_ACPI_STATUS(status);
288 } 103 }
289 104
290 info->node = acpi_ns_map_handle_to_node(info->node);
291 if (!info->node) {
292 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
293 return_ACPI_STATUS(AE_BAD_PARAMETER);
294 }
295
296 /* 105 /*
297 * For a method alias, we must grab the actual method node so that proper 106 * For a method alias, we must grab the actual method node so that proper
298 * scoping context will be established before execution. 107 * scoping context will be established before execution.
299 */ 108 */
300 if (acpi_ns_get_type(info->node) == ACPI_TYPE_LOCAL_METHOD_ALIAS) { 109 if (acpi_ns_get_type(info->resolved_node) ==
301 info->node = 110 ACPI_TYPE_LOCAL_METHOD_ALIAS) {
111 info->resolved_node =
302 ACPI_CAST_PTR(struct acpi_namespace_node, 112 ACPI_CAST_PTR(struct acpi_namespace_node,
303 info->node->object); 113 info->resolved_node->object);
304 } 114 }
305 115
116 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", info->pathname,
117 info->resolved_node,
118 acpi_ns_get_attached_object(info->resolved_node)));
119
306 /* 120 /*
307 * Two major cases here: 121 * Two major cases here:
308 * 1) The object is an actual control method -- execute it.
309 * 2) The object is not a method -- just return it's current value
310 * 122 *
311 * In both cases, the namespace is unlocked by the acpi_ns* procedure 123 * 1) The object is a control method -- execute it
124 * 2) The object is not a method -- just return it's current value
312 */ 125 */
313 if (acpi_ns_get_type(info->node) == ACPI_TYPE_METHOD) { 126 if (acpi_ns_get_type(info->resolved_node) == ACPI_TYPE_METHOD) {
314 /*
315 * Case 1) We have an actual control method to execute
316 */
317 status = acpi_ns_execute_control_method(info);
318 } else {
319 /* 127 /*
320 * Case 2) Object is NOT a method, just return its current value 128 * 1) Object is a control method - execute it
321 */ 129 */
322 status = acpi_ns_get_object_value(info);
323 }
324
325 /*
326 * Check if there is a return value on the stack that must be dealt with
327 */
328 if (status == AE_CTRL_RETURN_VALUE) {
329 /* Map AE_CTRL_RETURN_VALUE to AE_OK, we are done with it */
330
331 status = AE_OK;
332 }
333
334 /*
335 * Namespace was unlocked by the handling acpi_ns* function, so we
336 * just return
337 */
338 return_ACPI_STATUS(status);
339}
340
341/*******************************************************************************
342 *
343 * FUNCTION: acpi_ns_execute_control_method
344 *
345 * PARAMETERS: Info - Method info block, contains:
346 * Node - Method Node to execute
347 * obj_desc - Method object
348 * Parameters - List of parameters to pass to the method,
349 * terminated by NULL. Params itself may be
350 * NULL if no parameters are being passed.
351 * return_object - Where to put method's return value (if
352 * any). If NULL, no value is returned.
353 * parameter_type - Type of Parameter list
354 * return_object - Where to put method's return value (if
355 * any). If NULL, no value is returned.
356 *
357 * RETURN: Status
358 *
359 * DESCRIPTION: Execute the requested method passing the given parameters
360 *
361 * MUTEX: Assumes namespace is locked
362 *
363 ******************************************************************************/
364
365static acpi_status
366acpi_ns_execute_control_method(struct acpi_parameter_info *info)
367{
368 acpi_status status;
369
370 ACPI_FUNCTION_TRACE("ns_execute_control_method");
371
372 /* Verify that there is a method associated with this object */
373
374 info->obj_desc = acpi_ns_get_attached_object(info->node);
375 if (!info->obj_desc) {
376 ACPI_ERROR((AE_INFO, "No attached method object"));
377 130
378 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 131 /* Verify that there is a method object associated with this node */
379 return_ACPI_STATUS(AE_NULL_OBJECT);
380 }
381
382 ACPI_DUMP_PATHNAME(info->node, "Execute Method:",
383 ACPI_LV_INFO, _COMPONENT);
384
385 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
386 info->obj_desc->method.aml_start + 1,
387 info->obj_desc->method.aml_length - 1));
388
389 /*
390 * Unlock the namespace before execution. This allows namespace access
391 * via the external Acpi* interfaces while a method is being executed.
392 * However, any namespace deletion must acquire both the namespace and
393 * interpreter locks to ensure that no thread is using the portion of the
394 * namespace that is being deleted.
395 */
396 status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
397 if (ACPI_FAILURE(status)) {
398 return_ACPI_STATUS(status);
399 }
400 132
401 /* 133 info->obj_desc =
402 * Execute the method via the interpreter. The interpreter is locked 134 acpi_ns_get_attached_object(info->resolved_node);
403 * here before calling into the AML parser 135 if (!info->obj_desc) {
404 */ 136 ACPI_ERROR((AE_INFO,
405 status = acpi_ex_enter_interpreter(); 137 "Control method has no attached sub-object"));
406 if (ACPI_FAILURE(status)) { 138 return_ACPI_STATUS(AE_NULL_OBJECT);
407 return_ACPI_STATUS(status); 139 }
408 }
409 140
410 status = acpi_ps_execute_method(info); 141 ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:",
411 acpi_ex_exit_interpreter(); 142 ACPI_LV_INFO, _COMPONENT);
412 143
413 return_ACPI_STATUS(status); 144 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
414} 145 "Method at AML address %p Length %X\n",
146 info->obj_desc->method.aml_start + 1,
147 info->obj_desc->method.aml_length - 1));
415 148
416/******************************************************************************* 149 /*
417 * 150 * Any namespace deletion must acquire both the namespace and
418 * FUNCTION: acpi_ns_get_object_value 151 * interpreter locks to ensure that no thread is using the portion of
419 * 152 * the namespace that is being deleted.
420 * PARAMETERS: Info - Method info block, contains: 153 *
421 * Node - Object's NS node 154 * Execute the method via the interpreter. The interpreter is locked
422 * return_object - Where to put object value (if 155 * here before calling into the AML parser
423 * any). If NULL, no value is returned. 156 */
424 * 157 status = acpi_ex_enter_interpreter();
425 * RETURN: Status 158 if (ACPI_FAILURE(status)) {
426 * 159 return_ACPI_STATUS(status);
427 * DESCRIPTION: Return the current value of the object 160 }
428 *
429 * MUTEX: Assumes namespace is locked, leaves namespace unlocked
430 *
431 ******************************************************************************/
432 161
433static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info) 162 status = acpi_ps_execute_method(info);
434{ 163 acpi_ex_exit_interpreter();
435 acpi_status status = AE_OK; 164 } else {
436 struct acpi_namespace_node *resolved_node = info->node; 165 /*
166 * 2) Object is not a method, return its current value
167 */
437 168
438 ACPI_FUNCTION_TRACE("ns_get_object_value"); 169 /*
170 * Objects require additional resolution steps (e.g., the Node may be
171 * a field that must be read, etc.) -- we can't just grab the object
172 * out of the node.
173 *
174 * Use resolve_node_to_value() to get the associated value.
175 *
176 * NOTE: we can get away with passing in NULL for a walk state because
177 * resolved_node is guaranteed to not be a reference to either a method
178 * local or a method argument (because this interface is never called
179 * from a running method.)
180 *
181 * Even though we do not directly invoke the interpreter for object
182 * resolution, we must lock it because we could access an opregion.
183 * The opregion access code assumes that the interpreter is locked.
184 */
185 status = acpi_ex_enter_interpreter();
186 if (ACPI_FAILURE(status)) {
187 return_ACPI_STATUS(status);
188 }
439 189
440 /* 190 /* Function has a strange interface */
441 * Objects require additional resolution steps (e.g., the Node may be a
442 * field that must be read, etc.) -- we can't just grab the object out of
443 * the node.
444 */
445 191
446 /* 192 status =
447 * Use resolve_node_to_value() to get the associated value. This call always 193 acpi_ex_resolve_node_to_value(&info->resolved_node, NULL);
448 * deletes obj_desc (allocated above). 194 acpi_ex_exit_interpreter();
449 *
450 * NOTE: we can get away with passing in NULL for a walk state because
451 * obj_desc is guaranteed to not be a reference to either a method local or
452 * a method argument (because this interface can only be called from the
453 * acpi_evaluate external interface, never called from a running method.)
454 *
455 * Even though we do not directly invoke the interpreter for this, we must
456 * enter it because we could access an opregion. The opregion access code
457 * assumes that the interpreter is locked.
458 *
459 * We must release the namespace lock before entering the intepreter.
460 */
461 status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
462 if (ACPI_FAILURE(status)) {
463 return_ACPI_STATUS(status);
464 }
465 195
466 status = acpi_ex_enter_interpreter();
467 if (ACPI_SUCCESS(status)) {
468 status = acpi_ex_resolve_node_to_value(&resolved_node, NULL);
469 /* 196 /*
470 * If acpi_ex_resolve_node_to_value() succeeded, the return value was placed 197 * If acpi_ex_resolve_node_to_value() succeeded, the return value was placed
471 * in resolved_node. 198 * in resolved_node.
472 */ 199 */
473 acpi_ex_exit_interpreter();
474
475 if (ACPI_SUCCESS(status)) { 200 if (ACPI_SUCCESS(status)) {
476 status = AE_CTRL_RETURN_VALUE; 201 status = AE_CTRL_RETURN_VALUE;
477 info->return_object = ACPI_CAST_PTR 202 info->return_object =
478 (union acpi_operand_object, resolved_node); 203 ACPI_CAST_PTR(union acpi_operand_object,
204 info->resolved_node);
205
479 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 206 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
480 "Returning object %p [%s]\n", 207 "Returning object %p [%s]\n",
481 info->return_object, 208 info->return_object,
@@ -484,7 +211,30 @@ static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info)
484 } 211 }
485 } 212 }
486 213
487 /* Namespace is unlocked */ 214 /*
215 * Check if there is a return value that must be dealt with
216 */
217 if (status == AE_CTRL_RETURN_VALUE) {
218
219 /* If caller does not want the return value, delete it */
488 220
221 if (info->flags & ACPI_IGNORE_RETURN_VALUE) {
222 acpi_ut_remove_reference(info->return_object);
223 info->return_object = NULL;
224 }
225
226 /* Map AE_CTRL_RETURN_VALUE to AE_OK, we are done with it */
227
228 status = AE_OK;
229 }
230
231 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
232 "*** Completed evaluation of object %s ***\n",
233 info->pathname));
234
235 /*
236 * Namespace was unlocked by the handling acpi_ns* function, so we
237 * just return
238 */
489 return_ACPI_STATUS(status); 239 return_ACPI_STATUS(status);
490} 240}
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 9f929e479fd8..aec8488c0019 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -58,6 +58,10 @@ static acpi_status
58acpi_ns_init_one_device(acpi_handle obj_handle, 58acpi_ns_init_one_device(acpi_handle obj_handle,
59 u32 nesting_level, void *context, void **return_value); 59 u32 nesting_level, void *context, void **return_value);
60 60
61static acpi_status
62acpi_ns_find_ini_methods(acpi_handle obj_handle,
63 u32 nesting_level, void *context, void **return_value);
64
61/******************************************************************************* 65/*******************************************************************************
62 * 66 *
63 * FUNCTION: acpi_ns_initialize_objects 67 * FUNCTION: acpi_ns_initialize_objects
@@ -76,7 +80,7 @@ acpi_status acpi_ns_initialize_objects(void)
76 acpi_status status; 80 acpi_status status;
77 struct acpi_init_walk_info info; 81 struct acpi_init_walk_info info;
78 82
79 ACPI_FUNCTION_TRACE("ns_initialize_objects"); 83 ACPI_FUNCTION_TRACE(ns_initialize_objects);
80 84
81 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, 85 ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
82 "**** Starting initialization of namespace objects ****\n")); 86 "**** Starting initialization of namespace objects ****\n"));
@@ -93,7 +97,7 @@ acpi_status acpi_ns_initialize_objects(void)
93 ACPI_UINT32_MAX, acpi_ns_init_one_object, 97 ACPI_UINT32_MAX, acpi_ns_init_one_object,
94 &info, NULL); 98 &info, NULL);
95 if (ACPI_FAILURE(status)) { 99 if (ACPI_FAILURE(status)) {
96 ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace")); 100 ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
97 } 101 }
98 102
99 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, 103 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
@@ -133,7 +137,7 @@ acpi_status acpi_ns_initialize_devices(void)
133 acpi_status status; 137 acpi_status status;
134 struct acpi_device_walk_info info; 138 struct acpi_device_walk_info info;
135 139
136 ACPI_FUNCTION_TRACE("ns_initialize_devices"); 140 ACPI_FUNCTION_TRACE(ns_initialize_devices);
137 141
138 /* Init counters */ 142 /* Init counters */
139 143
@@ -142,30 +146,46 @@ acpi_status acpi_ns_initialize_devices(void)
142 info.num_INI = 0; 146 info.num_INI = 0;
143 147
144 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, 148 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
145 "Executing all Device _STA and_INI methods:")); 149 "Initializing Device/Processor/Thermal objects by executing _INI methods:"));
150
151 /* Tree analysis: find all subtrees that contain _INI methods */
146 152
147 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); 153 status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
154 ACPI_UINT32_MAX, FALSE,
155 acpi_ns_find_ini_methods, &info, NULL);
148 if (ACPI_FAILURE(status)) { 156 if (ACPI_FAILURE(status)) {
149 return_ACPI_STATUS(status); 157 goto error_exit;
150 } 158 }
151 159
152 /* Walk namespace for all objects */ 160 /* Allocate the evaluation information block */
161
162 info.evaluate_info =
163 ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
164 if (!info.evaluate_info) {
165 status = AE_NO_MEMORY;
166 goto error_exit;
167 }
168
169 /* Walk namespace to execute all _INIs on present devices */
153 170
154 status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 171 status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
155 ACPI_UINT32_MAX, TRUE, 172 ACPI_UINT32_MAX, FALSE,
156 acpi_ns_init_one_device, &info, NULL); 173 acpi_ns_init_one_device, &info, NULL);
157 174
158 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 175 ACPI_FREE(info.evaluate_info);
159
160 if (ACPI_FAILURE(status)) { 176 if (ACPI_FAILURE(status)) {
161 ACPI_EXCEPTION((AE_INFO, status, "During walk_namespace")); 177 goto error_exit;
162 } 178 }
163 179
164 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, 180 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
165 "\n%hd Devices found - executed %hd _STA, %hd _INI methods\n", 181 "\nExecuted %hd _INI methods requiring %hd _STA executions (examined %hd objects)\n",
166 info.device_count, info.num_STA, info.num_INI)); 182 info.num_INI, info.num_STA, info.device_count));
167 183
168 return_ACPI_STATUS(status); 184 return_ACPI_STATUS(status);
185
186 error_exit:
187 ACPI_EXCEPTION((AE_INFO, status, "During device initialization"));
188 return_ACPI_STATUS(status);
169} 189}
170 190
171/******************************************************************************* 191/*******************************************************************************
@@ -200,7 +220,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
200 (struct acpi_namespace_node *)obj_handle; 220 (struct acpi_namespace_node *)obj_handle;
201 union acpi_operand_object *obj_desc; 221 union acpi_operand_object *obj_desc;
202 222
203 ACPI_FUNCTION_NAME("ns_init_one_object"); 223 ACPI_FUNCTION_NAME(ns_init_one_object);
204 224
205 info->object_count++; 225 info->object_count++;
206 226
@@ -311,6 +331,72 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
311 331
312/******************************************************************************* 332/*******************************************************************************
313 * 333 *
334 * FUNCTION: acpi_ns_find_ini_methods
335 *
336 * PARAMETERS: acpi_walk_callback
337 *
338 * RETURN: acpi_status
339 *
340 * DESCRIPTION: Called during namespace walk. Finds objects named _INI under
341 * device/processor/thermal objects, and marks the entire subtree
342 * with a SUBTREE_HAS_INI flag. This flag is used during the
343 * subsequent device initialization walk to avoid entire subtrees
344 * that do not contain an _INI.
345 *
346 ******************************************************************************/
347
348static acpi_status
349acpi_ns_find_ini_methods(acpi_handle obj_handle,
350 u32 nesting_level, void *context, void **return_value)
351{
352 struct acpi_device_walk_info *info =
353 ACPI_CAST_PTR(struct acpi_device_walk_info, context);
354 struct acpi_namespace_node *node;
355 struct acpi_namespace_node *parent_node;
356
357 /* Keep count of device/processor/thermal objects */
358
359 node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
360 if ((node->type == ACPI_TYPE_DEVICE) ||
361 (node->type == ACPI_TYPE_PROCESSOR) ||
362 (node->type == ACPI_TYPE_THERMAL)) {
363 info->device_count++;
364 return (AE_OK);
365 }
366
367 /* We are only looking for methods named _INI */
368
369 if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) {
370 return (AE_OK);
371 }
372
373 /*
374 * The only _INI methods that we care about are those that are
375 * present under Device, Processor, and Thermal objects.
376 */
377 parent_node = acpi_ns_get_parent_node(node);
378 switch (parent_node->type) {
379 case ACPI_TYPE_DEVICE:
380 case ACPI_TYPE_PROCESSOR:
381 case ACPI_TYPE_THERMAL:
382
383 /* Mark parent and bubble up the INI present flag to the root */
384
385 while (parent_node) {
386 parent_node->flags |= ANOBJ_SUBTREE_HAS_INI;
387 parent_node = acpi_ns_get_parent_node(parent_node);
388 }
389 break;
390
391 default:
392 break;
393 }
394
395 return (AE_OK);
396}
397
398/*******************************************************************************
399 *
314 * FUNCTION: acpi_ns_init_one_device 400 * FUNCTION: acpi_ns_init_one_device
315 * 401 *
316 * PARAMETERS: acpi_walk_callback 402 * PARAMETERS: acpi_walk_callback
@@ -327,119 +413,165 @@ static acpi_status
327acpi_ns_init_one_device(acpi_handle obj_handle, 413acpi_ns_init_one_device(acpi_handle obj_handle,
328 u32 nesting_level, void *context, void **return_value) 414 u32 nesting_level, void *context, void **return_value)
329{ 415{
330 struct acpi_device_walk_info *info = 416 struct acpi_device_walk_info *walk_info =
331 (struct acpi_device_walk_info *)context; 417 ACPI_CAST_PTR(struct acpi_device_walk_info, context);
332 struct acpi_parameter_info pinfo; 418 struct acpi_evaluate_info *info = walk_info->evaluate_info;
333 u32 flags; 419 u32 flags;
334 acpi_status status; 420 acpi_status status;
335 struct acpi_namespace_node *ini_node;
336 struct acpi_namespace_node *device_node; 421 struct acpi_namespace_node *device_node;
337 422
338 ACPI_FUNCTION_TRACE("ns_init_one_device"); 423 ACPI_FUNCTION_TRACE(ns_init_one_device);
339 424
340 device_node = acpi_ns_map_handle_to_node(obj_handle); 425 /* We are interested in Devices, Processors and thermal_zones only */
341 if (!device_node) {
342 return_ACPI_STATUS(AE_BAD_PARAMETER);
343 }
344 426
345 /* 427 device_node = ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
346 * We will run _STA/_INI on Devices, Processors and thermal_zones only
347 */
348 if ((device_node->type != ACPI_TYPE_DEVICE) && 428 if ((device_node->type != ACPI_TYPE_DEVICE) &&
349 (device_node->type != ACPI_TYPE_PROCESSOR) && 429 (device_node->type != ACPI_TYPE_PROCESSOR) &&
350 (device_node->type != ACPI_TYPE_THERMAL)) { 430 (device_node->type != ACPI_TYPE_THERMAL)) {
351 return_ACPI_STATUS(AE_OK); 431 return_ACPI_STATUS(AE_OK);
352 } 432 }
353 433
354 if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
355 (!(acpi_dbg_level & ACPI_LV_INFO))) {
356 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
357 }
358
359 info->device_count++;
360
361 /* 434 /*
362 * Check if the _INI method exists for this device - 435 * Because of an earlier namespace analysis, all subtrees that contain an
363 * if _INI does not exist, there is no need to run _STA 436 * _INI method are tagged.
364 * No _INI means device requires no initialization 437 *
438 * If this device subtree does not contain any _INI methods, we
439 * can exit now and stop traversing this entire subtree.
365 */ 440 */
366 status = acpi_ns_search_node(*ACPI_CAST_PTR(u32, METHOD_NAME__INI), 441 if (!(device_node->flags & ANOBJ_SUBTREE_HAS_INI)) {
367 device_node, ACPI_TYPE_METHOD, &ini_node); 442 return_ACPI_STATUS(AE_CTRL_DEPTH);
368 if (ACPI_FAILURE(status)) {
369 /* No _INI method found - move on to next device */
370
371 return_ACPI_STATUS(AE_OK);
372 } 443 }
373 444
374 /* 445 /*
375 * Run _STA to determine if we can run _INI on the device - 446 * Run _STA to determine if this device is present and functioning. We
376 * the device must be present before _INI can be run. 447 * must know this information for two important reasons (from ACPI spec):
377 * However, _STA is not required - assume device present if no _STA 448 *
449 * 1) We can only run _INI if the device is present.
450 * 2) We must abort the device tree walk on this subtree if the device is
451 * not present and is not functional (we will not examine the children)
452 *
453 * The _STA method is not required to be present under the device, we
454 * assume the device is present if _STA does not exist.
378 */ 455 */
379 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD, 456 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
380 device_node, 457 (ACPI_TYPE_METHOD, device_node, METHOD_NAME__STA));
381 METHOD_NAME__STA));
382
383 pinfo.node = device_node;
384 pinfo.parameters = NULL;
385 pinfo.parameter_type = ACPI_PARAM_ARGS;
386 458
387 status = acpi_ut_execute_STA(pinfo.node, &flags); 459 status = acpi_ut_execute_STA(device_node, &flags);
388 if (ACPI_FAILURE(status)) { 460 if (ACPI_FAILURE(status)) {
461
389 /* Ignore error and move on to next device */ 462 /* Ignore error and move on to next device */
390 463
391 return_ACPI_STATUS(AE_OK); 464 return_ACPI_STATUS(AE_OK);
392 } 465 }
393 466
467 /*
468 * Flags == -1 means that _STA was not found. In this case, we assume that
469 * the device is both present and functional.
470 *
471 * From the ACPI spec, description of _STA:
472 *
473 * "If a device object (including the processor object) does not have an
474 * _STA object, then OSPM assumes that all of the above bits are set (in
475 * other words, the device is present, ..., and functioning)"
476 */
394 if (flags != ACPI_UINT32_MAX) { 477 if (flags != ACPI_UINT32_MAX) {
395 info->num_STA++; 478 walk_info->num_STA++;
396 } 479 }
397 480
481 /*
482 * Examine the PRESENT and FUNCTIONING status bits
483 *
484 * Note: ACPI spec does not seem to specify behavior for the present but
485 * not functioning case, so we assume functioning if present.
486 */
398 if (!(flags & ACPI_STA_DEVICE_PRESENT)) { 487 if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
399 /* Don't look at children of a not present device */
400 488
401 return_ACPI_STATUS(AE_CTRL_DEPTH); 489 /* Device is not present, we must examine the Functioning bit */
490
491 if (flags & ACPI_STA_DEVICE_FUNCTIONING) {
492 /*
493 * Device is not present but is "functioning". In this case,
494 * we will not run _INI, but we continue to examine the children
495 * of this device.
496 *
497 * From the ACPI spec, description of _STA: (Note - no mention
498 * of whether to run _INI or not on the device in question)
499 *
500 * "_STA may return bit 0 clear (not present) with bit 3 set
501 * (device is functional). This case is used to indicate a valid
502 * device for which no device driver should be loaded (for example,
503 * a bridge device.) Children of this device may be present and
504 * valid. OSPM should continue enumeration below a device whose
505 * _STA returns this bit combination"
506 */
507 return_ACPI_STATUS(AE_OK);
508 } else {
509 /*
510 * Device is not present and is not functioning. We must abort the
511 * walk of this subtree immediately -- don't look at the children
512 * of such a device.
513 *
514 * From the ACPI spec, description of _INI:
515 *
516 * "If the _STA method indicates that the device is not present,
517 * OSPM will not run the _INI and will not examine the children
518 * of the device for _INI methods"
519 */
520 return_ACPI_STATUS(AE_CTRL_DEPTH);
521 }
402 } 522 }
403 523
404 /* 524 /*
405 * The device is present and _INI exists. Run the _INI method. 525 * The device is present or is assumed present if no _STA exists.
406 * (We already have the _INI node from above) 526 * Run the _INI if it exists (not required to exist)
527 *
528 * Note: We know there is an _INI within this subtree, but it may not be
529 * under this particular device, it may be lower in the branch.
407 */ 530 */
408 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD, 531 ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname
409 pinfo.node, 532 (ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI));
410 METHOD_NAME__INI)); 533
534 info->prefix_node = device_node;
535 info->pathname = METHOD_NAME__INI;
536 info->parameters = NULL;
537 info->parameter_type = ACPI_PARAM_ARGS;
538 info->flags = ACPI_IGNORE_RETURN_VALUE;
539
540 status = acpi_ns_evaluate(info);
541 if (ACPI_SUCCESS(status)) {
542 walk_info->num_INI++;
543
544 if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) &&
545 (!(acpi_dbg_level & ACPI_LV_INFO))) {
546 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "."));
547 }
548 }
549#ifdef ACPI_DEBUG_OUTPUT
550 else if (status != AE_NOT_FOUND) {
411 551
412 pinfo.node = ini_node;
413 status = acpi_ns_evaluate_by_handle(&pinfo);
414 if (ACPI_FAILURE(status)) {
415 /* Ignore error and move on to next device */ 552 /* Ignore error and move on to next device */
416 553
417#ifdef ACPI_DEBUG_OUTPUT 554 char *scope_name =
418 char *scope_name = acpi_ns_get_external_pathname(ini_node); 555 acpi_ns_get_external_pathname(info->resolved_node);
419
420 ACPI_WARNING((AE_INFO, "%s._INI failed: %s",
421 scope_name, acpi_format_exception(status)));
422 556
423 ACPI_MEM_FREE(scope_name); 557 ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution",
558 scope_name));
559 ACPI_FREE(scope_name);
560 }
424#endif 561#endif
425 } else {
426 /* Delete any return object (especially if implicit_return is enabled) */
427 562
428 if (pinfo.return_object) { 563 /* Ignore errors from above */
429 acpi_ut_remove_reference(pinfo.return_object);
430 }
431 564
432 /* Count of successful INIs */ 565 status = AE_OK;
433
434 info->num_INI++;
435 }
436 566
567 /*
568 * The _INI method has been run if present; call the Global Initialization
569 * Handler for this device.
570 */
437 if (acpi_gbl_init_handler) { 571 if (acpi_gbl_init_handler) {
438 /* External initialization handler is present, call it */
439
440 status = 572 status =
441 acpi_gbl_init_handler(pinfo.node, ACPI_INIT_DEVICE_INI); 573 acpi_gbl_init_handler(device_node, ACPI_INIT_DEVICE_INI);
442 } 574 }
443 575
444 return_ACPI_STATUS(AE_OK); 576 return_ACPI_STATUS(status);
445} 577}
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 4e0b0524c188..fe75d888e183 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -77,13 +77,14 @@ acpi_ns_load_table(struct acpi_table_desc *table_desc,
77{ 77{
78 acpi_status status; 78 acpi_status status;
79 79
80 ACPI_FUNCTION_TRACE("ns_load_table"); 80 ACPI_FUNCTION_TRACE(ns_load_table);
81 81
82 /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */ 82 /* Check if table contains valid AML (must be DSDT, PSDT, SSDT, etc.) */
83 83
84 if (! 84 if (!
85 (acpi_gbl_table_data[table_desc->type]. 85 (acpi_gbl_table_data[table_desc->type].
86 flags & ACPI_TABLE_EXECUTABLE)) { 86 flags & ACPI_TABLE_EXECUTABLE)) {
87
87 /* Just ignore this table */ 88 /* Just ignore this table */
88 89
89 return_ACPI_STATUS(AE_OK); 90 return_ACPI_STATUS(AE_OK);
@@ -168,7 +169,7 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
168 acpi_status status; 169 acpi_status status;
169 struct acpi_table_desc *table_desc; 170 struct acpi_table_desc *table_desc;
170 171
171 ACPI_FUNCTION_TRACE("ns_load_table_by_type"); 172 ACPI_FUNCTION_TRACE(ns_load_table_by_type);
172 173
173 status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES); 174 status = acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
174 if (ACPI_FAILURE(status)) { 175 if (ACPI_FAILURE(status)) {
@@ -180,11 +181,11 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
180 * DSDT (one), SSDT/PSDT (multiple) 181 * DSDT (one), SSDT/PSDT (multiple)
181 */ 182 */
182 switch (table_type) { 183 switch (table_type) {
183 case ACPI_TABLE_DSDT: 184 case ACPI_TABLE_ID_DSDT:
184 185
185 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace load: DSDT\n")); 186 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Namespace load: DSDT\n"));
186 187
187 table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next; 188 table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_DSDT].next;
188 189
189 /* If table already loaded into namespace, just return */ 190 /* If table already loaded into namespace, just return */
190 191
@@ -200,8 +201,8 @@ static acpi_status acpi_ns_load_table_by_type(acpi_table_type table_type)
200 } 201 }
201 break; 202 break;
202 203
203 case ACPI_TABLE_SSDT: 204 case ACPI_TABLE_ID_SSDT:
204 case ACPI_TABLE_PSDT: 205 case ACPI_TABLE_ID_PSDT:
205 206
206 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 207 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
207 "Namespace load: %d SSDT or PSDTs\n", 208 "Namespace load: %d SSDT or PSDTs\n",
@@ -258,7 +259,7 @@ acpi_status acpi_ns_load_namespace(void)
258{ 259{
259 acpi_status status; 260 acpi_status status;
260 261
261 ACPI_FUNCTION_TRACE("acpi_load_name_space"); 262 ACPI_FUNCTION_TRACE(acpi_load_name_space);
262 263
263 /* There must be at least a DSDT installed */ 264 /* There must be at least a DSDT installed */
264 265
@@ -271,15 +272,15 @@ acpi_status acpi_ns_load_namespace(void)
271 * Load the namespace. The DSDT is required, 272 * Load the namespace. The DSDT is required,
272 * but the SSDT and PSDT tables are optional. 273 * but the SSDT and PSDT tables are optional.
273 */ 274 */
274 status = acpi_ns_load_table_by_type(ACPI_TABLE_DSDT); 275 status = acpi_ns_load_table_by_type(ACPI_TABLE_ID_DSDT);
275 if (ACPI_FAILURE(status)) { 276 if (ACPI_FAILURE(status)) {
276 return_ACPI_STATUS(status); 277 return_ACPI_STATUS(status);
277 } 278 }
278 279
279 /* Ignore exceptions from these */ 280 /* Ignore exceptions from these */
280 281
281 (void)acpi_ns_load_table_by_type(ACPI_TABLE_SSDT); 282 (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_SSDT);
282 (void)acpi_ns_load_table_by_type(ACPI_TABLE_PSDT); 283 (void)acpi_ns_load_table_by_type(ACPI_TABLE_ID_PSDT);
283 284
284 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, 285 ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
285 "ACPI Namespace successfully loaded at root %p\n", 286 "ACPI Namespace successfully loaded at root %p\n",
@@ -314,7 +315,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
314 acpi_handle dummy; 315 acpi_handle dummy;
315 u32 level; 316 u32 level;
316 317
317 ACPI_FUNCTION_TRACE("ns_delete_subtree"); 318 ACPI_FUNCTION_TRACE(ns_delete_subtree);
318 319
319 parent_handle = start_handle; 320 parent_handle = start_handle;
320 child_handle = NULL; 321 child_handle = NULL;
@@ -325,6 +326,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
325 * to where we started. 326 * to where we started.
326 */ 327 */
327 while (level > 0) { 328 while (level > 0) {
329
328 /* Attempt to get the next object in this scope */ 330 /* Attempt to get the next object in this scope */
329 331
330 status = acpi_get_next_object(ACPI_TYPE_ANY, parent_handle, 332 status = acpi_get_next_object(ACPI_TYPE_ANY, parent_handle,
@@ -335,6 +337,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle)
335 /* Did we get a new object? */ 337 /* Did we get a new object? */
336 338
337 if (ACPI_SUCCESS(status)) { 339 if (ACPI_SUCCESS(status)) {
340
338 /* Check if this object has any children */ 341 /* Check if this object has any children */
339 342
340 if (ACPI_SUCCESS 343 if (ACPI_SUCCESS
@@ -392,7 +395,7 @@ acpi_status acpi_ns_unload_namespace(acpi_handle handle)
392{ 395{
393 acpi_status status; 396 acpi_status status;
394 397
395 ACPI_FUNCTION_TRACE("ns_unload_name_space"); 398 ACPI_FUNCTION_TRACE(ns_unload_name_space);
396 399
397 /* Parameter validation */ 400 /* Parameter validation */
398 401
diff --git a/drivers/acpi/namespace/nsnames.c b/drivers/acpi/namespace/nsnames.c
index 639f653b4b6b..97b8332c9746 100644
--- a/drivers/acpi/namespace/nsnames.c
+++ b/drivers/acpi/namespace/nsnames.c
@@ -48,11 +48,6 @@
48#define _COMPONENT ACPI_NAMESPACE 48#define _COMPONENT ACPI_NAMESPACE
49ACPI_MODULE_NAME("nsnames") 49ACPI_MODULE_NAME("nsnames")
50 50
51/* Local prototypes */
52static void
53acpi_ns_build_external_path(struct acpi_namespace_node *node,
54 acpi_size size, char *name_buffer);
55
56/******************************************************************************* 51/*******************************************************************************
57 * 52 *
58 * FUNCTION: acpi_ns_build_external_path 53 * FUNCTION: acpi_ns_build_external_path
@@ -67,8 +62,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
67 * DESCRIPTION: Generate a full pathaname 62 * DESCRIPTION: Generate a full pathaname
68 * 63 *
69 ******************************************************************************/ 64 ******************************************************************************/
70 65void
71static void
72acpi_ns_build_external_path(struct acpi_namespace_node *node, 66acpi_ns_build_external_path(struct acpi_namespace_node *node,
73 acpi_size size, char *name_buffer) 67 acpi_size size, char *name_buffer)
74{ 68{
@@ -138,7 +132,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
138 char *name_buffer; 132 char *name_buffer;
139 acpi_size size; 133 acpi_size size;
140 134
141 ACPI_FUNCTION_TRACE_PTR("ns_get_external_pathname", node); 135 ACPI_FUNCTION_TRACE_PTR(ns_get_external_pathname, node);
142 136
143 /* Calculate required buffer size based on depth below root */ 137 /* Calculate required buffer size based on depth below root */
144 138
@@ -146,7 +140,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
146 140
147 /* Allocate a buffer to be returned to caller */ 141 /* Allocate a buffer to be returned to caller */
148 142
149 name_buffer = ACPI_MEM_CALLOCATE(size); 143 name_buffer = ACPI_ALLOCATE_ZEROED(size);
150 if (!name_buffer) { 144 if (!name_buffer) {
151 ACPI_ERROR((AE_INFO, "Allocation failure")); 145 ACPI_ERROR((AE_INFO, "Allocation failure"));
152 return_PTR(NULL); 146 return_PTR(NULL);
@@ -219,7 +213,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
219 struct acpi_namespace_node *node; 213 struct acpi_namespace_node *node;
220 acpi_size required_size; 214 acpi_size required_size;
221 215
222 ACPI_FUNCTION_TRACE_PTR("ns_handle_to_pathname", target_handle); 216 ACPI_FUNCTION_TRACE_PTR(ns_handle_to_pathname, target_handle);
223 217
224 node = acpi_ns_map_handle_to_node(target_handle); 218 node = acpi_ns_map_handle_to_node(target_handle);
225 if (!node) { 219 if (!node) {
diff --git a/drivers/acpi/namespace/nsobject.c b/drivers/acpi/namespace/nsobject.c
index 10ae6292bca4..aabe8794b908 100644
--- a/drivers/acpi/namespace/nsobject.c
+++ b/drivers/acpi/namespace/nsobject.c
@@ -76,19 +76,21 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
76 union acpi_operand_object *last_obj_desc; 76 union acpi_operand_object *last_obj_desc;
77 acpi_object_type object_type = ACPI_TYPE_ANY; 77 acpi_object_type object_type = ACPI_TYPE_ANY;
78 78
79 ACPI_FUNCTION_TRACE("ns_attach_object"); 79 ACPI_FUNCTION_TRACE(ns_attach_object);
80 80
81 /* 81 /*
82 * Parameter validation 82 * Parameter validation
83 */ 83 */
84 if (!node) { 84 if (!node) {
85
85 /* Invalid handle */ 86 /* Invalid handle */
86 87
87 ACPI_ERROR((AE_INFO, "Null named_obj handle")); 88 ACPI_ERROR((AE_INFO, "Null NamedObj handle"));
88 return_ACPI_STATUS(AE_BAD_PARAMETER); 89 return_ACPI_STATUS(AE_BAD_PARAMETER);
89 } 90 }
90 91
91 if (!object && (ACPI_TYPE_ANY != type)) { 92 if (!object && (ACPI_TYPE_ANY != type)) {
93
92 /* Null object */ 94 /* Null object */
93 95
94 ACPI_ERROR((AE_INFO, 96 ACPI_ERROR((AE_INFO,
@@ -97,6 +99,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
97 } 99 }
98 100
99 if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) { 101 if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
102
100 /* Not a name handle */ 103 /* Not a name handle */
101 104
102 ACPI_ERROR((AE_INFO, "Invalid handle %p [%s]", 105 ACPI_ERROR((AE_INFO, "Invalid handle %p [%s]",
@@ -108,7 +111,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node,
108 111
109 if (node->object == object) { 112 if (node->object == object) {
110 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 113 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
111 "Obj %p already installed in name_obj %p\n", 114 "Obj %p already installed in NameObj %p\n",
112 object, node)); 115 object, node));
113 116
114 return_ACPI_STATUS(AE_OK); 117 return_ACPI_STATUS(AE_OK);
@@ -201,7 +204,7 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node)
201{ 204{
202 union acpi_operand_object *obj_desc; 205 union acpi_operand_object *obj_desc;
203 206
204 ACPI_FUNCTION_TRACE("ns_detach_object"); 207 ACPI_FUNCTION_TRACE(ns_detach_object);
205 208
206 obj_desc = node->object; 209 obj_desc = node->object;
207 210
@@ -252,7 +255,7 @@ union acpi_operand_object *acpi_ns_get_attached_object(struct
252 acpi_namespace_node 255 acpi_namespace_node
253 *node) 256 *node)
254{ 257{
255 ACPI_FUNCTION_TRACE_PTR("ns_get_attached_object", node); 258 ACPI_FUNCTION_TRACE_PTR(ns_get_attached_object, node);
256 259
257 if (!node) { 260 if (!node) {
258 ACPI_WARNING((AE_INFO, "Null Node ptr")); 261 ACPI_WARNING((AE_INFO, "Null Node ptr"));
@@ -287,7 +290,7 @@ union acpi_operand_object *acpi_ns_get_secondary_object(union
287 acpi_operand_object 290 acpi_operand_object
288 *obj_desc) 291 *obj_desc)
289{ 292{
290 ACPI_FUNCTION_TRACE_PTR("ns_get_secondary_object", obj_desc); 293 ACPI_FUNCTION_TRACE_PTR(ns_get_secondary_object, obj_desc);
291 294
292 if ((!obj_desc) || 295 if ((!obj_desc) ||
293 (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) || 296 (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_LOCAL_DATA) ||
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 232be4303653..155505a4ef69 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -62,13 +62,13 @@ ACPI_MODULE_NAME("nsparse")
62 * 62 *
63 ******************************************************************************/ 63 ******************************************************************************/
64acpi_status 64acpi_status
65acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc * table_desc) 65acpi_ns_one_complete_parse(u8 pass_number, struct acpi_table_desc *table_desc)
66{ 66{
67 union acpi_parse_object *parse_root; 67 union acpi_parse_object *parse_root;
68 acpi_status status; 68 acpi_status status;
69 struct acpi_walk_state *walk_state; 69 struct acpi_walk_state *walk_state;
70 70
71 ACPI_FUNCTION_TRACE("ns_one_complete_parse"); 71 ACPI_FUNCTION_TRACE(ns_one_complete_parse);
72 72
73 /* Create and init a Root Node */ 73 /* Create and init a Root Node */
74 74
@@ -124,7 +124,7 @@ acpi_ns_parse_table(struct acpi_table_desc *table_desc,
124{ 124{
125 acpi_status status; 125 acpi_status status;
126 126
127 ACPI_FUNCTION_TRACE("ns_parse_table"); 127 ACPI_FUNCTION_TRACE(ns_parse_table);
128 128
129 /* 129 /*
130 * AML Parse, pass 1 130 * AML Parse, pass 1
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index d64b78952f24..500e2bbcfaf7 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -56,16 +56,16 @@ acpi_ns_search_parent_tree(u32 target_name,
56 56
57/******************************************************************************* 57/*******************************************************************************
58 * 58 *
59 * FUNCTION: acpi_ns_search_node 59 * FUNCTION: acpi_ns_search_one_scope
60 * 60 *
61 * PARAMETERS: target_name - Ascii ACPI name to search for 61 * PARAMETERS: target_name - Ascii ACPI name to search for
62 * Node - Starting node where search will begin 62 * parent_node - Starting node where search will begin
63 * Type - Object type to match 63 * Type - Object type to match
64 * return_node - Where the matched Named obj is returned 64 * return_node - Where the matched Named obj is returned
65 * 65 *
66 * RETURN: Status 66 * RETURN: Status
67 * 67 *
68 * DESCRIPTION: Search a single level of the namespace. Performs a 68 * DESCRIPTION: Search a single level of the namespace. Performs a
69 * simple search of the specified level, and does not add 69 * simple search of the specified level, and does not add
70 * entries or search parents. 70 * entries or search parents.
71 * 71 *
@@ -75,35 +75,40 @@ acpi_ns_search_parent_tree(u32 target_name,
75 * 75 *
76 * All namespace searching is linear in this implementation, but 76 * All namespace searching is linear in this implementation, but
77 * could be easily modified to support any improved search 77 * could be easily modified to support any improved search
78 * algorithm. However, the linear search was chosen for simplicity 78 * algorithm. However, the linear search was chosen for simplicity
79 * and because the trees are small and the other interpreter 79 * and because the trees are small and the other interpreter
80 * execution overhead is relatively high. 80 * execution overhead is relatively high.
81 * 81 *
82 * Note: CPU execution analysis has shown that the AML interpreter spends
83 * a very small percentage of its time searching the namespace. Therefore,
84 * the linear search seems to be sufficient, as there would seem to be
85 * little value in improving the search.
86 *
82 ******************************************************************************/ 87 ******************************************************************************/
83 88
84acpi_status 89acpi_status
85acpi_ns_search_node(u32 target_name, 90acpi_ns_search_one_scope(u32 target_name,
86 struct acpi_namespace_node *node, 91 struct acpi_namespace_node *parent_node,
87 acpi_object_type type, 92 acpi_object_type type,
88 struct acpi_namespace_node **return_node) 93 struct acpi_namespace_node **return_node)
89{ 94{
90 struct acpi_namespace_node *next_node; 95 struct acpi_namespace_node *node;
91 96
92 ACPI_FUNCTION_TRACE("ns_search_node"); 97 ACPI_FUNCTION_TRACE(ns_search_one_scope);
93 98
94#ifdef ACPI_DEBUG_OUTPUT 99#ifdef ACPI_DEBUG_OUTPUT
95 if (ACPI_LV_NAMES & acpi_dbg_level) { 100 if (ACPI_LV_NAMES & acpi_dbg_level) {
96 char *scope_name; 101 char *scope_name;
97 102
98 scope_name = acpi_ns_get_external_pathname(node); 103 scope_name = acpi_ns_get_external_pathname(parent_node);
99 if (scope_name) { 104 if (scope_name) {
100 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 105 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
101 "Searching %s (%p) For [%4.4s] (%s)\n", 106 "Searching %s (%p) For [%4.4s] (%s)\n",
102 scope_name, node, ACPI_CAST_PTR(char, 107 scope_name, parent_node,
103 &target_name), 108 ACPI_CAST_PTR(char, &target_name),
104 acpi_ut_get_type_name(type))); 109 acpi_ut_get_type_name(type)));
105 110
106 ACPI_MEM_FREE(scope_name); 111 ACPI_FREE(scope_name);
107 } 112 }
108 } 113 }
109#endif 114#endif
@@ -112,32 +117,33 @@ acpi_ns_search_node(u32 target_name,
112 * Search for name at this namespace level, which is to say that we 117 * Search for name at this namespace level, which is to say that we
113 * must search for the name among the children of this object 118 * must search for the name among the children of this object
114 */ 119 */
115 next_node = node->child; 120 node = parent_node->child;
116 while (next_node) { 121 while (node) {
122
117 /* Check for match against the name */ 123 /* Check for match against the name */
118 124
119 if (next_node->name.integer == target_name) { 125 if (node->name.integer == target_name) {
126
120 /* Resolve a control method alias if any */ 127 /* Resolve a control method alias if any */
121 128
122 if (acpi_ns_get_type(next_node) == 129 if (acpi_ns_get_type(node) ==
123 ACPI_TYPE_LOCAL_METHOD_ALIAS) { 130 ACPI_TYPE_LOCAL_METHOD_ALIAS) {
124 next_node = 131 node =
125 ACPI_CAST_PTR(struct acpi_namespace_node, 132 ACPI_CAST_PTR(struct acpi_namespace_node,
126 next_node->object); 133 node->object);
127 } 134 }
128 135
129 /* 136 /* Found matching entry */
130 * Found matching entry. 137
131 */
132 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 138 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
133 "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n", 139 "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
134 ACPI_CAST_PTR(char, &target_name), 140 ACPI_CAST_PTR(char, &target_name),
135 acpi_ut_get_type_name(next_node-> 141 acpi_ut_get_type_name(node->type),
136 type), 142 node,
137 next_node, 143 acpi_ut_get_node_name(parent_node),
138 acpi_ut_get_node_name(node), node)); 144 parent_node));
139 145
140 *return_node = next_node; 146 *return_node = node;
141 return_ACPI_STATUS(AE_OK); 147 return_ACPI_STATUS(AE_OK);
142 } 148 }
143 149
@@ -145,7 +151,8 @@ acpi_ns_search_node(u32 target_name,
145 * The last entry in the list points back to the parent, 151 * The last entry in the list points back to the parent,
146 * so a flag is used to indicate the end-of-list 152 * so a flag is used to indicate the end-of-list
147 */ 153 */
148 if (next_node->flags & ANOBJ_END_OF_PEER_LIST) { 154 if (node->flags & ANOBJ_END_OF_PEER_LIST) {
155
149 /* Searched entire list, we are done */ 156 /* Searched entire list, we are done */
150 157
151 break; 158 break;
@@ -153,7 +160,7 @@ acpi_ns_search_node(u32 target_name,
153 160
154 /* Didn't match name, move on to the next peer object */ 161 /* Didn't match name, move on to the next peer object */
155 162
156 next_node = next_node->peer; 163 node = node->peer;
157 } 164 }
158 165
159 /* Searched entire namespace level, not found */ 166 /* Searched entire namespace level, not found */
@@ -162,7 +169,8 @@ acpi_ns_search_node(u32 target_name,
162 "Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n", 169 "Name [%4.4s] (%s) not found in search in scope [%4.4s] %p first child %p\n",
163 ACPI_CAST_PTR(char, &target_name), 170 ACPI_CAST_PTR(char, &target_name),
164 acpi_ut_get_type_name(type), 171 acpi_ut_get_type_name(type),
165 acpi_ut_get_node_name(node), node, node->child)); 172 acpi_ut_get_node_name(parent_node), parent_node,
173 parent_node->child));
166 174
167 return_ACPI_STATUS(AE_NOT_FOUND); 175 return_ACPI_STATUS(AE_NOT_FOUND);
168} 176}
@@ -179,14 +187,14 @@ acpi_ns_search_node(u32 target_name,
179 * RETURN: Status 187 * RETURN: Status
180 * 188 *
181 * DESCRIPTION: Called when a name has not been found in the current namespace 189 * DESCRIPTION: Called when a name has not been found in the current namespace
182 * level. Before adding it or giving up, ACPI scope rules require 190 * level. Before adding it or giving up, ACPI scope rules require
183 * searching enclosing scopes in cases identified by acpi_ns_local(). 191 * searching enclosing scopes in cases identified by acpi_ns_local().
184 * 192 *
185 * "A name is located by finding the matching name in the current 193 * "A name is located by finding the matching name in the current
186 * name space, and then in the parent name space. If the parent 194 * name space, and then in the parent name space. If the parent
187 * name space does not contain the name, the search continues 195 * name space does not contain the name, the search continues
188 * recursively until either the name is found or the name space 196 * recursively until either the name is found or the name space
189 * does not have a parent (the root of the name space). This 197 * does not have a parent (the root of the name space). This
190 * indicates that the name is not found" (From ACPI Specification, 198 * indicates that the name is not found" (From ACPI Specification,
191 * section 5.3) 199 * section 5.3)
192 * 200 *
@@ -201,7 +209,7 @@ acpi_ns_search_parent_tree(u32 target_name,
201 acpi_status status; 209 acpi_status status;
202 struct acpi_namespace_node *parent_node; 210 struct acpi_namespace_node *parent_node;
203 211
204 ACPI_FUNCTION_TRACE("ns_search_parent_tree"); 212 ACPI_FUNCTION_TRACE(ns_search_parent_tree);
205 213
206 parent_node = acpi_ns_get_parent_node(node); 214 parent_node = acpi_ns_get_parent_node(node);
207 215
@@ -235,20 +243,19 @@ acpi_ns_search_parent_tree(u32 target_name,
235 */ 243 */
236 while (parent_node) { 244 while (parent_node) {
237 /* 245 /*
238 * Search parent scope. Use TYPE_ANY because we don't care about the 246 * Search parent scope. Use TYPE_ANY because we don't care about the
239 * object type at this point, we only care about the existence of 247 * object type at this point, we only care about the existence of
240 * the actual name we are searching for. Typechecking comes later. 248 * the actual name we are searching for. Typechecking comes later.
241 */ 249 */
242 status = acpi_ns_search_node(target_name, parent_node, 250 status =
251 acpi_ns_search_one_scope(target_name, parent_node,
243 ACPI_TYPE_ANY, return_node); 252 ACPI_TYPE_ANY, return_node);
244 if (ACPI_SUCCESS(status)) { 253 if (ACPI_SUCCESS(status)) {
245 return_ACPI_STATUS(status); 254 return_ACPI_STATUS(status);
246 } 255 }
247 256
248 /* 257 /* Not found here, go up another level (until we reach the root) */
249 * Not found here, go up another level 258
250 * (until we reach the root)
251 */
252 parent_node = acpi_ns_get_parent_node(parent_node); 259 parent_node = acpi_ns_get_parent_node(parent_node);
253 } 260 }
254 261
@@ -273,7 +280,7 @@ acpi_ns_search_parent_tree(u32 target_name,
273 * RETURN: Status 280 * RETURN: Status
274 * 281 *
275 * DESCRIPTION: Search for a name segment in a single namespace level, 282 * DESCRIPTION: Search for a name segment in a single namespace level,
276 * optionally adding it if it is not found. If the passed 283 * optionally adding it if it is not found. If the passed
277 * Type is not Any and the type previously stored in the 284 * Type is not Any and the type previously stored in the
278 * entry was Any (i.e. unknown), update the stored type. 285 * entry was Any (i.e. unknown), update the stored type.
279 * 286 *
@@ -293,29 +300,46 @@ acpi_ns_search_and_enter(u32 target_name,
293 acpi_status status; 300 acpi_status status;
294 struct acpi_namespace_node *new_node; 301 struct acpi_namespace_node *new_node;
295 302
296 ACPI_FUNCTION_TRACE("ns_search_and_enter"); 303 ACPI_FUNCTION_TRACE(ns_search_and_enter);
297 304
298 /* Parameter validation */ 305 /* Parameter validation */
299 306
300 if (!node || !target_name || !return_node) { 307 if (!node || !target_name || !return_node) {
301 ACPI_ERROR((AE_INFO, 308 ACPI_ERROR((AE_INFO,
302 "Null param: Node %p Name %X return_node %p", 309 "Null parameter: Node %p Name %X ReturnNode %p",
303 node, target_name, return_node)); 310 node, target_name, return_node));
304 return_ACPI_STATUS(AE_BAD_PARAMETER); 311 return_ACPI_STATUS(AE_BAD_PARAMETER);
305 } 312 }
306 313
307 /* Name must consist of printable characters */ 314 /*
308 315 * Name must consist of valid ACPI characters. We will repair the name if
316 * necessary because we don't want to abort because of this, but we want
317 * all namespace names to be printable. A warning message is appropriate.
318 *
319 * This issue came up because there are in fact machines that exhibit
320 * this problem, and we want to be able to enable ACPI support for them,
321 * even though there are a few bad names.
322 */
309 if (!acpi_ut_valid_acpi_name(target_name)) { 323 if (!acpi_ut_valid_acpi_name(target_name)) {
310 ACPI_ERROR((AE_INFO, "Bad character in ACPI Name: %X", 324 target_name = acpi_ut_repair_name(target_name);
311 target_name)); 325
312 return_ACPI_STATUS(AE_BAD_CHARACTER); 326 /* Report warning only if in strict mode or debug mode */
327
328 if (!acpi_gbl_enable_interpreter_slack) {
329 ACPI_WARNING((AE_INFO,
330 "Found bad character(s) in name, repaired: [%4.4s]\n",
331 ACPI_CAST_PTR(char, &target_name)));
332 } else {
333 ACPI_DEBUG_PRINT((ACPI_DB_WARN,
334 "Found bad character(s) in name, repaired: [%4.4s]\n",
335 ACPI_CAST_PTR(char, &target_name)));
336 }
313 } 337 }
314 338
315 /* Try to find the name in the namespace level specified by the caller */ 339 /* Try to find the name in the namespace level specified by the caller */
316 340
317 *return_node = ACPI_ENTRY_NOT_FOUND; 341 *return_node = ACPI_ENTRY_NOT_FOUND;
318 status = acpi_ns_search_node(target_name, node, type, return_node); 342 status = acpi_ns_search_one_scope(target_name, node, type, return_node);
319 if (status != AE_NOT_FOUND) { 343 if (status != AE_NOT_FOUND) {
320 /* 344 /*
321 * If we found it AND the request specifies that a find is an error, 345 * If we found it AND the request specifies that a find is an error,
@@ -325,18 +349,16 @@ acpi_ns_search_and_enter(u32 target_name,
325 status = AE_ALREADY_EXISTS; 349 status = AE_ALREADY_EXISTS;
326 } 350 }
327 351
328 /* 352 /* Either found it or there was an error: finished either way */
329 * Either found it or there was an error 353
330 * -- finished either way
331 */
332 return_ACPI_STATUS(status); 354 return_ACPI_STATUS(status);
333 } 355 }
334 356
335 /* 357 /*
336 * The name was not found. If we are NOT performing the first pass 358 * The name was not found. If we are NOT performing the first pass
337 * (name entry) of loading the namespace, search the parent tree (all the 359 * (name entry) of loading the namespace, search the parent tree (all the
338 * way to the root if necessary.) We don't want to perform the parent 360 * way to the root if necessary.) We don't want to perform the parent
339 * search when the namespace is actually being loaded. We want to perform 361 * search when the namespace is actually being loaded. We want to perform
340 * the search when namespace references are being resolved (load pass 2) 362 * the search when namespace references are being resolved (load pass 2)
341 * and during the execution phase. 363 * and during the execution phase.
342 */ 364 */
@@ -354,9 +376,8 @@ acpi_ns_search_and_enter(u32 target_name,
354 } 376 }
355 } 377 }
356 378
357 /* 379 /* In execute mode, just search, never add names. Exit now */
358 * In execute mode, just search, never add names. Exit now. 380
359 */
360 if (interpreter_mode == ACPI_IMODE_EXECUTE) { 381 if (interpreter_mode == ACPI_IMODE_EXECUTE) {
361 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 382 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
362 "%4.4s Not found in %p [Not adding]\n", 383 "%4.4s Not found in %p [Not adding]\n",
@@ -371,11 +392,18 @@ acpi_ns_search_and_enter(u32 target_name,
371 if (!new_node) { 392 if (!new_node) {
372 return_ACPI_STATUS(AE_NO_MEMORY); 393 return_ACPI_STATUS(AE_NO_MEMORY);
373 } 394 }
395#ifdef ACPI_ASL_COMPILER
396 /*
397 * Node is an object defined by an External() statement
398 */
399 if (flags & ACPI_NS_EXTERNAL) {
400 new_node->flags |= ANOBJ_IS_EXTERNAL;
401 }
402#endif
374 403
375 /* Install the new object into the parent's list of children */ 404 /* Install the new object into the parent's list of children */
376 405
377 acpi_ns_install_node(walk_state, node, new_node, type); 406 acpi_ns_install_node(walk_state, node, new_node, type);
378 *return_node = new_node; 407 *return_node = new_node;
379
380 return_ACPI_STATUS(AE_OK); 408 return_ACPI_STATUS(AE_OK);
381} 409}
diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c
index 3e7cad549a38..aa4e799d9a8c 100644
--- a/drivers/acpi/namespace/nsutils.c
+++ b/drivers/acpi/namespace/nsutils.c
@@ -78,15 +78,17 @@ acpi_ns_report_error(char *module_name,
78 char *internal_name, acpi_status lookup_status) 78 char *internal_name, acpi_status lookup_status)
79{ 79{
80 acpi_status status; 80 acpi_status status;
81 u32 bad_name;
81 char *name = NULL; 82 char *name = NULL;
82 83
83 acpi_ut_report_error(module_name, line_number); 84 acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
84 85
85 if (lookup_status == AE_BAD_CHARACTER) { 86 if (lookup_status == AE_BAD_CHARACTER) {
87
86 /* There is a non-ascii character in the name */ 88 /* There is a non-ascii character in the name */
87 89
88 acpi_os_printf("[0x%4.4X] (NON-ASCII)", 90 ACPI_MOVE_32_TO_32(&bad_name, internal_name);
89 *(ACPI_CAST_PTR(u32, internal_name))); 91 acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name);
90 } else { 92 } else {
91 /* Convert path to external format */ 93 /* Convert path to external format */
92 94
@@ -102,7 +104,7 @@ acpi_ns_report_error(char *module_name,
102 } 104 }
103 105
104 if (name) { 106 if (name) {
105 ACPI_MEM_FREE(name); 107 ACPI_FREE(name);
106 } 108 }
107 } 109 }
108 110
@@ -137,11 +139,12 @@ acpi_ns_report_method_error(char *module_name,
137 acpi_status status; 139 acpi_status status;
138 struct acpi_namespace_node *node = prefix_node; 140 struct acpi_namespace_node *node = prefix_node;
139 141
140 acpi_ut_report_error(module_name, line_number); 142 acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
141 143
142 if (path) { 144 if (path) {
143 status = acpi_ns_get_node_by_path(path, prefix_node, 145 status =
144 ACPI_NS_NO_UPSEARCH, &node); 146 acpi_ns_get_node(prefix_node, path, ACPI_NS_NO_UPSEARCH,
147 &node);
145 if (ACPI_FAILURE(status)) { 148 if (ACPI_FAILURE(status)) {
146 acpi_os_printf("[Could not get node by pathname]"); 149 acpi_os_printf("[Could not get node by pathname]");
147 } 150 }
@@ -185,7 +188,7 @@ acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *message)
185 } 188 }
186 189
187 acpi_os_printf("[%s] (Node %p)", (char *)buffer.pointer, node); 190 acpi_os_printf("[%s] (Node %p)", (char *)buffer.pointer, node);
188 ACPI_MEM_FREE(buffer.pointer); 191 ACPI_FREE(buffer.pointer);
189 } 192 }
190} 193}
191 194
@@ -239,7 +242,7 @@ static u8 acpi_ns_valid_path_separator(char sep)
239 242
240acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node) 243acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
241{ 244{
242 ACPI_FUNCTION_TRACE("ns_get_type"); 245 ACPI_FUNCTION_TRACE(ns_get_type);
243 246
244 if (!node) { 247 if (!node) {
245 ACPI_WARNING((AE_INFO, "Null Node parameter")); 248 ACPI_WARNING((AE_INFO, "Null Node parameter"));
@@ -264,9 +267,10 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node)
264 267
265u32 acpi_ns_local(acpi_object_type type) 268u32 acpi_ns_local(acpi_object_type type)
266{ 269{
267 ACPI_FUNCTION_TRACE("ns_local"); 270 ACPI_FUNCTION_TRACE(ns_local);
268 271
269 if (!acpi_ut_valid_object_type(type)) { 272 if (!acpi_ut_valid_object_type(type)) {
273
270 /* Type code out of range */ 274 /* Type code out of range */
271 275
272 ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type)); 276 ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type));
@@ -363,7 +367,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
363 char *result = NULL; 367 char *result = NULL;
364 acpi_native_uint i; 368 acpi_native_uint i;
365 369
366 ACPI_FUNCTION_TRACE("ns_build_internal_name"); 370 ACPI_FUNCTION_TRACE(ns_build_internal_name);
367 371
368 /* Setup the correct prefixes, counts, and pointers */ 372 /* Setup the correct prefixes, counts, and pointers */
369 373
@@ -411,6 +415,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
411 for (i = 0; i < ACPI_NAME_SIZE; i++) { 415 for (i = 0; i < ACPI_NAME_SIZE; i++) {
412 if (acpi_ns_valid_path_separator(*external_name) || 416 if (acpi_ns_valid_path_separator(*external_name) ||
413 (*external_name == 0)) { 417 (*external_name == 0)) {
418
414 /* Pad the segment with underscore(s) if segment is short */ 419 /* Pad the segment with underscore(s) if segment is short */
415 420
416 result[i] = '_'; 421 result[i] = '_';
@@ -473,7 +478,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
473 struct acpi_namestring_info info; 478 struct acpi_namestring_info info;
474 acpi_status status; 479 acpi_status status;
475 480
476 ACPI_FUNCTION_TRACE("ns_internalize_name"); 481 ACPI_FUNCTION_TRACE(ns_internalize_name);
477 482
478 if ((!external_name) || (*external_name == 0) || (!converted_name)) { 483 if ((!external_name) || (*external_name == 0) || (!converted_name)) {
479 return_ACPI_STATUS(AE_BAD_PARAMETER); 484 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -486,7 +491,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
486 491
487 /* We need a segment to store the internal name */ 492 /* We need a segment to store the internal name */
488 493
489 internal_name = ACPI_MEM_CALLOCATE(info.length); 494 internal_name = ACPI_ALLOCATE_ZEROED(info.length);
490 if (!internal_name) { 495 if (!internal_name) {
491 return_ACPI_STATUS(AE_NO_MEMORY); 496 return_ACPI_STATUS(AE_NO_MEMORY);
492 } 497 }
@@ -496,7 +501,7 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
496 info.internal_name = internal_name; 501 info.internal_name = internal_name;
497 status = acpi_ns_build_internal_name(&info); 502 status = acpi_ns_build_internal_name(&info);
498 if (ACPI_FAILURE(status)) { 503 if (ACPI_FAILURE(status)) {
499 ACPI_MEM_FREE(internal_name); 504 ACPI_FREE(internal_name);
500 return_ACPI_STATUS(status); 505 return_ACPI_STATUS(status);
501 } 506 }
502 507
@@ -533,7 +538,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
533 acpi_native_uint i = 0; 538 acpi_native_uint i = 0;
534 acpi_native_uint j = 0; 539 acpi_native_uint j = 0;
535 540
536 ACPI_FUNCTION_TRACE("ns_externalize_name"); 541 ACPI_FUNCTION_TRACE(ns_externalize_name);
537 542
538 if (!internal_name_length || !internal_name || !converted_name) { 543 if (!internal_name_length || !internal_name || !converted_name) {
539 return_ACPI_STATUS(AE_BAD_PARAMETER); 544 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -628,7 +633,7 @@ acpi_ns_externalize_name(u32 internal_name_length,
628 /* 633 /*
629 * Build converted_name 634 * Build converted_name
630 */ 635 */
631 *converted_name = ACPI_MEM_CALLOCATE(required_length); 636 *converted_name = ACPI_ALLOCATE_ZEROED(required_length);
632 if (!(*converted_name)) { 637 if (!(*converted_name)) {
633 return_ACPI_STATUS(AE_NO_MEMORY); 638 return_ACPI_STATUS(AE_NO_MEMORY);
634 } 639 }
@@ -681,13 +686,9 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
681 ACPI_FUNCTION_ENTRY(); 686 ACPI_FUNCTION_ENTRY();
682 687
683 /* 688 /*
684 * Simple implementation. 689 * Simple implementation
685 */ 690 */
686 if (!handle) { 691 if ((!handle) || (handle == ACPI_ROOT_OBJECT)) {
687 return (NULL);
688 }
689
690 if (handle == ACPI_ROOT_OBJECT) {
691 return (acpi_gbl_root_node); 692 return (acpi_gbl_root_node);
692 } 693 }
693 694
@@ -697,7 +698,7 @@ struct acpi_namespace_node *acpi_ns_map_handle_to_node(acpi_handle handle)
697 return (NULL); 698 return (NULL);
698 } 699 }
699 700
700 return ((struct acpi_namespace_node *)handle); 701 return (ACPI_CAST_PTR(struct acpi_namespace_node, handle));
701} 702}
702 703
703/******************************************************************************* 704/*******************************************************************************
@@ -752,7 +753,7 @@ void acpi_ns_terminate(void)
752{ 753{
753 union acpi_operand_object *obj_desc; 754 union acpi_operand_object *obj_desc;
754 755
755 ACPI_FUNCTION_TRACE("ns_terminate"); 756 ACPI_FUNCTION_TRACE(ns_terminate);
756 757
757 /* 758 /*
758 * 1) Free the entire namespace -- all nodes and objects 759 * 1) Free the entire namespace -- all nodes and objects
@@ -792,9 +793,10 @@ void acpi_ns_terminate(void)
792 793
793u32 acpi_ns_opens_scope(acpi_object_type type) 794u32 acpi_ns_opens_scope(acpi_object_type type)
794{ 795{
795 ACPI_FUNCTION_TRACE_STR("ns_opens_scope", acpi_ut_get_type_name(type)); 796 ACPI_FUNCTION_TRACE_STR(ns_opens_scope, acpi_ut_get_type_name(type));
796 797
797 if (!acpi_ut_valid_object_type(type)) { 798 if (!acpi_ut_valid_object_type(type)) {
799
798 /* type code out of range */ 800 /* type code out of range */
799 801
800 ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type)); 802 ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type));
@@ -806,12 +808,12 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
806 808
807/******************************************************************************* 809/*******************************************************************************
808 * 810 *
809 * FUNCTION: acpi_ns_get_node_by_path 811 * FUNCTION: acpi_ns_get_node
810 * 812 *
811 * PARAMETERS: *Pathname - Name to be found, in external (ASL) format. The 813 * PARAMETERS: *Pathname - Name to be found, in external (ASL) format. The
812 * \ (backslash) and ^ (carat) prefixes, and the 814 * \ (backslash) and ^ (carat) prefixes, and the
813 * . (period) to separate segments are supported. 815 * . (period) to separate segments are supported.
814 * start_node - Root of subtree to be searched, or NS_ALL for the 816 * prefix_node - Root of subtree to be searched, or NS_ALL for the
815 * root of the name space. If Name is fully 817 * root of the name space. If Name is fully
816 * qualified (first s8 is '\'), the passed value 818 * qualified (first s8 is '\'), the passed value
817 * of Scope will not be accessed. 819 * of Scope will not be accessed.
@@ -827,23 +829,29 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
827 ******************************************************************************/ 829 ******************************************************************************/
828 830
829acpi_status 831acpi_status
830acpi_ns_get_node_by_path(char *pathname, 832acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
831 struct acpi_namespace_node *start_node, 833 char *pathname,
832 u32 flags, struct acpi_namespace_node **return_node) 834 u32 flags, struct acpi_namespace_node **return_node)
833{ 835{
834 union acpi_generic_state scope_info; 836 union acpi_generic_state scope_info;
835 acpi_status status; 837 acpi_status status;
836 char *internal_path = NULL; 838 char *internal_path;
837
838 ACPI_FUNCTION_TRACE_PTR("ns_get_node_by_path", pathname);
839 839
840 if (pathname) { 840 ACPI_FUNCTION_TRACE_PTR(ns_get_node, pathname);
841 /* Convert path to internal representation */
842 841
843 status = acpi_ns_internalize_name(pathname, &internal_path); 842 if (!pathname) {
844 if (ACPI_FAILURE(status)) { 843 *return_node = prefix_node;
845 return_ACPI_STATUS(status); 844 if (!prefix_node) {
845 *return_node = acpi_gbl_root_node;
846 } 846 }
847 return_ACPI_STATUS(AE_OK);
848 }
849
850 /* Convert path to internal representation */
851
852 status = acpi_ns_internalize_name(pathname, &internal_path);
853 if (ACPI_FAILURE(status)) {
854 return_ACPI_STATUS(status);
847 } 855 }
848 856
849 /* Must lock namespace during lookup */ 857 /* Must lock namespace during lookup */
@@ -855,26 +863,23 @@ acpi_ns_get_node_by_path(char *pathname,
855 863
856 /* Setup lookup scope (search starting point) */ 864 /* Setup lookup scope (search starting point) */
857 865
858 scope_info.scope.node = start_node; 866 scope_info.scope.node = prefix_node;
859 867
860 /* Lookup the name in the namespace */ 868 /* Lookup the name in the namespace */
861 869
862 status = acpi_ns_lookup(&scope_info, internal_path, 870 status = acpi_ns_lookup(&scope_info, internal_path, ACPI_TYPE_ANY,
863 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 871 ACPI_IMODE_EXECUTE,
864 (flags | ACPI_NS_DONT_OPEN_SCOPE), 872 (flags | ACPI_NS_DONT_OPEN_SCOPE), NULL,
865 NULL, return_node); 873 return_node);
866 if (ACPI_FAILURE(status)) { 874 if (ACPI_FAILURE(status)) {
867 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s, %s\n", 875 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%s, %s\n",
868 internal_path, 876 pathname, acpi_format_exception(status)));
869 acpi_format_exception(status)));
870 } 877 }
871 878
872 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 879 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
873 880
874 cleanup: 881 cleanup:
875 if (internal_path) { 882 ACPI_FREE(internal_path);
876 ACPI_MEM_FREE(internal_path);
877 }
878 return_ACPI_STATUS(status); 883 return_ACPI_STATUS(status);
879} 884}
880 885
@@ -960,9 +965,10 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node * child_node)
960{ 965{
961 struct acpi_namespace_node *parent_node; 966 struct acpi_namespace_node *parent_node;
962 967
963 ACPI_FUNCTION_TRACE("ns_find_parent_name"); 968 ACPI_FUNCTION_TRACE(ns_find_parent_name);
964 969
965 if (child_node) { 970 if (child_node) {
971
966 /* Valid entry. Get the parent Node */ 972 /* Valid entry. Get the parent Node */
967 973
968 parent_node = acpi_ns_get_parent_node(child_node); 974 parent_node = acpi_ns_get_parent_node(child_node);
diff --git a/drivers/acpi/namespace/nswalk.c b/drivers/acpi/namespace/nswalk.c
index fcab1e784b81..c8f6bef16ed0 100644
--- a/drivers/acpi/namespace/nswalk.c
+++ b/drivers/acpi/namespace/nswalk.c
@@ -76,6 +76,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
76 ACPI_FUNCTION_ENTRY(); 76 ACPI_FUNCTION_ENTRY();
77 77
78 if (!child_node) { 78 if (!child_node) {
79
79 /* It's really the parent's _scope_ that we want */ 80 /* It's really the parent's _scope_ that we want */
80 81
81 if (parent_node->child) { 82 if (parent_node->child) {
@@ -92,6 +93,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
92 /* If any type is OK, we are done */ 93 /* If any type is OK, we are done */
93 94
94 if (type == ACPI_TYPE_ANY) { 95 if (type == ACPI_TYPE_ANY) {
96
95 /* next_node is NULL if we are at the end-of-list */ 97 /* next_node is NULL if we are at the end-of-list */
96 98
97 return (next_node); 99 return (next_node);
@@ -100,6 +102,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type,
100 /* Must search for the node -- but within this scope only */ 102 /* Must search for the node -- but within this scope only */
101 103
102 while (next_node) { 104 while (next_node) {
105
103 /* If type matches, we are done */ 106 /* If type matches, we are done */
104 107
105 if (next_node->type == type) { 108 if (next_node->type == type) {
@@ -161,7 +164,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
161 acpi_object_type child_type; 164 acpi_object_type child_type;
162 u32 level; 165 u32 level;
163 166
164 ACPI_FUNCTION_TRACE("ns_walk_namespace"); 167 ACPI_FUNCTION_TRACE(ns_walk_namespace);
165 168
166 /* Special case for the namespace Root Node */ 169 /* Special case for the namespace Root Node */
167 170
@@ -182,6 +185,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
182 * bubbled up to (and passed) the original parent handle (start_entry) 185 * bubbled up to (and passed) the original parent handle (start_entry)
183 */ 186 */
184 while (level > 0) { 187 while (level > 0) {
188
185 /* Get the next node in this scope. Null if not found */ 189 /* Get the next node in this scope. Null if not found */
186 190
187 status = AE_OK; 191 status = AE_OK;
diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c
index a95f636dc35d..6d9bd45af30a 100644
--- a/drivers/acpi/namespace/nsxfeval.c
+++ b/drivers/acpi/namespace/nsxfeval.c
@@ -42,8 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46
47#include <acpi/acpi.h> 45#include <acpi/acpi.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
49#include <acpi/acinterp.h> 47#include <acpi/acinterp.h>
@@ -51,6 +49,7 @@
51#define _COMPONENT ACPI_NAMESPACE 49#define _COMPONENT ACPI_NAMESPACE
52ACPI_MODULE_NAME("nsxfeval") 50ACPI_MODULE_NAME("nsxfeval")
53 51
52#ifdef ACPI_FUTURE_USAGE
54/******************************************************************************* 53/*******************************************************************************
55 * 54 *
56 * FUNCTION: acpi_evaluate_object_typed 55 * FUNCTION: acpi_evaluate_object_typed
@@ -71,18 +70,17 @@ ACPI_MODULE_NAME("nsxfeval")
71 * be valid (non-null) 70 * be valid (non-null)
72 * 71 *
73 ******************************************************************************/ 72 ******************************************************************************/
74#ifdef ACPI_FUTURE_USAGE
75acpi_status 73acpi_status
76acpi_evaluate_object_typed(acpi_handle handle, 74acpi_evaluate_object_typed(acpi_handle handle,
77 acpi_string pathname, 75 acpi_string pathname,
78 struct acpi_object_list *external_params, 76 struct acpi_object_list * external_params,
79 struct acpi_buffer *return_buffer, 77 struct acpi_buffer * return_buffer,
80 acpi_object_type return_type) 78 acpi_object_type return_type)
81{ 79{
82 acpi_status status; 80 acpi_status status;
83 u8 must_free = FALSE; 81 u8 must_free = FALSE;
84 82
85 ACPI_FUNCTION_TRACE("acpi_evaluate_object_typed"); 83 ACPI_FUNCTION_TRACE(acpi_evaluate_object_typed);
86 84
87 /* Return buffer must be valid */ 85 /* Return buffer must be valid */
88 86
@@ -110,6 +108,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
110 } 108 }
111 109
112 if (return_buffer->length == 0) { 110 if (return_buffer->length == 0) {
111
113 /* Error because caller specifically asked for a return value */ 112 /* Error because caller specifically asked for a return value */
114 113
115 ACPI_ERROR((AE_INFO, "No return value")); 114 ACPI_ERROR((AE_INFO, "No return value"));
@@ -131,6 +130,7 @@ acpi_evaluate_object_typed(acpi_handle handle,
131 acpi_ut_get_type_name(return_type))); 130 acpi_ut_get_type_name(return_type)));
132 131
133 if (must_free) { 132 if (must_free) {
133
134 /* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */ 134 /* Caller used ACPI_ALLOCATE_BUFFER, free the return buffer */
135 135
136 acpi_os_free(return_buffer->pointer); 136 acpi_os_free(return_buffer->pointer);
@@ -140,6 +140,8 @@ acpi_evaluate_object_typed(acpi_handle handle,
140 return_buffer->length = 0; 140 return_buffer->length = 0;
141 return_ACPI_STATUS(AE_TYPE); 141 return_ACPI_STATUS(AE_TYPE);
142} 142}
143
144ACPI_EXPORT_SYMBOL(acpi_evaluate_object_typed)
143#endif /* ACPI_FUTURE_USAGE */ 145#endif /* ACPI_FUTURE_USAGE */
144 146
145/******************************************************************************* 147/*******************************************************************************
@@ -161,7 +163,6 @@ acpi_evaluate_object_typed(acpi_handle handle,
161 * be valid (non-null) 163 * be valid (non-null)
162 * 164 *
163 ******************************************************************************/ 165 ******************************************************************************/
164
165acpi_status 166acpi_status
166acpi_evaluate_object(acpi_handle handle, 167acpi_evaluate_object(acpi_handle handle,
167 acpi_string pathname, 168 acpi_string pathname,
@@ -170,51 +171,61 @@ acpi_evaluate_object(acpi_handle handle,
170{ 171{
171 acpi_status status; 172 acpi_status status;
172 acpi_status status2; 173 acpi_status status2;
173 struct acpi_parameter_info info; 174 struct acpi_evaluate_info *info;
174 acpi_size buffer_space_needed; 175 acpi_size buffer_space_needed;
175 u32 i; 176 u32 i;
176 177
177 ACPI_FUNCTION_TRACE("acpi_evaluate_object"); 178 ACPI_FUNCTION_TRACE(acpi_evaluate_object);
178 179
179 info.node = handle; 180 /* Allocate and initialize the evaluation information block */
180 info.parameters = NULL; 181
181 info.return_object = NULL; 182 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
182 info.parameter_type = ACPI_PARAM_ARGS; 183 if (!info) {
184 return_ACPI_STATUS(AE_NO_MEMORY);
185 }
186
187 info->pathname = pathname;
188 info->parameter_type = ACPI_PARAM_ARGS;
189
190 /* Convert and validate the device handle */
191
192 info->prefix_node = acpi_ns_map_handle_to_node(handle);
193 if (!info->prefix_node) {
194 status = AE_BAD_PARAMETER;
195 goto cleanup;
196 }
183 197
184 /* 198 /*
185 * If there are parameters to be passed to the object 199 * If there are parameters to be passed to a control method, the external
186 * (which must be a control method), the external objects 200 * objects must all be converted to internal objects
187 * must be converted to internal objects
188 */ 201 */
189 if (external_params && external_params->count) { 202 if (external_params && external_params->count) {
190 /* 203 /*
191 * Allocate a new parameter block for the internal objects 204 * Allocate a new parameter block for the internal objects
192 * Add 1 to count to allow for null terminated internal list 205 * Add 1 to count to allow for null terminated internal list
193 */ 206 */
194 info.parameters = ACPI_MEM_CALLOCATE(((acpi_size) 207 info->parameters = ACPI_ALLOCATE_ZEROED(((acpi_size)
195 external_params->count + 208 external_params->
196 1) * sizeof(void *)); 209 count +
197 if (!info.parameters) { 210 1) * sizeof(void *));
198 return_ACPI_STATUS(AE_NO_MEMORY); 211 if (!info->parameters) {
212 status = AE_NO_MEMORY;
213 goto cleanup;
199 } 214 }
200 215
201 /* 216 /* Convert each external object in the list to an internal object */
202 * Convert each external object in the list to an 217
203 * internal object
204 */
205 for (i = 0; i < external_params->count; i++) { 218 for (i = 0; i < external_params->count; i++) {
206 status = 219 status =
207 acpi_ut_copy_eobject_to_iobject(&external_params-> 220 acpi_ut_copy_eobject_to_iobject(&external_params->
208 pointer[i], 221 pointer[i],
209 &info. 222 &info->
210 parameters[i]); 223 parameters[i]);
211 if (ACPI_FAILURE(status)) { 224 if (ACPI_FAILURE(status)) {
212 acpi_ut_delete_internal_object_list(info. 225 goto cleanup;
213 parameters);
214 return_ACPI_STATUS(status);
215 } 226 }
216 } 227 }
217 info.parameters[external_params->count] = NULL; 228 info->parameters[external_params->count] = NULL;
218 } 229 }
219 230
220 /* 231 /*
@@ -224,43 +235,31 @@ acpi_evaluate_object(acpi_handle handle,
224 * 3) Valid handle 235 * 3) Valid handle
225 */ 236 */
226 if ((pathname) && (acpi_ns_valid_root_prefix(pathname[0]))) { 237 if ((pathname) && (acpi_ns_valid_root_prefix(pathname[0]))) {
227 /* 238
228 * The path is fully qualified, just evaluate by name 239 /* The path is fully qualified, just evaluate by name */
229 */ 240
230 status = acpi_ns_evaluate_by_name(pathname, &info); 241 info->prefix_node = NULL;
242 status = acpi_ns_evaluate(info);
231 } else if (!handle) { 243 } else if (!handle) {
232 /* 244 /*
233 * A handle is optional iff a fully qualified pathname 245 * A handle is optional iff a fully qualified pathname is specified.
234 * is specified. Since we've already handled fully 246 * Since we've already handled fully qualified names above, this is
235 * qualified names above, this is an error 247 * an error
236 */ 248 */
237 if (!pathname) { 249 if (!pathname) {
238 ACPI_ERROR((AE_INFO, 250 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
239 "Both Handle and Pathname are NULL")); 251 "Both Handle and Pathname are NULL"));
240 } else { 252 } else {
241 ACPI_ERROR((AE_INFO, 253 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
242 "Handle is NULL and Pathname is relative")); 254 "Null Handle with relative pathname [%s]",
255 pathname));
243 } 256 }
244 257
245 status = AE_BAD_PARAMETER; 258 status = AE_BAD_PARAMETER;
246 } else { 259 } else {
247 /* 260 /* We have a namespace a node and a possible relative path */
248 * We get here if we have a handle -- and if we have a 261
249 * pathname it is relative. The handle will be validated 262 status = acpi_ns_evaluate(info);
250 * in the lower procedures
251 */
252 if (!pathname) {
253 /*
254 * The null pathname case means the handle is for
255 * the actual object to be evaluated
256 */
257 status = acpi_ns_evaluate_by_handle(&info);
258 } else {
259 /*
260 * Both a Handle and a relative Pathname
261 */
262 status = acpi_ns_evaluate_relative(pathname, &info);
263 }
264 } 263 }
265 264
266 /* 265 /*
@@ -268,10 +267,10 @@ acpi_evaluate_object(acpi_handle handle,
268 * copy the return value to an external object. 267 * copy the return value to an external object.
269 */ 268 */
270 if (return_buffer) { 269 if (return_buffer) {
271 if (!info.return_object) { 270 if (!info->return_object) {
272 return_buffer->length = 0; 271 return_buffer->length = 0;
273 } else { 272 } else {
274 if (ACPI_GET_DESCRIPTOR_TYPE(info.return_object) == 273 if (ACPI_GET_DESCRIPTOR_TYPE(info->return_object) ==
275 ACPI_DESC_TYPE_NAMED) { 274 ACPI_DESC_TYPE_NAMED) {
276 /* 275 /*
277 * If we received a NS Node as a return object, this means that 276 * If we received a NS Node as a return object, this means that
@@ -282,19 +281,19 @@ acpi_evaluate_object(acpi_handle handle,
282 * support for various types at a later date if necessary. 281 * support for various types at a later date if necessary.
283 */ 282 */
284 status = AE_TYPE; 283 status = AE_TYPE;
285 info.return_object = NULL; /* No need to delete a NS Node */ 284 info->return_object = NULL; /* No need to delete a NS Node */
286 return_buffer->length = 0; 285 return_buffer->length = 0;
287 } 286 }
288 287
289 if (ACPI_SUCCESS(status)) { 288 if (ACPI_SUCCESS(status)) {
290 /* 289
291 * Find out how large a buffer is needed 290 /* Get the size of the returned object */
292 * to contain the returned object 291
293 */
294 status = 292 status =
295 acpi_ut_get_object_size(info.return_object, 293 acpi_ut_get_object_size(info->return_object,
296 &buffer_space_needed); 294 &buffer_space_needed);
297 if (ACPI_SUCCESS(status)) { 295 if (ACPI_SUCCESS(status)) {
296
298 /* Validate/Allocate/Clear caller buffer */ 297 /* Validate/Allocate/Clear caller buffer */
299 298
300 status = 299 status =
@@ -303,7 +302,8 @@ acpi_evaluate_object(acpi_handle handle,
303 buffer_space_needed); 302 buffer_space_needed);
304 if (ACPI_FAILURE(status)) { 303 if (ACPI_FAILURE(status)) {
305 /* 304 /*
306 * Caller's buffer is too small or a new one can't be allocated 305 * Caller's buffer is too small or a new one can't
306 * be allocated
307 */ 307 */
308 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 308 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
309 "Needed buffer size %X, %s\n", 309 "Needed buffer size %X, %s\n",
@@ -312,12 +312,11 @@ acpi_evaluate_object(acpi_handle handle,
312 acpi_format_exception 312 acpi_format_exception
313 (status))); 313 (status)));
314 } else { 314 } else {
315 /* 315 /* We have enough space for the object, build it */
316 * We have enough space for the object, build it 316
317 */
318 status = 317 status =
319 acpi_ut_copy_iobject_to_eobject 318 acpi_ut_copy_iobject_to_eobject
320 (info.return_object, 319 (info->return_object,
321 return_buffer); 320 return_buffer);
322 } 321 }
323 } 322 }
@@ -325,35 +324,37 @@ acpi_evaluate_object(acpi_handle handle,
325 } 324 }
326 } 325 }
327 326
328 if (info.return_object) { 327 if (info->return_object) {
329 /* 328 /*
330 * Delete the internal return object. NOTE: Interpreter 329 * Delete the internal return object. NOTE: Interpreter must be
331 * must be locked to avoid race condition. 330 * locked to avoid race condition.
332 */ 331 */
333 status2 = acpi_ex_enter_interpreter(); 332 status2 = acpi_ex_enter_interpreter();
334 if (ACPI_SUCCESS(status2)) { 333 if (ACPI_SUCCESS(status2)) {
335 /* 334
336 * Delete the internal return object. (Or at least 335 /* Remove one reference on the return object (should delete it) */
337 * decrement the reference count by one) 336
338 */ 337 acpi_ut_remove_reference(info->return_object);
339 acpi_ut_remove_reference(info.return_object);
340 acpi_ex_exit_interpreter(); 338 acpi_ex_exit_interpreter();
341 } 339 }
342 } 340 }
343 341
344 /* 342 cleanup:
345 * Free the input parameter list (if we created one), 343
346 */ 344 /* Free the input parameter list (if we created one) */
347 if (info.parameters) { 345
346 if (info->parameters) {
347
348 /* Free the allocated parameter block */ 348 /* Free the allocated parameter block */
349 349
350 acpi_ut_delete_internal_object_list(info.parameters); 350 acpi_ut_delete_internal_object_list(info->parameters);
351 } 351 }
352 352
353 ACPI_FREE(info);
353 return_ACPI_STATUS(status); 354 return_ACPI_STATUS(status);
354} 355}
355 356
356EXPORT_SYMBOL(acpi_evaluate_object); 357ACPI_EXPORT_SYMBOL(acpi_evaluate_object)
357 358
358/******************************************************************************* 359/*******************************************************************************
359 * 360 *
@@ -384,7 +385,6 @@ EXPORT_SYMBOL(acpi_evaluate_object);
384 * function, etc. 385 * function, etc.
385 * 386 *
386 ******************************************************************************/ 387 ******************************************************************************/
387
388acpi_status 388acpi_status
389acpi_walk_namespace(acpi_object_type type, 389acpi_walk_namespace(acpi_object_type type,
390 acpi_handle start_object, 390 acpi_handle start_object,
@@ -394,7 +394,7 @@ acpi_walk_namespace(acpi_object_type type,
394{ 394{
395 acpi_status status; 395 acpi_status status;
396 396
397 ACPI_FUNCTION_TRACE("acpi_walk_namespace"); 397 ACPI_FUNCTION_TRACE(acpi_walk_namespace);
398 398
399 /* Parameter validation */ 399 /* Parameter validation */
400 400
@@ -421,7 +421,7 @@ acpi_walk_namespace(acpi_object_type type,
421 return_ACPI_STATUS(status); 421 return_ACPI_STATUS(status);
422} 422}
423 423
424EXPORT_SYMBOL(acpi_walk_namespace); 424ACPI_EXPORT_SYMBOL(acpi_walk_namespace)
425 425
426/******************************************************************************* 426/*******************************************************************************
427 * 427 *
@@ -436,7 +436,6 @@ EXPORT_SYMBOL(acpi_walk_namespace);
436 * on that. 436 * on that.
437 * 437 *
438 ******************************************************************************/ 438 ******************************************************************************/
439
440static acpi_status 439static acpi_status
441acpi_ns_get_device_callback(acpi_handle obj_handle, 440acpi_ns_get_device_callback(acpi_handle obj_handle,
442 u32 nesting_level, 441 u32 nesting_level,
@@ -473,6 +472,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
473 } 472 }
474 473
475 if (!(flags & ACPI_STA_DEVICE_PRESENT)) { 474 if (!(flags & ACPI_STA_DEVICE_PRESENT)) {
475
476 /* Don't examine children of the device if not present */ 476 /* Don't examine children of the device if not present */
477 477
478 return (AE_CTRL_DEPTH); 478 return (AE_CTRL_DEPTH);
@@ -489,6 +489,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
489 } 489 }
490 490
491 if (ACPI_STRNCMP(hid.value, info->hid, sizeof(hid.value)) != 0) { 491 if (ACPI_STRNCMP(hid.value, info->hid, sizeof(hid.value)) != 0) {
492
492 /* Get the list of Compatible IDs */ 493 /* Get the list of Compatible IDs */
493 494
494 status = acpi_ut_execute_CID(node, &cid); 495 status = acpi_ut_execute_CID(node, &cid);
@@ -505,11 +506,11 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
505 sizeof(struct 506 sizeof(struct
506 acpi_compatible_id)) != 507 acpi_compatible_id)) !=
507 0) { 508 0) {
508 ACPI_MEM_FREE(cid); 509 ACPI_FREE(cid);
509 return (AE_OK); 510 return (AE_OK);
510 } 511 }
511 } 512 }
512 ACPI_MEM_FREE(cid); 513 ACPI_FREE(cid);
513 } 514 }
514 } 515 }
515 516
@@ -551,7 +552,7 @@ acpi_get_devices(char *HID,
551 acpi_status status; 552 acpi_status status;
552 struct acpi_get_devices_info info; 553 struct acpi_get_devices_info info;
553 554
554 ACPI_FUNCTION_TRACE("acpi_get_devices"); 555 ACPI_FUNCTION_TRACE(acpi_get_devices);
555 556
556 /* Parameter validation */ 557 /* Parameter validation */
557 558
@@ -563,9 +564,9 @@ acpi_get_devices(char *HID,
563 * We're going to call their callback from OUR callback, so we need 564 * We're going to call their callback from OUR callback, so we need
564 * to know what it is, and their context parameter. 565 * to know what it is, and their context parameter.
565 */ 566 */
567 info.hid = HID;
566 info.context = context; 568 info.context = context;
567 info.user_function = user_function; 569 info.user_function = user_function;
568 info.hid = HID;
569 570
570 /* 571 /*
571 * Lock the namespace around the walk. 572 * Lock the namespace around the walk.
@@ -578,9 +579,8 @@ acpi_get_devices(char *HID,
578 return_ACPI_STATUS(status); 579 return_ACPI_STATUS(status);
579 } 580 }
580 581
581 status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, 582 status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
582 ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, 583 ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
583 ACPI_NS_WALK_UNLOCK,
584 acpi_ns_get_device_callback, &info, 584 acpi_ns_get_device_callback, &info,
585 return_value); 585 return_value);
586 586
@@ -588,7 +588,7 @@ acpi_get_devices(char *HID,
588 return_ACPI_STATUS(status); 588 return_ACPI_STATUS(status);
589} 589}
590 590
591EXPORT_SYMBOL(acpi_get_devices); 591ACPI_EXPORT_SYMBOL(acpi_get_devices)
592 592
593/******************************************************************************* 593/*******************************************************************************
594 * 594 *
@@ -603,7 +603,6 @@ EXPORT_SYMBOL(acpi_get_devices);
603 * DESCRIPTION: Attach arbitrary data and handler to a namespace node. 603 * DESCRIPTION: Attach arbitrary data and handler to a namespace node.
604 * 604 *
605 ******************************************************************************/ 605 ******************************************************************************/
606
607acpi_status 606acpi_status
608acpi_attach_data(acpi_handle obj_handle, 607acpi_attach_data(acpi_handle obj_handle,
609 acpi_object_handler handler, void *data) 608 acpi_object_handler handler, void *data)
@@ -637,6 +636,8 @@ acpi_attach_data(acpi_handle obj_handle,
637 return (status); 636 return (status);
638} 637}
639 638
639ACPI_EXPORT_SYMBOL(acpi_attach_data)
640
640/******************************************************************************* 641/*******************************************************************************
641 * 642 *
642 * FUNCTION: acpi_detach_data 643 * FUNCTION: acpi_detach_data
@@ -649,7 +650,6 @@ acpi_attach_data(acpi_handle obj_handle,
649 * DESCRIPTION: Remove data that was previously attached to a node. 650 * DESCRIPTION: Remove data that was previously attached to a node.
650 * 651 *
651 ******************************************************************************/ 652 ******************************************************************************/
652
653acpi_status 653acpi_status
654acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler) 654acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
655{ 655{
@@ -682,6 +682,8 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
682 return (status); 682 return (status);
683} 683}
684 684
685ACPI_EXPORT_SYMBOL(acpi_detach_data)
686
685/******************************************************************************* 687/*******************************************************************************
686 * 688 *
687 * FUNCTION: acpi_get_data 689 * FUNCTION: acpi_get_data
@@ -695,7 +697,6 @@ acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler)
695 * DESCRIPTION: Retrieve data that was previously attached to a namespace node. 697 * DESCRIPTION: Retrieve data that was previously attached to a namespace node.
696 * 698 *
697 ******************************************************************************/ 699 ******************************************************************************/
698
699acpi_status 700acpi_status
700acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data) 701acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
701{ 702{
@@ -727,3 +728,5 @@ acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data)
727 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); 728 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
728 return (status); 729 return (status);
729} 730}
731
732ACPI_EXPORT_SYMBOL(acpi_get_data)
diff --git a/drivers/acpi/namespace/nsxfname.c b/drivers/acpi/namespace/nsxfname.c
index 8cd8675a47c0..978213a6c19f 100644
--- a/drivers/acpi/namespace/nsxfname.c
+++ b/drivers/acpi/namespace/nsxfname.c
@@ -42,8 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46
47#include <acpi/acpi.h> 45#include <acpi/acpi.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
49 47
@@ -114,9 +112,8 @@ acpi_get_handle(acpi_handle parent,
114 /* 112 /*
115 * Find the Node and convert to a handle 113 * Find the Node and convert to a handle
116 */ 114 */
117 status = 115 status = acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH,
118 acpi_ns_get_node_by_path(pathname, prefix_node, ACPI_NS_NO_UPSEARCH, 116 &node);
119 &node);
120 117
121 *ret_handle = NULL; 118 *ret_handle = NULL;
122 if (ACPI_SUCCESS(status)) { 119 if (ACPI_SUCCESS(status)) {
@@ -126,7 +123,7 @@ acpi_get_handle(acpi_handle parent,
126 return (status); 123 return (status);
127} 124}
128 125
129EXPORT_SYMBOL(acpi_get_handle); 126ACPI_EXPORT_SYMBOL(acpi_get_handle)
130 127
131/****************************************************************************** 128/******************************************************************************
132 * 129 *
@@ -143,7 +140,6 @@ EXPORT_SYMBOL(acpi_get_handle);
143 * complementary functions. 140 * complementary functions.
144 * 141 *
145 ******************************************************************************/ 142 ******************************************************************************/
146
147acpi_status 143acpi_status
148acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer) 144acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
149{ 145{
@@ -162,6 +158,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
162 } 158 }
163 159
164 if (name_type == ACPI_FULL_PATHNAME) { 160 if (name_type == ACPI_FULL_PATHNAME) {
161
165 /* Get the full pathname (From the namespace root) */ 162 /* Get the full pathname (From the namespace root) */
166 163
167 status = acpi_ns_handle_to_pathname(handle, buffer); 164 status = acpi_ns_handle_to_pathname(handle, buffer);
@@ -203,7 +200,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
203 return (status); 200 return (status);
204} 201}
205 202
206EXPORT_SYMBOL(acpi_get_name); 203ACPI_EXPORT_SYMBOL(acpi_get_name)
207 204
208/****************************************************************************** 205/******************************************************************************
209 * 206 *
@@ -219,7 +216,6 @@ EXPORT_SYMBOL(acpi_get_name);
219 * control methods (Such as in the case of a device.) 216 * control methods (Such as in the case of a device.)
220 * 217 *
221 ******************************************************************************/ 218 ******************************************************************************/
222
223acpi_status 219acpi_status
224acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer) 220acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
225{ 221{
@@ -241,7 +237,7 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
241 return (status); 237 return (status);
242 } 238 }
243 239
244 info = ACPI_MEM_CALLOCATE(sizeof(struct acpi_device_info)); 240 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_device_info));
245 if (!info) { 241 if (!info) {
246 return (AE_NO_MEMORY); 242 return (AE_NO_MEMORY);
247 } 243 }
@@ -345,11 +341,11 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
345 } 341 }
346 342
347 cleanup: 343 cleanup:
348 ACPI_MEM_FREE(info); 344 ACPI_FREE(info);
349 if (cid_list) { 345 if (cid_list) {
350 ACPI_MEM_FREE(cid_list); 346 ACPI_FREE(cid_list);
351 } 347 }
352 return (status); 348 return (status);
353} 349}
354 350
355EXPORT_SYMBOL(acpi_get_object_info); 351ACPI_EXPORT_SYMBOL(acpi_get_object_info)
diff --git a/drivers/acpi/namespace/nsxfobj.c b/drivers/acpi/namespace/nsxfobj.c
index a0332595677a..a163e1d3708d 100644
--- a/drivers/acpi/namespace/nsxfobj.c
+++ b/drivers/acpi/namespace/nsxfobj.c
@@ -42,8 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46
47#include <acpi/acpi.h> 45#include <acpi/acpi.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
49 47
@@ -101,7 +99,7 @@ acpi_status acpi_get_type(acpi_handle handle, acpi_object_type * ret_type)
101 return (status); 99 return (status);
102} 100}
103 101
104EXPORT_SYMBOL(acpi_get_type); 102ACPI_EXPORT_SYMBOL(acpi_get_type)
105 103
106/******************************************************************************* 104/*******************************************************************************
107 * 105 *
@@ -116,7 +114,6 @@ EXPORT_SYMBOL(acpi_get_type);
116 * Handle. 114 * Handle.
117 * 115 *
118 ******************************************************************************/ 116 ******************************************************************************/
119
120acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle) 117acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
121{ 118{
122 struct acpi_namespace_node *node; 119 struct acpi_namespace_node *node;
@@ -162,7 +159,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
162 return (status); 159 return (status);
163} 160}
164 161
165EXPORT_SYMBOL(acpi_get_parent); 162ACPI_EXPORT_SYMBOL(acpi_get_parent)
166 163
167/******************************************************************************* 164/*******************************************************************************
168 * 165 *
@@ -181,7 +178,6 @@ EXPORT_SYMBOL(acpi_get_parent);
181 * Scope is returned. 178 * Scope is returned.
182 * 179 *
183 ******************************************************************************/ 180 ******************************************************************************/
184
185acpi_status 181acpi_status
186acpi_get_next_object(acpi_object_type type, 182acpi_get_next_object(acpi_object_type type,
187 acpi_handle parent, 183 acpi_handle parent,
@@ -206,6 +202,7 @@ acpi_get_next_object(acpi_object_type type,
206 /* If null handle, use the parent */ 202 /* If null handle, use the parent */
207 203
208 if (!child) { 204 if (!child) {
205
209 /* Start search at the beginning of the specified scope */ 206 /* Start search at the beginning of the specified scope */
210 207
211 parent_node = acpi_ns_map_handle_to_node(parent); 208 parent_node = acpi_ns_map_handle_to_node(parent);
@@ -242,4 +239,4 @@ acpi_get_next_object(acpi_object_type type,
242 return (status); 239 return (status);
243} 240}
244 241
245EXPORT_SYMBOL(acpi_get_next_object); 242ACPI_EXPORT_SYMBOL(acpi_get_next_object)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 13b5fd5854a8..1bb558adee66 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -37,6 +37,7 @@
37#include <linux/delay.h> 37#include <linux/delay.h>
38#include <linux/workqueue.h> 38#include <linux/workqueue.h>
39#include <linux/nmi.h> 39#include <linux/nmi.h>
40#include <linux/kthread.h>
40#include <acpi/acpi.h> 41#include <acpi/acpi.h>
41#include <asm/io.h> 42#include <asm/io.h>
42#include <acpi/acpi_bus.h> 43#include <acpi/acpi_bus.h>
@@ -600,23 +601,41 @@ static void acpi_os_execute_deferred(void *context)
600 return_VOID; 601 return_VOID;
601} 602}
602 603
603acpi_status 604static int acpi_os_execute_thread(void *context)
604acpi_os_queue_for_execution(u32 priority, 605{
606 struct acpi_os_dpc *dpc = (struct acpi_os_dpc *)context;
607 if (dpc) {
608 dpc->function(dpc->context);
609 kfree(dpc);
610 }
611 do_exit(0);
612}
613
614/*******************************************************************************
615 *
616 * FUNCTION: acpi_os_execute
617 *
618 * PARAMETERS: Type - Type of the callback
619 * Function - Function to be executed
620 * Context - Function parameters
621 *
622 * RETURN: Status
623 *
624 * DESCRIPTION: Depending on type, either queues function for deferred execution or
625 * immediately executes function on a separate thread.
626 *
627 ******************************************************************************/
628
629acpi_status acpi_os_execute(acpi_execute_type type,
605 acpi_osd_exec_callback function, void *context) 630 acpi_osd_exec_callback function, void *context)
606{ 631{
607 acpi_status status = AE_OK; 632 acpi_status status = AE_OK;
608 struct acpi_os_dpc *dpc; 633 struct acpi_os_dpc *dpc;
609 struct work_struct *task; 634 struct work_struct *task;
610 635 struct task_struct *p;
611 ACPI_FUNCTION_TRACE("os_queue_for_execution");
612
613 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
614 "Scheduling function [%p(%p)] for deferred execution.\n",
615 function, context));
616 636
617 if (!function) 637 if (!function)
618 return_ACPI_STATUS(AE_BAD_PARAMETER); 638 return AE_BAD_PARAMETER;
619
620 /* 639 /*
621 * Allocate/initialize DPC structure. Note that this memory will be 640 * Allocate/initialize DPC structure. Note that this memory will be
622 * freed by the callee. The kernel handles the tq_struct list in a 641 * freed by the callee. The kernel handles the tq_struct list in a
@@ -627,30 +646,37 @@ acpi_os_queue_for_execution(u32 priority,
627 * We can save time and code by allocating the DPC and tq_structs 646 * We can save time and code by allocating the DPC and tq_structs
628 * from the same memory. 647 * from the same memory.
629 */ 648 */
630 649 if (type == OSL_NOTIFY_HANDLER) {
631 dpc = 650 dpc = kmalloc(sizeof(struct acpi_os_dpc), GFP_KERNEL);
632 kmalloc(sizeof(struct acpi_os_dpc) + sizeof(struct work_struct), 651 } else {
633 GFP_ATOMIC); 652 dpc = kmalloc(sizeof(struct acpi_os_dpc) +
653 sizeof(struct work_struct), GFP_ATOMIC);
654 }
634 if (!dpc) 655 if (!dpc)
635 return_ACPI_STATUS(AE_NO_MEMORY); 656 return AE_NO_MEMORY;
636
637 dpc->function = function; 657 dpc->function = function;
638 dpc->context = context; 658 dpc->context = context;
639 659
640 task = (void *)(dpc + 1); 660 if (type == OSL_NOTIFY_HANDLER) {
641 INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc); 661 p = kthread_create(acpi_os_execute_thread, dpc, "kacpid_notify");
642 662 if (!IS_ERR(p)) {
643 if (!queue_work(kacpid_wq, task)) { 663 wake_up_process(p);
644 ACPI_DEBUG_PRINT((ACPI_DB_ERROR, 664 } else {
645 "Call to queue_work() failed.\n")); 665 status = AE_NO_MEMORY;
646 kfree(dpc); 666 kfree(dpc);
647 status = AE_ERROR; 667 }
668 } else {
669 task = (void *)(dpc + 1);
670 INIT_WORK(task, acpi_os_execute_deferred, (void *)dpc);
671 if (!queue_work(kacpid_wq, task)) {
672 status = AE_ERROR;
673 kfree(dpc);
674 }
648 } 675 }
649 676 return status;
650 return_ACPI_STATUS(status);
651} 677}
652 678
653EXPORT_SYMBOL(acpi_os_queue_for_execution); 679EXPORT_SYMBOL(acpi_os_execute);
654 680
655void acpi_os_wait_events_complete(void *context) 681void acpi_os_wait_events_complete(void *context)
656{ 682{
@@ -769,9 +795,6 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
769 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", 795 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n",
770 handle, units, timeout)); 796 handle, units, timeout));
771 797
772 if (in_atomic())
773 timeout = 0;
774
775 switch (timeout) { 798 switch (timeout) {
776 /* 799 /*
777 * No Wait: 800 * No Wait:
@@ -896,14 +919,6 @@ u8 acpi_os_writable(void *ptr, acpi_size len)
896} 919}
897#endif 920#endif
898 921
899u32 acpi_os_get_thread_id(void)
900{
901 if (!in_atomic())
902 return current->pid;
903
904 return 0;
905}
906
907acpi_status acpi_os_signal(u32 function, void *info) 922acpi_status acpi_os_signal(u32 function, void *info)
908{ 923{
909 switch (function) { 924 switch (function) {
@@ -1050,12 +1065,12 @@ void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags)
1050 * 1065 *
1051 * FUNCTION: acpi_os_create_cache 1066 * FUNCTION: acpi_os_create_cache
1052 * 1067 *
1053 * PARAMETERS: CacheName - Ascii name for the cache 1068 * PARAMETERS: name - Ascii name for the cache
1054 * ObjectSize - Size of each cached object 1069 * size - Size of each cached object
1055 * MaxDepth - Maximum depth of the cache (in objects) 1070 * depth - Maximum depth of the cache (in objects) <ignored>
1056 * ReturnCache - Where the new cache object is returned 1071 * cache - Where the new cache object is returned
1057 * 1072 *
1058 * RETURN: Status 1073 * RETURN: status
1059 * 1074 *
1060 * DESCRIPTION: Create a cache object 1075 * DESCRIPTION: Create a cache object
1061 * 1076 *
@@ -1065,7 +1080,10 @@ acpi_status
1065acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache) 1080acpi_os_create_cache(char *name, u16 size, u16 depth, acpi_cache_t ** cache)
1066{ 1081{
1067 *cache = kmem_cache_create(name, size, 0, 0, NULL, NULL); 1082 *cache = kmem_cache_create(name, size, 0, 0, NULL, NULL);
1068 return AE_OK; 1083 if (cache == NULL)
1084 return AE_ERROR;
1085 else
1086 return AE_OK;
1069} 1087}
1070 1088
1071/******************************************************************************* 1089/*******************************************************************************
@@ -1134,16 +1152,63 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object)
1134 * 1152 *
1135 * RETURN: Status 1153 * RETURN: Status
1136 * 1154 *
1137 * DESCRIPTION: Get an object from the specified cache. If cache is empty, 1155 * DESCRIPTION: Return a zero-filled object.
1138 * the object is allocated.
1139 * 1156 *
1140 ******************************************************************************/ 1157 ******************************************************************************/
1141 1158
1142void *acpi_os_acquire_object(acpi_cache_t * cache) 1159void *acpi_os_acquire_object(acpi_cache_t * cache)
1143{ 1160{
1144 void *object = kmem_cache_alloc(cache, GFP_KERNEL); 1161 void *object = kmem_cache_zalloc(cache, GFP_KERNEL);
1145 WARN_ON(!object); 1162 WARN_ON(!object);
1146 return object; 1163 return object;
1147} 1164}
1148 1165
1166/******************************************************************************
1167 *
1168 * FUNCTION: acpi_os_validate_interface
1169 *
1170 * PARAMETERS: interface - Requested interface to be validated
1171 *
1172 * RETURN: AE_OK if interface is supported, AE_SUPPORT otherwise
1173 *
1174 * DESCRIPTION: Match an interface string to the interfaces supported by the
1175 * host. Strings originate from an AML call to the _OSI method.
1176 *
1177 *****************************************************************************/
1178
1179acpi_status
1180acpi_os_validate_interface (char *interface)
1181{
1182
1183 return AE_SUPPORT;
1184}
1185
1186
1187/******************************************************************************
1188 *
1189 * FUNCTION: acpi_os_validate_address
1190 *
1191 * PARAMETERS: space_id - ACPI space ID
1192 * address - Physical address
1193 * length - Address length
1194 *
1195 * RETURN: AE_OK if address/length is valid for the space_id. Otherwise,
1196 * should return AE_AML_ILLEGAL_ADDRESS.
1197 *
1198 * DESCRIPTION: Validate a system address via the host OS. Used to validate
1199 * the addresses accessed by AML operation regions.
1200 *
1201 *****************************************************************************/
1202
1203acpi_status
1204acpi_os_validate_address (
1205 u8 space_id,
1206 acpi_physical_address address,
1207 acpi_size length)
1208{
1209
1210 return AE_OK;
1211}
1212
1213
1149#endif 1214#endif
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
index de573be52718..bf88e076c3e9 100644
--- a/drivers/acpi/parser/psargs.c
+++ b/drivers/acpi/parser/psargs.c
@@ -79,7 +79,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
79 acpi_native_uint byte_count; 79 acpi_native_uint byte_count;
80 u8 byte_zero_mask = 0x3F; /* Default [0:5] */ 80 u8 byte_zero_mask = 0x3F; /* Default [0:5] */
81 81
82 ACPI_FUNCTION_TRACE("ps_get_next_package_length"); 82 ACPI_FUNCTION_TRACE(ps_get_next_package_length);
83 83
84 /* 84 /*
85 * Byte 0 bits [6:7] contain the number of additional bytes 85 * Byte 0 bits [6:7] contain the number of additional bytes
@@ -128,7 +128,7 @@ u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state)
128 u8 *start = parser_state->aml; 128 u8 *start = parser_state->aml;
129 u32 package_length; 129 u32 package_length;
130 130
131 ACPI_FUNCTION_TRACE("ps_get_next_package_end"); 131 ACPI_FUNCTION_TRACE(ps_get_next_package_end);
132 132
133 /* Function below updates parser_state->Aml */ 133 /* Function below updates parser_state->Aml */
134 134
@@ -157,7 +157,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
157 u8 *start = parser_state->aml; 157 u8 *start = parser_state->aml;
158 u8 *end = parser_state->aml; 158 u8 *end = parser_state->aml;
159 159
160 ACPI_FUNCTION_TRACE("ps_get_next_namestring"); 160 ACPI_FUNCTION_TRACE(ps_get_next_namestring);
161 161
162 /* Point past any namestring prefix characters (backslash or carat) */ 162 /* Point past any namestring prefix characters (backslash or carat) */
163 163
@@ -237,7 +237,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
237 struct acpi_namespace_node *node; 237 struct acpi_namespace_node *node;
238 union acpi_generic_state scope_info; 238 union acpi_generic_state scope_info;
239 239
240 ACPI_FUNCTION_TRACE("ps_get_next_namepath"); 240 ACPI_FUNCTION_TRACE(ps_get_next_namepath);
241 241
242 path = acpi_ps_get_next_namestring(parser_state); 242 path = acpi_ps_get_next_namestring(parser_state);
243 acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP); 243 acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP);
@@ -275,6 +275,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
275 */ 275 */
276 if (ACPI_SUCCESS(status) && 276 if (ACPI_SUCCESS(status) &&
277 possible_method_call && (node->type == ACPI_TYPE_METHOD)) { 277 possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
278
278 /* This name is actually a control method invocation */ 279 /* This name is actually a control method invocation */
279 280
280 method_desc = acpi_ns_get_attached_object(node); 281 method_desc = acpi_ns_get_attached_object(node);
@@ -319,6 +320,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
319 * some not_found cases are allowed 320 * some not_found cases are allowed
320 */ 321 */
321 if (status == AE_NOT_FOUND) { 322 if (status == AE_NOT_FOUND) {
323
322 /* 1) not_found is ok during load pass 1/2 (allow forward references) */ 324 /* 1) not_found is ok during load pass 1/2 (allow forward references) */
323 325
324 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) != 326 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) !=
@@ -354,6 +356,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
354 356
355 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) == 357 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
356 ACPI_PARSE_EXECUTE) { 358 ACPI_PARSE_EXECUTE) {
359
357 /* Report a control method execution error */ 360 /* Report a control method execution error */
358 361
359 status = acpi_ds_method_error(status, walk_state); 362 status = acpi_ds_method_error(status, walk_state);
@@ -388,7 +391,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
388 u16 opcode; 391 u16 opcode;
389 u8 *aml = parser_state->aml; 392 u8 *aml = parser_state->aml;
390 393
391 ACPI_FUNCTION_TRACE_U32("ps_get_next_simple_arg", arg_type); 394 ACPI_FUNCTION_TRACE_U32(ps_get_next_simple_arg, arg_type);
392 395
393 switch (arg_type) { 396 switch (arg_type) {
394 case ARGP_BYTEDATA: 397 case ARGP_BYTEDATA:
@@ -453,7 +456,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
453 456
454 default: 457 default:
455 458
456 ACPI_ERROR((AE_INFO, "Invalid arg_type %X", arg_type)); 459 ACPI_ERROR((AE_INFO, "Invalid ArgType %X", arg_type));
457 return_VOID; 460 return_VOID;
458 } 461 }
459 462
@@ -484,7 +487,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
484 u16 opcode; 487 u16 opcode;
485 u32 name; 488 u32 name;
486 489
487 ACPI_FUNCTION_TRACE("ps_get_next_field"); 490 ACPI_FUNCTION_TRACE(ps_get_next_field);
488 491
489 /* Determine field type */ 492 /* Determine field type */
490 493
@@ -590,7 +593,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
590 u32 subop; 593 u32 subop;
591 acpi_status status = AE_OK; 594 acpi_status status = AE_OK;
592 595
593 ACPI_FUNCTION_TRACE_PTR("ps_get_next_arg", parser_state); 596 ACPI_FUNCTION_TRACE_PTR(ps_get_next_arg, parser_state);
594 597
595 switch (arg_type) { 598 switch (arg_type) {
596 case ARGP_BYTEDATA: 599 case ARGP_BYTEDATA:
@@ -620,6 +623,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
620 case ARGP_FIELDLIST: 623 case ARGP_FIELDLIST:
621 624
622 if (parser_state->aml < parser_state->pkg_end) { 625 if (parser_state->aml < parser_state->pkg_end) {
626
623 /* Non-empty list */ 627 /* Non-empty list */
624 628
625 while (parser_state->aml < parser_state->pkg_end) { 629 while (parser_state->aml < parser_state->pkg_end) {
@@ -645,6 +649,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
645 case ARGP_BYTELIST: 649 case ARGP_BYTELIST:
646 650
647 if (parser_state->aml < parser_state->pkg_end) { 651 if (parser_state->aml < parser_state->pkg_end) {
652
648 /* Non-empty list */ 653 /* Non-empty list */
649 654
650 arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP); 655 arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP);
@@ -673,6 +678,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
673 if (subop == 0 || 678 if (subop == 0 ||
674 acpi_ps_is_leading_char(subop) || 679 acpi_ps_is_leading_char(subop) ||
675 acpi_ps_is_prefix_char(subop)) { 680 acpi_ps_is_prefix_char(subop)) {
681
676 /* null_name or name_string */ 682 /* null_name or name_string */
677 683
678 arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP); 684 arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
@@ -703,6 +709,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
703 case ARGP_OBJLIST: 709 case ARGP_OBJLIST:
704 710
705 if (parser_state->aml < parser_state->pkg_end) { 711 if (parser_state->aml < parser_state->pkg_end) {
712
706 /* Non-empty list of variable arguments, nothing returned */ 713 /* Non-empty list of variable arguments, nothing returned */
707 714
708 walk_state->arg_count = ACPI_VAR_ARGS; 715 walk_state->arg_count = ACPI_VAR_ARGS;
@@ -711,7 +718,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
711 718
712 default: 719 default:
713 720
714 ACPI_ERROR((AE_INFO, "Invalid arg_type: %X", arg_type)); 721 ACPI_ERROR((AE_INFO, "Invalid ArgType: %X", arg_type));
715 status = AE_AML_OPERAND_TYPE; 722 status = AE_AML_OPERAND_TYPE;
716 break; 723 break;
717 } 724 }
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index 00b072e15d19..e1541db3753a 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -83,7 +83,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
83 struct acpi_parse_state *parser_state; 83 struct acpi_parse_state *parser_state;
84 u8 *aml_op_start = NULL; 84 u8 *aml_op_start = NULL;
85 85
86 ACPI_FUNCTION_TRACE_PTR("ps_parse_loop", walk_state); 86 ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state);
87 87
88 if (walk_state->descending_callback == NULL) { 88 if (walk_state->descending_callback == NULL) {
89 return_ACPI_STATUS(AE_BAD_PARAMETER); 89 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -95,6 +95,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
95#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY)) 95#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
96 96
97 if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) { 97 if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
98
98 /* We are restarting a preempted control method */ 99 /* We are restarting a preempted control method */
99 100
100 if (acpi_ps_has_completed_scope(parser_state)) { 101 if (acpi_ps_has_completed_scope(parser_state)) {
@@ -128,7 +129,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
128 129
129 } 130 }
130 ACPI_EXCEPTION((AE_INFO, status, 131 ACPI_EXCEPTION((AE_INFO, status,
131 "get_predicate Failed")); 132 "GetPredicate Failed"));
132 return_ACPI_STATUS(status); 133 return_ACPI_STATUS(status);
133 } 134 }
134 135
@@ -143,6 +144,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
143 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 144 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
144 "Popped scope, Op=%p\n", op)); 145 "Popped scope, Op=%p\n", op));
145 } else if (walk_state->prev_op) { 146 } else if (walk_state->prev_op) {
147
146 /* We were in the middle of an op */ 148 /* We were in the middle of an op */
147 149
148 op = walk_state->prev_op; 150 op = walk_state->prev_op;
@@ -156,6 +158,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
156 while ((parser_state->aml < parser_state->aml_end) || (op)) { 158 while ((parser_state->aml < parser_state->aml_end) || (op)) {
157 aml_op_start = parser_state->aml; 159 aml_op_start = parser_state->aml;
158 if (!op) { 160 if (!op) {
161
159 /* Get the next opcode from the AML stream */ 162 /* Get the next opcode from the AML stream */
160 163
161 walk_state->aml_offset = 164 walk_state->aml_offset =
@@ -213,6 +216,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
213 /* Create Op structure and append to parent's argument list */ 216 /* Create Op structure and append to parent's argument list */
214 217
215 if (walk_state->op_info->flags & AML_NAMED) { 218 if (walk_state->op_info->flags & AML_NAMED) {
219
216 /* Allocate a new pre_op if necessary */ 220 /* Allocate a new pre_op if necessary */
217 221
218 if (!pre_op) { 222 if (!pre_op) {
@@ -371,7 +375,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
371 375
372 if (walk_state->op_info) { 376 if (walk_state->op_info) {
373 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 377 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
374 "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n", 378 "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n",
375 (u32) op->common.aml_opcode, 379 (u32) op->common.aml_opcode,
376 walk_state->op_info->name, op, 380 walk_state->op_info->name, op,
377 parser_state->aml, 381 parser_state->aml,
@@ -388,6 +392,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
388 /* Are there any arguments that must be processed? */ 392 /* Are there any arguments that must be processed? */
389 393
390 if (walk_state->arg_types) { 394 if (walk_state->arg_types) {
395
391 /* Get arguments */ 396 /* Get arguments */
392 397
393 switch (op->common.aml_opcode) { 398 switch (op->common.aml_opcode) {
@@ -742,7 +747,19 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
742 if (ACPI_FAILURE(status2)) { 747 if (ACPI_FAILURE(status2)) {
743 return_ACPI_STATUS(status2); 748 return_ACPI_STATUS(status2);
744 } 749 }
750
751 status2 =
752 acpi_ds_result_stack_pop
753 (walk_state);
754 if (ACPI_FAILURE(status2)) {
755 return_ACPI_STATUS(status2);
756 }
757
758 acpi_ut_delete_generic_state
759 (acpi_ut_pop_generic_state
760 (&walk_state->control_state));
745 } 761 }
762
746 acpi_ps_pop_scope(parser_state, &op, 763 acpi_ps_pop_scope(parser_state, &op,
747 &walk_state->arg_types, 764 &walk_state->arg_types,
748 &walk_state->arg_count); 765 &walk_state->arg_count);
@@ -762,6 +779,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
762 return_ACPI_STATUS(status2); 779 return_ACPI_STATUS(status2);
763 } 780 }
764 } 781 }
782
765 acpi_ps_pop_scope(parser_state, &op, 783 acpi_ps_pop_scope(parser_state, &op,
766 &walk_state->arg_types, 784 &walk_state->arg_types,
767 &walk_state->arg_count); 785 &walk_state->arg_count);
@@ -853,6 +871,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
853 } 871 }
854 872
855 else if (ACPI_FAILURE(status)) { 873 else if (ACPI_FAILURE(status)) {
874
856 /* First error is most important */ 875 /* First error is most important */
857 876
858 (void) 877 (void)
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
index 11d6351ab8b2..4bd25e32769f 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/parser/psopcode.c
@@ -725,12 +725,13 @@ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
725 725
726const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) 726const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
727{ 727{
728 ACPI_FUNCTION_NAME("ps_get_opcode_info"); 728 ACPI_FUNCTION_NAME(ps_get_opcode_info);
729 729
730 /* 730 /*
731 * Detect normal 8-bit opcode or extended 16-bit opcode 731 * Detect normal 8-bit opcode or extended 16-bit opcode
732 */ 732 */
733 if (!(opcode & 0xFF00)) { 733 if (!(opcode & 0xFF00)) {
734
734 /* Simple (8-bit) opcode: 0-255, can't index beyond table */ 735 /* Simple (8-bit) opcode: 0-255, can't index beyond table */
735 736
736 return (&acpi_gbl_aml_op_info 737 return (&acpi_gbl_aml_op_info
@@ -739,6 +740,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
739 740
740 if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) && 741 if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
741 (((u8) opcode) <= MAX_EXTENDED_OPCODE)) { 742 (((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
743
742 /* Valid extended (16-bit) opcode */ 744 /* Valid extended (16-bit) opcode */
743 745
744 return (&acpi_gbl_aml_op_info 746 return (&acpi_gbl_aml_op_info
@@ -779,7 +781,7 @@ char *acpi_ps_get_opcode_name(u16 opcode)
779 return (op->name); 781 return (op->name);
780 782
781#else 783#else
782 return ("AE_NOT_CONFIGURED"); 784 return ("OpcodeName unavailable");
783 785
784#endif 786#endif
785} 787}
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index a9f3229f4106..7ee2f2e77525 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -106,6 +106,7 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state)
106 opcode = (u16) ACPI_GET8(aml); 106 opcode = (u16) ACPI_GET8(aml);
107 107
108 if (opcode == AML_EXTENDED_OP_PREFIX) { 108 if (opcode == AML_EXTENDED_OP_PREFIX) {
109
109 /* Extended opcode, get the second opcode byte */ 110 /* Extended opcode, get the second opcode byte */
110 111
111 aml++; 112 aml++;
@@ -137,7 +138,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
137 const struct acpi_opcode_info *parent_info; 138 const struct acpi_opcode_info *parent_info;
138 union acpi_parse_object *replacement_op = NULL; 139 union acpi_parse_object *replacement_op = NULL;
139 140
140 ACPI_FUNCTION_TRACE_PTR("ps_complete_this_op", op); 141 ACPI_FUNCTION_TRACE_PTR(ps_complete_this_op, op);
141 142
142 /* Check for null Op, can happen if AML code is corrupt */ 143 /* Check for null Op, can happen if AML code is corrupt */
143 144
@@ -158,6 +159,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
158 if (op->common.parent) { 159 if (op->common.parent) {
159 prev = op->common.parent->common.value.arg; 160 prev = op->common.parent->common.value.arg;
160 if (!prev) { 161 if (!prev) {
162
161 /* Nothing more to do */ 163 /* Nothing more to do */
162 164
163 goto cleanup; 165 goto cleanup;
@@ -245,6 +247,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
245 /* We must unlink this op from the parent tree */ 247 /* We must unlink this op from the parent tree */
246 248
247 if (prev == op) { 249 if (prev == op) {
250
248 /* This op is the first in the list */ 251 /* This op is the first in the list */
249 252
250 if (replacement_op) { 253 if (replacement_op) {
@@ -265,6 +268,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
265 268
266 else 269 else
267 while (prev) { 270 while (prev) {
271
268 /* Traverse all siblings in the parent's argument list */ 272 /* Traverse all siblings in the parent's argument list */
269 273
270 next = prev->common.next; 274 next = prev->common.next;
@@ -329,7 +333,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
329 struct acpi_parse_state *parser_state = &walk_state->parser_state; 333 struct acpi_parse_state *parser_state = &walk_state->parser_state;
330 acpi_status status = AE_CTRL_PENDING; 334 acpi_status status = AE_CTRL_PENDING;
331 335
332 ACPI_FUNCTION_TRACE_PTR("ps_next_parse_state", op); 336 ACPI_FUNCTION_TRACE_PTR(ps_next_parse_state, op);
333 337
334 switch (callback_status) { 338 switch (callback_status) {
335 case AE_CTRL_TERMINATE: 339 case AE_CTRL_TERMINATE:
@@ -449,10 +453,10 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
449 struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list; 453 struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list;
450 struct acpi_walk_state *previous_walk_state; 454 struct acpi_walk_state *previous_walk_state;
451 455
452 ACPI_FUNCTION_TRACE("ps_parse_aml"); 456 ACPI_FUNCTION_TRACE(ps_parse_aml);
453 457
454 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 458 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
455 "Entered with walk_state=%p Aml=%p size=%X\n", 459 "Entered with WalkState=%p Aml=%p size=%X\n",
456 walk_state, walk_state->parser_state.aml, 460 walk_state, walk_state->parser_state.aml,
457 walk_state->parser_state.aml_size)); 461 walk_state->parser_state.aml_size));
458 462
@@ -460,6 +464,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
460 464
461 thread = acpi_ut_create_thread_state(); 465 thread = acpi_ut_create_thread_state();
462 if (!thread) { 466 if (!thread) {
467 acpi_ds_delete_walk_state(walk_state);
463 return_ACPI_STATUS(AE_NO_MEMORY); 468 return_ACPI_STATUS(AE_NO_MEMORY);
464 } 469 }
465 470
@@ -510,6 +515,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
510 } else if (status == AE_CTRL_TERMINATE) { 515 } else if (status == AE_CTRL_TERMINATE) {
511 status = AE_OK; 516 status = AE_OK;
512 } else if ((status != AE_OK) && (walk_state->method_desc)) { 517 } else if ((status != AE_OK) && (walk_state->method_desc)) {
518
513 /* Either the method parse or actual execution failed */ 519 /* Either the method parse or actual execution failed */
514 520
515 ACPI_ERROR_METHOD("Method parse/execution failed", 521 ACPI_ERROR_METHOD("Method parse/execution failed",
@@ -550,20 +556,9 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
550 */ 556 */
551 if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) == 557 if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
552 ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) { 558 ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
553 if (walk_state->method_desc) { 559 acpi_ds_terminate_control_method(walk_state->
554 /* Decrement the thread count on the method parse tree */ 560 method_desc,
555 561 walk_state);
556 if (walk_state->method_desc->method.
557 thread_count) {
558 walk_state->method_desc->method.
559 thread_count--;
560 } else {
561 ACPI_ERROR((AE_INFO,
562 "Invalid zero thread count in method"));
563 }
564 }
565
566 acpi_ds_terminate_control_method(walk_state);
567 } 562 }
568 563
569 /* Delete this walk state and all linked control states */ 564 /* Delete this walk state and all linked control states */
@@ -572,7 +567,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
572 previous_walk_state = walk_state; 567 previous_walk_state = walk_state;
573 568
574 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 569 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
575 "return_value=%p, implicit_value=%p State=%p\n", 570 "ReturnValue=%p, ImplicitValue=%p State=%p\n",
576 walk_state->return_desc, 571 walk_state->return_desc,
577 walk_state->implicit_return_obj, walk_state)); 572 walk_state->implicit_return_obj, walk_state));
578 573
@@ -633,12 +628,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
633 } 628 }
634 } else { 629 } else {
635 if (previous_walk_state->return_desc) { 630 if (previous_walk_state->return_desc) {
631
636 /* Caller doesn't want it, must delete it */ 632 /* Caller doesn't want it, must delete it */
637 633
638 acpi_ut_remove_reference(previous_walk_state-> 634 acpi_ut_remove_reference(previous_walk_state->
639 return_desc); 635 return_desc);
640 } 636 }
641 if (previous_walk_state->implicit_return_obj) { 637 if (previous_walk_state->implicit_return_obj) {
638
642 /* Caller doesn't want it, must delete it */ 639 /* Caller doesn't want it, must delete it */
643 640
644 acpi_ut_remove_reference(previous_walk_state-> 641 acpi_ut_remove_reference(previous_walk_state->
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c
index bc6047caccd9..a3e0314de24d 100644
--- a/drivers/acpi/parser/psscope.c
+++ b/drivers/acpi/parser/psscope.c
@@ -106,14 +106,14 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state,
106{ 106{
107 union acpi_generic_state *scope; 107 union acpi_generic_state *scope;
108 108
109 ACPI_FUNCTION_TRACE_PTR("ps_init_scope", root_op); 109 ACPI_FUNCTION_TRACE_PTR(ps_init_scope, root_op);
110 110
111 scope = acpi_ut_create_generic_state(); 111 scope = acpi_ut_create_generic_state();
112 if (!scope) { 112 if (!scope) {
113 return_ACPI_STATUS(AE_NO_MEMORY); 113 return_ACPI_STATUS(AE_NO_MEMORY);
114 } 114 }
115 115
116 scope->common.data_type = ACPI_DESC_TYPE_STATE_RPSCOPE; 116 scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_RPSCOPE;
117 scope->parse_scope.op = root_op; 117 scope->parse_scope.op = root_op;
118 scope->parse_scope.arg_count = ACPI_VAR_ARGS; 118 scope->parse_scope.arg_count = ACPI_VAR_ARGS;
119 scope->parse_scope.arg_end = parser_state->aml_end; 119 scope->parse_scope.arg_end = parser_state->aml_end;
@@ -147,14 +147,14 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state,
147{ 147{
148 union acpi_generic_state *scope; 148 union acpi_generic_state *scope;
149 149
150 ACPI_FUNCTION_TRACE_PTR("ps_push_scope", op); 150 ACPI_FUNCTION_TRACE_PTR(ps_push_scope, op);
151 151
152 scope = acpi_ut_create_generic_state(); 152 scope = acpi_ut_create_generic_state();
153 if (!scope) { 153 if (!scope) {
154 return_ACPI_STATUS(AE_NO_MEMORY); 154 return_ACPI_STATUS(AE_NO_MEMORY);
155 } 155 }
156 156
157 scope->common.data_type = ACPI_DESC_TYPE_STATE_PSCOPE; 157 scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_PSCOPE;
158 scope->parse_scope.op = op; 158 scope->parse_scope.op = op;
159 scope->parse_scope.arg_list = remaining_args; 159 scope->parse_scope.arg_list = remaining_args;
160 scope->parse_scope.arg_count = arg_count; 160 scope->parse_scope.arg_count = arg_count;
@@ -165,6 +165,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state,
165 acpi_ut_push_generic_state(&parser_state->scope, scope); 165 acpi_ut_push_generic_state(&parser_state->scope, scope);
166 166
167 if (arg_count == ACPI_VAR_ARGS) { 167 if (arg_count == ACPI_VAR_ARGS) {
168
168 /* Multiple arguments */ 169 /* Multiple arguments */
169 170
170 scope->parse_scope.arg_end = parser_state->pkg_end; 171 scope->parse_scope.arg_end = parser_state->pkg_end;
@@ -199,14 +200,14 @@ acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
199{ 200{
200 union acpi_generic_state *scope = parser_state->scope; 201 union acpi_generic_state *scope = parser_state->scope;
201 202
202 ACPI_FUNCTION_TRACE("ps_pop_scope"); 203 ACPI_FUNCTION_TRACE(ps_pop_scope);
203 204
204 /* Only pop the scope if there is in fact a next scope */ 205 /* Only pop the scope if there is in fact a next scope */
205 206
206 if (scope->common.next) { 207 if (scope->common.next) {
207 scope = acpi_ut_pop_generic_state(&parser_state->scope); 208 scope = acpi_ut_pop_generic_state(&parser_state->scope);
208 209
209 /* return to parsing previous op */ 210 /* Return to parsing previous op */
210 211
211 *op = scope->parse_scope.op; 212 *op = scope->parse_scope.op;
212 *arg_list = scope->parse_scope.arg_list; 213 *arg_list = scope->parse_scope.arg_list;
@@ -217,7 +218,7 @@ acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
217 218
218 acpi_ut_delete_generic_state(scope); 219 acpi_ut_delete_generic_state(scope);
219 } else { 220 } else {
220 /* empty parse stack, prepare to fetch next opcode */ 221 /* Empty parse stack, prepare to fetch next opcode */
221 222
222 *op = NULL; 223 *op = NULL;
223 *arg_list = 0; 224 *arg_list = 0;
@@ -246,7 +247,7 @@ void acpi_ps_cleanup_scope(struct acpi_parse_state *parser_state)
246{ 247{
247 union acpi_generic_state *scope; 248 union acpi_generic_state *scope;
248 249
249 ACPI_FUNCTION_TRACE_PTR("ps_cleanup_scope", parser_state); 250 ACPI_FUNCTION_TRACE_PTR(ps_cleanup_scope, parser_state);
250 251
251 if (!parser_state) { 252 if (!parser_state) {
252 return_VOID; 253 return_VOID;
diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c
index dd6f16726fc4..0015717ef096 100644
--- a/drivers/acpi/parser/pstree.c
+++ b/drivers/acpi/parser/pstree.c
@@ -77,6 +77,7 @@ union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn)
77 77
78 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode); 78 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
79 if (op_info->class == AML_CLASS_UNKNOWN) { 79 if (op_info->class == AML_CLASS_UNKNOWN) {
80
80 /* Invalid opcode or ASCII character */ 81 /* Invalid opcode or ASCII character */
81 82
82 return (NULL); 83 return (NULL);
@@ -85,6 +86,7 @@ union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn)
85 /* Check if this opcode requires argument sub-objects */ 86 /* Check if this opcode requires argument sub-objects */
86 87
87 if (!(op_info->flags & AML_HAS_ARGS)) { 88 if (!(op_info->flags & AML_HAS_ARGS)) {
89
88 /* Has no linked argument objects */ 90 /* Has no linked argument objects */
89 91
90 return (NULL); 92 return (NULL);
@@ -130,6 +132,7 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
130 132
131 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode); 133 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
132 if (op_info->class == AML_CLASS_UNKNOWN) { 134 if (op_info->class == AML_CLASS_UNKNOWN) {
135
133 /* Invalid opcode */ 136 /* Invalid opcode */
134 137
135 ACPI_ERROR((AE_INFO, "Invalid AML Opcode: 0x%2.2X", 138 ACPI_ERROR((AE_INFO, "Invalid AML Opcode: 0x%2.2X",
@@ -140,6 +143,7 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
140 /* Check if this opcode requires argument sub-objects */ 143 /* Check if this opcode requires argument sub-objects */
141 144
142 if (!(op_info->flags & AML_HAS_ARGS)) { 145 if (!(op_info->flags & AML_HAS_ARGS)) {
146
143 /* Has no linked argument objects */ 147 /* Has no linked argument objects */
144 148
145 return; 149 return;
@@ -148,6 +152,7 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
148 /* Append the argument to the linked argument list */ 152 /* Append the argument to the linked argument list */
149 153
150 if (op->common.value.arg) { 154 if (op->common.value.arg) {
155
151 /* Append to existing argument list */ 156 /* Append to existing argument list */
152 157
153 prev_arg = op->common.value.arg; 158 prev_arg = op->common.value.arg;
@@ -222,12 +227,14 @@ union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
222 } 227 }
223 228
224 if (arg == origin) { 229 if (arg == origin) {
230
225 /* Reached parent of origin, end search */ 231 /* Reached parent of origin, end search */
226 232
227 return (NULL); 233 return (NULL);
228 } 234 }
229 235
230 if (parent->common.next) { 236 if (parent->common.next) {
237
231 /* Found sibling of parent */ 238 /* Found sibling of parent */
232 239
233 return (parent->common.next); 240 return (parent->common.next);
@@ -299,5 +306,4 @@ union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op)
299 return (child); 306 return (child);
300} 307}
301#endif 308#endif
302
303#endif /* ACPI_FUTURE_USAGE */ 309#endif /* ACPI_FUTURE_USAGE */
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index 3e07cb9cb748..182474ae8ce9 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -89,7 +89,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode)
89{ 89{
90 ACPI_FUNCTION_ENTRY(); 90 ACPI_FUNCTION_ENTRY();
91 91
92 op->common.data_type = ACPI_DESC_TYPE_PARSER; 92 op->common.descriptor_type = ACPI_DESC_TYPE_PARSER;
93 op->common.aml_opcode = opcode; 93 op->common.aml_opcode = opcode;
94 94
95 ACPI_DISASM_ONLY_MEMBERS(ACPI_STRNCPY(op->common.aml_op_name, 95 ACPI_DISASM_ONLY_MEMBERS(ACPI_STRNCPY(op->common.aml_op_name,
@@ -135,6 +135,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode)
135 /* Allocate the minimum required size object */ 135 /* Allocate the minimum required size object */
136 136
137 if (flags == ACPI_PARSEOP_GENERIC) { 137 if (flags == ACPI_PARSEOP_GENERIC) {
138
138 /* The generic op (default) is by far the most common (16 to 1) */ 139 /* The generic op (default) is by far the most common (16 to 1) */
139 140
140 op = acpi_os_acquire_object(acpi_gbl_ps_node_cache); 141 op = acpi_os_acquire_object(acpi_gbl_ps_node_cache);
@@ -171,7 +172,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode)
171 172
172void acpi_ps_free_op(union acpi_parse_object *op) 173void acpi_ps_free_op(union acpi_parse_object *op)
173{ 174{
174 ACPI_FUNCTION_NAME("ps_free_op"); 175 ACPI_FUNCTION_NAME(ps_free_op);
175 176
176 if (op->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { 177 if (op->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
177 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n", 178 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n",
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c
index 06f05bfd7612..a84a547a0f1b 100644
--- a/drivers/acpi/parser/pswalk.c
+++ b/drivers/acpi/parser/pswalk.c
@@ -64,18 +64,21 @@ void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root)
64 union acpi_parse_object *next = NULL; 64 union acpi_parse_object *next = NULL;
65 union acpi_parse_object *parent = NULL; 65 union acpi_parse_object *parent = NULL;
66 66
67 ACPI_FUNCTION_TRACE_PTR("ps_delete_parse_tree", subtree_root); 67 ACPI_FUNCTION_TRACE_PTR(ps_delete_parse_tree, subtree_root);
68 68
69 /* Visit all nodes in the subtree */ 69 /* Visit all nodes in the subtree */
70 70
71 while (op) { 71 while (op) {
72
72 /* Check if we are not ascending */ 73 /* Check if we are not ascending */
73 74
74 if (op != parent) { 75 if (op != parent) {
76
75 /* Look for an argument or child of the current op */ 77 /* Look for an argument or child of the current op */
76 78
77 next = acpi_ps_get_arg(op, 0); 79 next = acpi_ps_get_arg(op, 0);
78 if (next) { 80 if (next) {
81
79 /* Still going downward in tree (Op is not completed yet) */ 82 /* Still going downward in tree (Op is not completed yet) */
80 83
81 op = next; 84 op = next;
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 2dd48cbb7c02..5d996c1140af 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -50,14 +50,14 @@
50ACPI_MODULE_NAME("psxface") 50ACPI_MODULE_NAME("psxface")
51 51
52/* Local Prototypes */ 52/* Local Prototypes */
53static void acpi_ps_start_trace(struct acpi_parameter_info *info); 53static void acpi_ps_start_trace(struct acpi_evaluate_info *info);
54 54
55static void acpi_ps_stop_trace(struct acpi_parameter_info *info); 55static void acpi_ps_stop_trace(struct acpi_evaluate_info *info);
56 56
57static acpi_status acpi_ps_execute_pass(struct acpi_parameter_info *info); 57static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info);
58 58
59static void 59static void
60acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action); 60acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action);
61 61
62/******************************************************************************* 62/*******************************************************************************
63 * 63 *
@@ -113,7 +113,7 @@ acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags)
113 * 113 *
114 ******************************************************************************/ 114 ******************************************************************************/
115 115
116static void acpi_ps_start_trace(struct acpi_parameter_info *info) 116static void acpi_ps_start_trace(struct acpi_evaluate_info *info)
117{ 117{
118 acpi_status status; 118 acpi_status status;
119 119
@@ -125,7 +125,7 @@ static void acpi_ps_start_trace(struct acpi_parameter_info *info)
125 } 125 }
126 126
127 if ((!acpi_gbl_trace_method_name) || 127 if ((!acpi_gbl_trace_method_name) ||
128 (acpi_gbl_trace_method_name != info->node->name.integer)) { 128 (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
129 goto exit; 129 goto exit;
130 } 130 }
131 131
@@ -158,7 +158,7 @@ static void acpi_ps_start_trace(struct acpi_parameter_info *info)
158 * 158 *
159 ******************************************************************************/ 159 ******************************************************************************/
160 160
161static void acpi_ps_stop_trace(struct acpi_parameter_info *info) 161static void acpi_ps_stop_trace(struct acpi_evaluate_info *info)
162{ 162{
163 acpi_status status; 163 acpi_status status;
164 164
@@ -170,7 +170,7 @@ static void acpi_ps_stop_trace(struct acpi_parameter_info *info)
170 } 170 }
171 171
172 if ((!acpi_gbl_trace_method_name) || 172 if ((!acpi_gbl_trace_method_name) ||
173 (acpi_gbl_trace_method_name != info->node->name.integer)) { 173 (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
174 goto exit; 174 goto exit;
175 } 175 }
176 176
@@ -212,22 +212,23 @@ static void acpi_ps_stop_trace(struct acpi_parameter_info *info)
212 * 212 *
213 ******************************************************************************/ 213 ******************************************************************************/
214 214
215acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info) 215acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
216{ 216{
217 acpi_status status; 217 acpi_status status;
218 218
219 ACPI_FUNCTION_TRACE("ps_execute_method"); 219 ACPI_FUNCTION_TRACE(ps_execute_method);
220 220
221 /* Validate the Info and method Node */ 221 /* Validate the Info and method Node */
222 222
223 if (!info || !info->node) { 223 if (!info || !info->resolved_node) {
224 return_ACPI_STATUS(AE_NULL_ENTRY); 224 return_ACPI_STATUS(AE_NULL_ENTRY);
225 } 225 }
226 226
227 /* Init for new method, wait on concurrency semaphore */ 227 /* Init for new method, wait on concurrency semaphore */
228 228
229 status = 229 status =
230 acpi_ds_begin_method_execution(info->node, info->obj_desc, NULL); 230 acpi_ds_begin_method_execution(info->resolved_node, info->obj_desc,
231 NULL);
231 if (ACPI_FAILURE(status)) { 232 if (ACPI_FAILURE(status)) {
232 return_ACPI_STATUS(status); 233 return_ACPI_STATUS(status);
233 } 234 }
@@ -248,7 +249,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
248 */ 249 */
249 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 250 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
250 "**** Begin Method Parse **** Entry=%p obj=%p\n", 251 "**** Begin Method Parse **** Entry=%p obj=%p\n",
251 info->node, info->obj_desc)); 252 info->resolved_node, info->obj_desc));
252 253
253 info->pass_number = 1; 254 info->pass_number = 1;
254 status = acpi_ps_execute_pass(info); 255 status = acpi_ps_execute_pass(info);
@@ -261,7 +262,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
261 */ 262 */
262 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 263 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
263 "**** Begin Method Execution **** Entry=%p obj=%p\n", 264 "**** Begin Method Execution **** Entry=%p obj=%p\n",
264 info->node, info->obj_desc)); 265 info->resolved_node, info->obj_desc));
265 266
266 info->pass_number = 3; 267 info->pass_number = 3;
267 status = acpi_ps_execute_pass(info); 268 status = acpi_ps_execute_pass(info);
@@ -286,8 +287,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
286 * a control exception code 287 * a control exception code
287 */ 288 */
288 if (info->return_object) { 289 if (info->return_object) {
289 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, 290 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
290 "Method returned obj_desc=%p\n",
291 info->return_object)); 291 info->return_object));
292 ACPI_DUMP_STACK_ENTRY(info->return_object); 292 ACPI_DUMP_STACK_ENTRY(info->return_object);
293 293
@@ -301,7 +301,7 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
301 * 301 *
302 * FUNCTION: acpi_ps_update_parameter_list 302 * FUNCTION: acpi_ps_update_parameter_list
303 * 303 *
304 * PARAMETERS: Info - See struct acpi_parameter_info 304 * PARAMETERS: Info - See struct acpi_evaluate_info
305 * (Used: parameter_type and Parameters) 305 * (Used: parameter_type and Parameters)
306 * Action - Add or Remove reference 306 * Action - Add or Remove reference
307 * 307 *
@@ -312,14 +312,16 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info)
312 ******************************************************************************/ 312 ******************************************************************************/
313 313
314static void 314static void
315acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action) 315acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
316{ 316{
317 acpi_native_uint i; 317 acpi_native_uint i;
318 318
319 if ((info->parameter_type == ACPI_PARAM_ARGS) && (info->parameters)) { 319 if ((info->parameter_type == ACPI_PARAM_ARGS) && (info->parameters)) {
320
320 /* Update reference count for each parameter */ 321 /* Update reference count for each parameter */
321 322
322 for (i = 0; info->parameters[i]; i++) { 323 for (i = 0; info->parameters[i]; i++) {
324
323 /* Ignore errors, just do them all */ 325 /* Ignore errors, just do them all */
324 326
325 (void)acpi_ut_update_object_reference(info-> 327 (void)acpi_ut_update_object_reference(info->
@@ -333,7 +335,7 @@ acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action)
333 * 335 *
334 * FUNCTION: acpi_ps_execute_pass 336 * FUNCTION: acpi_ps_execute_pass
335 * 337 *
336 * PARAMETERS: Info - See struct acpi_parameter_info 338 * PARAMETERS: Info - See struct acpi_evaluate_info
337 * (Used: pass_number, Node, and obj_desc) 339 * (Used: pass_number, Node, and obj_desc)
338 * 340 *
339 * RETURN: Status 341 * RETURN: Status
@@ -342,13 +344,13 @@ acpi_ps_update_parameter_list(struct acpi_parameter_info *info, u16 action)
342 * 344 *
343 ******************************************************************************/ 345 ******************************************************************************/
344 346
345static acpi_status acpi_ps_execute_pass(struct acpi_parameter_info *info) 347static acpi_status acpi_ps_execute_pass(struct acpi_evaluate_info *info)
346{ 348{
347 acpi_status status; 349 acpi_status status;
348 union acpi_parse_object *op; 350 union acpi_parse_object *op;
349 struct acpi_walk_state *walk_state; 351 struct acpi_walk_state *walk_state;
350 352
351 ACPI_FUNCTION_TRACE("ps_execute_pass"); 353 ACPI_FUNCTION_TRACE(ps_execute_pass);
352 354
353 /* Create and init a Root Node */ 355 /* Create and init a Root Node */
354 356
@@ -367,7 +369,7 @@ static acpi_status acpi_ps_execute_pass(struct acpi_parameter_info *info)
367 goto cleanup; 369 goto cleanup;
368 } 370 }
369 371
370 status = acpi_ds_init_aml_walk(walk_state, op, info->node, 372 status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
371 info->obj_desc->method.aml_start, 373 info->obj_desc->method.aml_start,
372 info->obj_desc->method.aml_length, 374 info->obj_desc->method.aml_length,
373 info->pass_number == 1 ? NULL : info, 375 info->pass_number == 1 ? NULL : info,
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 4038dbfa63a0..cf87b0230026 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -78,6 +78,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
78 ACPI_FUNCTION_ENTRY(); 78 ACPI_FUNCTION_ENTRY();
79 79
80 for (bits_set = 0; bit_field; bits_set++) { 80 for (bits_set = 0; bit_field; bits_set++) {
81
81 /* Zero the least significant bit that is set */ 82 /* Zero the least significant bit that is set */
82 83
83 bit_field &= (bit_field - 1); 84 bit_field &= (bit_field - 1);
@@ -154,15 +155,18 @@ acpi_rs_stream_option_length(u32 resource_length,
154 * length, minus one byte for the resource_source_index itself. 155 * length, minus one byte for the resource_source_index itself.
155 */ 156 */
156 if (resource_length > minimum_aml_resource_length) { 157 if (resource_length > minimum_aml_resource_length) {
158
157 /* Compute the length of the optional string */ 159 /* Compute the length of the optional string */
158 160
159 string_length = 161 string_length =
160 resource_length - minimum_aml_resource_length - 1; 162 resource_length - minimum_aml_resource_length - 1;
161 } 163 }
162 164
163 /* Round up length to 32 bits for internal structure alignment */ 165 /*
164 166 * Round the length up to a multiple of the native word in order to
165 return (ACPI_ROUND_UP_to_32_bITS(string_length)); 167 * guarantee that the entire resource descriptor is native word aligned
168 */
169 return ((u32) ACPI_ROUND_UP_TO_NATIVE_WORD(string_length));
166} 170}
167 171
168/******************************************************************************* 172/*******************************************************************************
@@ -186,11 +190,12 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
186 acpi_size aml_size_needed = 0; 190 acpi_size aml_size_needed = 0;
187 acpi_rs_length total_size; 191 acpi_rs_length total_size;
188 192
189 ACPI_FUNCTION_TRACE("rs_get_aml_length"); 193 ACPI_FUNCTION_TRACE(rs_get_aml_length);
190 194
191 /* Traverse entire list of internal resource descriptors */ 195 /* Traverse entire list of internal resource descriptors */
192 196
193 while (resource) { 197 while (resource) {
198
194 /* Validate the descriptor type */ 199 /* Validate the descriptor type */
195 200
196 if (resource->type > ACPI_RESOURCE_TYPE_MAX) { 201 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -214,6 +219,7 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed)
214 * is a Large Resource data type. 219 * is a Large Resource data type.
215 */ 220 */
216 if (resource->data.vendor.byte_length > 7) { 221 if (resource->data.vendor.byte_length > 7) {
222
217 /* Base size of a Large resource descriptor */ 223 /* Base size of a Large resource descriptor */
218 224
219 total_size = 225 total_size =
@@ -332,20 +338,22 @@ acpi_rs_get_list_length(u8 * aml_buffer,
332 acpi_status status; 338 acpi_status status;
333 u8 *end_aml; 339 u8 *end_aml;
334 u8 *buffer; 340 u8 *buffer;
335 u32 buffer_size = 0; 341 u32 buffer_size;
336 u16 temp16; 342 u16 temp16;
337 u16 resource_length; 343 u16 resource_length;
338 u32 extra_struct_bytes; 344 u32 extra_struct_bytes;
339 u8 resource_index; 345 u8 resource_index;
340 u8 minimum_aml_resource_length; 346 u8 minimum_aml_resource_length;
341 347
342 ACPI_FUNCTION_TRACE("rs_get_list_length"); 348 ACPI_FUNCTION_TRACE(rs_get_list_length);
343 349
350 *size_needed = 0;
344 end_aml = aml_buffer + aml_buffer_length; 351 end_aml = aml_buffer + aml_buffer_length;
345 352
346 /* Walk the list of AML resource descriptors */ 353 /* Walk the list of AML resource descriptors */
347 354
348 while (aml_buffer < end_aml) { 355 while (aml_buffer < end_aml) {
356
349 /* Validate the Resource Type and Resource Length */ 357 /* Validate the Resource Type and Resource Length */
350 358
351 status = acpi_ut_validate_resource(aml_buffer, &resource_index); 359 status = acpi_ut_validate_resource(aml_buffer, &resource_index);
@@ -386,35 +394,28 @@ acpi_rs_get_list_length(u8 * aml_buffer,
386 break; 394 break;
387 395
388 case ACPI_RESOURCE_NAME_VENDOR_SMALL: 396 case ACPI_RESOURCE_NAME_VENDOR_SMALL:
397 case ACPI_RESOURCE_NAME_VENDOR_LARGE:
389 /* 398 /*
390 * Vendor Resource: 399 * Vendor Resource:
391 * Ensure a 32-bit boundary for the structure 400 * Get the number of vendor data bytes
392 */ 401 */
393 extra_struct_bytes = 402 extra_struct_bytes = resource_length;
394 ACPI_ROUND_UP_to_32_bITS(resource_length);
395 break; 403 break;
396 404
397 case ACPI_RESOURCE_NAME_END_TAG: 405 case ACPI_RESOURCE_NAME_END_TAG:
398 /* 406 /*
399 * End Tag: This is the normal exit, add size of end_tag 407 * End Tag:
408 * This is the normal exit, add size of end_tag
400 */ 409 */
401 *size_needed = buffer_size + ACPI_RS_SIZE_MIN; 410 *size_needed += ACPI_RS_SIZE_MIN;
402 return_ACPI_STATUS(AE_OK); 411 return_ACPI_STATUS(AE_OK);
403 412
404 case ACPI_RESOURCE_NAME_VENDOR_LARGE:
405 /*
406 * Vendor Resource:
407 * Add vendor data and ensure a 32-bit boundary for the structure
408 */
409 extra_struct_bytes =
410 ACPI_ROUND_UP_to_32_bITS(resource_length);
411 break;
412
413 case ACPI_RESOURCE_NAME_ADDRESS32: 413 case ACPI_RESOURCE_NAME_ADDRESS32:
414 case ACPI_RESOURCE_NAME_ADDRESS16: 414 case ACPI_RESOURCE_NAME_ADDRESS16:
415 case ACPI_RESOURCE_NAME_ADDRESS64:
415 /* 416 /*
416 * 32-Bit or 16-bit Address Resource: 417 * Address Resource:
417 * Add the size of any optional data (resource_source) 418 * Add the size of the optional resource_source
418 */ 419 */
419 extra_struct_bytes = 420 extra_struct_bytes =
420 acpi_rs_stream_option_length(resource_length, 421 acpi_rs_stream_option_length(resource_length,
@@ -423,50 +424,46 @@ acpi_rs_get_list_length(u8 * aml_buffer,
423 424
424 case ACPI_RESOURCE_NAME_EXTENDED_IRQ: 425 case ACPI_RESOURCE_NAME_EXTENDED_IRQ:
425 /* 426 /*
426 * Extended IRQ: 427 * Extended IRQ Resource:
427 * Point past the interrupt_vector_flags to get the 428 * Using the interrupt_table_length, add 4 bytes for each additional
428 * interrupt_table_length. 429 * interrupt. Note: at least one interrupt is required and is
430 * included in the minimum descriptor size (reason for the -1)
429 */ 431 */
430 buffer++; 432 extra_struct_bytes = (buffer[1] - 1) * sizeof(u32);
431 433
432 extra_struct_bytes = 434 /* Add the size of the optional resource_source */
433 /* 435
434 * Add 4 bytes for each additional interrupt. Note: at 436 extra_struct_bytes +=
435 * least one interrupt is required and is included in
436 * the minimum descriptor size
437 */
438 ((*buffer - 1) * sizeof(u32)) +
439 /* Add the size of any optional data (resource_source) */
440 acpi_rs_stream_option_length(resource_length - 437 acpi_rs_stream_option_length(resource_length -
441 extra_struct_bytes, 438 extra_struct_bytes,
442 minimum_aml_resource_length); 439 minimum_aml_resource_length);
443 break; 440 break;
444 441
445 case ACPI_RESOURCE_NAME_ADDRESS64:
446 /*
447 * 64-Bit Address Resource:
448 * Add the size of any optional data (resource_source)
449 * Ensure a 64-bit boundary for the structure
450 */
451 extra_struct_bytes =
452 ACPI_ROUND_UP_to_64_bITS
453 (acpi_rs_stream_option_length
454 (resource_length, minimum_aml_resource_length));
455 break;
456
457 default: 442 default:
458 break; 443 break;
459 } 444 }
460 445
461 /* Update the required buffer size for the internal descriptor structs */ 446 /*
447 * Update the required buffer size for the internal descriptor structs
448 *
449 * Important: Round the size up for the appropriate alignment. This
450 * is a requirement on IA64.
451 */
452 buffer_size = acpi_gbl_resource_struct_sizes[resource_index] +
453 extra_struct_bytes;
454 buffer_size = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size);
462 455
463 temp16 = (u16) (acpi_gbl_resource_struct_sizes[resource_index] + 456 *size_needed += buffer_size;
464 extra_struct_bytes); 457
465 buffer_size += (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(temp16); 458 ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
459 "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
460 acpi_ut_get_resource_type(aml_buffer),
461 acpi_ut_get_descriptor_length(aml_buffer),
462 buffer_size));
466 463
467 /* 464 /*
468 * Point to the next resource within the stream 465 * Point to the next resource within the AML stream using the length
469 * using the size of the header plus the length contained in the header 466 * contained in the resource descriptor header
470 */ 467 */
471 aml_buffer += acpi_ut_get_descriptor_length(aml_buffer); 468 aml_buffer += acpi_ut_get_descriptor_length(aml_buffer);
472 } 469 }
@@ -506,7 +503,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
506 u8 name_found; 503 u8 name_found;
507 u32 table_index; 504 u32 table_index;
508 505
509 ACPI_FUNCTION_TRACE("rs_get_pci_routing_table_length"); 506 ACPI_FUNCTION_TRACE(rs_get_pci_routing_table_length);
510 507
511 number_of_elements = package_object->package.count; 508 number_of_elements = package_object->package.count;
512 509
@@ -523,6 +520,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
523 top_object_list = package_object->package.elements; 520 top_object_list = package_object->package.elements;
524 521
525 for (index = 0; index < number_of_elements; index++) { 522 for (index = 0; index < number_of_elements; index++) {
523
526 /* Dereference the sub-package */ 524 /* Dereference the sub-package */
527 525
528 package_element = *top_object_list; 526 package_element = *top_object_list;
@@ -581,7 +579,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
581 579
582 /* Round up the size since each element must be aligned */ 580 /* Round up the size since each element must be aligned */
583 581
584 temp_size_needed = ACPI_ROUND_UP_to_64_bITS(temp_size_needed); 582 temp_size_needed = ACPI_ROUND_UP_TO_64BIT(temp_size_needed);
585 583
586 /* Point to the next union acpi_operand_object */ 584 /* Point to the next union acpi_operand_object */
587 585
@@ -589,7 +587,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
589 } 587 }
590 588
591 /* 589 /*
592 * Adding an extra element to the end of the list, essentially a 590 * Add an extra element to the end of the list, essentially a
593 * NULL terminator 591 * NULL terminator
594 */ 592 */
595 *buffer_size_needed = 593 *buffer_size_needed =
diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c
index 8c128dea3252..008058acdd39 100644
--- a/drivers/acpi/resources/rscreate.c
+++ b/drivers/acpi/resources/rscreate.c
@@ -75,10 +75,11 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
75 u8 *aml_start; 75 u8 *aml_start;
76 acpi_size list_size_needed = 0; 76 acpi_size list_size_needed = 0;
77 u32 aml_buffer_length; 77 u32 aml_buffer_length;
78 void *resource;
78 79
79 ACPI_FUNCTION_TRACE("rs_create_resource_list"); 80 ACPI_FUNCTION_TRACE(rs_create_resource_list);
80 81
81 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_buffer = %p\n", aml_buffer)); 82 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlBuffer = %p\n", aml_buffer));
82 83
83 /* Params already validated, so we don't re-validate here */ 84 /* Params already validated, so we don't re-validate here */
84 85
@@ -92,7 +93,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
92 status = acpi_rs_get_list_length(aml_start, aml_buffer_length, 93 status = acpi_rs_get_list_length(aml_start, aml_buffer_length,
93 &list_size_needed); 94 &list_size_needed);
94 95
95 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X list_size_needed=%X\n", 96 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Status=%X ListSizeNeeded=%X\n",
96 status, (u32) list_size_needed)); 97 status, (u32) list_size_needed));
97 if (ACPI_FAILURE(status)) { 98 if (ACPI_FAILURE(status)) {
98 return_ACPI_STATUS(status); 99 return_ACPI_STATUS(status);
@@ -107,13 +108,15 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
107 108
108 /* Do the conversion */ 109 /* Do the conversion */
109 110
110 status = acpi_rs_convert_aml_to_resources(aml_start, aml_buffer_length, 111 resource = output_buffer->pointer;
111 output_buffer->pointer); 112 status = acpi_ut_walk_aml_resources(aml_start, aml_buffer_length,
113 acpi_rs_convert_aml_to_resources,
114 &resource);
112 if (ACPI_FAILURE(status)) { 115 if (ACPI_FAILURE(status)) {
113 return_ACPI_STATUS(status); 116 return_ACPI_STATUS(status);
114 } 117 }
115 118
116 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n", 119 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
117 output_buffer->pointer, (u32) output_buffer->length)); 120 output_buffer->pointer, (u32) output_buffer->length));
118 return_ACPI_STATUS(AE_OK); 121 return_ACPI_STATUS(AE_OK);
119} 122}
@@ -155,7 +158,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
155 acpi_status status; 158 acpi_status status;
156 struct acpi_buffer path_buffer; 159 struct acpi_buffer path_buffer;
157 160
158 ACPI_FUNCTION_TRACE("rs_create_pci_routing_table"); 161 ACPI_FUNCTION_TRACE(rs_create_pci_routing_table);
159 162
160 /* Params already validated, so we don't re-validate here */ 163 /* Params already validated, so we don't re-validate here */
161 164
@@ -167,7 +170,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
167 return_ACPI_STATUS(status); 170 return_ACPI_STATUS(status);
168 } 171 }
169 172
170 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "buffer_size_needed = %X\n", 173 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "BufferSizeNeeded = %X\n",
171 (u32) buffer_size_needed)); 174 (u32) buffer_size_needed));
172 175
173 /* Validate/Allocate/Clear caller buffer */ 176 /* Validate/Allocate/Clear caller buffer */
@@ -332,7 +335,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
332 /* Now align the current length */ 335 /* Now align the current length */
333 336
334 user_prt->length = 337 user_prt->length =
335 (u32) ACPI_ROUND_UP_to_64_bITS(user_prt->length); 338 (u32) ACPI_ROUND_UP_TO_64BIT(user_prt->length);
336 339
337 /* 4) Fourth subobject: Dereference the PRT.source_index */ 340 /* 4) Fourth subobject: Dereference the PRT.source_index */
338 341
@@ -341,7 +344,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
341 user_prt->source_index = (u32) obj_desc->integer.value; 344 user_prt->source_index = (u32) obj_desc->integer.value;
342 } else { 345 } else {
343 ACPI_ERROR((AE_INFO, 346 ACPI_ERROR((AE_INFO,
344 "(PRT[%X].source_index) Need Integer, found %s", 347 "(PRT[%X].SourceIndex) Need Integer, found %s",
345 index, 348 index,
346 acpi_ut_get_object_type_name(obj_desc))); 349 acpi_ut_get_object_type_name(obj_desc)));
347 return_ACPI_STATUS(AE_BAD_DATA); 350 return_ACPI_STATUS(AE_BAD_DATA);
@@ -352,7 +355,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
352 top_object_list++; 355 top_object_list++;
353 } 356 }
354 357
355 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n", 358 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
356 output_buffer->pointer, (u32) output_buffer->length)); 359 output_buffer->pointer, (u32) output_buffer->length));
357 return_ACPI_STATUS(AE_OK); 360 return_ACPI_STATUS(AE_OK);
358} 361}
@@ -382,9 +385,9 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
382 acpi_status status; 385 acpi_status status;
383 acpi_size aml_size_needed = 0; 386 acpi_size aml_size_needed = 0;
384 387
385 ACPI_FUNCTION_TRACE("rs_create_aml_resources"); 388 ACPI_FUNCTION_TRACE(rs_create_aml_resources);
386 389
387 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "linked_list_buffer = %p\n", 390 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "LinkedListBuffer = %p\n",
388 linked_list_buffer)); 391 linked_list_buffer));
389 392
390 /* 393 /*
@@ -395,7 +398,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
395 */ 398 */
396 status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed); 399 status = acpi_rs_get_aml_length(linked_list_buffer, &aml_size_needed);
397 400
398 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "aml_size_needed=%X, %s\n", 401 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "AmlSizeNeeded=%X, %s\n",
399 (u32) aml_size_needed, 402 (u32) aml_size_needed,
400 acpi_format_exception(status))); 403 acpi_format_exception(status)));
401 if (ACPI_FAILURE(status)) { 404 if (ACPI_FAILURE(status)) {
@@ -419,7 +422,7 @@ acpi_rs_create_aml_resources(struct acpi_resource *linked_list_buffer,
419 return_ACPI_STATUS(status); 422 return_ACPI_STATUS(status);
420 } 423 }
421 424
422 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "output_buffer %p Length %X\n", 425 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "OutputBuffer %p Length %X\n",
423 output_buffer->pointer, (u32) output_buffer->length)); 426 output_buffer->pointer, (u32) output_buffer->length));
424 return_ACPI_STATUS(AE_OK); 427 return_ACPI_STATUS(AE_OK);
425} 428}
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index e7de061cf883..9c99a723a860 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -91,11 +91,11 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table);
91struct acpi_rsdump_info acpi_rs_dump_irq[6] = { 91struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
92 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL}, 92 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_irq), "IRQ", NULL},
93 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering", 93 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.triggering), "Triggering",
94 acpi_gbl_HEdecode}, 94 acpi_gbl_he_decode},
95 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity", 95 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.polarity), "Polarity",
96 acpi_gbl_LLdecode}, 96 acpi_gbl_ll_decode},
97 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing", 97 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(irq.sharable), "Sharing",
98 acpi_gbl_SHRdecode}, 98 acpi_gbl_shr_decode},
99 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count), 99 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(irq.interrupt_count),
100 "Interrupt Count", NULL}, 100 "Interrupt Count", NULL},
101 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]), 101 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(irq.interrupts[0]),
@@ -105,11 +105,11 @@ struct acpi_rsdump_info acpi_rs_dump_irq[6] = {
105struct acpi_rsdump_info acpi_rs_dump_dma[6] = { 105struct acpi_rsdump_info acpi_rs_dump_dma[6] = {
106 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL}, 106 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_dma), "DMA", NULL},
107 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed", 107 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.type), "Speed",
108 acpi_gbl_TYPdecode}, 108 acpi_gbl_typ_decode},
109 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering", 109 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(dma.bus_master), "Mastering",
110 acpi_gbl_BMdecode}, 110 acpi_gbl_bm_decode},
111 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type", 111 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(dma.transfer), "Transfer Type",
112 acpi_gbl_SIZdecode}, 112 acpi_gbl_siz_decode},
113 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count", 113 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(dma.channel_count), "Channel Count",
114 NULL}, 114 NULL},
115 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List", 115 {ACPI_RSD_SHORTLIST, ACPI_RSD_OFFSET(dma.channels[0]), "Channel List",
@@ -158,7 +158,7 @@ struct acpi_rsdump_info acpi_rs_dump_vendor[3] = {
158}; 158};
159 159
160struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = { 160struct acpi_rsdump_info acpi_rs_dump_end_tag[1] = {
161 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "end_tag", 161 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_end_tag), "EndTag",
162 NULL} 162 NULL}
163}; 163};
164 164
@@ -166,7 +166,7 @@ struct acpi_rsdump_info acpi_rs_dump_memory24[6] = {
166 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24), 166 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory24),
167 "24-Bit Memory Range", NULL}, 167 "24-Bit Memory Range", NULL},
168 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect), 168 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory24.write_protect),
169 "Write Protect", acpi_gbl_RWdecode}, 169 "Write Protect", acpi_gbl_rw_decode},
170 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum", 170 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.minimum), "Address Minimum",
171 NULL}, 171 NULL},
172 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum", 172 {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(memory24.maximum), "Address Maximum",
@@ -181,7 +181,7 @@ struct acpi_rsdump_info acpi_rs_dump_memory32[6] = {
181 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32), 181 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory32),
182 "32-Bit Memory Range", NULL}, 182 "32-Bit Memory Range", NULL},
183 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect), 183 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(memory32.write_protect),
184 "Write Protect", acpi_gbl_RWdecode}, 184 "Write Protect", acpi_gbl_rw_decode},
185 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum", 185 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.minimum), "Address Minimum",
186 NULL}, 186 NULL},
187 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum", 187 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(memory32.maximum), "Address Maximum",
@@ -196,7 +196,7 @@ struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[4] = {
196 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32), 196 {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_memory32),
197 "32-Bit Fixed Memory Range", NULL}, 197 "32-Bit Fixed Memory Range", NULL},
198 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect), 198 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(fixed_memory32.write_protect),
199 "Write Protect", acpi_gbl_RWdecode}, 199 "Write Protect", acpi_gbl_rw_decode},
200 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address", 200 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address), "Address",
201 NULL}, 201 NULL},
202 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length), 202 {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(fixed_memory32.address_length),
@@ -278,11 +278,11 @@ struct acpi_rsdump_info acpi_rs_dump_ext_irq[8] = {
278 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer), 278 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.producer_consumer),
279 "Type", acpi_gbl_consume_decode}, 279 "Type", acpi_gbl_consume_decode},
280 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering), 280 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.triggering),
281 "Triggering", acpi_gbl_HEdecode}, 281 "Triggering", acpi_gbl_he_decode},
282 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity", 282 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.polarity), "Polarity",
283 acpi_gbl_LLdecode}, 283 acpi_gbl_ll_decode},
284 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing", 284 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(extended_irq.sharable), "Sharing",
285 acpi_gbl_SHRdecode}, 285 acpi_gbl_shr_decode},
286 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL, 286 {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(extended_irq.resource_source), NULL,
287 NULL}, 287 NULL},
288 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count), 288 {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(extended_irq.interrupt_count),
@@ -314,7 +314,7 @@ static struct acpi_rsdump_info acpi_rs_dump_general_flags[5] = {
314 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer), 314 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.producer_consumer),
315 "Consumer/Producer", acpi_gbl_consume_decode}, 315 "Consumer/Producer", acpi_gbl_consume_decode},
316 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode", 316 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.decode), "Address Decode",
317 acpi_gbl_DECdecode}, 317 acpi_gbl_dec_decode},
318 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed), 318 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.min_address_fixed),
319 "Min Relocatability", acpi_gbl_min_decode}, 319 "Min Relocatability", acpi_gbl_min_decode},
320 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed), 320 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.max_address_fixed),
@@ -325,24 +325,24 @@ static struct acpi_rsdump_info acpi_rs_dump_memory_flags[5] = {
325 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags), 325 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_memory_flags),
326 "Resource Type", (void *)"Memory Range"}, 326 "Resource Type", (void *)"Memory Range"},
327 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect), 327 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.write_protect),
328 "Write Protect", acpi_gbl_RWdecode}, 328 "Write Protect", acpi_gbl_rw_decode},
329 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching), 329 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.caching),
330 "Caching", acpi_gbl_MEMdecode}, 330 "Caching", acpi_gbl_mem_decode},
331 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type), 331 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.mem.range_type),
332 "Range Type", acpi_gbl_MTPdecode}, 332 "Range Type", acpi_gbl_mtp_decode},
333 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation), 333 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.mem.translation),
334 "Translation", acpi_gbl_TTPdecode} 334 "Translation", acpi_gbl_ttp_decode}
335}; 335};
336 336
337static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = { 337static struct acpi_rsdump_info acpi_rs_dump_io_flags[4] = {
338 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags), 338 {ACPI_RSD_LITERAL, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_io_flags),
339 "Resource Type", (void *)"I/O Range"}, 339 "Resource Type", (void *)"I/O Range"},
340 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type), 340 {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(address.info.io.range_type),
341 "Range Type", acpi_gbl_RNGdecode}, 341 "Range Type", acpi_gbl_rng_decode},
342 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation), 342 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation),
343 "Translation", acpi_gbl_TTPdecode}, 343 "Translation", acpi_gbl_ttp_decode},
344 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type), 344 {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(address.info.io.translation_type),
345 "Translation Type", acpi_gbl_TRSdecode} 345 "Translation Type", acpi_gbl_trs_decode}
346}; 346};
347 347
348/* 348/*
diff --git a/drivers/acpi/resources/rsinfo.c b/drivers/acpi/resources/rsinfo.c
index d9ae64b77bd9..9e7ae2f8a1d3 100644
--- a/drivers/acpi/resources/rsinfo.c
+++ b/drivers/acpi/resources/rsinfo.c
@@ -141,6 +141,7 @@ struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = {
141 acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ 141 acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */
142}; 142};
143#endif 143#endif
144
144#endif /* ACPI_FUTURE_USAGE */ 145#endif /* ACPI_FUTURE_USAGE */
145/* 146/*
146 * Base sizes for external AML resource descriptors, indexed by internal type. 147 * Base sizes for external AML resource descriptors, indexed by internal type.
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 1434e786477e..29423ce030ca 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -51,76 +51,62 @@ ACPI_MODULE_NAME("rslist")
51 * 51 *
52 * FUNCTION: acpi_rs_convert_aml_to_resources 52 * FUNCTION: acpi_rs_convert_aml_to_resources
53 * 53 *
54 * PARAMETERS: Aml - Pointer to the resource byte stream 54 * PARAMETERS: acpi_walk_aml_callback
55 * aml_length - Length of Aml 55 * resource_ptr - Pointer to the buffer that will
56 * output_buffer - Pointer to the buffer that will 56 * contain the output structures
57 * contain the output structures
58 * 57 *
59 * RETURN: Status 58 * RETURN: Status
60 * 59 *
61 * DESCRIPTION: Takes the resource byte stream and parses it, creating a 60 * DESCRIPTION: Convert an AML resource to an internal representation of the
62 * linked list of resources in the caller's output buffer 61 * resource that is aligned and easier to access.
63 * 62 *
64 ******************************************************************************/ 63 ******************************************************************************/
65acpi_status 64acpi_status
66acpi_rs_convert_aml_to_resources(u8 * aml, u32 aml_length, u8 * output_buffer) 65acpi_rs_convert_aml_to_resources(u8 * aml,
66 u32 length,
67 u32 offset, u8 resource_index, void **context)
67{ 68{
68 struct acpi_resource *resource = (void *)output_buffer; 69 struct acpi_resource **resource_ptr =
70 ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
71 struct acpi_resource *resource;
69 acpi_status status; 72 acpi_status status;
70 u8 resource_index;
71 u8 *end_aml;
72
73 ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
74
75 end_aml = aml + aml_length;
76
77 /* Loop until end-of-buffer or an end_tag is found */
78
79 while (aml < end_aml) {
80 /* Validate the Resource Type and Resource Length */
81
82 status = acpi_ut_validate_resource(aml, &resource_index);
83 if (ACPI_FAILURE(status)) {
84 return_ACPI_STATUS(status);
85 }
86 73
87 /* Convert the AML byte stream resource to a local resource struct */ 74 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources);
88
89 status =
90 acpi_rs_convert_aml_to_resource(resource,
91 ACPI_CAST_PTR(union
92 aml_resource,
93 aml),
94 acpi_gbl_get_resource_dispatch
95 [resource_index]);
96 if (ACPI_FAILURE(status)) {
97 ACPI_EXCEPTION((AE_INFO, status,
98 "Could not convert AML resource (Type %X)",
99 *aml));
100 return_ACPI_STATUS(status);
101 }
102 75
103 /* Normal exit on completion of an end_tag resource descriptor */ 76 /*
104 77 * Check that the input buffer and all subsequent pointers into it
105 if (acpi_ut_get_resource_type(aml) == 78 * are aligned on a native word boundary. Most important on IA64
106 ACPI_RESOURCE_NAME_END_TAG) { 79 */
107 return_ACPI_STATUS(AE_OK); 80 resource = *resource_ptr;
108 } 81 if (ACPI_IS_MISALIGNED(resource)) {
109 82 ACPI_WARNING((AE_INFO,
110 /* Point to the next input AML resource */ 83 "Misaligned resource pointer %p", resource));
111 84 }
112 aml += acpi_ut_get_descriptor_length(aml);
113
114 /* Point to the next structure in the output buffer */
115 85
116 resource = 86 /* Convert the AML byte stream resource to a local resource struct */
117 ACPI_ADD_PTR(struct acpi_resource, resource, 87
118 resource->length); 88 status =
89 acpi_rs_convert_aml_to_resource(resource,
90 ACPI_CAST_PTR(union aml_resource,
91 aml),
92 acpi_gbl_get_resource_dispatch
93 [resource_index]);
94 if (ACPI_FAILURE(status)) {
95 ACPI_EXCEPTION((AE_INFO, status,
96 "Could not convert AML resource (Type %X)",
97 *aml));
98 return_ACPI_STATUS(status);
119 } 99 }
120 100
121 /* Did not find an end_tag resource descriptor */ 101 ACPI_DEBUG_PRINT((ACPI_DB_RESOURCES,
102 "Type %.2X, AmlLength %.2X InternalLength %.2X\n",
103 acpi_ut_get_resource_type(aml), length,
104 resource->length));
122 105
123 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); 106 /* Point to the next structure in the output buffer */
107
108 *resource_ptr = ACPI_ADD_PTR(void, resource, resource->length);
109 return_ACPI_STATUS(AE_OK);
124} 110}
125 111
126/******************************************************************************* 112/*******************************************************************************
@@ -150,11 +136,12 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
150 u8 *end_aml = output_buffer + aml_size_needed; 136 u8 *end_aml = output_buffer + aml_size_needed;
151 acpi_status status; 137 acpi_status status;
152 138
153 ACPI_FUNCTION_TRACE("rs_convert_resources_to_aml"); 139 ACPI_FUNCTION_TRACE(rs_convert_resources_to_aml);
154 140
155 /* Walk the resource descriptor list, convert each descriptor */ 141 /* Walk the resource descriptor list, convert each descriptor */
156 142
157 while (aml < end_aml) { 143 while (aml < end_aml) {
144
158 /* Validate the (internal) Resource Type */ 145 /* Validate the (internal) Resource Type */
159 146
160 if (resource->type > ACPI_RESOURCE_TYPE_MAX) { 147 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
@@ -191,6 +178,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
191 /* Check for end-of-list, normal exit */ 178 /* Check for end-of-list, normal exit */
192 179
193 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) { 180 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
181
194 /* An End Tag indicates the end of the input Resource Template */ 182 /* An End Tag indicates the end of the input Resource Template */
195 183
196 return_ACPI_STATUS(AE_OK); 184 return_ACPI_STATUS(AE_OK);
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index ed866cf1c6d2..faf6e106b785 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -81,9 +81,10 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
81 u16 item_count = 0; 81 u16 item_count = 0;
82 u16 temp16 = 0; 82 u16 temp16 = 0;
83 83
84 ACPI_FUNCTION_TRACE("rs_get_resource"); 84 ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
85 85
86 if (((acpi_native_uint) resource) & 0x3) { 86 if (((acpi_native_uint) resource) & 0x3) {
87
87 /* Each internal resource struct is expected to be 32-bit aligned */ 88 /* Each internal resource struct is expected to be 32-bit aligned */
88 89
89 ACPI_WARNING((AE_INFO, 90 ACPI_WARNING((AE_INFO,
@@ -295,9 +296,11 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
295 296
296 exit: 297 exit:
297 if (!flags_mode) { 298 if (!flags_mode) {
298 /* Round the resource struct length up to the next 32-bit boundary */
299 299
300 resource->length = ACPI_ROUND_UP_to_32_bITS(resource->length); 300 /* Round the resource struct length up to the next boundary (32 or 64) */
301
302 resource->length =
303 (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(resource->length);
301 } 304 }
302 return_ACPI_STATUS(AE_OK); 305 return_ACPI_STATUS(AE_OK);
303} 306}
@@ -329,7 +332,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
329 u16 temp16 = 0; 332 u16 temp16 = 0;
330 u16 item_count = 0; 333 u16 item_count = 0;
331 334
332 ACPI_FUNCTION_TRACE("rs_convert_resource_to_aml"); 335 ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml);
333 336
334 /* 337 /*
335 * First table entry must be ACPI_RSC_INITxxx and must contain the 338 * First table entry must be ACPI_RSC_INITxxx and must contain the
@@ -535,6 +538,7 @@ if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
535 538
536resource->data.extended_irq.interrupt_count = temp8; 539resource->data.extended_irq.interrupt_count = temp8;
537if (temp8 < 1) { 540if (temp8 < 1) {
541
538 /* Must have at least one IRQ */ 542 /* Must have at least one IRQ */
539 543
540 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH); 544 return_ACPI_STATUS(AE_AML_BAD_RESOURCE_LENGTH);
diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c
index 25b5aedd6612..a9cbee8e8b44 100644
--- a/drivers/acpi/resources/rsutils.c
+++ b/drivers/acpi/resources/rsutils.c
@@ -205,6 +205,7 @@ acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
205 /* Length is stored differently for large and small descriptors */ 205 /* Length is stored differently for large and small descriptors */
206 206
207 if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) { 207 if (aml->small_header.descriptor_type & ACPI_RESOURCE_NAME_LARGE) {
208
208 /* Large descriptor -- bytes 1-2 contain the 16-bit length */ 209 /* Large descriptor -- bytes 1-2 contain the 16-bit length */
209 210
210 ACPI_MOVE_16_TO_16(&aml->large_header.resource_length, 211 ACPI_MOVE_16_TO_16(&aml->large_header.resource_length,
@@ -298,7 +299,8 @@ static u16 acpi_rs_strcpy(char *destination, char *source)
298 * string_ptr - (optional) where to store the actual 299 * string_ptr - (optional) where to store the actual
299 * resource_source string 300 * resource_source string
300 * 301 *
301 * RETURN: Length of the string plus NULL terminator, rounded up to 32 bit 302 * RETURN: Length of the string plus NULL terminator, rounded up to native
303 * word boundary
302 * 304 *
303 * DESCRIPTION: Copy the optional resource_source data from a raw AML descriptor 305 * DESCRIPTION: Copy the optional resource_source data from a raw AML descriptor
304 * to an internal resource descriptor 306 * to an internal resource descriptor
@@ -328,6 +330,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
328 * we add 1 to the minimum length. 330 * we add 1 to the minimum length.
329 */ 331 */
330 if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) { 332 if (total_length > (acpi_rsdesc_size) (minimum_length + 1)) {
333
331 /* Get the resource_source_index */ 334 /* Get the resource_source_index */
332 335
333 resource_source->index = aml_resource_source[0]; 336 resource_source->index = aml_resource_source[0];
@@ -344,23 +347,26 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length,
344 } 347 }
345 348
346 /* 349 /*
347 * In order for the struct_size to fall on a 32-bit boundary, calculate 350 * In order for the Resource length to be a multiple of the native
348 * the length of the string (+1 for the NULL terminator) and expand the 351 * word, calculate the length of the string (+1 for NULL terminator)
349 * struct_size to the next 32-bit boundary. 352 * and expand to the next word multiple.
350 * 353 *
351 * Zero the entire area of the buffer. 354 * Zero the entire area of the buffer.
352 */ 355 */
353 total_length = 356 total_length =
354 ACPI_ROUND_UP_to_32_bITS(ACPI_STRLEN 357 (u32)
355 ((char *)&aml_resource_source[1]) + 358 ACPI_STRLEN(ACPI_CAST_PTR(char, &aml_resource_source[1])) +
356 1); 359 1;
360 total_length = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(total_length);
361
357 ACPI_MEMSET(resource_source->string_ptr, 0, total_length); 362 ACPI_MEMSET(resource_source->string_ptr, 0, total_length);
358 363
359 /* Copy the resource_source string to the destination */ 364 /* Copy the resource_source string to the destination */
360 365
361 resource_source->string_length = 366 resource_source->string_length =
362 acpi_rs_strcpy(resource_source->string_ptr, 367 acpi_rs_strcpy(resource_source->string_ptr,
363 (char *)&aml_resource_source[1]); 368 ACPI_CAST_PTR(char,
369 &aml_resource_source[1]));
364 370
365 return ((acpi_rs_length) total_length); 371 return ((acpi_rs_length) total_length);
366 } 372 }
@@ -405,6 +411,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
405 /* Non-zero string length indicates presence of a resource_source */ 411 /* Non-zero string length indicates presence of a resource_source */
406 412
407 if (resource_source->string_length) { 413 if (resource_source->string_length) {
414
408 /* Point to the end of the AML descriptor */ 415 /* Point to the end of the AML descriptor */
409 416
410 aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length); 417 aml_resource_source = ACPI_ADD_PTR(u8, aml, minimum_length);
@@ -415,7 +422,7 @@ acpi_rs_set_resource_source(union aml_resource * aml,
415 422
416 /* Copy the resource_source string */ 423 /* Copy the resource_source string */
417 424
418 ACPI_STRCPY((char *)&aml_resource_source[1], 425 ACPI_STRCPY(ACPI_CAST_PTR(char, &aml_resource_source[1]),
419 resource_source->string_ptr); 426 resource_source->string_ptr);
420 427
421 /* 428 /*
@@ -435,9 +442,9 @@ acpi_rs_set_resource_source(union aml_resource * aml,
435 * 442 *
436 * FUNCTION: acpi_rs_get_prt_method_data 443 * FUNCTION: acpi_rs_get_prt_method_data
437 * 444 *
438 * PARAMETERS: Handle - a handle to the containing object 445 * PARAMETERS: Node - Device node
439 * ret_buffer - a pointer to a buffer structure for the 446 * ret_buffer - Pointer to a buffer structure for the
440 * results 447 * results
441 * 448 *
442 * RETURN: Status 449 * RETURN: Status
443 * 450 *
@@ -450,18 +457,19 @@ acpi_rs_set_resource_source(union aml_resource * aml,
450 ******************************************************************************/ 457 ******************************************************************************/
451 458
452acpi_status 459acpi_status
453acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer) 460acpi_rs_get_prt_method_data(struct acpi_namespace_node * node,
461 struct acpi_buffer * ret_buffer)
454{ 462{
455 union acpi_operand_object *obj_desc; 463 union acpi_operand_object *obj_desc;
456 acpi_status status; 464 acpi_status status;
457 465
458 ACPI_FUNCTION_TRACE("rs_get_prt_method_data"); 466 ACPI_FUNCTION_TRACE(rs_get_prt_method_data);
459 467
460 /* Parameters guaranteed valid by caller */ 468 /* Parameters guaranteed valid by caller */
461 469
462 /* Execute the method, no parameters */ 470 /* Execute the method, no parameters */
463 471
464 status = acpi_ut_evaluate_object(handle, METHOD_NAME__PRT, 472 status = acpi_ut_evaluate_object(node, METHOD_NAME__PRT,
465 ACPI_BTYPE_PACKAGE, &obj_desc); 473 ACPI_BTYPE_PACKAGE, &obj_desc);
466 if (ACPI_FAILURE(status)) { 474 if (ACPI_FAILURE(status)) {
467 return_ACPI_STATUS(status); 475 return_ACPI_STATUS(status);
@@ -483,9 +491,9 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
483 * 491 *
484 * FUNCTION: acpi_rs_get_crs_method_data 492 * FUNCTION: acpi_rs_get_crs_method_data
485 * 493 *
486 * PARAMETERS: Handle - a handle to the containing object 494 * PARAMETERS: Node - Device node
487 * ret_buffer - a pointer to a buffer structure for the 495 * ret_buffer - Pointer to a buffer structure for the
488 * results 496 * results
489 * 497 *
490 * RETURN: Status 498 * RETURN: Status
491 * 499 *
@@ -498,18 +506,19 @@ acpi_rs_get_prt_method_data(acpi_handle handle, struct acpi_buffer * ret_buffer)
498 ******************************************************************************/ 506 ******************************************************************************/
499 507
500acpi_status 508acpi_status
501acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer) 509acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
510 struct acpi_buffer *ret_buffer)
502{ 511{
503 union acpi_operand_object *obj_desc; 512 union acpi_operand_object *obj_desc;
504 acpi_status status; 513 acpi_status status;
505 514
506 ACPI_FUNCTION_TRACE("rs_get_crs_method_data"); 515 ACPI_FUNCTION_TRACE(rs_get_crs_method_data);
507 516
508 /* Parameters guaranteed valid by caller */ 517 /* Parameters guaranteed valid by caller */
509 518
510 /* Execute the method, no parameters */ 519 /* Execute the method, no parameters */
511 520
512 status = acpi_ut_evaluate_object(handle, METHOD_NAME__CRS, 521 status = acpi_ut_evaluate_object(node, METHOD_NAME__CRS,
513 ACPI_BTYPE_BUFFER, &obj_desc); 522 ACPI_BTYPE_BUFFER, &obj_desc);
514 if (ACPI_FAILURE(status)) { 523 if (ACPI_FAILURE(status)) {
515 return_ACPI_STATUS(status); 524 return_ACPI_STATUS(status);
@@ -522,7 +531,7 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
522 */ 531 */
523 status = acpi_rs_create_resource_list(obj_desc, ret_buffer); 532 status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
524 533
525 /* on exit, we must delete the object returned by evaluate_object */ 534 /* On exit, we must delete the object returned by evaluate_object */
526 535
527 acpi_ut_remove_reference(obj_desc); 536 acpi_ut_remove_reference(obj_desc);
528 return_ACPI_STATUS(status); 537 return_ACPI_STATUS(status);
@@ -532,9 +541,9 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
532 * 541 *
533 * FUNCTION: acpi_rs_get_prs_method_data 542 * FUNCTION: acpi_rs_get_prs_method_data
534 * 543 *
535 * PARAMETERS: Handle - a handle to the containing object 544 * PARAMETERS: Node - Device node
536 * ret_buffer - a pointer to a buffer structure for the 545 * ret_buffer - Pointer to a buffer structure for the
537 * results 546 * results
538 * 547 *
539 * RETURN: Status 548 * RETURN: Status
540 * 549 *
@@ -548,18 +557,19 @@ acpi_rs_get_crs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
548 557
549#ifdef ACPI_FUTURE_USAGE 558#ifdef ACPI_FUTURE_USAGE
550acpi_status 559acpi_status
551acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer) 560acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
561 struct acpi_buffer *ret_buffer)
552{ 562{
553 union acpi_operand_object *obj_desc; 563 union acpi_operand_object *obj_desc;
554 acpi_status status; 564 acpi_status status;
555 565
556 ACPI_FUNCTION_TRACE("rs_get_prs_method_data"); 566 ACPI_FUNCTION_TRACE(rs_get_prs_method_data);
557 567
558 /* Parameters guaranteed valid by caller */ 568 /* Parameters guaranteed valid by caller */
559 569
560 /* Execute the method, no parameters */ 570 /* Execute the method, no parameters */
561 571
562 status = acpi_ut_evaluate_object(handle, METHOD_NAME__PRS, 572 status = acpi_ut_evaluate_object(node, METHOD_NAME__PRS,
563 ACPI_BTYPE_BUFFER, &obj_desc); 573 ACPI_BTYPE_BUFFER, &obj_desc);
564 if (ACPI_FAILURE(status)) { 574 if (ACPI_FAILURE(status)) {
565 return_ACPI_STATUS(status); 575 return_ACPI_STATUS(status);
@@ -572,7 +582,7 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
572 */ 582 */
573 status = acpi_rs_create_resource_list(obj_desc, ret_buffer); 583 status = acpi_rs_create_resource_list(obj_desc, ret_buffer);
574 584
575 /* on exit, we must delete the object returned by evaluate_object */ 585 /* On exit, we must delete the object returned by evaluate_object */
576 586
577 acpi_ut_remove_reference(obj_desc); 587 acpi_ut_remove_reference(obj_desc);
578 return_ACPI_STATUS(status); 588 return_ACPI_STATUS(status);
@@ -583,10 +593,10 @@ acpi_rs_get_prs_method_data(acpi_handle handle, struct acpi_buffer *ret_buffer)
583 * 593 *
584 * FUNCTION: acpi_rs_get_method_data 594 * FUNCTION: acpi_rs_get_method_data
585 * 595 *
586 * PARAMETERS: Handle - a handle to the containing object 596 * PARAMETERS: Handle - Handle to the containing object
587 * Path - Path to method, relative to Handle 597 * Path - Path to method, relative to Handle
588 * ret_buffer - a pointer to a buffer structure for the 598 * ret_buffer - Pointer to a buffer structure for the
589 * results 599 * results
590 * 600 *
591 * RETURN: Status 601 * RETURN: Status
592 * 602 *
@@ -605,7 +615,7 @@ acpi_rs_get_method_data(acpi_handle handle,
605 union acpi_operand_object *obj_desc; 615 union acpi_operand_object *obj_desc;
606 acpi_status status; 616 acpi_status status;
607 617
608 ACPI_FUNCTION_TRACE("rs_get_method_data"); 618 ACPI_FUNCTION_TRACE(rs_get_method_data);
609 619
610 /* Parameters guaranteed valid by caller */ 620 /* Parameters guaranteed valid by caller */
611 621
@@ -634,9 +644,9 @@ acpi_rs_get_method_data(acpi_handle handle,
634 * 644 *
635 * FUNCTION: acpi_rs_set_srs_method_data 645 * FUNCTION: acpi_rs_set_srs_method_data
636 * 646 *
637 * PARAMETERS: Handle - a handle to the containing object 647 * PARAMETERS: Node - Device node
638 * in_buffer - a pointer to a buffer structure of the 648 * in_buffer - Pointer to a buffer structure of the
639 * parameter 649 * parameter
640 * 650 *
641 * RETURN: Status 651 * RETURN: Status
642 * 652 *
@@ -646,23 +656,37 @@ acpi_rs_get_method_data(acpi_handle handle,
646 * If the function fails an appropriate status will be returned 656 * If the function fails an appropriate status will be returned
647 * and the contents of the callers buffer is undefined. 657 * and the contents of the callers buffer is undefined.
648 * 658 *
659 * Note: Parameters guaranteed valid by caller
660 *
649 ******************************************************************************/ 661 ******************************************************************************/
650 662
651acpi_status 663acpi_status
652acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer) 664acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
665 struct acpi_buffer *in_buffer)
653{ 666{
654 struct acpi_parameter_info info; 667 struct acpi_evaluate_info *info;
655 union acpi_operand_object *params[2]; 668 union acpi_operand_object *args[2];
656 acpi_status status; 669 acpi_status status;
657 struct acpi_buffer buffer; 670 struct acpi_buffer buffer;
658 671
659 ACPI_FUNCTION_TRACE("rs_set_srs_method_data"); 672 ACPI_FUNCTION_TRACE(rs_set_srs_method_data);
660 673
661 /* Parameters guaranteed valid by caller */ 674 /* Allocate and initialize the evaluation information block */
675
676 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
677 if (!info) {
678 return_ACPI_STATUS(AE_NO_MEMORY);
679 }
680
681 info->prefix_node = node;
682 info->pathname = METHOD_NAME__SRS;
683 info->parameters = args;
684 info->parameter_type = ACPI_PARAM_ARGS;
685 info->flags = ACPI_IGNORE_RETURN_VALUE;
662 686
663 /* 687 /*
664 * The in_buffer parameter will point to a linked list of 688 * The in_buffer parameter will point to a linked list of
665 * resource parameters. It needs to be formatted into a 689 * resource parameters. It needs to be formatted into a
666 * byte stream to be sent in as an input parameter to _SRS 690 * byte stream to be sent in as an input parameter to _SRS
667 * 691 *
668 * Convert the linked list into a byte stream 692 * Convert the linked list into a byte stream
@@ -670,41 +694,36 @@ acpi_rs_set_srs_method_data(acpi_handle handle, struct acpi_buffer *in_buffer)
670 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; 694 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
671 status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer); 695 status = acpi_rs_create_aml_resources(in_buffer->pointer, &buffer);
672 if (ACPI_FAILURE(status)) { 696 if (ACPI_FAILURE(status)) {
673 return_ACPI_STATUS(status); 697 goto cleanup;
674 } 698 }
675 699
676 /* Init the param object */ 700 /* Create and initialize the method parameter object */
677 701
678 params[0] = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER); 702 args[0] = acpi_ut_create_internal_object(ACPI_TYPE_BUFFER);
679 if (!params[0]) { 703 if (!args[0]) {
680 acpi_os_free(buffer.pointer); 704 /*
681 return_ACPI_STATUS(AE_NO_MEMORY); 705 * Must free the buffer allocated above (otherwise it is freed
706 * later)
707 */
708 ACPI_FREE(buffer.pointer);
709 status = AE_NO_MEMORY;
710 goto cleanup;
682 } 711 }
683 712
684 /* Set up the parameter object */ 713 args[0]->buffer.length = (u32) buffer.length;
685 714 args[0]->buffer.pointer = buffer.pointer;
686 params[0]->buffer.length = (u32) buffer.length; 715 args[0]->common.flags = AOPOBJ_DATA_VALID;
687 params[0]->buffer.pointer = buffer.pointer; 716 args[1] = NULL;
688 params[0]->common.flags = AOPOBJ_DATA_VALID;
689 params[1] = NULL;
690
691 info.node = handle;
692 info.parameters = params;
693 info.parameter_type = ACPI_PARAM_ARGS;
694 717
695 /* Execute the method, no return value */ 718 /* Execute the method, no return value is expected */
696 719
697 status = acpi_ns_evaluate_relative(METHOD_NAME__SRS, &info); 720 status = acpi_ns_evaluate(info);
698 if (ACPI_SUCCESS(status)) {
699 /* Delete any return object (especially if implicit_return is enabled) */
700 721
701 if (info.return_object) { 722 /* Clean up and return the status from acpi_ns_evaluate */
702 acpi_ut_remove_reference(info.return_object);
703 }
704 }
705 723
706 /* Clean up and return the status from acpi_ns_evaluate_relative */ 724 acpi_ut_remove_reference(args[0]);
707 725
708 acpi_ut_remove_reference(params[0]); 726 cleanup:
727 ACPI_FREE(info);
709 return_ACPI_STATUS(status); 728 return_ACPI_STATUS(status);
710} 729}
diff --git a/drivers/acpi/resources/rsxface.c b/drivers/acpi/resources/rsxface.c
index 88b67077aeeb..1999e2ab7daa 100644
--- a/drivers/acpi/resources/rsxface.c
+++ b/drivers/acpi/resources/rsxface.c
@@ -41,10 +41,9 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/acresrc.h> 45#include <acpi/acresrc.h>
46#include <acpi/acnamesp.h>
48 47
49#define _COMPONENT ACPI_RESOURCES 48#define _COMPONENT ACPI_RESOURCES
50ACPI_MODULE_NAME("rsxface") 49ACPI_MODULE_NAME("rsxface")
@@ -68,312 +67,262 @@ ACPI_MODULE_NAME("rsxface")
68static acpi_status 67static acpi_status
69acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context); 68acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context);
70 69
70static acpi_status
71acpi_rs_validate_parameters(acpi_handle device_handle,
72 struct acpi_buffer *buffer,
73 struct acpi_namespace_node **return_node);
74
71/******************************************************************************* 75/*******************************************************************************
72 * 76 *
73 * FUNCTION: acpi_get_irq_routing_table 77 * FUNCTION: acpi_rs_validate_parameters
74 * 78 *
75 * PARAMETERS: device_handle - a handle to the Bus device we are querying 79 * PARAMETERS: device_handle - Handle to a device
76 * ret_buffer - a pointer to a buffer to receive the 80 * Buffer - Pointer to a data buffer
77 * current resources for the device 81 * return_node - Pointer to where the device node is returned
78 * 82 *
79 * RETURN: Status 83 * RETURN: Status
80 * 84 *
81 * DESCRIPTION: This function is called to get the IRQ routing table for a 85 * DESCRIPTION: Common parameter validation for resource interfaces
82 * specific bus. The caller must first acquire a handle for the
83 * desired bus. The routine table is placed in the buffer pointed
84 * to by the ret_buffer variable parameter.
85 *
86 * If the function fails an appropriate status will be returned
87 * and the value of ret_buffer is undefined.
88 *
89 * This function attempts to execute the _PRT method contained in
90 * the object indicated by the passed device_handle.
91 * 86 *
92 ******************************************************************************/ 87 ******************************************************************************/
93 88
94acpi_status 89static acpi_status
95acpi_get_irq_routing_table(acpi_handle device_handle, 90acpi_rs_validate_parameters(acpi_handle device_handle,
96 struct acpi_buffer *ret_buffer) 91 struct acpi_buffer *buffer,
92 struct acpi_namespace_node **return_node)
97{ 93{
98 acpi_status status; 94 acpi_status status;
95 struct acpi_namespace_node *node;
99 96
100 ACPI_FUNCTION_TRACE("acpi_get_irq_routing_table "); 97 ACPI_FUNCTION_TRACE(rs_validate_parameters);
101 98
102 /* 99 /*
103 * Must have a valid handle and buffer, So we have to have a handle 100 * Must have a valid handle to an ACPI device
104 * and a return buffer structure, and if there is a non-zero buffer length
105 * we also need a valid pointer in the buffer. If it's a zero buffer length,
106 * we'll be returning the needed buffer size, so keep going.
107 */ 101 */
108 if (!device_handle) { 102 if (!device_handle) {
109 return_ACPI_STATUS(AE_BAD_PARAMETER); 103 return_ACPI_STATUS(AE_BAD_PARAMETER);
110 } 104 }
111 105
112 status = acpi_ut_validate_buffer(ret_buffer); 106 node = acpi_ns_map_handle_to_node(device_handle);
107 if (!node) {
108 return_ACPI_STATUS(AE_BAD_PARAMETER);
109 }
110
111 if (node->type != ACPI_TYPE_DEVICE) {
112 return_ACPI_STATUS(AE_TYPE);
113 }
114
115 /*
116 * Validate the user buffer object
117 *
118 * if there is a non-zero buffer length we also need a valid pointer in
119 * the buffer. If it's a zero buffer length, we'll be returning the
120 * needed buffer size (later), so keep going.
121 */
122 status = acpi_ut_validate_buffer(buffer);
113 if (ACPI_FAILURE(status)) { 123 if (ACPI_FAILURE(status)) {
114 return_ACPI_STATUS(status); 124 return_ACPI_STATUS(status);
115 } 125 }
116 126
117 status = acpi_rs_get_prt_method_data(device_handle, ret_buffer); 127 *return_node = node;
118 return_ACPI_STATUS(status); 128 return_ACPI_STATUS(AE_OK);
119} 129}
120 130
121/******************************************************************************* 131/*******************************************************************************
122 * 132 *
123 * FUNCTION: acpi_get_current_resources 133 * FUNCTION: acpi_get_irq_routing_table
124 * 134 *
125 * PARAMETERS: device_handle - a handle to the device object for the 135 * PARAMETERS: device_handle - Handle to the Bus device we are querying
126 * device we are querying 136 * ret_buffer - Pointer to a buffer to receive the
127 * ret_buffer - a pointer to a buffer to receive the
128 * current resources for the device 137 * current resources for the device
129 * 138 *
130 * RETURN: Status 139 * RETURN: Status
131 * 140 *
132 * DESCRIPTION: This function is called to get the current resources for a 141 * DESCRIPTION: This function is called to get the IRQ routing table for a
133 * specific device. The caller must first acquire a handle for 142 * specific bus. The caller must first acquire a handle for the
134 * the desired device. The resource data is placed in the buffer 143 * desired bus. The routine table is placed in the buffer pointed
135 * pointed to by the ret_buffer variable parameter. 144 * to by the ret_buffer variable parameter.
136 * 145 *
137 * If the function fails an appropriate status will be returned 146 * If the function fails an appropriate status will be returned
138 * and the value of ret_buffer is undefined. 147 * and the value of ret_buffer is undefined.
139 * 148 *
140 * This function attempts to execute the _CRS method contained in 149 * This function attempts to execute the _PRT method contained in
141 * the object indicated by the passed device_handle. 150 * the object indicated by the passed device_handle.
142 * 151 *
143 ******************************************************************************/ 152 ******************************************************************************/
144 153
145acpi_status 154acpi_status
146acpi_get_current_resources(acpi_handle device_handle, 155acpi_get_irq_routing_table(acpi_handle device_handle,
147 struct acpi_buffer *ret_buffer) 156 struct acpi_buffer *ret_buffer)
148{ 157{
149 acpi_status status; 158 acpi_status status;
159 struct acpi_namespace_node *node;
150 160
151 ACPI_FUNCTION_TRACE("acpi_get_current_resources"); 161 ACPI_FUNCTION_TRACE(acpi_get_irq_routing_table);
152 162
153 /* 163 /* Validate parameters then dispatch to internal routine */
154 * Must have a valid handle and buffer, So we have to have a handle
155 * and a return buffer structure, and if there is a non-zero buffer length
156 * we also need a valid pointer in the buffer. If it's a zero buffer length,
157 * we'll be returning the needed buffer size, so keep going.
158 */
159 if (!device_handle) {
160 return_ACPI_STATUS(AE_BAD_PARAMETER);
161 }
162 164
163 status = acpi_ut_validate_buffer(ret_buffer); 165 status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
164 if (ACPI_FAILURE(status)) { 166 if (ACPI_FAILURE(status)) {
165 return_ACPI_STATUS(status); 167 return_ACPI_STATUS(status);
166 } 168 }
167 169
168 status = acpi_rs_get_crs_method_data(device_handle, ret_buffer); 170 status = acpi_rs_get_prt_method_data(node, ret_buffer);
169 return_ACPI_STATUS(status); 171 return_ACPI_STATUS(status);
170} 172}
171 173
172EXPORT_SYMBOL(acpi_get_current_resources); 174ACPI_EXPORT_SYMBOL(acpi_get_irq_routing_table)
173 175
174/******************************************************************************* 176/*******************************************************************************
175 * 177 *
176 * FUNCTION: acpi_get_possible_resources 178 * FUNCTION: acpi_get_current_resources
177 * 179 *
178 * PARAMETERS: device_handle - a handle to the device object for the 180 * PARAMETERS: device_handle - Handle to the device object for the
179 * device we are querying 181 * device we are querying
180 * ret_buffer - a pointer to a buffer to receive the 182 * ret_buffer - Pointer to a buffer to receive the
181 * resources for the device 183 * current resources for the device
182 * 184 *
183 * RETURN: Status 185 * RETURN: Status
184 * 186 *
185 * DESCRIPTION: This function is called to get a list of the possible resources 187 * DESCRIPTION: This function is called to get the current resources for a
186 * for a specific device. The caller must first acquire a handle 188 * specific device. The caller must first acquire a handle for
187 * for the desired device. The resource data is placed in the 189 * the desired device. The resource data is placed in the buffer
188 * buffer pointed to by the ret_buffer variable. 190 * pointed to by the ret_buffer variable parameter.
189 * 191 *
190 * If the function fails an appropriate status will be returned 192 * If the function fails an appropriate status will be returned
191 * and the value of ret_buffer is undefined. 193 * and the value of ret_buffer is undefined.
192 * 194 *
195 * This function attempts to execute the _CRS method contained in
196 * the object indicated by the passed device_handle.
197 *
193 ******************************************************************************/ 198 ******************************************************************************/
194
195#ifdef ACPI_FUTURE_USAGE
196acpi_status 199acpi_status
197acpi_get_possible_resources(acpi_handle device_handle, 200acpi_get_current_resources(acpi_handle device_handle,
198 struct acpi_buffer *ret_buffer) 201 struct acpi_buffer *ret_buffer)
199{ 202{
200 acpi_status status; 203 acpi_status status;
204 struct acpi_namespace_node *node;
201 205
202 ACPI_FUNCTION_TRACE("acpi_get_possible_resources"); 206 ACPI_FUNCTION_TRACE(acpi_get_current_resources);
203 207
204 /* 208 /* Validate parameters then dispatch to internal routine */
205 * Must have a valid handle and buffer, So we have to have a handle
206 * and a return buffer structure, and if there is a non-zero buffer length
207 * we also need a valid pointer in the buffer. If it's a zero buffer length,
208 * we'll be returning the needed buffer size, so keep going.
209 */
210 if (!device_handle) {
211 return_ACPI_STATUS(AE_BAD_PARAMETER);
212 }
213 209
214 status = acpi_ut_validate_buffer(ret_buffer); 210 status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
215 if (ACPI_FAILURE(status)) { 211 if (ACPI_FAILURE(status)) {
216 return_ACPI_STATUS(status); 212 return_ACPI_STATUS(status);
217 } 213 }
218 214
219 status = acpi_rs_get_prs_method_data(device_handle, ret_buffer); 215 status = acpi_rs_get_crs_method_data(node, ret_buffer);
220 return_ACPI_STATUS(status); 216 return_ACPI_STATUS(status);
221} 217}
222 218
223EXPORT_SYMBOL(acpi_get_possible_resources); 219ACPI_EXPORT_SYMBOL(acpi_get_current_resources)
224#endif /* ACPI_FUTURE_USAGE */
225 220
221#ifdef ACPI_FUTURE_USAGE
226/******************************************************************************* 222/*******************************************************************************
227 * 223 *
228 * FUNCTION: acpi_walk_resources 224 * FUNCTION: acpi_get_possible_resources
229 * 225 *
230 * PARAMETERS: device_handle - Handle to the device object for the 226 * PARAMETERS: device_handle - Handle to the device object for the
231 * device we are querying 227 * device we are querying
232 * Name - Method name of the resources we want 228 * ret_buffer - Pointer to a buffer to receive the
233 * (METHOD_NAME__CRS or METHOD_NAME__PRS) 229 * resources for the device
234 * user_function - Called for each resource
235 * Context - Passed to user_function
236 * 230 *
237 * RETURN: Status 231 * RETURN: Status
238 * 232 *
239 * DESCRIPTION: Retrieves the current or possible resource list for the 233 * DESCRIPTION: This function is called to get a list of the possible resources
240 * specified device. The user_function is called once for 234 * for a specific device. The caller must first acquire a handle
241 * each resource in the list. 235 * for the desired device. The resource data is placed in the
236 * buffer pointed to by the ret_buffer variable.
237 *
238 * If the function fails an appropriate status will be returned
239 * and the value of ret_buffer is undefined.
242 * 240 *
243 ******************************************************************************/ 241 ******************************************************************************/
244
245acpi_status 242acpi_status
246acpi_walk_resources(acpi_handle device_handle, 243acpi_get_possible_resources(acpi_handle device_handle,
247 char *name, 244 struct acpi_buffer *ret_buffer)
248 ACPI_WALK_RESOURCE_CALLBACK user_function, void *context)
249{ 245{
250 acpi_status status; 246 acpi_status status;
251 struct acpi_buffer buffer; 247 struct acpi_namespace_node *node;
252 struct acpi_resource *resource;
253 struct acpi_resource *resource_end;
254
255 ACPI_FUNCTION_TRACE("acpi_walk_resources");
256
257 /* Parameter validation */
258 248
259 if (!device_handle || !user_function || !name || 249 ACPI_FUNCTION_TRACE(acpi_get_possible_resources);
260 (ACPI_STRNCMP(name, METHOD_NAME__CRS, sizeof(METHOD_NAME__CRS)) &&
261 ACPI_STRNCMP(name, METHOD_NAME__PRS, sizeof(METHOD_NAME__PRS)))) {
262 return_ACPI_STATUS(AE_BAD_PARAMETER);
263 }
264 250
265 /* Get the _CRS or _PRS resource list */ 251 /* Validate parameters then dispatch to internal routine */
266 252
267 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; 253 status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node);
268 status = acpi_rs_get_method_data(device_handle, name, &buffer);
269 if (ACPI_FAILURE(status)) { 254 if (ACPI_FAILURE(status)) {
270 return_ACPI_STATUS(status); 255 return_ACPI_STATUS(status);
271 } 256 }
272 257
273 /* Buffer now contains the resource list */ 258 status = acpi_rs_get_prs_method_data(node, ret_buffer);
274
275 resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
276 resource_end =
277 ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
278
279 /* Walk the resource list until the end_tag is found (or buffer end) */
280
281 while (resource < resource_end) {
282 /* Sanity check the resource */
283
284 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
285 status = AE_AML_INVALID_RESOURCE_TYPE;
286 break;
287 }
288
289 /* Invoke the user function, abort on any error returned */
290
291 status = user_function(resource, context);
292 if (ACPI_FAILURE(status)) {
293 if (status == AE_CTRL_TERMINATE) {
294 /* This is an OK termination by the user function */
295
296 status = AE_OK;
297 }
298 break;
299 }
300
301 /* end_tag indicates end-of-list */
302
303 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
304 break;
305 }
306
307 /* Get the next resource descriptor */
308
309 resource =
310 ACPI_ADD_PTR(struct acpi_resource, resource,
311 resource->length);
312 }
313
314 ACPI_MEM_FREE(buffer.pointer);
315 return_ACPI_STATUS(status); 259 return_ACPI_STATUS(status);
316} 260}
317 261
318EXPORT_SYMBOL(acpi_walk_resources); 262ACPI_EXPORT_SYMBOL(acpi_get_possible_resources)
263#endif /* ACPI_FUTURE_USAGE */
319 264
320/******************************************************************************* 265/*******************************************************************************
321 * 266 *
322 * FUNCTION: acpi_set_current_resources 267 * FUNCTION: acpi_set_current_resources
323 * 268 *
324 * PARAMETERS: device_handle - a handle to the device object for the 269 * PARAMETERS: device_handle - Handle to the device object for the
325 * device we are changing the resources of 270 * device we are setting resources
326 * in_buffer - a pointer to a buffer containing the 271 * in_buffer - Pointer to a buffer containing the
327 * resources to be set for the device 272 * resources to be set for the device
328 * 273 *
329 * RETURN: Status 274 * RETURN: Status
330 * 275 *
331 * DESCRIPTION: This function is called to set the current resources for a 276 * DESCRIPTION: This function is called to set the current resources for a
332 * specific device. The caller must first acquire a handle for 277 * specific device. The caller must first acquire a handle for
333 * the desired device. The resource data is passed to the routine 278 * the desired device. The resource data is passed to the routine
334 * the buffer pointed to by the in_buffer variable. 279 * the buffer pointed to by the in_buffer variable.
335 * 280 *
336 ******************************************************************************/ 281 ******************************************************************************/
337
338acpi_status 282acpi_status
339acpi_set_current_resources(acpi_handle device_handle, 283acpi_set_current_resources(acpi_handle device_handle,
340 struct acpi_buffer *in_buffer) 284 struct acpi_buffer *in_buffer)
341{ 285{
342 acpi_status status; 286 acpi_status status;
287 struct acpi_namespace_node *node;
343 288
344 ACPI_FUNCTION_TRACE("acpi_set_current_resources"); 289 ACPI_FUNCTION_TRACE(acpi_set_current_resources);
345 290
346 /* Must have a valid handle and buffer */ 291 /* Validate the buffer, don't allow zero length */
347 292
348 if ((!device_handle) || 293 if ((!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
349 (!in_buffer) || (!in_buffer->pointer) || (!in_buffer->length)) {
350 return_ACPI_STATUS(AE_BAD_PARAMETER); 294 return_ACPI_STATUS(AE_BAD_PARAMETER);
351 } 295 }
352 296
353 status = acpi_rs_set_srs_method_data(device_handle, in_buffer); 297 /* Validate parameters then dispatch to internal routine */
298
299 status = acpi_rs_validate_parameters(device_handle, in_buffer, &node);
300 if (ACPI_FAILURE(status)) {
301 return_ACPI_STATUS(status);
302 }
303
304 status = acpi_rs_set_srs_method_data(node, in_buffer);
354 return_ACPI_STATUS(status); 305 return_ACPI_STATUS(status);
355} 306}
356 307
357EXPORT_SYMBOL(acpi_set_current_resources); 308ACPI_EXPORT_SYMBOL(acpi_set_current_resources)
358 309
359/****************************************************************************** 310/******************************************************************************
360 * 311 *
361 * FUNCTION: acpi_resource_to_address64 312 * FUNCTION: acpi_resource_to_address64
362 * 313 *
363 * PARAMETERS: Resource - Pointer to a resource 314 * PARAMETERS: Resource - Pointer to a resource
364 * Out - Pointer to the users's return 315 * Out - Pointer to the users's return buffer
365 * buffer (a struct 316 * (a struct acpi_resource_address64)
366 * struct acpi_resource_address64)
367 * 317 *
368 * RETURN: Status 318 * RETURN: Status
369 * 319 *
370 * DESCRIPTION: If the resource is an address16, address32, or address64, 320 * DESCRIPTION: If the resource is an address16, address32, or address64,
371 * copy it to the address64 return buffer. This saves the 321 * copy it to the address64 return buffer. This saves the
372 * caller from having to duplicate code for different-sized 322 * caller from having to duplicate code for different-sized
373 * addresses. 323 * addresses.
374 * 324 *
375 ******************************************************************************/ 325 ******************************************************************************/
376
377acpi_status 326acpi_status
378acpi_resource_to_address64(struct acpi_resource *resource, 327acpi_resource_to_address64(struct acpi_resource *resource,
379 struct acpi_resource_address64 *out) 328 struct acpi_resource_address64 *out)
@@ -415,18 +364,18 @@ acpi_resource_to_address64(struct acpi_resource *resource,
415 return (AE_OK); 364 return (AE_OK);
416} 365}
417 366
418EXPORT_SYMBOL(acpi_resource_to_address64); 367ACPI_EXPORT_SYMBOL(acpi_resource_to_address64)
419 368
420/******************************************************************************* 369/*******************************************************************************
421 * 370 *
422 * FUNCTION: acpi_get_vendor_resource 371 * FUNCTION: acpi_get_vendor_resource
423 * 372 *
424 * PARAMETERS: device_handle - Handle for the parent device object 373 * PARAMETERS: device_handle - Handle for the parent device object
425 * Name - Method name for the parent resource 374 * Name - Method name for the parent resource
426 * (METHOD_NAME__CRS or METHOD_NAME__PRS) 375 * (METHOD_NAME__CRS or METHOD_NAME__PRS)
427 * Uuid - Pointer to the UUID to be matched. 376 * Uuid - Pointer to the UUID to be matched.
428 * includes both subtype and 16-byte UUID 377 * includes both subtype and 16-byte UUID
429 * ret_buffer - Where the vendor resource is returned 378 * ret_buffer - Where the vendor resource is returned
430 * 379 *
431 * RETURN: Status 380 * RETURN: Status
432 * 381 *
@@ -435,7 +384,6 @@ EXPORT_SYMBOL(acpi_resource_to_address64);
435 * UUID subtype. Returns a struct acpi_resource of type Vendor. 384 * UUID subtype. Returns a struct acpi_resource of type Vendor.
436 * 385 *
437 ******************************************************************************/ 386 ******************************************************************************/
438
439acpi_status 387acpi_status
440acpi_get_vendor_resource(acpi_handle device_handle, 388acpi_get_vendor_resource(acpi_handle device_handle,
441 char *name, 389 char *name,
@@ -467,18 +415,19 @@ acpi_get_vendor_resource(acpi_handle device_handle,
467 return (info.status); 415 return (info.status);
468} 416}
469 417
418ACPI_EXPORT_SYMBOL(acpi_get_vendor_resource)
419
470/******************************************************************************* 420/*******************************************************************************
471 * 421 *
472 * FUNCTION: acpi_rs_match_vendor_resource 422 * FUNCTION: acpi_rs_match_vendor_resource
473 * 423 *
474 * PARAMETERS: ACPI_WALK_RESOURCE_CALLBACK 424 * PARAMETERS: acpi_walk_resource_callback
475 * 425 *
476 * RETURN: Status 426 * RETURN: Status
477 * 427 *
478 * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID 428 * DESCRIPTION: Match a vendor resource via the ACPI 3.0 UUID
479 * 429 *
480 ******************************************************************************/ 430 ******************************************************************************/
481
482static acpi_status 431static acpi_status
483acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) 432acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
484{ 433{
@@ -526,3 +475,101 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context)
526 info->status = AE_OK; 475 info->status = AE_OK;
527 return (AE_CTRL_TERMINATE); 476 return (AE_CTRL_TERMINATE);
528} 477}
478
479ACPI_EXPORT_SYMBOL(acpi_rs_match_vendor_resource)
480
481/*******************************************************************************
482 *
483 * FUNCTION: acpi_walk_resources
484 *
485 * PARAMETERS: device_handle - Handle to the device object for the
486 * device we are querying
487 * Name - Method name of the resources we want
488 * (METHOD_NAME__CRS or METHOD_NAME__PRS)
489 * user_function - Called for each resource
490 * Context - Passed to user_function
491 *
492 * RETURN: Status
493 *
494 * DESCRIPTION: Retrieves the current or possible resource list for the
495 * specified device. The user_function is called once for
496 * each resource in the list.
497 *
498 ******************************************************************************/
499
500acpi_status
501acpi_walk_resources(acpi_handle device_handle,
502 char *name,
503 acpi_walk_resource_callback user_function, void *context)
504{
505 acpi_status status;
506 struct acpi_buffer buffer;
507 struct acpi_resource *resource;
508 struct acpi_resource *resource_end;
509
510 ACPI_FUNCTION_TRACE(acpi_walk_resources);
511
512 /* Parameter validation */
513
514 if (!device_handle || !user_function || !name ||
515 (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) &&
516 !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) {
517 return_ACPI_STATUS(AE_BAD_PARAMETER);
518 }
519
520 /* Get the _CRS or _PRS resource list */
521
522 buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
523 status = acpi_rs_get_method_data(device_handle, name, &buffer);
524 if (ACPI_FAILURE(status)) {
525 return_ACPI_STATUS(status);
526 }
527
528 /* Buffer now contains the resource list */
529
530 resource = ACPI_CAST_PTR(struct acpi_resource, buffer.pointer);
531 resource_end =
532 ACPI_ADD_PTR(struct acpi_resource, buffer.pointer, buffer.length);
533
534 /* Walk the resource list until the end_tag is found (or buffer end) */
535
536 while (resource < resource_end) {
537
538 /* Sanity check the resource */
539
540 if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
541 status = AE_AML_INVALID_RESOURCE_TYPE;
542 break;
543 }
544
545 /* Invoke the user function, abort on any error returned */
546
547 status = user_function(resource, context);
548 if (ACPI_FAILURE(status)) {
549 if (status == AE_CTRL_TERMINATE) {
550
551 /* This is an OK termination by the user function */
552
553 status = AE_OK;
554 }
555 break;
556 }
557
558 /* end_tag indicates end-of-list */
559
560 if (resource->type == ACPI_RESOURCE_TYPE_END_TAG) {
561 break;
562 }
563
564 /* Get the next resource descriptor */
565
566 resource =
567 ACPI_ADD_PTR(struct acpi_resource, resource,
568 resource->length);
569 }
570
571 ACPI_FREE(buffer.pointer);
572 return_ACPI_STATUS(status);
573}
574
575ACPI_EXPORT_SYMBOL(acpi_walk_resources)
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index e4308c7a6743..a934ac42178d 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -39,7 +39,7 @@ ACPI_MODULE_NAME("acpi_system")
39#define ACPI_SYSTEM_FILE_EVENT "event" 39#define ACPI_SYSTEM_FILE_EVENT "event"
40#define ACPI_SYSTEM_FILE_DSDT "dsdt" 40#define ACPI_SYSTEM_FILE_DSDT "dsdt"
41#define ACPI_SYSTEM_FILE_FADT "fadt" 41#define ACPI_SYSTEM_FILE_FADT "fadt"
42extern FADT_DESCRIPTOR acpi_fadt; 42extern struct fadt_descriptor acpi_fadt;
43 43
44/* -------------------------------------------------------------------------- 44/* --------------------------------------------------------------------------
45 FS Interface (/proc) 45 FS Interface (/proc)
@@ -82,7 +82,7 @@ acpi_system_read_dsdt(struct file *file,
82 82
83 ACPI_FUNCTION_TRACE("acpi_system_read_dsdt"); 83 ACPI_FUNCTION_TRACE("acpi_system_read_dsdt");
84 84
85 status = acpi_get_table(ACPI_TABLE_DSDT, 1, &dsdt); 85 status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt);
86 if (ACPI_FAILURE(status)) 86 if (ACPI_FAILURE(status))
87 return_VALUE(-ENODEV); 87 return_VALUE(-ENODEV);
88 88
@@ -110,7 +110,7 @@ acpi_system_read_fadt(struct file *file,
110 110
111 ACPI_FUNCTION_TRACE("acpi_system_read_fadt"); 111 ACPI_FUNCTION_TRACE("acpi_system_read_fadt");
112 112
113 status = acpi_get_table(ACPI_TABLE_FADT, 1, &fadt); 113 status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt);
114 if (ACPI_FAILURE(status)) 114 if (ACPI_FAILURE(status))
115 return_VALUE(-ENODEV); 115 return_VALUE(-ENODEV);
116 116
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 7f37c7cc5ef1..ed5e8816d83d 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -282,8 +282,8 @@ acpi_get_table_header_early(enum acpi_table_id id,
282 282
283 /* Map the DSDT header via the pointer in the FADT */ 283 /* Map the DSDT header via the pointer in the FADT */
284 if (id == ACPI_DSDT) { 284 if (id == ACPI_DSDT) {
285 struct fadt_descriptor_rev2 *fadt = 285 struct fadt_descriptor *fadt =
286 (struct fadt_descriptor_rev2 *)*header; 286 (struct fadt_descriptor *)*header;
287 287
288 if (fadt->revision == 3 && fadt->Xdsdt) { 288 if (fadt->revision == 3 && fadt->Xdsdt) {
289 *header = (void *)__acpi_map_table(fadt->Xdsdt, 289 *header = (void *)__acpi_map_table(fadt->Xdsdt,
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 03b37d2223bc..d697fcb35d52 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -41,8 +41,6 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/actables.h> 45#include <acpi/actables.h>
48 46
@@ -56,15 +54,15 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
56 acpi_physical_address address); 54 acpi_physical_address address);
57 55
58static void 56static void
59acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, 57acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
60 struct fadt_descriptor_rev1 *original_fadt); 58 struct fadt_descriptor_rev1 *original_fadt);
61 59
62static void 60static void
63acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, 61acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
64 struct fadt_descriptor_rev2 *original_fadt); 62 struct fadt_descriptor *original_fadt);
65 63
66u8 acpi_fadt_is_v1; 64u8 acpi_fadt_is_v1;
67EXPORT_SYMBOL(acpi_fadt_is_v1); 65ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1)
68 66
69/******************************************************************************* 67/*******************************************************************************
70 * 68 *
@@ -122,7 +120,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
122{ 120{
123 acpi_size table_size; 121 acpi_size table_size;
124 u32 i; 122 u32 i;
125 XSDT_DESCRIPTOR *new_table; 123 struct xsdt_descriptor *new_table;
126 124
127 ACPI_FUNCTION_ENTRY(); 125 ACPI_FUNCTION_ENTRY();
128 126
@@ -133,7 +131,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
133 131
134 /* Allocate an XSDT */ 132 /* Allocate an XSDT */
135 133
136 new_table = ACPI_MEM_CALLOCATE(table_size); 134 new_table = ACPI_ALLOCATE_ZEROED(table_size);
137 if (!new_table) { 135 if (!new_table) {
138 return (AE_NO_MEMORY); 136 return (AE_NO_MEMORY);
139 } 137 }
@@ -147,17 +145,18 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
147 /* Copy the table pointers */ 145 /* Copy the table pointers */
148 146
149 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { 147 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
148
150 /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */ 149 /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
151 150
152 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { 151 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
153 ACPI_STORE_ADDRESS(new_table->table_offset_entry[i], 152 ACPI_STORE_ADDRESS(new_table->table_offset_entry[i],
154 (ACPI_CAST_PTR 153 (ACPI_CAST_PTR
155 (struct rsdt_descriptor_rev1, 154 (struct rsdt_descriptor,
156 table_info->pointer))-> 155 table_info->pointer))->
157 table_offset_entry[i]); 156 table_offset_entry[i]);
158 } else { 157 } else {
159 new_table->table_offset_entry[i] = 158 new_table->table_offset_entry[i] =
160 (ACPI_CAST_PTR(XSDT_DESCRIPTOR, 159 (ACPI_CAST_PTR(struct xsdt_descriptor,
161 table_info->pointer))-> 160 table_info->pointer))->
162 table_offset_entry[i]; 161 table_offset_entry[i];
163 } 162 }
@@ -219,7 +218,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
219 ******************************************************************************/ 218 ******************************************************************************/
220 219
221static void 220static void
222acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, 221acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
223 struct fadt_descriptor_rev1 *original_fadt) 222 struct fadt_descriptor_rev1 *original_fadt)
224{ 223{
225 224
@@ -365,14 +364,13 @@ acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
365 ******************************************************************************/ 364 ******************************************************************************/
366 365
367static void 366static void
368acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, 367acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
369 struct fadt_descriptor_rev2 *original_fadt) 368 struct fadt_descriptor *original_fadt)
370{ 369{
371 370
372 /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */ 371 /* We have an ACPI 2.0 FADT but we must copy it to our local buffer */
373 372
374 ACPI_MEMCPY(local_fadt, original_fadt, 373 ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor));
375 sizeof(struct fadt_descriptor_rev2));
376 374
377 /* 375 /*
378 * "X" fields are optional extensions to the original V1.0 fields, so 376 * "X" fields are optional extensions to the original V1.0 fields, so
@@ -491,10 +489,10 @@ acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
491 489
492acpi_status acpi_tb_convert_table_fadt(void) 490acpi_status acpi_tb_convert_table_fadt(void)
493{ 491{
494 struct fadt_descriptor_rev2 *local_fadt; 492 struct fadt_descriptor *local_fadt;
495 struct acpi_table_desc *table_desc; 493 struct acpi_table_desc *table_desc;
496 494
497 ACPI_FUNCTION_TRACE("tb_convert_table_fadt"); 495 ACPI_FUNCTION_TRACE(tb_convert_table_fadt);
498 496
499 /* 497 /*
500 * acpi_gbl_FADT is valid. Validate the FADT length. The table must be 498 * acpi_gbl_FADT is valid. Validate the FADT length. The table must be
@@ -508,13 +506,14 @@ acpi_status acpi_tb_convert_table_fadt(void)
508 506
509 /* Allocate buffer for the ACPI 2.0(+) FADT */ 507 /* Allocate buffer for the ACPI 2.0(+) FADT */
510 508
511 local_fadt = ACPI_MEM_CALLOCATE(sizeof(struct fadt_descriptor_rev2)); 509 local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor));
512 if (!local_fadt) { 510 if (!local_fadt) {
513 return_ACPI_STATUS(AE_NO_MEMORY); 511 return_ACPI_STATUS(AE_NO_MEMORY);
514 } 512 }
515 513
516 if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) { 514 if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) {
517 if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev2)) { 515 if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) {
516
518 /* Length is too short to be a V2.0 table */ 517 /* Length is too short to be a V2.0 table */
519 518
520 ACPI_WARNING((AE_INFO, 519 ACPI_WARNING((AE_INFO,
@@ -538,11 +537,11 @@ acpi_status acpi_tb_convert_table_fadt(void)
538 /* Global FADT pointer will point to the new common V2.0 FADT */ 537 /* Global FADT pointer will point to the new common V2.0 FADT */
539 538
540 acpi_gbl_FADT = local_fadt; 539 acpi_gbl_FADT = local_fadt;
541 acpi_gbl_FADT->length = sizeof(FADT_DESCRIPTOR); 540 acpi_gbl_FADT->length = sizeof(struct fadt_descriptor);
542 541
543 /* Free the original table */ 542 /* Free the original table */
544 543
545 table_desc = acpi_gbl_table_lists[ACPI_TABLE_FADT].next; 544 table_desc = acpi_gbl_table_lists[ACPI_TABLE_ID_FADT].next;
546 acpi_tb_delete_single_table(table_desc); 545 acpi_tb_delete_single_table(table_desc);
547 546
548 /* Install the new table */ 547 /* Install the new table */
@@ -550,7 +549,7 @@ acpi_status acpi_tb_convert_table_fadt(void)
550 table_desc->pointer = 549 table_desc->pointer =
551 ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT); 550 ACPI_CAST_PTR(struct acpi_table_header, acpi_gbl_FADT);
552 table_desc->allocation = ACPI_MEM_ALLOCATED; 551 table_desc->allocation = ACPI_MEM_ALLOCATED;
553 table_desc->length = sizeof(struct fadt_descriptor_rev2); 552 table_desc->length = sizeof(struct fadt_descriptor);
554 553
555 /* Dump the entire FADT */ 554 /* Dump the entire FADT */
556 555
@@ -580,7 +579,7 @@ acpi_status acpi_tb_convert_table_fadt(void)
580acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info) 579acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
581{ 580{
582 581
583 ACPI_FUNCTION_TRACE("tb_build_common_facs"); 582 ACPI_FUNCTION_TRACE(tb_build_common_facs);
584 583
585 /* Absolute minimum length is 24, but the ACPI spec says 64 */ 584 /* Absolute minimum length is 24, but the ACPI spec says 64 */
586 585
@@ -603,6 +602,7 @@ acpi_status acpi_tb_build_common_facs(struct acpi_table_desc *table_info)
603 if ((acpi_gbl_RSDP->revision < 2) || 602 if ((acpi_gbl_RSDP->revision < 2) ||
604 (acpi_gbl_FACS->length < 32) || 603 (acpi_gbl_FACS->length < 32) ||
605 (!(acpi_gbl_FACS->xfirmware_waking_vector))) { 604 (!(acpi_gbl_FACS->xfirmware_waking_vector))) {
605
606 /* ACPI 1.0 FACS or short table or optional X_ field is zero */ 606 /* ACPI 1.0 FACS or short table or optional X_ field is zero */
607 607
608 acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR(u64, 608 acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR(u64,
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c
index 09b4ee6dfd60..99eacceff563 100644
--- a/drivers/acpi/tables/tbget.c
+++ b/drivers/acpi/tables/tbget.c
@@ -78,7 +78,7 @@ acpi_tb_get_table(struct acpi_pointer *address,
78 acpi_status status; 78 acpi_status status;
79 struct acpi_table_header header; 79 struct acpi_table_header header;
80 80
81 ACPI_FUNCTION_TRACE("tb_get_table"); 81 ACPI_FUNCTION_TRACE(tb_get_table);
82 82
83 /* Get the header in order to get signature and table size */ 83 /* Get the header in order to get signature and table size */
84 84
@@ -124,7 +124,7 @@ acpi_tb_get_table_header(struct acpi_pointer *address,
124 acpi_status status = AE_OK; 124 acpi_status status = AE_OK;
125 struct acpi_table_header *header = NULL; 125 struct acpi_table_header *header = NULL;
126 126
127 ACPI_FUNCTION_TRACE("tb_get_table_header"); 127 ACPI_FUNCTION_TRACE(tb_get_table_header);
128 128
129 /* 129 /*
130 * Flags contains the current processor mode (Virtual or Physical 130 * Flags contains the current processor mode (Virtual or Physical
@@ -148,6 +148,10 @@ acpi_tb_get_table_header(struct acpi_pointer *address,
148 sizeof(struct acpi_table_header), 148 sizeof(struct acpi_table_header),
149 (void *)&header); 149 (void *)&header);
150 if (ACPI_FAILURE(status)) { 150 if (ACPI_FAILURE(status)) {
151 ACPI_ERROR((AE_INFO,
152 "Could not map memory at %8.8X%8.8X for table header",
153 ACPI_FORMAT_UINT64(address->pointer.
154 physical)));
151 return_ACPI_STATUS(status); 155 return_ACPI_STATUS(status);
152 } 156 }
153 157
@@ -198,7 +202,7 @@ acpi_tb_get_table_body(struct acpi_pointer *address,
198{ 202{
199 acpi_status status; 203 acpi_status status;
200 204
201 ACPI_FUNCTION_TRACE("tb_get_table_body"); 205 ACPI_FUNCTION_TRACE(tb_get_table_body);
202 206
203 if (!table_info || !address) { 207 if (!table_info || !address) {
204 return_ACPI_STATUS(AE_BAD_PARAMETER); 208 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -208,6 +212,7 @@ acpi_tb_get_table_body(struct acpi_pointer *address,
208 212
209 status = acpi_tb_table_override(header, table_info); 213 status = acpi_tb_table_override(header, table_info);
210 if (ACPI_SUCCESS(status)) { 214 if (ACPI_SUCCESS(status)) {
215
211 /* Table was overridden by the host OS */ 216 /* Table was overridden by the host OS */
212 217
213 return_ACPI_STATUS(status); 218 return_ACPI_STATUS(status);
@@ -241,7 +246,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
241 acpi_status status; 246 acpi_status status;
242 struct acpi_pointer address; 247 struct acpi_pointer address;
243 248
244 ACPI_FUNCTION_TRACE("tb_table_override"); 249 ACPI_FUNCTION_TRACE(tb_table_override);
245 250
246 /* 251 /*
247 * The OSL will examine the header and decide whether to override this 252 * The OSL will examine the header and decide whether to override this
@@ -250,6 +255,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
250 */ 255 */
251 status = acpi_os_table_override(header, &new_table); 256 status = acpi_os_table_override(header, &new_table);
252 if (ACPI_FAILURE(status)) { 257 if (ACPI_FAILURE(status)) {
258
253 /* Some severe error from the OSL, but we basically ignore it */ 259 /* Some severe error from the OSL, but we basically ignore it */
254 260
255 ACPI_EXCEPTION((AE_INFO, status, 261 ACPI_EXCEPTION((AE_INFO, status,
@@ -258,6 +264,7 @@ acpi_tb_table_override(struct acpi_table_header *header,
258 } 264 }
259 265
260 if (!new_table) { 266 if (!new_table) {
267
261 /* No table override */ 268 /* No table override */
262 269
263 return_ACPI_STATUS(AE_NO_ACPI_TABLES); 270 return_ACPI_STATUS(AE_NO_ACPI_TABLES);
@@ -311,7 +318,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
311 u8 allocation; 318 u8 allocation;
312 acpi_status status = AE_OK; 319 acpi_status status = AE_OK;
313 320
314 ACPI_FUNCTION_TRACE("tb_get_this_table"); 321 ACPI_FUNCTION_TRACE(tb_get_this_table);
315 322
316 /* 323 /*
317 * Flags contains the current processor mode (Virtual or Physical 324 * Flags contains the current processor mode (Virtual or Physical
@@ -323,7 +330,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
323 330
324 /* Pointer matches processor mode, copy the table to a new buffer */ 331 /* Pointer matches processor mode, copy the table to a new buffer */
325 332
326 full_table = ACPI_MEM_ALLOCATE(header->length); 333 full_table = ACPI_ALLOCATE(header->length);
327 if (!full_table) { 334 if (!full_table) {
328 ACPI_ERROR((AE_INFO, 335 ACPI_ERROR((AE_INFO,
329 "Could not allocate table memory for [%4.4s] length %X", 336 "Could not allocate table memory for [%4.4s] length %X",
@@ -376,11 +383,12 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
376 * Validate checksum for _most_ tables, 383 * Validate checksum for _most_ tables,
377 * even the ones whose signature we don't recognize 384 * even the ones whose signature we don't recognize
378 */ 385 */
379 if (table_info->type != ACPI_TABLE_FACS) { 386 if (table_info->type != ACPI_TABLE_ID_FACS) {
380 status = acpi_tb_verify_table_checksum(full_table); 387 status = acpi_tb_verify_table_checksum(full_table);
381 388
382#if (!ACPI_CHECKSUM_ABORT) 389#if (!ACPI_CHECKSUM_ABORT)
383 if (ACPI_FAILURE(status)) { 390 if (ACPI_FAILURE(status)) {
391
384 /* Ignore the error if configuration says so */ 392 /* Ignore the error if configuration says so */
385 393
386 status = AE_OK; 394 status = AE_OK;
@@ -409,7 +417,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
409 * 417 *
410 * PARAMETERS: table_type - one of the defined table types 418 * PARAMETERS: table_type - one of the defined table types
411 * Instance - Which table of this type 419 * Instance - Which table of this type
412 * table_ptr_loc - pointer to location to place the pointer for 420 * return_table - pointer to location to place the pointer for
413 * return 421 * return
414 * 422 *
415 * RETURN: Status 423 * RETURN: Status
@@ -420,57 +428,34 @@ acpi_tb_get_this_table(struct acpi_pointer *address,
420 428
421acpi_status 429acpi_status
422acpi_tb_get_table_ptr(acpi_table_type table_type, 430acpi_tb_get_table_ptr(acpi_table_type table_type,
423 u32 instance, struct acpi_table_header **table_ptr_loc) 431 u32 instance, struct acpi_table_header **return_table)
424{ 432{
425 struct acpi_table_desc *table_desc; 433 struct acpi_table_desc *table_desc;
426 u32 i; 434 u32 i;
427 435
428 ACPI_FUNCTION_TRACE("tb_get_table_ptr"); 436 ACPI_FUNCTION_TRACE(tb_get_table_ptr);
429
430 if (!acpi_gbl_DSDT) {
431 return_ACPI_STATUS(AE_NO_ACPI_TABLES);
432 }
433 437
434 if (table_type > ACPI_TABLE_MAX) { 438 if (table_type > ACPI_TABLE_ID_MAX) {
435 return_ACPI_STATUS(AE_BAD_PARAMETER); 439 return_ACPI_STATUS(AE_BAD_PARAMETER);
436 } 440 }
437 441
438 /* 442 /* Check for instance out of range of the current table count */
439 * For all table types (Single/Multiple), the first
440 * instance is always in the list head.
441 */
442 if (instance == 1) {
443 /* Get the first */
444
445 *table_ptr_loc = NULL;
446 if (acpi_gbl_table_lists[table_type].next) {
447 *table_ptr_loc =
448 acpi_gbl_table_lists[table_type].next->pointer;
449 }
450 return_ACPI_STATUS(AE_OK);
451 }
452
453 /* Check for instance out of range */
454 443
455 if (instance > acpi_gbl_table_lists[table_type].count) { 444 if (instance > acpi_gbl_table_lists[table_type].count) {
456 return_ACPI_STATUS(AE_NOT_EXIST); 445 return_ACPI_STATUS(AE_NOT_EXIST);
457 } 446 }
458 447
459 /* Walk the list to get the desired table 448 /*
460 * Since the if (Instance == 1) check above checked for the 449 * Walk the list to get the desired table
461 * first table, setting table_desc equal to the .Next member 450 * Note: Instance is one-based
462 * is actually pointing to the second table. Therefore, we
463 * need to walk from the 2nd table until we reach the Instance
464 * that the user is looking for and return its table pointer.
465 */ 451 */
466 table_desc = acpi_gbl_table_lists[table_type].next; 452 table_desc = acpi_gbl_table_lists[table_type].next;
467 for (i = 2; i < instance; i++) { 453 for (i = 1; i < instance; i++) {
468 table_desc = table_desc->next; 454 table_desc = table_desc->next;
469 } 455 }
470 456
471 /* We are now pointing to the requested table's descriptor */ 457 /* We are now pointing to the requested table's descriptor */
472 458
473 *table_ptr_loc = table_desc->pointer; 459 *return_table = table_desc->pointer;
474
475 return_ACPI_STATUS(AE_OK); 460 return_ACPI_STATUS(AE_OK);
476} 461}
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
index 134e5dce0bc1..ad982112e4c6 100644
--- a/drivers/acpi/tables/tbgetall.c
+++ b/drivers/acpi/tables/tbgetall.c
@@ -77,7 +77,7 @@ acpi_tb_get_primary_table(struct acpi_pointer *address,
77 acpi_status status; 77 acpi_status status;
78 struct acpi_table_header header; 78 struct acpi_table_header header;
79 79
80 ACPI_FUNCTION_TRACE("tb_get_primary_table"); 80 ACPI_FUNCTION_TRACE(tb_get_primary_table);
81 81
82 /* Ignore a NULL address in the RSDT */ 82 /* Ignore a NULL address in the RSDT */
83 83
@@ -140,7 +140,7 @@ acpi_tb_get_secondary_table(struct acpi_pointer *address,
140 acpi_status status; 140 acpi_status status;
141 struct acpi_table_header header; 141 struct acpi_table_header header;
142 142
143 ACPI_FUNCTION_TRACE_STR("tb_get_secondary_table", signature); 143 ACPI_FUNCTION_TRACE_STR(tb_get_secondary_table, signature);
144 144
145 /* Get the header in order to match the signature */ 145 /* Get the header in order to match the signature */
146 146
@@ -151,7 +151,7 @@ acpi_tb_get_secondary_table(struct acpi_pointer *address,
151 151
152 /* Signature must match request */ 152 /* Signature must match request */
153 153
154 if (ACPI_STRNCMP(header.signature, signature, ACPI_NAME_SIZE)) { 154 if (!ACPI_COMPARE_NAME(header.signature, signature)) {
155 ACPI_ERROR((AE_INFO, 155 ACPI_ERROR((AE_INFO,
156 "Incorrect table signature - wanted [%s] found [%4.4s]", 156 "Incorrect table signature - wanted [%s] found [%4.4s]",
157 signature, header.signature)); 157 signature, header.signature));
@@ -207,7 +207,7 @@ acpi_status acpi_tb_get_required_tables(void)
207 struct acpi_table_desc table_info; 207 struct acpi_table_desc table_info;
208 struct acpi_pointer address; 208 struct acpi_pointer address;
209 209
210 ACPI_FUNCTION_TRACE("tb_get_required_tables"); 210 ACPI_FUNCTION_TRACE(tb_get_required_tables);
211 211
212 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n", 212 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "%d ACPI tables in RSDT\n",
213 acpi_gbl_rsdt_table_count)); 213 acpi_gbl_rsdt_table_count));
@@ -223,6 +223,7 @@ acpi_status acpi_tb_get_required_tables(void)
223 * any SSDTs. 223 * any SSDTs.
224 */ 224 */
225 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { 225 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
226
226 /* Get the table address from the common internal XSDT */ 227 /* Get the table address from the common internal XSDT */
227 228
228 address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i]; 229 address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i];
@@ -305,6 +306,6 @@ acpi_status acpi_tb_get_required_tables(void)
305 306
306 /* Always delete the RSDP mapping, we are done with it */ 307 /* Always delete the RSDP mapping, we are done with it */
307 308
308 acpi_tb_delete_tables_by_type(ACPI_TABLE_RSDP); 309 acpi_tb_delete_tables_by_type(ACPI_TABLE_ID_RSDP);
309 return_ACPI_STATUS(status); 310 return_ACPI_STATUS(status);
310} 311}
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 7ffd0fddb4e5..7ca2df75bb11 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -73,17 +73,18 @@ acpi_tb_match_signature(char *signature,
73{ 73{
74 acpi_native_uint i; 74 acpi_native_uint i;
75 75
76 ACPI_FUNCTION_TRACE("tb_match_signature"); 76 ACPI_FUNCTION_TRACE(tb_match_signature);
77 77
78 /* Search for a signature match among the known table types */ 78 /* Search for a signature match among the known table types */
79 79
80 for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { 80 for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
81 if (!(acpi_gbl_table_data[i].flags & search_type)) { 81 if (!(acpi_gbl_table_data[i].flags & search_type)) {
82 continue; 82 continue;
83 } 83 }
84 84
85 if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature, 85 if (!ACPI_STRNCMP(signature, acpi_gbl_table_data[i].signature,
86 acpi_gbl_table_data[i].sig_length)) { 86 acpi_gbl_table_data[i].sig_length)) {
87
87 /* Found a signature match, return index if requested */ 88 /* Found a signature match, return index if requested */
88 89
89 if (table_info) { 90 if (table_info) {
@@ -122,7 +123,7 @@ acpi_status acpi_tb_install_table(struct acpi_table_desc *table_info)
122{ 123{
123 acpi_status status; 124 acpi_status status;
124 125
125 ACPI_FUNCTION_TRACE("tb_install_table"); 126 ACPI_FUNCTION_TRACE(tb_install_table);
126 127
127 /* Lock tables while installing */ 128 /* Lock tables while installing */
128 129
@@ -187,7 +188,7 @@ acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
187 struct acpi_table_header *table_header; 188 struct acpi_table_header *table_header;
188 acpi_status status; 189 acpi_status status;
189 190
190 ACPI_FUNCTION_TRACE("tb_recognize_table"); 191 ACPI_FUNCTION_TRACE(tb_recognize_table);
191 192
192 /* Ensure that we have a valid table pointer */ 193 /* Ensure that we have a valid table pointer */
193 194
@@ -218,7 +219,6 @@ acpi_tb_recognize_table(struct acpi_table_desc *table_info, u8 search_type)
218 /* Return the table type and length via the info struct */ 219 /* Return the table type and length via the info struct */
219 220
220 table_info->length = (acpi_size) table_header->length; 221 table_info->length = (acpi_size) table_header->length;
221
222 return_ACPI_STATUS(status); 222 return_ACPI_STATUS(status);
223} 223}
224 224
@@ -243,11 +243,11 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
243 struct acpi_table_desc *table_desc; 243 struct acpi_table_desc *table_desc;
244 acpi_status status; 244 acpi_status status;
245 245
246 ACPI_FUNCTION_TRACE_U32("tb_init_table_descriptor", table_type); 246 ACPI_FUNCTION_TRACE_U32(tb_init_table_descriptor, table_type);
247 247
248 /* Allocate a descriptor for this table */ 248 /* Allocate a descriptor for this table */
249 249
250 table_desc = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc)); 250 table_desc = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
251 if (!table_desc) { 251 if (!table_desc) {
252 return_ACPI_STATUS(AE_NO_MEMORY); 252 return_ACPI_STATUS(AE_NO_MEMORY);
253 } 253 }
@@ -274,7 +274,7 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
274 * at this location, so return an error. 274 * at this location, so return an error.
275 */ 275 */
276 if (list_head->next) { 276 if (list_head->next) {
277 ACPI_MEM_FREE(table_desc); 277 ACPI_FREE(table_desc);
278 return_ACPI_STATUS(AE_ALREADY_EXISTS); 278 return_ACPI_STATUS(AE_ALREADY_EXISTS);
279 } 279 }
280 280
@@ -312,15 +312,14 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
312 312
313 /* Finish initialization of the table descriptor */ 313 /* Finish initialization of the table descriptor */
314 314
315 table_desc->loaded_into_namespace = FALSE;
315 table_desc->type = (u8) table_type; 316 table_desc->type = (u8) table_type;
316 table_desc->pointer = table_info->pointer; 317 table_desc->pointer = table_info->pointer;
317 table_desc->length = table_info->length; 318 table_desc->length = table_info->length;
318 table_desc->allocation = table_info->allocation; 319 table_desc->allocation = table_info->allocation;
319 table_desc->aml_start = (u8 *) (table_desc->pointer + 1), 320 table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
320 table_desc->aml_length = (u32) (table_desc->length - 321 table_desc->aml_length = (u32)
321 (u32) sizeof(struct 322 (table_desc->length - (u32) sizeof(struct acpi_table_header));
322 acpi_table_header));
323 table_desc->loaded_into_namespace = FALSE;
324 323
325 /* 324 /*
326 * Set the appropriate global pointer (if there is one) to point to the 325 * Set the appropriate global pointer (if there is one) to point to the
@@ -335,7 +334,6 @@ acpi_tb_init_table_descriptor(acpi_table_type table_type,
335 334
336 table_info->owner_id = table_desc->owner_id; 335 table_info->owner_id = table_desc->owner_id;
337 table_info->installed_desc = table_desc; 336 table_info->installed_desc = table_desc;
338
339 return_ACPI_STATUS(AE_OK); 337 return_ACPI_STATUS(AE_OK);
340} 338}
341 339
@@ -359,7 +357,7 @@ void acpi_tb_delete_all_tables(void)
359 * Free memory allocated for ACPI tables 357 * Free memory allocated for ACPI tables
360 * Memory can either be mapped or allocated 358 * Memory can either be mapped or allocated
361 */ 359 */
362 for (type = 0; type < NUM_ACPI_TABLE_TYPES; type++) { 360 for (type = 0; type < (ACPI_TABLE_ID_MAX + 1); type++) {
363 acpi_tb_delete_tables_by_type(type); 361 acpi_tb_delete_tables_by_type(type);
364 } 362 }
365} 363}
@@ -383,9 +381,9 @@ void acpi_tb_delete_tables_by_type(acpi_table_type type)
383 u32 count; 381 u32 count;
384 u32 i; 382 u32 i;
385 383
386 ACPI_FUNCTION_TRACE_U32("tb_delete_tables_by_type", type); 384 ACPI_FUNCTION_TRACE_U32(tb_delete_tables_by_type, type);
387 385
388 if (type > ACPI_TABLE_MAX) { 386 if (type > ACPI_TABLE_ID_MAX) {
389 return_VOID; 387 return_VOID;
390 } 388 }
391 389
@@ -396,28 +394,28 @@ void acpi_tb_delete_tables_by_type(acpi_table_type type)
396 /* Clear the appropriate "typed" global table pointer */ 394 /* Clear the appropriate "typed" global table pointer */
397 395
398 switch (type) { 396 switch (type) {
399 case ACPI_TABLE_RSDP: 397 case ACPI_TABLE_ID_RSDP:
400 acpi_gbl_RSDP = NULL; 398 acpi_gbl_RSDP = NULL;
401 break; 399 break;
402 400
403 case ACPI_TABLE_DSDT: 401 case ACPI_TABLE_ID_DSDT:
404 acpi_gbl_DSDT = NULL; 402 acpi_gbl_DSDT = NULL;
405 break; 403 break;
406 404
407 case ACPI_TABLE_FADT: 405 case ACPI_TABLE_ID_FADT:
408 acpi_gbl_FADT = NULL; 406 acpi_gbl_FADT = NULL;
409 break; 407 break;
410 408
411 case ACPI_TABLE_FACS: 409 case ACPI_TABLE_ID_FACS:
412 acpi_gbl_FACS = NULL; 410 acpi_gbl_FACS = NULL;
413 break; 411 break;
414 412
415 case ACPI_TABLE_XSDT: 413 case ACPI_TABLE_ID_XSDT:
416 acpi_gbl_XSDT = NULL; 414 acpi_gbl_XSDT = NULL;
417 break; 415 break;
418 416
419 case ACPI_TABLE_SSDT: 417 case ACPI_TABLE_ID_SSDT:
420 case ACPI_TABLE_PSDT: 418 case ACPI_TABLE_ID_PSDT:
421 default: 419 default:
422 break; 420 break;
423 } 421 }
@@ -471,7 +469,7 @@ void acpi_tb_delete_single_table(struct acpi_table_desc *table_desc)
471 469
472 case ACPI_MEM_ALLOCATED: 470 case ACPI_MEM_ALLOCATED:
473 471
474 ACPI_MEM_FREE(table_desc->pointer); 472 ACPI_FREE(table_desc->pointer);
475 break; 473 break;
476 474
477 case ACPI_MEM_MAPPED: 475 case ACPI_MEM_MAPPED:
@@ -503,7 +501,7 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
503{ 501{
504 struct acpi_table_desc *next_desc; 502 struct acpi_table_desc *next_desc;
505 503
506 ACPI_FUNCTION_TRACE_PTR("tb_uninstall_table", table_desc); 504 ACPI_FUNCTION_TRACE_PTR(tb_uninstall_table, table_desc);
507 505
508 if (!table_desc) { 506 if (!table_desc) {
509 return_PTR(NULL); 507 return_PTR(NULL);
@@ -530,7 +528,7 @@ struct acpi_table_desc *acpi_tb_uninstall_table(struct acpi_table_desc
530 /* Free the table descriptor */ 528 /* Free the table descriptor */
531 529
532 next_desc = table_desc->next; 530 next_desc = table_desc->next;
533 ACPI_MEM_FREE(table_desc); 531 ACPI_FREE(table_desc);
534 532
535 /* Return pointer to the next descriptor */ 533 /* Return pointer to the next descriptor */
536 534
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index 4d308220225d..abcb08c2592a 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -64,7 +64,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
64 acpi_status status; 64 acpi_status status;
65 struct rsdp_descriptor *rsdp; 65 struct rsdp_descriptor *rsdp;
66 66
67 ACPI_FUNCTION_TRACE("tb_verify_rsdp"); 67 ACPI_FUNCTION_TRACE(tb_verify_rsdp);
68 68
69 switch (address->pointer_type) { 69 switch (address->pointer_type) {
70 case ACPI_LOGICAL_POINTER: 70 case ACPI_LOGICAL_POINTER:
@@ -78,7 +78,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
78 */ 78 */
79 status = acpi_os_map_memory(address->pointer.physical, 79 status = acpi_os_map_memory(address->pointer.physical,
80 sizeof(struct rsdp_descriptor), 80 sizeof(struct rsdp_descriptor),
81 (void *)&rsdp); 81 ACPI_CAST_PTR(void, &rsdp));
82 if (ACPI_FAILURE(status)) { 82 if (ACPI_FAILURE(status)) {
83 return_ACPI_STATUS(status); 83 return_ACPI_STATUS(status);
84 } 84 }
@@ -95,15 +95,20 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address)
95 goto cleanup; 95 goto cleanup;
96 } 96 }
97 97
98 /* The RSDP supplied is OK */ 98 /* RSDP is ok. Init the table info */
99 99
100 table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp); 100 table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp);
101 table_info.length = sizeof(struct rsdp_descriptor); 101 table_info.length = sizeof(struct rsdp_descriptor);
102 table_info.allocation = ACPI_MEM_MAPPED; 102
103 if (address->pointer_type == ACPI_PHYSICAL_POINTER) {
104 table_info.allocation = ACPI_MEM_MAPPED;
105 } else {
106 table_info.allocation = ACPI_MEM_NOT_ALLOCATED;
107 }
103 108
104 /* Save the table pointers and allocation info */ 109 /* Save the table pointers and allocation info */
105 110
106 status = acpi_tb_init_table_descriptor(ACPI_TABLE_RSDP, &table_info); 111 status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_RSDP, &table_info);
107 if (ACPI_FAILURE(status)) { 112 if (ACPI_FAILURE(status)) {
108 goto cleanup; 113 goto cleanup;
109 } 114 }
@@ -174,22 +179,20 @@ void acpi_tb_get_rsdt_address(struct acpi_pointer *out_address)
174 179
175acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr) 180acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
176{ 181{
177 int no_match; 182 char *signature;
178 183
179 ACPI_FUNCTION_ENTRY(); 184 ACPI_FUNCTION_ENTRY();
180 185
181 /* 186 /* Search for appropriate signature, RSDT or XSDT */
182 * Search for appropriate signature, RSDT or XSDT 187
183 */
184 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { 188 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
185 no_match = ACPI_STRNCMP((char *)table_ptr, RSDT_SIG, 189 signature = RSDT_SIG;
186 sizeof(RSDT_SIG) - 1);
187 } else { 190 } else {
188 no_match = ACPI_STRNCMP((char *)table_ptr, XSDT_SIG, 191 signature = XSDT_SIG;
189 sizeof(XSDT_SIG) - 1);
190 } 192 }
191 193
192 if (no_match) { 194 if (!ACPI_COMPARE_NAME(table_ptr->signature, signature)) {
195
193 /* Invalid RSDT or XSDT signature */ 196 /* Invalid RSDT or XSDT signature */
194 197
195 ACPI_ERROR((AE_INFO, 198 ACPI_ERROR((AE_INFO,
@@ -198,10 +201,8 @@ acpi_status acpi_tb_validate_rsdt(struct acpi_table_header *table_ptr)
198 ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20); 201 ACPI_DUMP_BUFFER(acpi_gbl_RSDP, 20);
199 202
200 ACPI_ERROR((AE_INFO, 203 ACPI_ERROR((AE_INFO,
201 "RSDT/XSDT signature at %X (%p) is invalid", 204 "RSDT/XSDT signature at %X is invalid",
202 acpi_gbl_RSDP->rsdt_physical_address, 205 acpi_gbl_RSDP->rsdt_physical_address));
203 (void *)(acpi_native_uint) acpi_gbl_RSDP->
204 rsdt_physical_address));
205 206
206 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { 207 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
207 ACPI_ERROR((AE_INFO, "Looking for RSDT")); 208 ACPI_ERROR((AE_INFO, "Looking for RSDT"));
@@ -234,13 +235,13 @@ acpi_status acpi_tb_get_table_rsdt(void)
234 acpi_status status; 235 acpi_status status;
235 struct acpi_pointer address; 236 struct acpi_pointer address;
236 237
237 ACPI_FUNCTION_TRACE("tb_get_table_rsdt"); 238 ACPI_FUNCTION_TRACE(tb_get_table_rsdt);
238 239
239 /* Get the RSDT/XSDT via the RSDP */ 240 /* Get the RSDT/XSDT via the RSDP */
240 241
241 acpi_tb_get_rsdt_address(&address); 242 acpi_tb_get_rsdt_address(&address);
242 243
243 table_info.type = ACPI_TABLE_XSDT; 244 table_info.type = ACPI_TABLE_ID_XSDT;
244 status = acpi_tb_get_table(&address, &table_info); 245 status = acpi_tb_get_table(&address, &table_info);
245 if (ACPI_FAILURE(status)) { 246 if (ACPI_FAILURE(status)) {
246 ACPI_EXCEPTION((AE_INFO, status, 247 ACPI_EXCEPTION((AE_INFO, status,
@@ -274,12 +275,13 @@ acpi_status acpi_tb_get_table_rsdt(void)
274 275
275 /* Save the table pointers and allocation info */ 276 /* Save the table pointers and allocation info */
276 277
277 status = acpi_tb_init_table_descriptor(ACPI_TABLE_XSDT, &table_info); 278 status = acpi_tb_init_table_descriptor(ACPI_TABLE_ID_XSDT, &table_info);
278 if (ACPI_FAILURE(status)) { 279 if (ACPI_FAILURE(status)) {
279 return_ACPI_STATUS(status); 280 return_ACPI_STATUS(status);
280 } 281 }
281 282
282 acpi_gbl_XSDT = ACPI_CAST_PTR(XSDT_DESCRIPTOR, table_info.pointer); 283 acpi_gbl_XSDT =
284 ACPI_CAST_PTR(struct xsdt_descriptor, table_info.pointer);
283 285
284 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT)); 286 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "XSDT located at %p\n", acpi_gbl_XSDT));
285 return_ACPI_STATUS(status); 287 return_ACPI_STATUS(status);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index bc571592f087..209a401801e3 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -71,7 +71,7 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
71{ 71{
72 struct acpi_table_desc *table_desc; 72 struct acpi_table_desc *table_desc;
73 73
74 ACPI_FUNCTION_TRACE("tb_is_table_installed"); 74 ACPI_FUNCTION_TRACE(tb_is_table_installed);
75 75
76 /* Get the list descriptor and first table descriptor */ 76 /* Get the list descriptor and first table descriptor */
77 77
@@ -96,10 +96,11 @@ acpi_status acpi_tb_is_table_installed(struct acpi_table_desc *new_table_desc)
96 (!ACPI_MEMCMP 96 (!ACPI_MEMCMP
97 (table_desc->pointer, new_table_desc->pointer, 97 (table_desc->pointer, new_table_desc->pointer,
98 new_table_desc->pointer->length))) { 98 new_table_desc->pointer->length))) {
99
99 /* Match: this table is already installed */ 100 /* Match: this table is already installed */
100 101
101 ACPI_DEBUG_PRINT((ACPI_DB_TABLES, 102 ACPI_DEBUG_PRINT((ACPI_DB_TABLES,
102 "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n", 103 "Table [%4.4s] already installed: Rev %X OemTableId [%8.8s]\n",
103 new_table_desc->pointer->signature, 104 new_table_desc->pointer->signature,
104 new_table_desc->pointer->revision, 105 new_table_desc->pointer->revision,
105 new_table_desc->pointer-> 106 new_table_desc->pointer->
@@ -159,12 +160,8 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
159 160
160 ACPI_MOVE_32_TO_32(&signature, table_header->signature); 161 ACPI_MOVE_32_TO_32(&signature, table_header->signature);
161 if (!acpi_ut_valid_acpi_name(signature)) { 162 if (!acpi_ut_valid_acpi_name(signature)) {
162 ACPI_ERROR((AE_INFO, 163 ACPI_ERROR((AE_INFO, "Invalid table signature 0x%8.8X",
163 "Table signature at %p [%p] has invalid characters", 164 signature));
164 table_header, &signature));
165
166 ACPI_WARNING((AE_INFO, "Invalid table signature found: [%4.4s]",
167 ACPI_CAST_PTR(char, &signature)));
168 165
169 ACPI_DUMP_BUFFER(table_header, 166 ACPI_DUMP_BUFFER(table_header,
170 sizeof(struct acpi_table_header)); 167 sizeof(struct acpi_table_header));
@@ -175,12 +172,9 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
175 172
176 if (table_header->length < sizeof(struct acpi_table_header)) { 173 if (table_header->length < sizeof(struct acpi_table_header)) {
177 ACPI_ERROR((AE_INFO, 174 ACPI_ERROR((AE_INFO,
178 "Invalid length in table header %p name %4.4s", 175 "Invalid length 0x%X in table with signature %4.4s",
179 table_header, (char *)&signature)); 176 (u32) table_header->length,
180 177 ACPI_CAST_PTR(char, &signature)));
181 ACPI_WARNING((AE_INFO,
182 "Invalid table header length (0x%X) found",
183 (u32) table_header->length));
184 178
185 ACPI_DUMP_BUFFER(table_header, 179 ACPI_DUMP_BUFFER(table_header,
186 sizeof(struct acpi_table_header)); 180 sizeof(struct acpi_table_header));
@@ -192,72 +186,119 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
192 186
193/******************************************************************************* 187/*******************************************************************************
194 * 188 *
195 * FUNCTION: acpi_tb_verify_table_checksum 189 * FUNCTION: acpi_tb_sum_table
196 * 190 *
197 * PARAMETERS: *table_header - ACPI table to verify 191 * PARAMETERS: Buffer - Buffer to sum
192 * Length - Size of the buffer
198 * 193 *
199 * RETURN: 8 bit checksum of table 194 * RETURN: 8 bit sum of buffer
200 * 195 *
201 * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct 196 * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it.
202 * table should have a checksum of 0.
203 * 197 *
204 ******************************************************************************/ 198 ******************************************************************************/
205 199
206acpi_status 200u8 acpi_tb_sum_table(void *buffer, u32 length)
207acpi_tb_verify_table_checksum(struct acpi_table_header * table_header) 201{
202 acpi_native_uint i;
203 u8 sum = 0;
204
205 if (!buffer || !length) {
206 return (0);
207 }
208
209 for (i = 0; i < length; i++) {
210 sum = (u8) (sum + ((u8 *) buffer)[i]);
211 }
212 return (sum);
213}
214
215/*******************************************************************************
216 *
217 * FUNCTION: acpi_tb_generate_checksum
218 *
219 * PARAMETERS: Table - Pointer to a valid ACPI table (with a
220 * standard ACPI header)
221 *
222 * RETURN: 8 bit checksum of buffer
223 *
224 * DESCRIPTION: Computes an 8 bit checksum of the table.
225 *
226 ******************************************************************************/
227
228u8 acpi_tb_generate_checksum(struct acpi_table_header * table)
208{ 229{
209 u8 checksum; 230 u8 checksum;
210 acpi_status status = AE_OK;
211 231
212 ACPI_FUNCTION_TRACE("tb_verify_table_checksum"); 232 /* Sum the entire table as-is */
213 233
214 /* Compute the checksum on the table */ 234 checksum = acpi_tb_sum_table(table, table->length);
215 235
216 checksum = 236 /* Subtract off the existing checksum value in the table */
217 acpi_tb_generate_checksum(table_header, table_header->length);
218 237
219 /* Return the appropriate exception */ 238 checksum = (u8) (checksum - table->checksum);
220 239
221 if (checksum) { 240 /* Compute the final checksum */
222 ACPI_WARNING((AE_INFO,
223 "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)",
224 table_header->signature,
225 (u32) table_header->checksum, (u32) checksum));
226 241
227 status = AE_BAD_CHECKSUM; 242 checksum = (u8) (0 - checksum);
228 } 243 return (checksum);
229 return_ACPI_STATUS(status);
230} 244}
231 245
232/******************************************************************************* 246/*******************************************************************************
233 * 247 *
234 * FUNCTION: acpi_tb_generate_checksum 248 * FUNCTION: acpi_tb_set_checksum
235 * 249 *
236 * PARAMETERS: Buffer - Buffer to checksum 250 * PARAMETERS: Table - Pointer to a valid ACPI table (with a
237 * Length - Size of the buffer 251 * standard ACPI header)
238 * 252 *
239 * RETURN: 8 bit checksum of buffer 253 * RETURN: None. Sets the table checksum field
240 * 254 *
241 * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it. 255 * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the
256 * checksum into the table header.
242 * 257 *
243 ******************************************************************************/ 258 ******************************************************************************/
244 259
245u8 acpi_tb_generate_checksum(void *buffer, u32 length) 260void acpi_tb_set_checksum(struct acpi_table_header *table)
246{ 261{
247 u8 *end_buffer;
248 u8 *rover;
249 u8 sum = 0;
250 262
251 if (buffer && length) { 263 table->checksum = acpi_tb_generate_checksum(table);
252 /* Buffer and Length are valid */ 264}
253 265
254 end_buffer = ACPI_ADD_PTR(u8, buffer, length); 266/*******************************************************************************
267 *
268 * FUNCTION: acpi_tb_verify_table_checksum
269 *
270 * PARAMETERS: *table_header - ACPI table to verify
271 *
272 * RETURN: 8 bit checksum of table
273 *
274 * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares
275 * it to the existing checksum value.
276 *
277 ******************************************************************************/
255 278
256 for (rover = buffer; rover < end_buffer; rover++) { 279acpi_status
257 sum = (u8) (sum + *rover); 280acpi_tb_verify_table_checksum(struct acpi_table_header *table_header)
258 } 281{
282 u8 checksum;
283
284 ACPI_FUNCTION_TRACE(tb_verify_table_checksum);
285
286 /* Compute the checksum on the table */
287
288 checksum = acpi_tb_generate_checksum(table_header);
289
290 /* Checksum ok? */
291
292 if (checksum == table_header->checksum) {
293 return_ACPI_STATUS(AE_OK);
259 } 294 }
260 return (sum); 295
296 ACPI_WARNING((AE_INFO,
297 "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X",
298 table_header->signature, table_header->checksum,
299 checksum));
300
301 return_ACPI_STATUS(AE_BAD_CHECKSUM);
261} 302}
262 303
263#ifdef ACPI_OBSOLETE_FUNCTIONS 304#ifdef ACPI_OBSOLETE_FUNCTIONS
@@ -276,12 +317,12 @@ u8 acpi_tb_generate_checksum(void *buffer, u32 length)
276 317
277acpi_status 318acpi_status
278acpi_tb_handle_to_object(u16 table_id, 319acpi_tb_handle_to_object(u16 table_id,
279 struct acpi_table_desc ** return_table_desc) 320 struct acpi_table_desc **return_table_desc)
280{ 321{
281 u32 i; 322 u32 i;
282 struct acpi_table_desc *table_desc; 323 struct acpi_table_desc *table_desc;
283 324
284 ACPI_FUNCTION_NAME("tb_handle_to_object"); 325 ACPI_FUNCTION_NAME(tb_handle_to_object);
285 326
286 for (i = 0; i < ACPI_TABLE_MAX; i++) { 327 for (i = 0; i < ACPI_TABLE_MAX; i++) {
287 table_desc = acpi_gbl_table_lists[i].next; 328 table_desc = acpi_gbl_table_lists[i].next;
@@ -295,7 +336,7 @@ acpi_tb_handle_to_object(u16 table_id,
295 } 336 }
296 } 337 }
297 338
298 ACPI_ERROR((AE_INFO, "table_id=%X does not exist", table_id)); 339 ACPI_ERROR((AE_INFO, "TableId=%X does not exist", table_id));
299 return (AE_BAD_PARAMETER); 340 return (AE_BAD_PARAMETER);
300} 341}
301#endif 342#endif
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 9fe53c9d5b9a..4e91f2984815 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -42,8 +42,6 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45#include <linux/module.h>
46
47#include <acpi/acpi.h> 45#include <acpi/acpi.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
49#include <acpi/actables.h> 47#include <acpi/actables.h>
@@ -68,7 +66,7 @@ acpi_status acpi_load_tables(void)
68 struct acpi_pointer rsdp_address; 66 struct acpi_pointer rsdp_address;
69 acpi_status status; 67 acpi_status status;
70 68
71 ACPI_FUNCTION_TRACE("acpi_load_tables"); 69 ACPI_FUNCTION_TRACE(acpi_load_tables);
72 70
73 /* Get the RSDP */ 71 /* Get the RSDP */
74 72
@@ -123,6 +121,8 @@ acpi_status acpi_load_tables(void)
123 return_ACPI_STATUS(status); 121 return_ACPI_STATUS(status);
124} 122}
125 123
124ACPI_EXPORT_SYMBOL(acpi_load_tables)
125
126#ifdef ACPI_FUTURE_USAGE 126#ifdef ACPI_FUTURE_USAGE
127/******************************************************************************* 127/*******************************************************************************
128 * 128 *
@@ -139,14 +139,13 @@ acpi_status acpi_load_tables(void)
139 * is determined that the table is invalid, the call will fail. 139 * is determined that the table is invalid, the call will fail.
140 * 140 *
141 ******************************************************************************/ 141 ******************************************************************************/
142
143acpi_status acpi_load_table(struct acpi_table_header *table_ptr) 142acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
144{ 143{
145 acpi_status status; 144 acpi_status status;
146 struct acpi_table_desc table_info; 145 struct acpi_table_desc table_info;
147 struct acpi_pointer address; 146 struct acpi_pointer address;
148 147
149 ACPI_FUNCTION_TRACE("acpi_load_table"); 148 ACPI_FUNCTION_TRACE(acpi_load_table);
150 149
151 if (!table_ptr) { 150 if (!table_ptr) {
152 return_ACPI_STATUS(AE_BAD_PARAMETER); 151 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -174,6 +173,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
174 status = acpi_tb_install_table(&table_info); 173 status = acpi_tb_install_table(&table_info);
175 if (ACPI_FAILURE(status)) { 174 if (ACPI_FAILURE(status)) {
176 if (status == AE_ALREADY_EXISTS) { 175 if (status == AE_ALREADY_EXISTS) {
176
177 /* Table already exists, no error */ 177 /* Table already exists, no error */
178 178
179 status = AE_OK; 179 status = AE_OK;
@@ -188,12 +188,12 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
188 /* Convert the table to common format if necessary */ 188 /* Convert the table to common format if necessary */
189 189
190 switch (table_info.type) { 190 switch (table_info.type) {
191 case ACPI_TABLE_FADT: 191 case ACPI_TABLE_ID_FADT:
192 192
193 status = acpi_tb_convert_table_fadt(); 193 status = acpi_tb_convert_table_fadt();
194 break; 194 break;
195 195
196 case ACPI_TABLE_FACS: 196 case ACPI_TABLE_ID_FACS:
197 197
198 status = acpi_tb_build_common_facs(&table_info); 198 status = acpi_tb_build_common_facs(&table_info);
199 break; 199 break;
@@ -208,6 +208,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
208 } 208 }
209 209
210 if (ACPI_FAILURE(status)) { 210 if (ACPI_FAILURE(status)) {
211
211 /* Uninstall table and free the buffer */ 212 /* Uninstall table and free the buffer */
212 213
213 (void)acpi_tb_uninstall_table(table_info.installed_desc); 214 (void)acpi_tb_uninstall_table(table_info.installed_desc);
@@ -216,6 +217,8 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
216 return_ACPI_STATUS(status); 217 return_ACPI_STATUS(status);
217} 218}
218 219
220ACPI_EXPORT_SYMBOL(acpi_load_table)
221
219/******************************************************************************* 222/*******************************************************************************
220 * 223 *
221 * FUNCTION: acpi_unload_table 224 * FUNCTION: acpi_unload_table
@@ -227,16 +230,15 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
227 * DESCRIPTION: This routine is used to force the unload of a table 230 * DESCRIPTION: This routine is used to force the unload of a table
228 * 231 *
229 ******************************************************************************/ 232 ******************************************************************************/
230
231acpi_status acpi_unload_table(acpi_table_type table_type) 233acpi_status acpi_unload_table(acpi_table_type table_type)
232{ 234{
233 struct acpi_table_desc *table_desc; 235 struct acpi_table_desc *table_desc;
234 236
235 ACPI_FUNCTION_TRACE("acpi_unload_table"); 237 ACPI_FUNCTION_TRACE(acpi_unload_table);
236 238
237 /* Parameter validation */ 239 /* Parameter validation */
238 240
239 if (table_type > ACPI_TABLE_MAX) { 241 if (table_type > ACPI_TABLE_ID_MAX) {
240 return_ACPI_STATUS(AE_BAD_PARAMETER); 242 return_ACPI_STATUS(AE_BAD_PARAMETER);
241 } 243 }
242 244
@@ -261,6 +263,8 @@ acpi_status acpi_unload_table(acpi_table_type table_type)
261 return_ACPI_STATUS(AE_OK); 263 return_ACPI_STATUS(AE_OK);
262} 264}
263 265
266ACPI_EXPORT_SYMBOL(acpi_unload_table)
267
264/******************************************************************************* 268/*******************************************************************************
265 * 269 *
266 * FUNCTION: acpi_get_table_header 270 * FUNCTION: acpi_get_table_header
@@ -281,7 +285,6 @@ acpi_status acpi_unload_table(acpi_table_type table_type)
281 * have a standard header and is fixed length. 285 * have a standard header and is fixed length.
282 * 286 *
283 ******************************************************************************/ 287 ******************************************************************************/
284
285acpi_status 288acpi_status
286acpi_get_table_header(acpi_table_type table_type, 289acpi_get_table_header(acpi_table_type table_type,
287 u32 instance, struct acpi_table_header *out_table_header) 290 u32 instance, struct acpi_table_header *out_table_header)
@@ -289,16 +292,16 @@ acpi_get_table_header(acpi_table_type table_type,
289 struct acpi_table_header *tbl_ptr; 292 struct acpi_table_header *tbl_ptr;
290 acpi_status status; 293 acpi_status status;
291 294
292 ACPI_FUNCTION_TRACE("acpi_get_table_header"); 295 ACPI_FUNCTION_TRACE(acpi_get_table_header);
293 296
294 if ((instance == 0) || 297 if ((instance == 0) ||
295 (table_type == ACPI_TABLE_RSDP) || (!out_table_header)) { 298 (table_type == ACPI_TABLE_ID_RSDP) || (!out_table_header)) {
296 return_ACPI_STATUS(AE_BAD_PARAMETER); 299 return_ACPI_STATUS(AE_BAD_PARAMETER);
297 } 300 }
298 301
299 /* Check the table type and instance */ 302 /* Check the table type and instance */
300 303
301 if ((table_type > ACPI_TABLE_MAX) || 304 if ((table_type > ACPI_TABLE_ID_MAX) ||
302 (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) && 305 (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
303 instance > 1)) { 306 instance > 1)) {
304 return_ACPI_STATUS(AE_BAD_PARAMETER); 307 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -325,6 +328,7 @@ acpi_get_table_header(acpi_table_type table_type,
325 return_ACPI_STATUS(status); 328 return_ACPI_STATUS(status);
326} 329}
327 330
331ACPI_EXPORT_SYMBOL(acpi_get_table_header)
328#endif /* ACPI_FUTURE_USAGE */ 332#endif /* ACPI_FUTURE_USAGE */
329 333
330/******************************************************************************* 334/*******************************************************************************
@@ -349,7 +353,6 @@ acpi_get_table_header(acpi_table_type table_type,
349 * a complete table including the header. 353 * a complete table including the header.
350 * 354 *
351 ******************************************************************************/ 355 ******************************************************************************/
352
353acpi_status 356acpi_status
354acpi_get_table(acpi_table_type table_type, 357acpi_get_table(acpi_table_type table_type,
355 u32 instance, struct acpi_buffer *ret_buffer) 358 u32 instance, struct acpi_buffer *ret_buffer)
@@ -358,7 +361,7 @@ acpi_get_table(acpi_table_type table_type,
358 acpi_status status; 361 acpi_status status;
359 acpi_size table_length; 362 acpi_size table_length;
360 363
361 ACPI_FUNCTION_TRACE("acpi_get_table"); 364 ACPI_FUNCTION_TRACE(acpi_get_table);
362 365
363 /* Parameter validation */ 366 /* Parameter validation */
364 367
@@ -373,7 +376,7 @@ acpi_get_table(acpi_table_type table_type,
373 376
374 /* Check the table type and instance */ 377 /* Check the table type and instance */
375 378
376 if ((table_type > ACPI_TABLE_MAX) || 379 if ((table_type > ACPI_TABLE_ID_MAX) ||
377 (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) && 380 (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
378 instance > 1)) { 381 instance > 1)) {
379 return_ACPI_STATUS(AE_BAD_PARAMETER); 382 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -396,7 +399,8 @@ acpi_get_table(acpi_table_type table_type,
396 399
397 /* Get the table length */ 400 /* Get the table length */
398 401
399 if (table_type == ACPI_TABLE_RSDP) { 402 if (table_type == ACPI_TABLE_ID_RSDP) {
403
400 /* RSD PTR is the only "table" without a header */ 404 /* RSD PTR is the only "table" without a header */
401 405
402 table_length = sizeof(struct rsdp_descriptor); 406 table_length = sizeof(struct rsdp_descriptor);
@@ -417,4 +421,4 @@ acpi_get_table(acpi_table_type table_type,
417 return_ACPI_STATUS(AE_OK); 421 return_ACPI_STATUS(AE_OK);
418} 422}
419 423
420EXPORT_SYMBOL(acpi_get_table); 424ACPI_EXPORT_SYMBOL(acpi_get_table)
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index a62db6af83c9..da2648bbdbc0 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -41,8 +41,6 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/actables.h> 45#include <acpi/actables.h>
48 46
@@ -75,6 +73,7 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
75 * The signature and checksum must both be correct 73 * The signature and checksum must both be correct
76 */ 74 */
77 if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) { 75 if (ACPI_STRNCMP((char *)rsdp, RSDP_SIG, sizeof(RSDP_SIG) - 1) != 0) {
76
78 /* Nope, BAD Signature */ 77 /* Nope, BAD Signature */
79 78
80 return (AE_BAD_SIGNATURE); 79 return (AE_BAD_SIGNATURE);
@@ -82,15 +81,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
82 81
83 /* Check the standard checksum */ 82 /* Check the standard checksum */
84 83
85 if (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { 84 if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
86 return (AE_BAD_CHECKSUM); 85 return (AE_BAD_CHECKSUM);
87 } 86 }
88 87
89 /* Check extended checksum if table version >= 2 */ 88 /* Check extended checksum if table version >= 2 */
90 89
91 if ((rsdp->revision >= 2) && 90 if ((rsdp->revision >= 2) &&
92 (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 91 (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
93 0)) {
94 return (AE_BAD_CHECKSUM); 92 return (AE_BAD_CHECKSUM);
95 } 93 }
96 94
@@ -121,7 +119,7 @@ acpi_tb_find_table(char *signature,
121 acpi_status status; 119 acpi_status status;
122 struct acpi_table_header *table; 120 struct acpi_table_header *table;
123 121
124 ACPI_FUNCTION_TRACE("tb_find_table"); 122 ACPI_FUNCTION_TRACE(tb_find_table);
125 123
126 /* Validate string lengths */ 124 /* Validate string lengths */
127 125
@@ -131,7 +129,7 @@ acpi_tb_find_table(char *signature,
131 return_ACPI_STATUS(AE_AML_STRING_LIMIT); 129 return_ACPI_STATUS(AE_AML_STRING_LIMIT);
132 } 130 }
133 131
134 if (!ACPI_STRNCMP(signature, DSDT_SIG, ACPI_NAME_SIZE)) { 132 if (ACPI_COMPARE_NAME(signature, DSDT_SIG)) {
135 /* 133 /*
136 * The DSDT pointer is contained in the FADT, not the RSDT. 134 * The DSDT pointer is contained in the FADT, not the RSDT.
137 * This code should suffice, because the only code that would perform 135 * This code should suffice, because the only code that would perform
@@ -156,10 +154,12 @@ acpi_tb_find_table(char *signature,
156 154
157 /* Check oem_id and oem_table_id */ 155 /* Check oem_id and oem_table_id */
158 156
159 if ((oem_id[0] && ACPI_STRNCMP(oem_id, table->oem_id, 157 if ((oem_id[0] &&
160 sizeof(table->oem_id))) || 158 ACPI_STRNCMP(oem_id, table->oem_id,
161 (oem_table_id[0] && ACPI_STRNCMP(oem_table_id, table->oem_table_id, 159 sizeof(table->oem_id))) ||
162 sizeof(table->oem_table_id)))) { 160 (oem_table_id[0] &&
161 ACPI_STRNCMP(oem_table_id, table->oem_table_id,
162 sizeof(table->oem_table_id)))) {
163 return_ACPI_STATUS(AE_AML_NAME_NOT_FOUND); 163 return_ACPI_STATUS(AE_AML_NAME_NOT_FOUND);
164 } 164 }
165 165
@@ -203,7 +203,7 @@ acpi_get_firmware_table(acpi_string signature,
203 u32 i; 203 u32 i;
204 u32 j; 204 u32 j;
205 205
206 ACPI_FUNCTION_TRACE("acpi_get_firmware_table"); 206 ACPI_FUNCTION_TRACE(acpi_get_firmware_table);
207 207
208 /* 208 /*
209 * Ensure that at least the table manager is initialized. We don't 209 * Ensure that at least the table manager is initialized. We don't
@@ -217,6 +217,7 @@ acpi_get_firmware_table(acpi_string signature,
217 /* Ensure that we have a RSDP */ 217 /* Ensure that we have a RSDP */
218 218
219 if (!acpi_gbl_RSDP) { 219 if (!acpi_gbl_RSDP) {
220
220 /* Get the RSDP */ 221 /* Get the RSDP */
221 222
222 status = acpi_os_get_root_pointer(flags, &address); 223 status = acpi_os_get_root_pointer(flags, &address);
@@ -261,7 +262,7 @@ acpi_get_firmware_table(acpi_string signature,
261 262
262 /* Get and validate the RSDT */ 263 /* Get and validate the RSDT */
263 264
264 rsdt_info = ACPI_MEM_CALLOCATE(sizeof(struct acpi_table_desc)); 265 rsdt_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_table_desc));
265 if (!rsdt_info) { 266 if (!rsdt_info) {
266 return_ACPI_STATUS(AE_NO_MEMORY); 267 return_ACPI_STATUS(AE_NO_MEMORY);
267 } 268 }
@@ -278,13 +279,13 @@ acpi_get_firmware_table(acpi_string signature,
278 279
279 /* Allocate a scratch table header and table descriptor */ 280 /* Allocate a scratch table header and table descriptor */
280 281
281 header = ACPI_MEM_ALLOCATE(sizeof(struct acpi_table_header)); 282 header = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
282 if (!header) { 283 if (!header) {
283 status = AE_NO_MEMORY; 284 status = AE_NO_MEMORY;
284 goto cleanup; 285 goto cleanup;
285 } 286 }
286 287
287 table_info = ACPI_MEM_ALLOCATE(sizeof(struct acpi_table_desc)); 288 table_info = ACPI_ALLOCATE(sizeof(struct acpi_table_desc));
288 if (!table_info) { 289 if (!table_info) {
289 status = AE_NO_MEMORY; 290 status = AE_NO_MEMORY;
290 goto cleanup; 291 goto cleanup;
@@ -308,12 +309,12 @@ acpi_get_firmware_table(acpi_string signature,
308 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { 309 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
309 address.pointer.value = 310 address.pointer.value =
310 (ACPI_CAST_PTR 311 (ACPI_CAST_PTR
311 (RSDT_DESCRIPTOR, 312 (struct rsdt_descriptor,
312 rsdt_info->pointer))->table_offset_entry[i]; 313 rsdt_info->pointer))->table_offset_entry[i];
313 } else { 314 } else {
314 address.pointer.value = 315 address.pointer.value =
315 (ACPI_CAST_PTR 316 (ACPI_CAST_PTR
316 (XSDT_DESCRIPTOR, 317 (struct xsdt_descriptor,
317 rsdt_info->pointer))->table_offset_entry[i]; 318 rsdt_info->pointer))->table_offset_entry[i];
318 } 319 }
319 320
@@ -326,11 +327,13 @@ acpi_get_firmware_table(acpi_string signature,
326 327
327 /* Compare table signatures and table instance */ 328 /* Compare table signatures and table instance */
328 329
329 if (!ACPI_STRNCMP(header->signature, signature, ACPI_NAME_SIZE)) { 330 if (ACPI_COMPARE_NAME(header->signature, signature)) {
331
330 /* An instance of the table was found */ 332 /* An instance of the table was found */
331 333
332 j++; 334 j++;
333 if (j >= instance) { 335 if (j >= instance) {
336
334 /* Found the correct instance, get the entire table */ 337 /* Found the correct instance, get the entire table */
335 338
336 status = 339 status =
@@ -355,23 +358,21 @@ acpi_get_firmware_table(acpi_string signature,
355 acpi_os_unmap_memory(rsdt_info->pointer, 358 acpi_os_unmap_memory(rsdt_info->pointer,
356 (acpi_size) rsdt_info->pointer->length); 359 (acpi_size) rsdt_info->pointer->length);
357 } 360 }
358 ACPI_MEM_FREE(rsdt_info); 361 ACPI_FREE(rsdt_info);
359 362
360 if (header) { 363 if (header) {
361 ACPI_MEM_FREE(header); 364 ACPI_FREE(header);
362 } 365 }
363 if (table_info) { 366 if (table_info) {
364 ACPI_MEM_FREE(table_info); 367 ACPI_FREE(table_info);
365 } 368 }
366 return_ACPI_STATUS(status); 369 return_ACPI_STATUS(status);
367} 370}
368 371
369EXPORT_SYMBOL(acpi_get_firmware_table); 372ACPI_EXPORT_SYMBOL(acpi_get_firmware_table)
370 373
371/* TBD: Move to a new file */ 374/* TBD: Move to a new file */
372
373#if ACPI_MACHINE_WIDTH != 16 375#if ACPI_MACHINE_WIDTH != 16
374
375/******************************************************************************* 376/*******************************************************************************
376 * 377 *
377 * FUNCTION: acpi_find_root_pointer 378 * FUNCTION: acpi_find_root_pointer
@@ -384,13 +385,12 @@ EXPORT_SYMBOL(acpi_get_firmware_table);
384 * DESCRIPTION: Find the RSDP 385 * DESCRIPTION: Find the RSDP
385 * 386 *
386 ******************************************************************************/ 387 ******************************************************************************/
387
388acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address) 388acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
389{ 389{
390 struct acpi_table_desc table_info; 390 struct acpi_table_desc table_info;
391 acpi_status status; 391 acpi_status status;
392 392
393 ACPI_FUNCTION_TRACE("acpi_find_root_pointer"); 393 ACPI_FUNCTION_TRACE(acpi_find_root_pointer);
394 394
395 /* Get the RSDP */ 395 /* Get the RSDP */
396 396
@@ -407,6 +407,8 @@ acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
407 return_ACPI_STATUS(AE_OK); 407 return_ACPI_STATUS(AE_OK);
408} 408}
409 409
410ACPI_EXPORT_SYMBOL(acpi_find_root_pointer)
411
410/******************************************************************************* 412/*******************************************************************************
411 * 413 *
412 * FUNCTION: acpi_tb_scan_memory_for_rsdp 414 * FUNCTION: acpi_tb_scan_memory_for_rsdp
@@ -419,14 +421,13 @@ acpi_status acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address)
419 * DESCRIPTION: Search a block of memory for the RSDP signature 421 * DESCRIPTION: Search a block of memory for the RSDP signature
420 * 422 *
421 ******************************************************************************/ 423 ******************************************************************************/
422
423static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length) 424static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
424{ 425{
425 acpi_status status; 426 acpi_status status;
426 u8 *mem_rover; 427 u8 *mem_rover;
427 u8 *end_address; 428 u8 *end_address;
428 429
429 ACPI_FUNCTION_TRACE("tb_scan_memory_for_rsdp"); 430 ACPI_FUNCTION_TRACE(tb_scan_memory_for_rsdp);
430 431
431 end_address = start_address + length; 432 end_address = start_address + length;
432 433
@@ -434,12 +435,14 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
434 435
435 for (mem_rover = start_address; mem_rover < end_address; 436 for (mem_rover = start_address; mem_rover < end_address;
436 mem_rover += ACPI_RSDP_SCAN_STEP) { 437 mem_rover += ACPI_RSDP_SCAN_STEP) {
438
437 /* The RSDP signature and checksum must both be correct */ 439 /* The RSDP signature and checksum must both be correct */
438 440
439 status = 441 status =
440 acpi_tb_validate_rsdp(ACPI_CAST_PTR 442 acpi_tb_validate_rsdp(ACPI_CAST_PTR
441 (struct rsdp_descriptor, mem_rover)); 443 (struct rsdp_descriptor, mem_rover));
442 if (ACPI_SUCCESS(status)) { 444 if (ACPI_SUCCESS(status)) {
445
443 /* Sig and checksum valid, we have found a real RSDP */ 446 /* Sig and checksum valid, we have found a real RSDP */
444 447
445 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 448 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
@@ -469,10 +472,10 @@ static u8 *acpi_tb_scan_memory_for_rsdp(u8 * start_address, u32 length)
469 * 472 *
470 * RETURN: Status, RSDP physical address 473 * RETURN: Status, RSDP physical address
471 * 474 *
472 * DESCRIPTION: search lower 1_mbyte of memory for the root system descriptor 475 * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor
473 * pointer structure. If it is found, set *RSDP to point to it. 476 * pointer structure. If it is found, set *RSDP to point to it.
474 * 477 *
475 * NOTE1: The RSDp must be either in the first 1_k of the Extended 478 * NOTE1: The RSDP must be either in the first 1_k of the Extended
476 * BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.) 479 * BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.)
477 * Only a 32-bit physical address is necessary. 480 * Only a 32-bit physical address is necessary.
478 * 481 *
@@ -489,12 +492,13 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
489 u32 physical_address; 492 u32 physical_address;
490 acpi_status status; 493 acpi_status status;
491 494
492 ACPI_FUNCTION_TRACE("tb_find_rsdp"); 495 ACPI_FUNCTION_TRACE(tb_find_rsdp);
493 496
494 /* 497 /*
495 * Scan supports either logical addressing or physical addressing 498 * Scan supports either logical addressing or physical addressing
496 */ 499 */
497 if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { 500 if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
501
498 /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */ 502 /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
499 503
500 status = acpi_os_map_memory((acpi_physical_address) 504 status = acpi_os_map_memory((acpi_physical_address)
@@ -521,7 +525,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
521 525
522 if (physical_address > 0x400) { 526 if (physical_address > 0x400) {
523 /* 527 /*
524 * 1b) Search EBDA paragraphs (EBDa is required to be a 528 * 1b) Search EBDA paragraphs (EBDA is required to be a
525 * minimum of 1_k length) 529 * minimum of 1_k length)
526 */ 530 */
527 status = acpi_os_map_memory((acpi_physical_address) 531 status = acpi_os_map_memory((acpi_physical_address)
@@ -542,10 +546,11 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
542 acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE); 546 acpi_os_unmap_memory(table_ptr, ACPI_EBDA_WINDOW_SIZE);
543 547
544 if (mem_rover) { 548 if (mem_rover) {
549
545 /* Return the physical address */ 550 /* Return the physical address */
546 551
547 physical_address += 552 physical_address +=
548 ACPI_PTR_DIFF(mem_rover, table_ptr); 553 (u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
549 554
550 table_info->physical_address = 555 table_info->physical_address =
551 (acpi_physical_address) physical_address; 556 (acpi_physical_address) physical_address;
@@ -576,11 +581,12 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
576 acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE); 581 acpi_os_unmap_memory(table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
577 582
578 if (mem_rover) { 583 if (mem_rover) {
584
579 /* Return the physical address */ 585 /* Return the physical address */
580 586
581 physical_address = 587 physical_address = (u32)
582 ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF(mem_rover, 588 (ACPI_HI_RSDP_WINDOW_BASE +
583 table_ptr); 589 ACPI_PTR_DIFF(mem_rover, table_ptr));
584 590
585 table_info->physical_address = 591 table_info->physical_address =
586 (acpi_physical_address) physical_address; 592 (acpi_physical_address) physical_address;
@@ -601,7 +607,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
601 607
602 if (physical_address > 0x400) { 608 if (physical_address > 0x400) {
603 /* 609 /*
604 * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of 610 * 1b) Search EBDA paragraphs (EBDA is required to be a minimum of
605 * 1_k length) 611 * 1_k length)
606 */ 612 */
607 mem_rover = 613 mem_rover =
@@ -609,6 +615,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
609 (physical_address), 615 (physical_address),
610 ACPI_EBDA_WINDOW_SIZE); 616 ACPI_EBDA_WINDOW_SIZE);
611 if (mem_rover) { 617 if (mem_rover) {
618
612 /* Return the physical address */ 619 /* Return the physical address */
613 620
614 table_info->physical_address = 621 table_info->physical_address =
@@ -624,6 +631,7 @@ acpi_tb_find_rsdp(struct acpi_table_desc *table_info, u32 flags)
624 (ACPI_HI_RSDP_WINDOW_BASE), 631 (ACPI_HI_RSDP_WINDOW_BASE),
625 ACPI_HI_RSDP_WINDOW_SIZE); 632 ACPI_HI_RSDP_WINDOW_SIZE);
626 if (mem_rover) { 633 if (mem_rover) {
634
627 /* Found it, return the physical address */ 635 /* Found it, return the physical address */
628 636
629 table_info->physical_address = 637 table_info->physical_address =
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 19f3ea48475e..fba9c230a84d 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -684,8 +684,7 @@ static void acpi_thermal_run(unsigned long data)
684{ 684{
685 struct acpi_thermal *tz = (struct acpi_thermal *)data; 685 struct acpi_thermal *tz = (struct acpi_thermal *)data;
686 if (!tz->zombie) 686 if (!tz->zombie)
687 acpi_os_queue_for_execution(OSD_PRIORITY_GPE, 687 acpi_os_execute(OSL_GPE_HANDLER, acpi_thermal_check, (void *)data);
688 acpi_thermal_check, (void *)data);
689} 688}
690 689
691static void acpi_thermal_check(void *data) 690static void acpi_thermal_check(void *data)
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 03b0044974c2..7940fc1bd69e 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -46,24 +46,6 @@
46#define _COMPONENT ACPI_UTILITIES 46#define _COMPONENT ACPI_UTILITIES
47ACPI_MODULE_NAME("utalloc") 47ACPI_MODULE_NAME("utalloc")
48 48
49/* Local prototypes */
50#ifdef ACPI_DBG_TRACK_ALLOCATIONS
51static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation);
52
53static acpi_status
54acpi_ut_track_allocation(struct acpi_debug_mem_block *address,
55 acpi_size size,
56 u8 alloc_type, u32 component, char *module, u32 line);
57
58static acpi_status
59acpi_ut_remove_allocation(struct acpi_debug_mem_block *address,
60 u32 component, char *module, u32 line);
61
62static acpi_status
63acpi_ut_create_list(char *list_name,
64 u16 object_size, struct acpi_memory_list **return_cache);
65#endif
66
67/******************************************************************************* 49/*******************************************************************************
68 * 50 *
69 * FUNCTION: acpi_ut_create_caches 51 * FUNCTION: acpi_ut_create_caches
@@ -75,33 +57,23 @@ acpi_ut_create_list(char *list_name,
75 * DESCRIPTION: Create all local caches 57 * DESCRIPTION: Create all local caches
76 * 58 *
77 ******************************************************************************/ 59 ******************************************************************************/
78
79acpi_status acpi_ut_create_caches(void) 60acpi_status acpi_ut_create_caches(void)
80{ 61{
81 acpi_status status; 62 acpi_status status;
82 63
83#ifdef ACPI_DBG_TRACK_ALLOCATIONS 64 /* Object Caches, for frequently used objects */
84
85 /* Memory allocation lists */
86
87 status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
88 if (ACPI_FAILURE(status)) {
89 return (status);
90 }
91 65
92 status = 66 status =
93 acpi_ut_create_list("Acpi-Namespace", 67 acpi_os_create_cache("Acpi-Namespace",
94 sizeof(struct acpi_namespace_node), 68 sizeof(struct acpi_namespace_node),
95 &acpi_gbl_ns_node_list); 69 ACPI_MAX_NAMESPACE_CACHE_DEPTH,
70 &acpi_gbl_namespace_cache);
96 if (ACPI_FAILURE(status)) { 71 if (ACPI_FAILURE(status)) {
97 return (status); 72 return (status);
98 } 73 }
99#endif
100
101 /* Object Caches, for frequently used objects */
102 74
103 status = 75 status =
104 acpi_os_create_cache("acpi_state", sizeof(union acpi_generic_state), 76 acpi_os_create_cache("Acpi-State", sizeof(union acpi_generic_state),
105 ACPI_MAX_STATE_CACHE_DEPTH, 77 ACPI_MAX_STATE_CACHE_DEPTH,
106 &acpi_gbl_state_cache); 78 &acpi_gbl_state_cache);
107 if (ACPI_FAILURE(status)) { 79 if (ACPI_FAILURE(status)) {
@@ -109,7 +81,7 @@ acpi_status acpi_ut_create_caches(void)
109 } 81 }
110 82
111 status = 83 status =
112 acpi_os_create_cache("acpi_parse", 84 acpi_os_create_cache("Acpi-Parse",
113 sizeof(struct acpi_parse_obj_common), 85 sizeof(struct acpi_parse_obj_common),
114 ACPI_MAX_PARSE_CACHE_DEPTH, 86 ACPI_MAX_PARSE_CACHE_DEPTH,
115 &acpi_gbl_ps_node_cache); 87 &acpi_gbl_ps_node_cache);
@@ -118,7 +90,7 @@ acpi_status acpi_ut_create_caches(void)
118 } 90 }
119 91
120 status = 92 status =
121 acpi_os_create_cache("acpi_parse_ext", 93 acpi_os_create_cache("Acpi-ParseExt",
122 sizeof(struct acpi_parse_obj_named), 94 sizeof(struct acpi_parse_obj_named),
123 ACPI_MAX_EXTPARSE_CACHE_DEPTH, 95 ACPI_MAX_EXTPARSE_CACHE_DEPTH,
124 &acpi_gbl_ps_node_ext_cache); 96 &acpi_gbl_ps_node_ext_cache);
@@ -127,7 +99,7 @@ acpi_status acpi_ut_create_caches(void)
127 } 99 }
128 100
129 status = 101 status =
130 acpi_os_create_cache("acpi_operand", 102 acpi_os_create_cache("Acpi-Operand",
131 sizeof(union acpi_operand_object), 103 sizeof(union acpi_operand_object),
132 ACPI_MAX_OBJECT_CACHE_DEPTH, 104 ACPI_MAX_OBJECT_CACHE_DEPTH,
133 &acpi_gbl_operand_cache); 105 &acpi_gbl_operand_cache);
@@ -135,6 +107,24 @@ acpi_status acpi_ut_create_caches(void)
135 return (status); 107 return (status);
136 } 108 }
137 109
110#ifdef ACPI_DBG_TRACK_ALLOCATIONS
111
112 /* Memory allocation lists */
113
114 status = acpi_ut_create_list("Acpi-Global", 0, &acpi_gbl_global_list);
115 if (ACPI_FAILURE(status)) {
116 return (status);
117 }
118
119 status =
120 acpi_ut_create_list("Acpi-Namespace",
121 sizeof(struct acpi_namespace_node),
122 &acpi_gbl_ns_node_list);
123 if (ACPI_FAILURE(status)) {
124 return (status);
125 }
126#endif
127
138 return (AE_OK); 128 return (AE_OK);
139} 129}
140 130
@@ -153,6 +143,9 @@ acpi_status acpi_ut_create_caches(void)
153acpi_status acpi_ut_delete_caches(void) 143acpi_status acpi_ut_delete_caches(void)
154{ 144{
155 145
146 (void)acpi_os_delete_cache(acpi_gbl_namespace_cache);
147 acpi_gbl_namespace_cache = NULL;
148
156 (void)acpi_os_delete_cache(acpi_gbl_state_cache); 149 (void)acpi_os_delete_cache(acpi_gbl_state_cache);
157 acpi_gbl_state_cache = NULL; 150 acpi_gbl_state_cache = NULL;
158 151
@@ -165,6 +158,21 @@ acpi_status acpi_ut_delete_caches(void)
165 (void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache); 158 (void)acpi_os_delete_cache(acpi_gbl_ps_node_ext_cache);
166 acpi_gbl_ps_node_ext_cache = NULL; 159 acpi_gbl_ps_node_ext_cache = NULL;
167 160
161#ifdef ACPI_DBG_TRACK_ALLOCATIONS
162
163 /* Debug only - display leftover memory allocation, if any */
164
165 acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
166
167 /* Free memory lists */
168
169 acpi_os_free(acpi_gbl_global_list);
170 acpi_gbl_global_list = NULL;
171
172 acpi_os_free(acpi_gbl_ns_node_list);
173 acpi_gbl_ns_node_list = NULL;
174#endif
175
168 return (AE_OK); 176 return (AE_OK);
169} 177}
170 178
@@ -252,7 +260,7 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
252 260
253 /* Allocate a new buffer with local interface to allow tracking */ 261 /* Allocate a new buffer with local interface to allow tracking */
254 262
255 buffer->pointer = ACPI_MEM_CALLOCATE(required_length); 263 buffer->pointer = ACPI_ALLOCATE_ZEROED(required_length);
256 if (!buffer->pointer) { 264 if (!buffer->pointer) {
257 return (AE_NO_MEMORY); 265 return (AE_NO_MEMORY);
258 } 266 }
@@ -288,7 +296,7 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
288 * 296 *
289 * RETURN: Address of the allocated memory on success, NULL on failure. 297 * RETURN: Address of the allocated memory on success, NULL on failure.
290 * 298 *
291 * DESCRIPTION: The subsystem's equivalent of malloc. 299 * DESCRIPTION: Subsystem equivalent of malloc.
292 * 300 *
293 ******************************************************************************/ 301 ******************************************************************************/
294 302
@@ -296,23 +304,23 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
296{ 304{
297 void *allocation; 305 void *allocation;
298 306
299 ACPI_FUNCTION_TRACE_U32("ut_allocate", size); 307 ACPI_FUNCTION_TRACE_U32(ut_allocate, size);
300 308
301 /* Check for an inadvertent size of zero bytes */ 309 /* Check for an inadvertent size of zero bytes */
302 310
303 if (!size) { 311 if (!size) {
304 ACPI_ERROR((module, line, 312 ACPI_WARNING((module, line,
305 "ut_allocate: Attempt to allocate zero bytes, allocating 1 byte")); 313 "Attempt to allocate zero bytes, allocating 1 byte"));
306 size = 1; 314 size = 1;
307 } 315 }
308 316
309 allocation = acpi_os_allocate(size); 317 allocation = acpi_os_allocate(size);
310 if (!allocation) { 318 if (!allocation) {
319
311 /* Report allocation error */ 320 /* Report allocation error */
312 321
313 ACPI_ERROR((module, line, 322 ACPI_WARNING((module, line,
314 "ut_allocate: Could not allocate size %X", 323 "Could not allocate size %X", (u32) size));
315 (u32) size));
316 324
317 return_PTR(NULL); 325 return_PTR(NULL);
318 } 326 }
@@ -322,7 +330,7 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
322 330
323/******************************************************************************* 331/*******************************************************************************
324 * 332 *
325 * FUNCTION: acpi_ut_callocate 333 * FUNCTION: acpi_ut_allocate_zeroed
326 * 334 *
327 * PARAMETERS: Size - Size of the allocation 335 * PARAMETERS: Size - Size of the allocation
328 * Component - Component type of caller 336 * Component - Component type of caller
@@ -331,542 +339,24 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
331 * 339 *
332 * RETURN: Address of the allocated memory on success, NULL on failure. 340 * RETURN: Address of the allocated memory on success, NULL on failure.
333 * 341 *
334 * DESCRIPTION: Subsystem equivalent of calloc. 342 * DESCRIPTION: Subsystem equivalent of calloc. Allocate and zero memory.
335 * 343 *
336 ******************************************************************************/ 344 ******************************************************************************/
337 345
338void *acpi_ut_callocate(acpi_size size, u32 component, char *module, u32 line) 346void *acpi_ut_allocate_zeroed(acpi_size size,
347 u32 component, char *module, u32 line)
339{ 348{
340 void *allocation; 349 void *allocation;
341 350
342 ACPI_FUNCTION_TRACE_U32("ut_callocate", size);
343
344 /* Check for an inadvertent size of zero bytes */
345
346 if (!size) {
347 ACPI_ERROR((module, line,
348 "Attempt to allocate zero bytes, allocating 1 byte"));
349 size = 1;
350 }
351
352 allocation = acpi_os_allocate(size);
353 if (!allocation) {
354 /* Report allocation error */
355
356 ACPI_ERROR((module, line,
357 "Could not allocate size %X", (u32) size));
358 return_PTR(NULL);
359 }
360
361 /* Clear the memory block */
362
363 ACPI_MEMSET(allocation, 0, size);
364 return_PTR(allocation);
365}
366
367#ifdef ACPI_DBG_TRACK_ALLOCATIONS
368/*
369 * These procedures are used for tracking memory leaks in the subsystem, and
370 * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
371 *
372 * Each memory allocation is tracked via a doubly linked list. Each
373 * element contains the caller's component, module name, function name, and
374 * line number. acpi_ut_allocate and acpi_ut_callocate call
375 * acpi_ut_track_allocation to add an element to the list; deletion
376 * occurs in the body of acpi_ut_free.
377 */
378
379/*******************************************************************************
380 *
381 * FUNCTION: acpi_ut_create_list
382 *
383 * PARAMETERS: cache_name - Ascii name for the cache
384 * object_size - Size of each cached object
385 * return_cache - Where the new cache object is returned
386 *
387 * RETURN: Status
388 *
389 * DESCRIPTION: Create a local memory list for tracking purposed
390 *
391 ******************************************************************************/
392
393static acpi_status
394acpi_ut_create_list(char *list_name,
395 u16 object_size, struct acpi_memory_list **return_cache)
396{
397 struct acpi_memory_list *cache;
398
399 cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
400 if (!cache) {
401 return (AE_NO_MEMORY);
402 }
403
404 ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list));
405
406 cache->list_name = list_name;
407 cache->object_size = object_size;
408
409 *return_cache = cache;
410 return (AE_OK);
411}
412
413/*******************************************************************************
414 *
415 * FUNCTION: acpi_ut_allocate_and_track
416 *
417 * PARAMETERS: Size - Size of the allocation
418 * Component - Component type of caller
419 * Module - Source file name of caller
420 * Line - Line number of caller
421 *
422 * RETURN: Address of the allocated memory on success, NULL on failure.
423 *
424 * DESCRIPTION: The subsystem's equivalent of malloc.
425 *
426 ******************************************************************************/
427
428void *acpi_ut_allocate_and_track(acpi_size size,
429 u32 component, char *module, u32 line)
430{
431 struct acpi_debug_mem_block *allocation;
432 acpi_status status;
433
434 allocation =
435 acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header),
436 component, module, line);
437 if (!allocation) {
438 return (NULL);
439 }
440
441 status = acpi_ut_track_allocation(allocation, size,
442 ACPI_MEM_MALLOC, component, module,
443 line);
444 if (ACPI_FAILURE(status)) {
445 acpi_os_free(allocation);
446 return (NULL);
447 }
448
449 acpi_gbl_global_list->total_allocated++;
450 acpi_gbl_global_list->current_total_size += (u32) size;
451
452 return ((void *)&allocation->user_space);
453}
454
455/*******************************************************************************
456 *
457 * FUNCTION: acpi_ut_callocate_and_track
458 *
459 * PARAMETERS: Size - Size of the allocation
460 * Component - Component type of caller
461 * Module - Source file name of caller
462 * Line - Line number of caller
463 *
464 * RETURN: Address of the allocated memory on success, NULL on failure.
465 *
466 * DESCRIPTION: Subsystem equivalent of calloc.
467 *
468 ******************************************************************************/
469
470void *acpi_ut_callocate_and_track(acpi_size size,
471 u32 component, char *module, u32 line)
472{
473 struct acpi_debug_mem_block *allocation;
474 acpi_status status;
475
476 allocation =
477 acpi_ut_callocate(size + sizeof(struct acpi_debug_mem_header),
478 component, module, line);
479 if (!allocation) {
480 /* Report allocation error */
481
482 ACPI_ERROR((module, line,
483 "Could not allocate size %X", (u32) size));
484 return (NULL);
485 }
486
487 status = acpi_ut_track_allocation(allocation, size,
488 ACPI_MEM_CALLOC, component, module,
489 line);
490 if (ACPI_FAILURE(status)) {
491 acpi_os_free(allocation);
492 return (NULL);
493 }
494
495 acpi_gbl_global_list->total_allocated++;
496 acpi_gbl_global_list->current_total_size += (u32) size;
497
498 return ((void *)&allocation->user_space);
499}
500
501/*******************************************************************************
502 *
503 * FUNCTION: acpi_ut_free_and_track
504 *
505 * PARAMETERS: Allocation - Address of the memory to deallocate
506 * Component - Component type of caller
507 * Module - Source file name of caller
508 * Line - Line number of caller
509 *
510 * RETURN: None
511 *
512 * DESCRIPTION: Frees the memory at Allocation
513 *
514 ******************************************************************************/
515
516void
517acpi_ut_free_and_track(void *allocation, u32 component, char *module, u32 line)
518{
519 struct acpi_debug_mem_block *debug_block;
520 acpi_status status;
521
522 ACPI_FUNCTION_TRACE_PTR("ut_free", allocation);
523
524 if (NULL == allocation) {
525 ACPI_ERROR((module, line, "Attempt to delete a NULL address"));
526
527 return_VOID;
528 }
529
530 debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block,
531 (((char *)allocation) -
532 sizeof(struct acpi_debug_mem_header)));
533
534 acpi_gbl_global_list->total_freed++;
535 acpi_gbl_global_list->current_total_size -= debug_block->size;
536
537 status = acpi_ut_remove_allocation(debug_block,
538 component, module, line);
539 if (ACPI_FAILURE(status)) {
540 ACPI_EXCEPTION((AE_INFO, status, "Could not free memory"));
541 }
542
543 acpi_os_free(debug_block);
544 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
545 return_VOID;
546}
547
548/*******************************************************************************
549 *
550 * FUNCTION: acpi_ut_find_allocation
551 *
552 * PARAMETERS: Allocation - Address of allocated memory
553 *
554 * RETURN: A list element if found; NULL otherwise.
555 *
556 * DESCRIPTION: Searches for an element in the global allocation tracking list.
557 *
558 ******************************************************************************/
559
560static struct acpi_debug_mem_block *acpi_ut_find_allocation(void *allocation)
561{
562 struct acpi_debug_mem_block *element;
563
564 ACPI_FUNCTION_ENTRY(); 351 ACPI_FUNCTION_ENTRY();
565 352
566 element = acpi_gbl_global_list->list_head; 353 allocation = acpi_ut_allocate(size, component, module, line);
567 354 if (allocation) {
568 /* Search for the address. */
569
570 while (element) {
571 if (element == allocation) {
572 return (element);
573 }
574
575 element = element->next;
576 }
577
578 return (NULL);
579}
580
581/*******************************************************************************
582 *
583 * FUNCTION: acpi_ut_track_allocation
584 *
585 * PARAMETERS: Allocation - Address of allocated memory
586 * Size - Size of the allocation
587 * alloc_type - MEM_MALLOC or MEM_CALLOC
588 * Component - Component type of caller
589 * Module - Source file name of caller
590 * Line - Line number of caller
591 *
592 * RETURN: None.
593 *
594 * DESCRIPTION: Inserts an element into the global allocation tracking list.
595 *
596 ******************************************************************************/
597
598static acpi_status
599acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation,
600 acpi_size size,
601 u8 alloc_type, u32 component, char *module, u32 line)
602{
603 struct acpi_memory_list *mem_list;
604 struct acpi_debug_mem_block *element;
605 acpi_status status = AE_OK;
606
607 ACPI_FUNCTION_TRACE_PTR("ut_track_allocation", allocation);
608
609 mem_list = acpi_gbl_global_list;
610 status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
611 if (ACPI_FAILURE(status)) {
612 return_ACPI_STATUS(status);
613 }
614
615 /*
616 * Search list for this address to make sure it is not already on the list.
617 * This will catch several kinds of problems.
618 */
619 element = acpi_ut_find_allocation(allocation);
620 if (element) {
621 ACPI_ERROR((AE_INFO,
622 "ut_track_allocation: Allocation already present in list! (%p)",
623 allocation));
624
625 ACPI_ERROR((AE_INFO, "Element %p Address %p",
626 element, allocation));
627
628 goto unlock_and_exit;
629 }
630
631 /* Fill in the instance data. */
632
633 allocation->size = (u32) size;
634 allocation->alloc_type = alloc_type;
635 allocation->component = component;
636 allocation->line = line;
637
638 ACPI_STRNCPY(allocation->module, module, ACPI_MAX_MODULE_NAME);
639 allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0;
640
641 /* Insert at list head */
642
643 if (mem_list->list_head) {
644 ((struct acpi_debug_mem_block *)(mem_list->list_head))->
645 previous = allocation;
646 }
647
648 allocation->next = mem_list->list_head;
649 allocation->previous = NULL;
650
651 mem_list->list_head = allocation;
652
653 unlock_and_exit:
654 status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
655 return_ACPI_STATUS(status);
656}
657
658/*******************************************************************************
659 *
660 * FUNCTION: acpi_ut_remove_allocation
661 *
662 * PARAMETERS: Allocation - Address of allocated memory
663 * Component - Component type of caller
664 * Module - Source file name of caller
665 * Line - Line number of caller
666 *
667 * RETURN:
668 *
669 * DESCRIPTION: Deletes an element from the global allocation tracking list.
670 *
671 ******************************************************************************/
672
673static acpi_status
674acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
675 u32 component, char *module, u32 line)
676{
677 struct acpi_memory_list *mem_list;
678 acpi_status status;
679
680 ACPI_FUNCTION_TRACE("ut_remove_allocation");
681
682 mem_list = acpi_gbl_global_list;
683 if (NULL == mem_list->list_head) {
684 /* No allocations! */
685
686 ACPI_ERROR((module, line,
687 "Empty allocation list, nothing to free!"));
688
689 return_ACPI_STATUS(AE_OK);
690 }
691
692 status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
693 if (ACPI_FAILURE(status)) {
694 return_ACPI_STATUS(status);
695 }
696
697 /* Unlink */
698
699 if (allocation->previous) {
700 (allocation->previous)->next = allocation->next;
701 } else {
702 mem_list->list_head = allocation->next;
703 }
704
705 if (allocation->next) {
706 (allocation->next)->previous = allocation->previous;
707 }
708
709 /* Mark the segment as deleted */
710
711 ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size);
712
713 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
714 allocation->size));
715 355
716 status = acpi_ut_release_mutex(ACPI_MTX_MEMORY); 356 /* Clear the memory block */
717 return_ACPI_STATUS(status);
718}
719
720/*******************************************************************************
721 *
722 * FUNCTION: acpi_ut_dump_allocation_info
723 *
724 * PARAMETERS:
725 *
726 * RETURN: None
727 *
728 * DESCRIPTION: Print some info about the outstanding allocations.
729 *
730 ******************************************************************************/
731 357
732#ifdef ACPI_FUTURE_USAGE 358 ACPI_MEMSET(allocation, 0, size);
733void acpi_ut_dump_allocation_info(void)
734{
735/*
736 struct acpi_memory_list *mem_list;
737*/
738
739 ACPI_FUNCTION_TRACE("ut_dump_allocation_info");
740
741/*
742 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
743 ("%30s: %4d (%3d Kb)\n", "Current allocations",
744 mem_list->current_count,
745 ROUND_UP_TO_1K (mem_list->current_size)));
746
747 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
748 ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
749 mem_list->max_concurrent_count,
750 ROUND_UP_TO_1K (mem_list->max_concurrent_size)));
751
752 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
753 ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
754 running_object_count,
755 ROUND_UP_TO_1K (running_object_size)));
756
757 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
758 ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
759 running_alloc_count,
760 ROUND_UP_TO_1K (running_alloc_size)));
761
762 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
763 ("%30s: %4d (%3d Kb)\n", "Current Nodes",
764 acpi_gbl_current_node_count,
765 ROUND_UP_TO_1K (acpi_gbl_current_node_size)));
766
767 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
768 ("%30s: %4d (%3d Kb)\n", "Max Nodes",
769 acpi_gbl_max_concurrent_node_count,
770 ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count *
771 sizeof (struct acpi_namespace_node)))));
772*/
773 return_VOID;
774}
775#endif /* ACPI_FUTURE_USAGE */
776
777/*******************************************************************************
778 *
779 * FUNCTION: acpi_ut_dump_allocations
780 *
781 * PARAMETERS: Component - Component(s) to dump info for.
782 * Module - Module to dump info for. NULL means all.
783 *
784 * RETURN: None
785 *
786 * DESCRIPTION: Print a list of all outstanding allocations.
787 *
788 ******************************************************************************/
789
790void acpi_ut_dump_allocations(u32 component, char *module)
791{
792 struct acpi_debug_mem_block *element;
793 union acpi_descriptor *descriptor;
794 u32 num_outstanding = 0;
795
796 ACPI_FUNCTION_TRACE("ut_dump_allocations");
797
798 /*
799 * Walk the allocation list.
800 */
801 if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
802 return;
803 } 359 }
804 360
805 element = acpi_gbl_global_list->list_head; 361 return (allocation);
806 while (element) {
807 if ((element->component & component) &&
808 ((module == NULL)
809 || (0 == ACPI_STRCMP(module, element->module)))) {
810 /* Ignore allocated objects that are in a cache */
811
812 descriptor =
813 ACPI_CAST_PTR(union acpi_descriptor,
814 &element->user_space);
815 if (descriptor->descriptor_id != ACPI_DESC_TYPE_CACHED) {
816 acpi_os_printf("%p Len %04X %9.9s-%d [%s] ",
817 descriptor, element->size,
818 element->module, element->line,
819 acpi_ut_get_descriptor_name
820 (descriptor));
821
822 /* Most of the elements will be Operand objects. */
823
824 switch (ACPI_GET_DESCRIPTOR_TYPE(descriptor)) {
825 case ACPI_DESC_TYPE_OPERAND:
826 acpi_os_printf("%12.12s R%hd",
827 acpi_ut_get_type_name
828 (descriptor->object.
829 common.type),
830 descriptor->object.
831 common.reference_count);
832 break;
833
834 case ACPI_DESC_TYPE_PARSER:
835 acpi_os_printf("aml_opcode %04hX",
836 descriptor->op.asl.
837 aml_opcode);
838 break;
839
840 case ACPI_DESC_TYPE_NAMED:
841 acpi_os_printf("%4.4s",
842 acpi_ut_get_node_name
843 (&descriptor->node));
844 break;
845
846 default:
847 break;
848 }
849
850 acpi_os_printf("\n");
851 num_outstanding++;
852 }
853 }
854 element = element->next;
855 }
856
857 (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
858
859 /* Print summary */
860
861 if (!num_outstanding) {
862 ACPI_INFO((AE_INFO, "No outstanding allocations"));
863 } else {
864 ACPI_ERROR((AE_INFO,
865 "%d(%X) Outstanding allocations",
866 num_outstanding, num_outstanding));
867 }
868
869 return_VOID;
870} 362}
871
872#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
index 2177cb1ef2c4..56270a30718a 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -118,13 +118,14 @@ acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache)
118 /* Walk the list of objects in this cache */ 118 /* Walk the list of objects in this cache */
119 119
120 while (cache->list_head) { 120 while (cache->list_head) {
121
121 /* Delete and unlink one cached state object */ 122 /* Delete and unlink one cached state object */
122 123
123 next = *(ACPI_CAST_INDIRECT_PTR(char, 124 next = *(ACPI_CAST_INDIRECT_PTR(char,
124 &(((char *)cache-> 125 &(((char *)cache->
125 list_head)[cache-> 126 list_head)[cache->
126 link_offset]))); 127 link_offset])));
127 ACPI_MEM_FREE(cache->list_head); 128 ACPI_FREE(cache->list_head);
128 129
129 cache->list_head = next; 130 cache->list_head = next;
130 cache->current_depth--; 131 cache->current_depth--;
@@ -193,7 +194,7 @@ acpi_os_release_object(struct acpi_memory_list * cache, void *object)
193 /* If cache is full, just free this object */ 194 /* If cache is full, just free this object */
194 195
195 if (cache->current_depth >= cache->max_depth) { 196 if (cache->current_depth >= cache->max_depth) {
196 ACPI_MEM_FREE(object); 197 ACPI_FREE(object);
197 ACPI_MEM_TRACKING(cache->total_freed++); 198 ACPI_MEM_TRACKING(cache->total_freed++);
198 } 199 }
199 200
@@ -243,7 +244,7 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
243 acpi_status status; 244 acpi_status status;
244 void *object; 245 void *object;
245 246
246 ACPI_FUNCTION_NAME("os_acquire_object"); 247 ACPI_FUNCTION_NAME(os_acquire_object);
247 248
248 if (!cache) { 249 if (!cache) {
249 return (NULL); 250 return (NULL);
@@ -259,6 +260,7 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
259 /* Check the cache first */ 260 /* Check the cache first */
260 261
261 if (cache->list_head) { 262 if (cache->list_head) {
263
262 /* There is an object available, use it */ 264 /* There is an object available, use it */
263 265
264 object = cache->list_head; 266 object = cache->list_head;
@@ -270,9 +272,9 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
270 cache->current_depth--; 272 cache->current_depth--;
271 273
272 ACPI_MEM_TRACKING(cache->hits++); 274 ACPI_MEM_TRACKING(cache->hits++);
273 ACPI_MEM_TRACKING(ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 275 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
274 "Object %p from %s cache\n", 276 "Object %p from %s cache\n", object,
275 object, cache->list_name))); 277 cache->list_name));
276 278
277 status = acpi_ut_release_mutex(ACPI_MTX_CACHES); 279 status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
278 if (ACPI_FAILURE(status)) { 280 if (ACPI_FAILURE(status)) {
@@ -287,14 +289,14 @@ void *acpi_os_acquire_object(struct acpi_memory_list *cache)
287 289
288 ACPI_MEM_TRACKING(cache->total_allocated++); 290 ACPI_MEM_TRACKING(cache->total_allocated++);
289 291
290 /* Avoid deadlock with ACPI_MEM_CALLOCATE */ 292 /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */
291 293
292 status = acpi_ut_release_mutex(ACPI_MTX_CACHES); 294 status = acpi_ut_release_mutex(ACPI_MTX_CACHES);
293 if (ACPI_FAILURE(status)) { 295 if (ACPI_FAILURE(status)) {
294 return (NULL); 296 return (NULL);
295 } 297 }
296 298
297 object = ACPI_MEM_CALLOCATE(cache->object_size); 299 object = ACPI_ALLOCATE_ZEROED(cache->object_size);
298 if (!object) { 300 if (!object) {
299 return (NULL); 301 return (NULL);
300 } 302 }
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index df2d32096b72..5e1a80d1bc36 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -109,7 +109,7 @@ acpi_ut_copy_isimple_to_esimple(union acpi_operand_object *internal_object,
109{ 109{
110 acpi_status status = AE_OK; 110 acpi_status status = AE_OK;
111 111
112 ACPI_FUNCTION_TRACE("ut_copy_isimple_to_esimple"); 112 ACPI_FUNCTION_TRACE(ut_copy_isimple_to_esimple);
113 113
114 *buffer_space_used = 0; 114 *buffer_space_used = 0;
115 115
@@ -325,7 +325,7 @@ acpi_ut_copy_ipackage_to_epackage(union acpi_operand_object *internal_object,
325 acpi_status status; 325 acpi_status status;
326 struct acpi_pkg_info info; 326 struct acpi_pkg_info info;
327 327
328 ACPI_FUNCTION_TRACE("ut_copy_ipackage_to_epackage"); 328 ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_epackage);
329 329
330 /* 330 /*
331 * First package at head of the buffer 331 * First package at head of the buffer
@@ -383,7 +383,7 @@ acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *internal_object,
383{ 383{
384 acpi_status status; 384 acpi_status status;
385 385
386 ACPI_FUNCTION_TRACE("ut_copy_iobject_to_eobject"); 386 ACPI_FUNCTION_TRACE(ut_copy_iobject_to_eobject);
387 387
388 if (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE) { 388 if (ACPI_GET_OBJECT_TYPE(internal_object) == ACPI_TYPE_PACKAGE) {
389 /* 389 /*
@@ -442,7 +442,7 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
442{ 442{
443 union acpi_operand_object *internal_object; 443 union acpi_operand_object *internal_object;
444 444
445 ACPI_FUNCTION_TRACE("ut_copy_esimple_to_isimple"); 445 ACPI_FUNCTION_TRACE(ut_copy_esimple_to_isimple);
446 446
447 /* 447 /*
448 * Simple types supported are: String, Buffer, Integer 448 * Simple types supported are: String, Buffer, Integer
@@ -472,8 +472,8 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
472 case ACPI_TYPE_STRING: 472 case ACPI_TYPE_STRING:
473 473
474 internal_object->string.pointer = 474 internal_object->string.pointer =
475 ACPI_MEM_CALLOCATE((acpi_size) external_object->string. 475 ACPI_ALLOCATE_ZEROED((acpi_size) external_object->string.
476 length + 1); 476 length + 1);
477 if (!internal_object->string.pointer) { 477 if (!internal_object->string.pointer) {
478 goto error_exit; 478 goto error_exit;
479 } 479 }
@@ -488,7 +488,7 @@ acpi_ut_copy_esimple_to_isimple(union acpi_object *external_object,
488 case ACPI_TYPE_BUFFER: 488 case ACPI_TYPE_BUFFER:
489 489
490 internal_object->buffer.pointer = 490 internal_object->buffer.pointer =
491 ACPI_MEM_CALLOCATE(external_object->buffer.length); 491 ACPI_ALLOCATE_ZEROED(external_object->buffer.length);
492 if (!internal_object->buffer.pointer) { 492 if (!internal_object->buffer.pointer) {
493 goto error_exit; 493 goto error_exit;
494 } 494 }
@@ -552,7 +552,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_operand_object *internal_object,
552 union acpi_operand_object *this_internal_obj; 552 union acpi_operand_object *this_internal_obj;
553 union acpi_object *this_external_obj; 553 union acpi_object *this_external_obj;
554 554
555 ACPI_FUNCTION_TRACE("ut_copy_epackage_to_ipackage"); 555 ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage);
556 556
557 /* 557 /*
558 * First package at head of the buffer 558 * First package at head of the buffer
@@ -600,7 +600,7 @@ acpi_ut_copy_eobject_to_iobject(union acpi_object *external_object,
600{ 600{
601 acpi_status status; 601 acpi_status status;
602 602
603 ACPI_FUNCTION_TRACE("ut_copy_eobject_to_iobject"); 603 ACPI_FUNCTION_TRACE(ut_copy_eobject_to_iobject);
604 604
605 if (external_object->type == ACPI_TYPE_PACKAGE) { 605 if (external_object->type == ACPI_TYPE_PACKAGE) {
606 /* 606 /*
@@ -676,7 +676,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
676 if ((source_desc->buffer.pointer) && 676 if ((source_desc->buffer.pointer) &&
677 (source_desc->buffer.length)) { 677 (source_desc->buffer.length)) {
678 dest_desc->buffer.pointer = 678 dest_desc->buffer.pointer =
679 ACPI_MEM_ALLOCATE(source_desc->buffer.length); 679 ACPI_ALLOCATE(source_desc->buffer.length);
680 if (!dest_desc->buffer.pointer) { 680 if (!dest_desc->buffer.pointer) {
681 return (AE_NO_MEMORY); 681 return (AE_NO_MEMORY);
682 } 682 }
@@ -697,8 +697,8 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
697 */ 697 */
698 if (source_desc->string.pointer) { 698 if (source_desc->string.pointer) {
699 dest_desc->string.pointer = 699 dest_desc->string.pointer =
700 ACPI_MEM_ALLOCATE((acpi_size) source_desc->string. 700 ACPI_ALLOCATE((acpi_size) source_desc->string.
701 length + 1); 701 length + 1);
702 if (!dest_desc->string.pointer) { 702 if (!dest_desc->string.pointer) {
703 return (AE_NO_MEMORY); 703 return (AE_NO_MEMORY);
704 } 704 }
@@ -805,9 +805,7 @@ acpi_ut_copy_ielement_to_ielement(u8 object_type,
805 /* 805 /*
806 * Create the object array 806 * Create the object array
807 */ 807 */
808 target_object->package.elements = 808 target_object->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size) source_object->package.count + 1) * sizeof(void *));
809 ACPI_MEM_CALLOCATE(((acpi_size) source_object->package.
810 count + 1) * sizeof(void *));
811 if (!target_object->package.elements) { 809 if (!target_object->package.elements) {
812 status = AE_NO_MEMORY; 810 status = AE_NO_MEMORY;
813 goto error_exit; 811 goto error_exit;
@@ -856,7 +854,7 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
856{ 854{
857 acpi_status status = AE_OK; 855 acpi_status status = AE_OK;
858 856
859 ACPI_FUNCTION_TRACE("ut_copy_ipackage_to_ipackage"); 857 ACPI_FUNCTION_TRACE(ut_copy_ipackage_to_ipackage);
860 858
861 dest_obj->common.type = ACPI_GET_OBJECT_TYPE(source_obj); 859 dest_obj->common.type = ACPI_GET_OBJECT_TYPE(source_obj);
862 dest_obj->common.flags = source_obj->common.flags; 860 dest_obj->common.flags = source_obj->common.flags;
@@ -865,10 +863,10 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
865 /* 863 /*
866 * Create the object array and walk the source package tree 864 * Create the object array and walk the source package tree
867 */ 865 */
868 dest_obj->package.elements = ACPI_MEM_CALLOCATE(((acpi_size) 866 dest_obj->package.elements = ACPI_ALLOCATE_ZEROED(((acpi_size)
869 source_obj->package. 867 source_obj->package.
870 count + 868 count +
871 1) * sizeof(void *)); 869 1) * sizeof(void *));
872 if (!dest_obj->package.elements) { 870 if (!dest_obj->package.elements) {
873 ACPI_ERROR((AE_INFO, "Package allocation failure")); 871 ACPI_ERROR((AE_INFO, "Package allocation failure"));
874 return_ACPI_STATUS(AE_NO_MEMORY); 872 return_ACPI_STATUS(AE_NO_MEMORY);
@@ -882,6 +880,7 @@ acpi_ut_copy_ipackage_to_ipackage(union acpi_operand_object *source_obj,
882 acpi_ut_copy_ielement_to_ielement, 880 acpi_ut_copy_ielement_to_ielement,
883 walk_state); 881 walk_state);
884 if (ACPI_FAILURE(status)) { 882 if (ACPI_FAILURE(status)) {
883
885 /* On failure, delete the destination package object */ 884 /* On failure, delete the destination package object */
886 885
887 acpi_ut_remove_reference(dest_obj); 886 acpi_ut_remove_reference(dest_obj);
@@ -911,7 +910,7 @@ acpi_ut_copy_iobject_to_iobject(union acpi_operand_object *source_desc,
911{ 910{
912 acpi_status status = AE_OK; 911 acpi_status status = AE_OK;
913 912
914 ACPI_FUNCTION_TRACE("ut_copy_iobject_to_iobject"); 913 ACPI_FUNCTION_TRACE(ut_copy_iobject_to_iobject);
915 914
916 /* Create the top level object */ 915 /* Create the top level object */
917 916
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 35f3d581e034..5ec1cfcc611d 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -41,8 +41,6 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47 45
48#define _COMPONENT ACPI_UTILITIES 46#define _COMPONENT ACPI_UTILITIES
@@ -123,12 +121,14 @@ static const char *acpi_ut_trim_function_name(const char *function_name)
123 /* All Function names are longer than 4 chars, check is safe */ 121 /* All Function names are longer than 4 chars, check is safe */
124 122
125 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) { 123 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_MIXED) {
124
126 /* This is the case where the original source has not been modified */ 125 /* This is the case where the original source has not been modified */
127 126
128 return (function_name + 4); 127 return (function_name + 4);
129 } 128 }
130 129
131 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) { 130 if (*(ACPI_CAST_PTR(u32, function_name)) == ACPI_PREFIX_LOWER) {
131
132 /* This is the case where the source has been 'linuxized' */ 132 /* This is the case where the source has been 'linuxized' */
133 133
134 return (function_name + 5); 134 return (function_name + 5);
@@ -162,7 +162,7 @@ acpi_ut_debug_print(u32 requested_debug_level,
162 const char *function_name, 162 const char *function_name,
163 char *module_name, u32 component_id, char *format, ...) 163 char *module_name, u32 component_id, char *format, ...)
164{ 164{
165 u32 thread_id; 165 acpi_thread_id thread_id;
166 va_list args; 166 va_list args;
167 167
168 /* 168 /*
@@ -177,7 +177,6 @@ acpi_ut_debug_print(u32 requested_debug_level,
177 * Thread tracking and context switch notification 177 * Thread tracking and context switch notification
178 */ 178 */
179 thread_id = acpi_os_get_thread_id(); 179 thread_id = acpi_os_get_thread_id();
180
181 if (thread_id != acpi_gbl_prev_thread_id) { 180 if (thread_id != acpi_gbl_prev_thread_id) {
182 if (ACPI_LV_THREADS & acpi_dbg_level) { 181 if (ACPI_LV_THREADS & acpi_dbg_level) {
183 acpi_os_printf 182 acpi_os_printf
@@ -206,7 +205,7 @@ acpi_ut_debug_print(u32 requested_debug_level,
206 acpi_os_vprintf(format, args); 205 acpi_os_vprintf(format, args);
207} 206}
208 207
209EXPORT_SYMBOL(acpi_ut_debug_print); 208ACPI_EXPORT_SYMBOL(acpi_ut_debug_print)
210 209
211/******************************************************************************* 210/*******************************************************************************
212 * 211 *
@@ -226,7 +225,6 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
226 * debug_print so that the same macros can be used. 225 * debug_print so that the same macros can be used.
227 * 226 *
228 ******************************************************************************/ 227 ******************************************************************************/
229
230void ACPI_INTERNAL_VAR_XFACE 228void ACPI_INTERNAL_VAR_XFACE
231acpi_ut_debug_print_raw(u32 requested_debug_level, 229acpi_ut_debug_print_raw(u32 requested_debug_level,
232 u32 line_number, 230 u32 line_number,
@@ -244,7 +242,7 @@ acpi_ut_debug_print_raw(u32 requested_debug_level,
244 acpi_os_vprintf(format, args); 242 acpi_os_vprintf(format, args);
245} 243}
246 244
247EXPORT_SYMBOL(acpi_ut_debug_print_raw); 245ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
248 246
249/******************************************************************************* 247/*******************************************************************************
250 * 248 *
@@ -261,7 +259,6 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
261 * set in debug_level 259 * set in debug_level
262 * 260 *
263 ******************************************************************************/ 261 ******************************************************************************/
264
265void 262void
266acpi_ut_trace(u32 line_number, 263acpi_ut_trace(u32 line_number,
267 const char *function_name, char *module_name, u32 component_id) 264 const char *function_name, char *module_name, u32 component_id)
@@ -275,7 +272,7 @@ acpi_ut_trace(u32 line_number,
275 component_id, "%s\n", acpi_gbl_fn_entry_str); 272 component_id, "%s\n", acpi_gbl_fn_entry_str);
276} 273}
277 274
278EXPORT_SYMBOL(acpi_ut_trace); 275ACPI_EXPORT_SYMBOL(acpi_ut_trace)
279 276
280/******************************************************************************* 277/*******************************************************************************
281 * 278 *
@@ -293,7 +290,6 @@ EXPORT_SYMBOL(acpi_ut_trace);
293 * set in debug_level 290 * set in debug_level
294 * 291 *
295 ******************************************************************************/ 292 ******************************************************************************/
296
297void 293void
298acpi_ut_trace_ptr(u32 line_number, 294acpi_ut_trace_ptr(u32 line_number,
299 const char *function_name, 295 const char *function_name,
@@ -400,7 +396,7 @@ acpi_ut_exit(u32 line_number,
400 acpi_gbl_nesting_level--; 396 acpi_gbl_nesting_level--;
401} 397}
402 398
403EXPORT_SYMBOL(acpi_ut_exit); 399ACPI_EXPORT_SYMBOL(acpi_ut_exit)
404 400
405/******************************************************************************* 401/*******************************************************************************
406 * 402 *
@@ -418,7 +414,6 @@ EXPORT_SYMBOL(acpi_ut_exit);
418 * set in debug_level. Prints exit status also. 414 * set in debug_level. Prints exit status also.
419 * 415 *
420 ******************************************************************************/ 416 ******************************************************************************/
421
422void 417void
423acpi_ut_status_exit(u32 line_number, 418acpi_ut_status_exit(u32 line_number,
424 const char *function_name, 419 const char *function_name,
@@ -442,7 +437,7 @@ acpi_ut_status_exit(u32 line_number,
442 acpi_gbl_nesting_level--; 437 acpi_gbl_nesting_level--;
443} 438}
444 439
445EXPORT_SYMBOL(acpi_ut_status_exit); 440ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
446 441
447/******************************************************************************* 442/*******************************************************************************
448 * 443 *
@@ -460,7 +455,6 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
460 * set in debug_level. Prints exit value also. 455 * set in debug_level. Prints exit value also.
461 * 456 *
462 ******************************************************************************/ 457 ******************************************************************************/
463
464void 458void
465acpi_ut_value_exit(u32 line_number, 459acpi_ut_value_exit(u32 line_number,
466 const char *function_name, 460 const char *function_name,
@@ -475,7 +469,7 @@ acpi_ut_value_exit(u32 line_number,
475 acpi_gbl_nesting_level--; 469 acpi_gbl_nesting_level--;
476} 470}
477 471
478EXPORT_SYMBOL(acpi_ut_value_exit); 472ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
479 473
480/******************************************************************************* 474/*******************************************************************************
481 * 475 *
@@ -493,7 +487,6 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
493 * set in debug_level. Prints exit value also. 487 * set in debug_level. Prints exit value also.
494 * 488 *
495 ******************************************************************************/ 489 ******************************************************************************/
496
497void 490void
498acpi_ut_ptr_exit(u32 line_number, 491acpi_ut_ptr_exit(u32 line_number,
499 const char *function_name, 492 const char *function_name,
@@ -524,20 +517,13 @@ acpi_ut_ptr_exit(u32 line_number,
524 * 517 *
525 ******************************************************************************/ 518 ******************************************************************************/
526 519
527void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) 520void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
528{ 521{
529 acpi_native_uint i = 0; 522 acpi_native_uint i = 0;
530 acpi_native_uint j; 523 acpi_native_uint j;
531 u32 temp32; 524 u32 temp32;
532 u8 buf_char; 525 u8 buf_char;
533 526
534 /* Only dump the buffer if tracing is enabled */
535
536 if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
537 (component_id & acpi_dbg_layer))) {
538 return;
539 }
540
541 if ((count < 4) || (count & 0x01)) { 527 if ((count < 4) || (count & 0x01)) {
542 display = DB_BYTE_DISPLAY; 528 display = DB_BYTE_DISPLAY;
543 } 529 }
@@ -545,6 +531,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
545 /* Nasty little dump buffer routine! */ 531 /* Nasty little dump buffer routine! */
546 532
547 while (i < count) { 533 while (i < count) {
534
548 /* Print current offset */ 535 /* Print current offset */
549 536
550 acpi_os_printf("%6.4X: ", (u32) i); 537 acpi_os_printf("%6.4X: ", (u32) i);
@@ -553,6 +540,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
553 540
554 for (j = 0; j < 16;) { 541 for (j = 0; j < 16;) {
555 if (i + j >= count) { 542 if (i + j >= count) {
543
556 /* Dump fill spaces */ 544 /* Dump fill spaces */
557 545
558 acpi_os_printf("%*s", ((display * 2) + 1), " "); 546 acpi_os_printf("%*s", ((display * 2) + 1), " ");
@@ -561,6 +549,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
561 } 549 }
562 550
563 switch (display) { 551 switch (display) {
552 case DB_BYTE_DISPLAY:
564 default: /* Default is BYTE display */ 553 default: /* Default is BYTE display */
565 554
566 acpi_os_printf("%02X ", buffer[i + j]); 555 acpi_os_printf("%02X ", buffer[i + j]);
@@ -618,3 +607,31 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
618 607
619 return; 608 return;
620} 609}
610
611/*******************************************************************************
612 *
613 * FUNCTION: acpi_ut_dump_buffer
614 *
615 * PARAMETERS: Buffer - Buffer to dump
616 * Count - Amount to dump, in bytes
617 * Display - BYTE, WORD, DWORD, or QWORD display
618 * component_iD - Caller's component ID
619 *
620 * RETURN: None
621 *
622 * DESCRIPTION: Generic dump buffer in both hex and ascii.
623 *
624 ******************************************************************************/
625
626void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
627{
628
629 /* Only dump the buffer if tracing is enabled */
630
631 if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
632 (component_id & acpi_dbg_layer))) {
633 return;
634 }
635
636 acpi_ut_dump_buffer2(buffer, count, display);
637}
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index 1db9695b0029..67b9f325c6fa 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -76,7 +76,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
76 union acpi_operand_object *second_desc; 76 union acpi_operand_object *second_desc;
77 union acpi_operand_object *next_desc; 77 union acpi_operand_object *next_desc;
78 78
79 ACPI_FUNCTION_TRACE_PTR("ut_delete_internal_obj", object); 79 ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
80 80
81 if (!object) { 81 if (!object) {
82 return_VOID; 82 return_VOID;
@@ -96,6 +96,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
96 /* Free the actual string buffer */ 96 /* Free the actual string buffer */
97 97
98 if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) { 98 if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
99
99 /* But only if it is NOT a pointer into an ACPI table */ 100 /* But only if it is NOT a pointer into an ACPI table */
100 101
101 obj_pointer = object->string.pointer; 102 obj_pointer = object->string.pointer;
@@ -111,6 +112,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
111 /* Free the actual buffer */ 112 /* Free the actual buffer */
112 113
113 if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) { 114 if (!(object->common.flags & AOPOBJ_STATIC_POINTER)) {
115
114 /* But only if it is NOT a pointer into an ACPI table */ 116 /* But only if it is NOT a pointer into an ACPI table */
115 117
116 obj_pointer = object->buffer.pointer; 118 obj_pointer = object->buffer.pointer;
@@ -198,11 +200,22 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
198 */ 200 */
199 handler_desc = object->region.handler; 201 handler_desc = object->region.handler;
200 if (handler_desc) { 202 if (handler_desc) {
201 if (handler_desc->address_space. 203 if (handler_desc->address_space.handler_flags &
202 hflags &
203 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) { 204 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
204 obj_pointer = 205
205 second_desc->extra.region_context; 206 /* Deactivate region and free region context */
207
208 if (handler_desc->address_space.setup) {
209 (void)handler_desc->
210 address_space.setup(object,
211 ACPI_REGION_DEACTIVATE,
212 handler_desc->
213 address_space.
214 context,
215 &second_desc->
216 extra.
217 region_context);
218 }
206 } 219 }
207 220
208 acpi_ut_remove_reference(handler_desc); 221 acpi_ut_remove_reference(handler_desc);
@@ -234,7 +247,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
234 if (obj_pointer) { 247 if (obj_pointer) {
235 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, 248 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS,
236 "Deleting Object Subptr %p\n", obj_pointer)); 249 "Deleting Object Subptr %p\n", obj_pointer));
237 ACPI_MEM_FREE(obj_pointer); 250 ACPI_FREE(obj_pointer);
238 } 251 }
239 252
240 /* Now the object can be safely deleted */ 253 /* Now the object can be safely deleted */
@@ -263,7 +276,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
263{ 276{
264 union acpi_operand_object **internal_obj; 277 union acpi_operand_object **internal_obj;
265 278
266 ACPI_FUNCTION_TRACE("ut_delete_internal_object_list"); 279 ACPI_FUNCTION_TRACE(ut_delete_internal_object_list);
267 280
268 /* Walk the null-terminated internal list */ 281 /* Walk the null-terminated internal list */
269 282
@@ -273,7 +286,7 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list)
273 286
274 /* Free the combined parameter pointer list and object array */ 287 /* Free the combined parameter pointer list and object array */
275 288
276 ACPI_MEM_FREE(obj_list); 289 ACPI_FREE(obj_list);
277 return_VOID; 290 return_VOID;
278} 291}
279 292
@@ -296,7 +309,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
296 u16 count; 309 u16 count;
297 u16 new_count; 310 u16 new_count;
298 311
299 ACPI_FUNCTION_NAME("ut_update_ref_count"); 312 ACPI_FUNCTION_NAME(ut_update_ref_count);
300 313
301 if (!object) { 314 if (!object) {
302 return; 315 return;
@@ -306,11 +319,9 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
306 new_count = count; 319 new_count = count;
307 320
308 /* 321 /*
309 * Perform the reference count action 322 * Perform the reference count action (increment, decrement, force delete)
310 * (increment, decrement, or force delete)
311 */ 323 */
312 switch (action) { 324 switch (action) {
313
314 case REF_INCREMENT: 325 case REF_INCREMENT:
315 326
316 new_count++; 327 new_count++;
@@ -347,7 +358,6 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
347 if (new_count == 0) { 358 if (new_count == 0) {
348 acpi_ut_delete_internal_obj(object); 359 acpi_ut_delete_internal_obj(object);
349 } 360 }
350
351 break; 361 break;
352 362
353 case REF_FORCE_DELETE: 363 case REF_FORCE_DELETE:
@@ -372,13 +382,10 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
372 * (A deleted object will have a huge reference count) 382 * (A deleted object will have a huge reference count)
373 */ 383 */
374 if (count > ACPI_MAX_REFERENCE_COUNT) { 384 if (count > ACPI_MAX_REFERENCE_COUNT) {
375
376 ACPI_WARNING((AE_INFO, 385 ACPI_WARNING((AE_INFO,
377 "Large Reference Count (%X) in object %p", 386 "Large Reference Count (%X) in object %p", count,
378 count, object)); 387 object));
379 } 388 }
380
381 return;
382} 389}
383 390
384/******************************************************************************* 391/*******************************************************************************
@@ -404,7 +411,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
404 ******************************************************************************/ 411 ******************************************************************************/
405 412
406acpi_status 413acpi_status
407acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action) 414acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
408{ 415{
409 acpi_status status = AE_OK; 416 acpi_status status = AE_OK;
410 union acpi_generic_state *state_list = NULL; 417 union acpi_generic_state *state_list = NULL;
@@ -412,9 +419,10 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
412 union acpi_generic_state *state; 419 union acpi_generic_state *state;
413 acpi_native_uint i; 420 acpi_native_uint i;
414 421
415 ACPI_FUNCTION_TRACE_PTR("ut_update_object_reference", object); 422 ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);
416 423
417 while (object) { 424 while (object) {
425
418 /* Make sure that this isn't a namespace handle */ 426 /* Make sure that this isn't a namespace handle */
419 427
420 if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) { 428 if (ACPI_GET_DESCRIPTOR_TYPE(object) == ACPI_DESC_TYPE_NAMED) {
@@ -507,11 +515,11 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
507 515
508 case ACPI_TYPE_REGION: 516 case ACPI_TYPE_REGION:
509 default: 517 default:
510 break; /* No subobjects */ 518 break; /* No subobjects for all other types */
511 } 519 }
512 520
513 /* 521 /*
514 * Now we can update the count in the main object. This can only 522 * Now we can update the count in the main object. This can only
515 * happen after we update the sub-objects in case this causes the 523 * happen after we update the sub-objects in case this causes the
516 * main object to be deleted. 524 * main object to be deleted.
517 */ 525 */
@@ -556,7 +564,7 @@ acpi_ut_update_object_reference(union acpi_operand_object * object, u16 action)
556void acpi_ut_add_reference(union acpi_operand_object *object) 564void acpi_ut_add_reference(union acpi_operand_object *object)
557{ 565{
558 566
559 ACPI_FUNCTION_TRACE_PTR("ut_add_reference", object); 567 ACPI_FUNCTION_TRACE_PTR(ut_add_reference, object);
560 568
561 /* Ensure that we have a valid object */ 569 /* Ensure that we have a valid object */
562 570
@@ -589,11 +597,11 @@ void acpi_ut_add_reference(union acpi_operand_object *object)
589void acpi_ut_remove_reference(union acpi_operand_object *object) 597void acpi_ut_remove_reference(union acpi_operand_object *object)
590{ 598{
591 599
592 ACPI_FUNCTION_TRACE_PTR("ut_remove_reference", object); 600 ACPI_FUNCTION_TRACE_PTR(ut_remove_reference, object);
593 601
594 /* 602 /*
595 * Allow a NULL pointer to be passed in, just ignore it. This saves 603 * Allow a NULL pointer to be passed in, just ignore it. This saves
596 * each caller from having to check. Also, ignore NS nodes. 604 * each caller from having to check. Also, ignore NS nodes.
597 * 605 *
598 */ 606 */
599 if (!object || 607 if (!object ||
@@ -613,7 +621,7 @@ void acpi_ut_remove_reference(union acpi_operand_object *object)
613 621
614 /* 622 /*
615 * Decrement the reference count, and only actually delete the object 623 * Decrement the reference count, and only actually delete the object
616 * if the reference count becomes 0. (Must also decrement the ref count 624 * if the reference count becomes 0. (Must also decrement the ref count
617 * of all subobjects!) 625 * of all subobjects!)
618 */ 626 */
619 (void)acpi_ut_update_object_reference(object, REF_DECREMENT); 627 (void)acpi_ut_update_object_reference(object, REF_DECREMENT);
diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c
index 106cc97cb4af..d6d7121583c0 100644
--- a/drivers/acpi/utilities/uteval.c
+++ b/drivers/acpi/utilities/uteval.c
@@ -56,6 +56,34 @@ static acpi_status
56acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc, 56acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
57 struct acpi_compatible_id *one_cid); 57 struct acpi_compatible_id *one_cid);
58 58
59/*
60 * Strings supported by the _OSI predefined (internal) method.
61 */
62static const char *acpi_interfaces_supported[] = {
63 /* Operating System Vendor Strings */
64
65 "Linux",
66 "Windows 2000",
67 "Windows 2001",
68 "Windows 2001 SP0",
69 "Windows 2001 SP1",
70 "Windows 2001 SP2",
71 "Windows 2001 SP3",
72 "Windows 2001 SP4",
73 "Windows 2001.1",
74 "Windows 2001.1 SP1", /* Added 03/2006 */
75 "Windows 2006", /* Added 03/2006 */
76
77 /* Feature Group Strings */
78
79 "Extended Address Space Descriptor"
80 /*
81 * All "optional" feature group strings (features that are implemented
82 * by the host) should be implemented in the host version of
83 * acpi_os_validate_interface and should not be added here.
84 */
85};
86
59/******************************************************************************* 87/*******************************************************************************
60 * 88 *
61 * FUNCTION: acpi_ut_osi_implementation 89 * FUNCTION: acpi_ut_osi_implementation
@@ -64,18 +92,18 @@ acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
64 * 92 *
65 * RETURN: Status 93 * RETURN: Status
66 * 94 *
67 * DESCRIPTION: Implementation of _OSI predefined control method 95 * DESCRIPTION: Implementation of the _OSI predefined control method
68 * Supported = _OSI (String)
69 * 96 *
70 ******************************************************************************/ 97 ******************************************************************************/
71 98
72acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) 99acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
73{ 100{
101 acpi_status status;
74 union acpi_operand_object *string_desc; 102 union acpi_operand_object *string_desc;
75 union acpi_operand_object *return_desc; 103 union acpi_operand_object *return_desc;
76 acpi_native_uint i; 104 acpi_native_uint i;
77 105
78 ACPI_FUNCTION_TRACE("ut_osi_implementation"); 106 ACPI_FUNCTION_TRACE(ut_osi_implementation);
79 107
80 /* Validate the string input argument */ 108 /* Validate the string input argument */
81 109
@@ -84,28 +112,47 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
84 return_ACPI_STATUS(AE_TYPE); 112 return_ACPI_STATUS(AE_TYPE);
85 } 113 }
86 114
87 /* Create a return object (Default value = 0) */ 115 /* Create a return object */
88 116
89 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); 117 return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
90 if (!return_desc) { 118 if (!return_desc) {
91 return_ACPI_STATUS(AE_NO_MEMORY); 119 return_ACPI_STATUS(AE_NO_MEMORY);
92 } 120 }
93 121
94 /* Compare input string to table of supported strings */ 122 /* Default return value is SUPPORTED */
123
124 return_desc->integer.value = ACPI_UINT32_MAX;
125 walk_state->return_desc = return_desc;
126
127 /* Compare input string to static table of supported interfaces */
95 128
96 for (i = 0; i < ACPI_NUM_OSI_STRINGS; i++) { 129 for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
97 if (!ACPI_STRCMP(string_desc->string.pointer, 130 if (!ACPI_STRCMP
98 ACPI_CAST_PTR(char, 131 (string_desc->string.pointer,
99 acpi_gbl_valid_osi_strings[i]))) 132 acpi_interfaces_supported[i])) {
100 {
101 /* This string is supported */
102 133
103 return_desc->integer.value = 0xFFFFFFFF; 134 /* The interface is supported */
104 break; 135
136 return_ACPI_STATUS(AE_CTRL_TERMINATE);
105 } 137 }
106 } 138 }
107 139
108 walk_state->return_desc = return_desc; 140 /*
141 * Did not match the string in the static table, call the host OSL to
142 * check for a match with one of the optional strings (such as
143 * "Module Device", "3.0 Thermal Model", etc.)
144 */
145 status = acpi_os_validate_interface(string_desc->string.pointer);
146 if (ACPI_SUCCESS(status)) {
147
148 /* The interface is supported */
149
150 return_ACPI_STATUS(AE_CTRL_TERMINATE);
151 }
152
153 /* The interface is not supported */
154
155 return_desc->integer.value = 0;
109 return_ACPI_STATUS(AE_CTRL_TERMINATE); 156 return_ACPI_STATUS(AE_CTRL_TERMINATE);
110} 157}
111 158
@@ -134,19 +181,26 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
134 u32 expected_return_btypes, 181 u32 expected_return_btypes,
135 union acpi_operand_object **return_desc) 182 union acpi_operand_object **return_desc)
136{ 183{
137 struct acpi_parameter_info info; 184 struct acpi_evaluate_info *info;
138 acpi_status status; 185 acpi_status status;
139 u32 return_btype; 186 u32 return_btype;
140 187
141 ACPI_FUNCTION_TRACE("ut_evaluate_object"); 188 ACPI_FUNCTION_TRACE(ut_evaluate_object);
142 189
143 info.node = prefix_node; 190 /* Allocate the evaluation information block */
144 info.parameters = NULL; 191
145 info.parameter_type = ACPI_PARAM_ARGS; 192 info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
193 if (!info) {
194 return_ACPI_STATUS(AE_NO_MEMORY);
195 }
196
197 info->prefix_node = prefix_node;
198 info->pathname = path;
199 info->parameter_type = ACPI_PARAM_ARGS;
146 200
147 /* Evaluate the object/method */ 201 /* Evaluate the object/method */
148 202
149 status = acpi_ns_evaluate_relative(path, &info); 203 status = acpi_ns_evaluate(info);
150 if (ACPI_FAILURE(status)) { 204 if (ACPI_FAILURE(status)) {
151 if (status == AE_NOT_FOUND) { 205 if (status == AE_NOT_FOUND) {
152 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 206 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
@@ -158,25 +212,25 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
158 prefix_node, path, status); 212 prefix_node, path, status);
159 } 213 }
160 214
161 return_ACPI_STATUS(status); 215 goto cleanup;
162 } 216 }
163 217
164 /* Did we get a return object? */ 218 /* Did we get a return object? */
165 219
166 if (!info.return_object) { 220 if (!info->return_object) {
167 if (expected_return_btypes) { 221 if (expected_return_btypes) {
168 ACPI_ERROR_METHOD("No object was returned from", 222 ACPI_ERROR_METHOD("No object was returned from",
169 prefix_node, path, AE_NOT_EXIST); 223 prefix_node, path, AE_NOT_EXIST);
170 224
171 return_ACPI_STATUS(AE_NOT_EXIST); 225 status = AE_NOT_EXIST;
172 } 226 }
173 227
174 return_ACPI_STATUS(AE_OK); 228 goto cleanup;
175 } 229 }
176 230
177 /* Map the return object type to the bitmapped type */ 231 /* Map the return object type to the bitmapped type */
178 232
179 switch (ACPI_GET_OBJECT_TYPE(info.return_object)) { 233 switch (ACPI_GET_OBJECT_TYPE(info->return_object)) {
180 case ACPI_TYPE_INTEGER: 234 case ACPI_TYPE_INTEGER:
181 return_btype = ACPI_BTYPE_INTEGER; 235 return_btype = ACPI_BTYPE_INTEGER;
182 break; 236 break;
@@ -204,8 +258,8 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
204 * happen frequently if the "implicit return" feature is enabled. 258 * happen frequently if the "implicit return" feature is enabled.
205 * Just delete the return object and return AE_OK. 259 * Just delete the return object and return AE_OK.
206 */ 260 */
207 acpi_ut_remove_reference(info.return_object); 261 acpi_ut_remove_reference(info->return_object);
208 return_ACPI_STATUS(AE_OK); 262 goto cleanup;
209 } 263 }
210 264
211 /* Is the return object one of the expected types? */ 265 /* Is the return object one of the expected types? */
@@ -217,19 +271,23 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
217 ACPI_ERROR((AE_INFO, 271 ACPI_ERROR((AE_INFO,
218 "Type returned from %s was incorrect: %s, expected Btypes: %X", 272 "Type returned from %s was incorrect: %s, expected Btypes: %X",
219 path, 273 path,
220 acpi_ut_get_object_type_name(info.return_object), 274 acpi_ut_get_object_type_name(info->return_object),
221 expected_return_btypes)); 275 expected_return_btypes));
222 276
223 /* On error exit, we must delete the return object */ 277 /* On error exit, we must delete the return object */
224 278
225 acpi_ut_remove_reference(info.return_object); 279 acpi_ut_remove_reference(info->return_object);
226 return_ACPI_STATUS(AE_TYPE); 280 status = AE_TYPE;
281 goto cleanup;
227 } 282 }
228 283
229 /* Object type is OK, return it */ 284 /* Object type is OK, return it */
230 285
231 *return_desc = info.return_object; 286 *return_desc = info->return_object;
232 return_ACPI_STATUS(AE_OK); 287
288 cleanup:
289 ACPI_FREE(info);
290 return_ACPI_STATUS(status);
233} 291}
234 292
235/******************************************************************************* 293/*******************************************************************************
@@ -257,7 +315,7 @@ acpi_ut_evaluate_numeric_object(char *object_name,
257 union acpi_operand_object *obj_desc; 315 union acpi_operand_object *obj_desc;
258 acpi_status status; 316 acpi_status status;
259 317
260 ACPI_FUNCTION_TRACE("ut_evaluate_numeric_object"); 318 ACPI_FUNCTION_TRACE(ut_evaluate_numeric_object);
261 319
262 status = acpi_ut_evaluate_object(device_node, object_name, 320 status = acpi_ut_evaluate_object(device_node, object_name,
263 ACPI_BTYPE_INTEGER, &obj_desc); 321 ACPI_BTYPE_INTEGER, &obj_desc);
@@ -333,7 +391,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
333 union acpi_operand_object *obj_desc; 391 union acpi_operand_object *obj_desc;
334 acpi_status status; 392 acpi_status status;
335 393
336 ACPI_FUNCTION_TRACE("ut_execute_HID"); 394 ACPI_FUNCTION_TRACE(ut_execute_HID);
337 395
338 status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID, 396 status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
339 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, 397 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
@@ -343,6 +401,7 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
343 } 401 }
344 402
345 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 403 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
404
346 /* Convert the Numeric HID to string */ 405 /* Convert the Numeric HID to string */
347 406
348 acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value, 407 acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
@@ -436,7 +495,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
436 struct acpi_compatible_id_list *cid_list; 495 struct acpi_compatible_id_list *cid_list;
437 acpi_native_uint i; 496 acpi_native_uint i;
438 497
439 ACPI_FUNCTION_TRACE("ut_execute_CID"); 498 ACPI_FUNCTION_TRACE(ut_execute_CID);
440 499
441 /* Evaluate the _CID method for this device */ 500 /* Evaluate the _CID method for this device */
442 501
@@ -459,7 +518,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
459 size = (((count - 1) * sizeof(struct acpi_compatible_id)) + 518 size = (((count - 1) * sizeof(struct acpi_compatible_id)) +
460 sizeof(struct acpi_compatible_id_list)); 519 sizeof(struct acpi_compatible_id_list));
461 520
462 cid_list = ACPI_MEM_CALLOCATE((acpi_size) size); 521 cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
463 if (!cid_list) { 522 if (!cid_list) {
464 return_ACPI_STATUS(AE_NO_MEMORY); 523 return_ACPI_STATUS(AE_NO_MEMORY);
465 } 524 }
@@ -479,6 +538,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
479 /* The _CID object can be either a single CID or a package (list) of CIDs */ 538 /* The _CID object can be either a single CID or a package (list) of CIDs */
480 539
481 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) { 540 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
541
482 /* Translate each package element */ 542 /* Translate each package element */
483 543
484 for (i = 0; i < count; i++) { 544 for (i = 0; i < count; i++) {
@@ -499,7 +559,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
499 /* Cleanup on error */ 559 /* Cleanup on error */
500 560
501 if (ACPI_FAILURE(status)) { 561 if (ACPI_FAILURE(status)) {
502 ACPI_MEM_FREE(cid_list); 562 ACPI_FREE(cid_list);
503 } else { 563 } else {
504 *return_cid_list = cid_list; 564 *return_cid_list = cid_list;
505 } 565 }
@@ -533,7 +593,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
533 union acpi_operand_object *obj_desc; 593 union acpi_operand_object *obj_desc;
534 acpi_status status; 594 acpi_status status;
535 595
536 ACPI_FUNCTION_TRACE("ut_execute_UID"); 596 ACPI_FUNCTION_TRACE(ut_execute_UID);
537 597
538 status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID, 598 status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
539 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, 599 ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
@@ -543,6 +603,7 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
543 } 603 }
544 604
545 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { 605 if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
606
546 /* Convert the Numeric UID to string */ 607 /* Convert the Numeric UID to string */
547 608
548 acpi_ex_unsigned_integer_to_string(obj_desc->integer.value, 609 acpi_ex_unsigned_integer_to_string(obj_desc->integer.value,
@@ -582,7 +643,7 @@ acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags)
582 union acpi_operand_object *obj_desc; 643 union acpi_operand_object *obj_desc;
583 acpi_status status; 644 acpi_status status;
584 645
585 ACPI_FUNCTION_TRACE("ut_execute_STA"); 646 ACPI_FUNCTION_TRACE(ut_execute_STA);
586 647
587 status = acpi_ut_evaluate_object(device_node, METHOD_NAME__STA, 648 status = acpi_ut_evaluate_object(device_node, METHOD_NAME__STA,
588 ACPI_BTYPE_INTEGER, &obj_desc); 649 ACPI_BTYPE_INTEGER, &obj_desc);
@@ -632,7 +693,7 @@ acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest)
632 acpi_status status; 693 acpi_status status;
633 u32 i; 694 u32 i;
634 695
635 ACPI_FUNCTION_TRACE("ut_execute_Sxds"); 696 ACPI_FUNCTION_TRACE(ut_execute_sxds);
636 697
637 for (i = 0; i < 4; i++) { 698 for (i = 0; i < 4; i++) {
638 highest[i] = 0xFF; 699 highest[i] = 0xFF;
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index ffd13383a325..e5999c65c0b8 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -43,7 +43,6 @@
43 43
44#define DEFINE_ACPI_GLOBALS 44#define DEFINE_ACPI_GLOBALS
45 45
46#include <linux/module.h>
47#include <acpi/acpi.h> 46#include <acpi/acpi.h>
48#include <acpi/acnamesp.h> 47#include <acpi/acnamesp.h>
49 48
@@ -119,6 +118,7 @@ const char *acpi_format_exception(acpi_status status)
119 } 118 }
120 119
121 if (!exception) { 120 if (!exception) {
121
122 /* Exception code was not recognized */ 122 /* Exception code was not recognized */
123 123
124 ACPI_ERROR((AE_INFO, 124 ACPI_ERROR((AE_INFO,
@@ -143,12 +143,10 @@ const char *acpi_format_exception(acpi_status status)
143 143
144/* Debug switch - level and trace mask */ 144/* Debug switch - level and trace mask */
145u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT; 145u32 acpi_dbg_level = ACPI_DEBUG_DEFAULT;
146EXPORT_SYMBOL(acpi_dbg_level);
147 146
148/* Debug switch - layer (component) mask */ 147/* Debug switch - layer (component) mask */
149 148
150u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS; 149u32 acpi_dbg_layer = ACPI_COMPONENT_DEFAULT | ACPI_ALL_DRIVERS;
151EXPORT_SYMBOL(acpi_dbg_layer);
152u32 acpi_gbl_nesting_level = 0; 150u32 acpi_gbl_nesting_level = 0;
153 151
154/* Debugger globals */ 152/* Debugger globals */
@@ -183,28 +181,6 @@ const char *acpi_gbl_highest_dstate_names[4] = {
183 "_S4D" 181 "_S4D"
184}; 182};
185 183
186/*
187 * Strings supported by the _OSI predefined (internal) method.
188 * When adding strings, be sure to update ACPI_NUM_OSI_STRINGS.
189 */
190const char *acpi_gbl_valid_osi_strings[ACPI_NUM_OSI_STRINGS] = {
191 /* Operating System Vendor Strings */
192
193 "Linux",
194 "Windows 2000",
195 "Windows 2001",
196 "Windows 2001.1",
197 "Windows 2001 SP0",
198 "Windows 2001 SP1",
199 "Windows 2001 SP2",
200 "Windows 2001 SP3",
201 "Windows 2001 SP4",
202
203 /* Feature Group Strings */
204
205 "Extended Address Space Descriptor"
206};
207
208/******************************************************************************* 184/*******************************************************************************
209 * 185 *
210 * Namespace globals 186 * Namespace globals
@@ -317,9 +293,9 @@ char acpi_ut_hex_to_ascii_char(acpi_integer integer, u32 position)
317 * 293 *
318 ******************************************************************************/ 294 ******************************************************************************/
319 295
320struct acpi_table_list acpi_gbl_table_lists[NUM_ACPI_TABLE_TYPES]; 296struct acpi_table_list acpi_gbl_table_lists[ACPI_TABLE_ID_MAX + 1];
321 297
322struct acpi_table_support acpi_gbl_table_data[NUM_ACPI_TABLE_TYPES] = { 298struct acpi_table_support acpi_gbl_table_data[ACPI_TABLE_ID_MAX + 1] = {
323 /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */ 299 /*********** Name, Signature, Global typed pointer Signature size, Type How many allowed?, Contains valid AML? */
324 300
325 /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1, 301 /* RSDP 0 */ {RSDP_NAME, RSDP_SIG, NULL, sizeof(RSDP_SIG) - 1,
@@ -467,7 +443,6 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] =
467/* Region type decoding */ 443/* Region type decoding */
468 444
469const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { 445const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
470/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
471 "SystemMemory", 446 "SystemMemory",
472 "SystemIO", 447 "SystemIO",
473 "PCI_Config", 448 "PCI_Config",
@@ -476,16 +451,15 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
476 "CMOS", 451 "CMOS",
477 "PCIBARTarget", 452 "PCIBARTarget",
478 "DataTable" 453 "DataTable"
479/*! [End] no source code translation !*/
480}; 454};
481 455
482char *acpi_ut_get_region_name(u8 space_id) 456char *acpi_ut_get_region_name(u8 space_id)
483{ 457{
484 458
485 if (space_id >= ACPI_USER_REGION_BEGIN) { 459 if (space_id >= ACPI_USER_REGION_BEGIN) {
486 return ("user_defined_region"); 460 return ("UserDefinedRegion");
487 } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) { 461 } else if (space_id >= ACPI_NUM_PREDEFINED_REGIONS) {
488 return ("invalid_space_id"); 462 return ("InvalidSpaceId");
489 } 463 }
490 464
491 return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id])); 465 return (ACPI_CAST_PTR(char, acpi_gbl_region_types[space_id]));
@@ -506,20 +480,18 @@ char *acpi_ut_get_region_name(u8 space_id)
506/* Event type decoding */ 480/* Event type decoding */
507 481
508static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = { 482static const char *acpi_gbl_event_types[ACPI_NUM_FIXED_EVENTS] = {
509/*! [Begin] no source code translation (keep these strings as-is) */
510 "PM_Timer", 483 "PM_Timer",
511 "GlobalLock", 484 "GlobalLock",
512 "PowerButton", 485 "PowerButton",
513 "SleepButton", 486 "SleepButton",
514 "RealTimeClock", 487 "RealTimeClock",
515/*! [End] no source code translation !*/
516}; 488};
517 489
518char *acpi_ut_get_event_name(u32 event_id) 490char *acpi_ut_get_event_name(u32 event_id)
519{ 491{
520 492
521 if (event_id > ACPI_EVENT_MAX) { 493 if (event_id > ACPI_EVENT_MAX) {
522 return ("invalid_event_iD"); 494 return ("InvalidEventID");
523 } 495 }
524 496
525 return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id])); 497 return (ACPI_CAST_PTR(char, acpi_gbl_event_types[event_id]));
@@ -550,7 +522,6 @@ static const char acpi_gbl_bad_type[] = "UNDEFINED";
550/* Printable names of the ACPI object types */ 522/* Printable names of the ACPI object types */
551 523
552static const char *acpi_gbl_ns_type_names[] = { 524static const char *acpi_gbl_ns_type_names[] = {
553/*! [Begin] no source code translation (keep these strings as-is) */
554 /* 00 */ "Untyped", 525 /* 00 */ "Untyped",
555 /* 01 */ "Integer", 526 /* 01 */ "Integer",
556 /* 02 */ "String", 527 /* 02 */ "String",
@@ -582,7 +553,6 @@ static const char *acpi_gbl_ns_type_names[] = {
582 /* 28 */ "Extra", 553 /* 28 */ "Extra",
583 /* 29 */ "Data", 554 /* 29 */ "Data",
584 /* 30 */ "Invalid" 555 /* 30 */ "Invalid"
585/*! [End] no source code translation !*/
586}; 556};
587 557
588char *acpi_ut_get_type_name(acpi_object_type type) 558char *acpi_ut_get_type_name(acpi_object_type type)
@@ -635,14 +605,14 @@ char *acpi_ut_get_node_name(void *object)
635 605
636 /* Descriptor must be a namespace node */ 606 /* Descriptor must be a namespace node */
637 607
638 if (node->descriptor != ACPI_DESC_TYPE_NAMED) { 608 if (ACPI_GET_DESCRIPTOR_TYPE(node) != ACPI_DESC_TYPE_NAMED) {
639 return ("####"); 609 return ("####");
640 } 610 }
641 611
642 /* Name must be a valid ACPI name */ 612 /* Name must be a valid ACPI name */
643 613
644 if (!acpi_ut_valid_acpi_name(node->name.integer)) { 614 if (!acpi_ut_valid_acpi_name(node->name.integer)) {
645 return ("????"); 615 node->name.integer = acpi_ut_repair_name(node->name.integer);
646 } 616 }
647 617
648 /* Return the name */ 618 /* Return the name */
@@ -665,7 +635,6 @@ char *acpi_ut_get_node_name(void *object)
665/* Printable names of object descriptor types */ 635/* Printable names of object descriptor types */
666 636
667static const char *acpi_gbl_desc_type_names[] = { 637static const char *acpi_gbl_desc_type_names[] = {
668/*! [Begin] no source code translation (keep these ASL Keywords as-is) */
669 /* 00 */ "Invalid", 638 /* 00 */ "Invalid",
670 /* 01 */ "Cached", 639 /* 01 */ "Cached",
671 /* 02 */ "State-Generic", 640 /* 02 */ "State-Generic",
@@ -682,7 +651,6 @@ static const char *acpi_gbl_desc_type_names[] = {
682 /* 13 */ "Parser", 651 /* 13 */ "Parser",
683 /* 14 */ "Operand", 652 /* 14 */ "Operand",
684 /* 15 */ "Node" 653 /* 15 */ "Node"
685/*! [End] no source code translation !*/
686}; 654};
687 655
688char *acpi_ut_get_descriptor_name(void *object) 656char *acpi_ut_get_descriptor_name(void *object)
@@ -723,7 +691,7 @@ char *acpi_ut_get_descriptor_name(void *object)
723char *acpi_ut_get_mutex_name(u32 mutex_id) 691char *acpi_ut_get_mutex_name(u32 mutex_id)
724{ 692{
725 693
726 if (mutex_id > MAX_MUTEX) { 694 if (mutex_id > ACPI_MAX_MUTEX) {
727 return ("Invalid Mutex ID"); 695 return ("Invalid Mutex ID");
728 } 696 }
729 697
@@ -747,6 +715,7 @@ u8 acpi_ut_valid_object_type(acpi_object_type type)
747{ 715{
748 716
749 if (type > ACPI_TYPE_LOCAL_MAX) { 717 if (type > ACPI_TYPE_LOCAL_MAX) {
718
750 /* Note: Assumes all TYPEs are contiguous (external/local) */ 719 /* Note: Assumes all TYPEs are contiguous (external/local) */
751 720
752 return (FALSE); 721 return (FALSE);
@@ -773,7 +742,7 @@ void acpi_ut_init_globals(void)
773 acpi_status status; 742 acpi_status status;
774 u32 i; 743 u32 i;
775 744
776 ACPI_FUNCTION_TRACE("ut_init_globals"); 745 ACPI_FUNCTION_TRACE(ut_init_globals);
777 746
778 /* Create all memory caches */ 747 /* Create all memory caches */
779 748
@@ -784,14 +753,14 @@ void acpi_ut_init_globals(void)
784 753
785 /* ACPI table structure */ 754 /* ACPI table structure */
786 755
787 for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { 756 for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
788 acpi_gbl_table_lists[i].next = NULL; 757 acpi_gbl_table_lists[i].next = NULL;
789 acpi_gbl_table_lists[i].count = 0; 758 acpi_gbl_table_lists[i].count = 0;
790 } 759 }
791 760
792 /* Mutex locked flags */ 761 /* Mutex locked flags */
793 762
794 for (i = 0; i < NUM_MUTEX; i++) { 763 for (i = 0; i < ACPI_NUM_MUTEX; i++) {
795 acpi_gbl_mutex_info[i].mutex = NULL; 764 acpi_gbl_mutex_info[i].mutex = NULL;
796 acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED; 765 acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
797 acpi_gbl_mutex_info[i].use_count = 0; 766 acpi_gbl_mutex_info[i].use_count = 0;
@@ -856,7 +825,7 @@ void acpi_ut_init_globals(void)
856 825
857 acpi_gbl_root_node = NULL; 826 acpi_gbl_root_node = NULL;
858 acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; 827 acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME;
859 acpi_gbl_root_node_struct.descriptor = ACPI_DESC_TYPE_NAMED; 828 acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED;
860 acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; 829 acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE;
861 acpi_gbl_root_node_struct.child = NULL; 830 acpi_gbl_root_node_struct.child = NULL;
862 acpi_gbl_root_node_struct.peer = NULL; 831 acpi_gbl_root_node_struct.peer = NULL;
@@ -869,3 +838,6 @@ void acpi_ut_init_globals(void)
869 838
870 return_VOID; 839 return_VOID;
871} 840}
841
842ACPI_EXPORT_SYMBOL(acpi_dbg_level)
843ACPI_EXPORT_SYMBOL(acpi_dbg_layer)
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index ba771b4f39bc..ff76055eb7d6 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -50,7 +50,7 @@ ACPI_MODULE_NAME("utinit")
50 50
51/* Local prototypes */ 51/* Local prototypes */
52static void 52static void
53acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset); 53acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset);
54 54
55static void acpi_ut_terminate(void); 55static void acpi_ut_terminate(void);
56 56
@@ -69,12 +69,12 @@ static void acpi_ut_terminate(void);
69 ******************************************************************************/ 69 ******************************************************************************/
70 70
71static void 71static void
72acpi_ut_fadt_register_error(char *register_name, u32 value, acpi_size offset) 72acpi_ut_fadt_register_error(char *register_name, u32 value, u8 offset)
73{ 73{
74 74
75 ACPI_WARNING((AE_INFO, 75 ACPI_WARNING((AE_INFO,
76 "Invalid FADT value %s=%X at offset %X FADT=%p", 76 "Invalid FADT value %s=%X at offset %X FADT=%p",
77 register_name, value, (u32) offset, acpi_gbl_FADT)); 77 register_name, value, offset, acpi_gbl_FADT));
78} 78}
79 79
80/****************************************************************************** 80/******************************************************************************
@@ -176,7 +176,7 @@ static void acpi_ut_terminate(void)
176 struct acpi_gpe_xrupt_info *gpe_xrupt_info; 176 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
177 struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; 177 struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;
178 178
179 ACPI_FUNCTION_TRACE("ut_terminate"); 179 ACPI_FUNCTION_TRACE(ut_terminate);
180 180
181 /* Free global tables, etc. */ 181 /* Free global tables, etc. */
182 /* Free global GPE blocks and related info structures */ 182 /* Free global GPE blocks and related info structures */
@@ -186,14 +186,14 @@ static void acpi_ut_terminate(void)
186 gpe_block = gpe_xrupt_info->gpe_block_list_head; 186 gpe_block = gpe_xrupt_info->gpe_block_list_head;
187 while (gpe_block) { 187 while (gpe_block) {
188 next_gpe_block = gpe_block->next; 188 next_gpe_block = gpe_block->next;
189 ACPI_MEM_FREE(gpe_block->event_info); 189 ACPI_FREE(gpe_block->event_info);
190 ACPI_MEM_FREE(gpe_block->register_info); 190 ACPI_FREE(gpe_block->register_info);
191 ACPI_MEM_FREE(gpe_block); 191 ACPI_FREE(gpe_block);
192 192
193 gpe_block = next_gpe_block; 193 gpe_block = next_gpe_block;
194 } 194 }
195 next_gpe_xrupt_info = gpe_xrupt_info->next; 195 next_gpe_xrupt_info = gpe_xrupt_info->next;
196 ACPI_MEM_FREE(gpe_xrupt_info); 196 ACPI_FREE(gpe_xrupt_info);
197 gpe_xrupt_info = next_gpe_xrupt_info; 197 gpe_xrupt_info = next_gpe_xrupt_info;
198 } 198 }
199 199
@@ -216,7 +216,7 @@ static void acpi_ut_terminate(void)
216void acpi_ut_subsystem_shutdown(void) 216void acpi_ut_subsystem_shutdown(void)
217{ 217{
218 218
219 ACPI_FUNCTION_TRACE("ut_subsystem_shutdown"); 219 ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);
220 220
221 /* Just exit if subsystem is already shutdown */ 221 /* Just exit if subsystem is already shutdown */
222 222
@@ -228,6 +228,7 @@ void acpi_ut_subsystem_shutdown(void)
228 /* Subsystem appears active, go ahead and shut it down */ 228 /* Subsystem appears active, go ahead and shut it down */
229 229
230 acpi_gbl_shutdown = TRUE; 230 acpi_gbl_shutdown = TRUE;
231 acpi_gbl_startup_flags = 0;
231 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n")); 232 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));
232 233
233 /* Close the acpi_event Handling */ 234 /* Close the acpi_event Handling */
@@ -245,12 +246,5 @@ void acpi_ut_subsystem_shutdown(void)
245 /* Purge the local caches */ 246 /* Purge the local caches */
246 247
247 (void)acpi_ut_delete_caches(); 248 (void)acpi_ut_delete_caches();
248
249 /* Debug only - display leftover memory allocation, if any */
250
251#ifdef ACPI_DBG_TRACK_ALLOCATIONS
252 acpi_ut_dump_allocations(ACPI_UINT32_MAX, NULL);
253#endif
254
255 return_VOID; 249 return_VOID;
256} 250}
diff --git a/drivers/acpi/utilities/utmath.c b/drivers/acpi/utilities/utmath.c
index 4a3360484e72..19d74bedce27 100644
--- a/drivers/acpi/utilities/utmath.c
+++ b/drivers/acpi/utilities/utmath.c
@@ -77,7 +77,7 @@ acpi_ut_short_divide(acpi_integer dividend,
77 union uint64_overlay quotient; 77 union uint64_overlay quotient;
78 u32 remainder32; 78 u32 remainder32;
79 79
80 ACPI_FUNCTION_TRACE("ut_short_divide"); 80 ACPI_FUNCTION_TRACE(ut_short_divide);
81 81
82 /* Always check for a zero divisor */ 82 /* Always check for a zero divisor */
83 83
@@ -139,7 +139,7 @@ acpi_ut_divide(acpi_integer in_dividend,
139 union uint64_overlay partial2; 139 union uint64_overlay partial2;
140 union uint64_overlay partial3; 140 union uint64_overlay partial3;
141 141
142 ACPI_FUNCTION_TRACE("ut_divide"); 142 ACPI_FUNCTION_TRACE(ut_divide);
143 143
144 /* Always check for a zero divisor */ 144 /* Always check for a zero divisor */
145 145
@@ -261,7 +261,7 @@ acpi_ut_short_divide(acpi_integer in_dividend,
261 acpi_integer * out_quotient, u32 * out_remainder) 261 acpi_integer * out_quotient, u32 * out_remainder)
262{ 262{
263 263
264 ACPI_FUNCTION_TRACE("ut_short_divide"); 264 ACPI_FUNCTION_TRACE(ut_short_divide);
265 265
266 /* Always check for a zero divisor */ 266 /* Always check for a zero divisor */
267 267
@@ -287,7 +287,7 @@ acpi_ut_divide(acpi_integer in_dividend,
287 acpi_integer in_divisor, 287 acpi_integer in_divisor,
288 acpi_integer * out_quotient, acpi_integer * out_remainder) 288 acpi_integer * out_quotient, acpi_integer * out_remainder)
289{ 289{
290 ACPI_FUNCTION_TRACE("ut_divide"); 290 ACPI_FUNCTION_TRACE(ut_divide);
291 291
292 /* Always check for a zero divisor */ 292 /* Always check for a zero divisor */
293 293
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 7364f5f8c9cd..5c75d35ad1cd 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,6 +49,33 @@ ACPI_MODULE_NAME("utmisc")
49 49
50/******************************************************************************* 50/*******************************************************************************
51 * 51 *
52 * FUNCTION: acpi_ut_is_aml_table
53 *
54 * PARAMETERS: Table - An ACPI table
55 *
56 * RETURN: TRUE if table contains executable AML; FALSE otherwise
57 *
58 * DESCRIPTION: Check ACPI Signature for a table that contains AML code.
59 * Currently, these are DSDT,SSDT,PSDT. All other table types are
60 * data tables that do not contain AML code.
61 *
62 ******************************************************************************/
63u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
64{
65
66 /* Ignore tables that contain AML */
67
68 if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) ||
69 ACPI_COMPARE_NAME(table->signature, PSDT_SIG) ||
70 ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) {
71 return (TRUE);
72 }
73
74 return (FALSE);
75}
76
77/*******************************************************************************
78 *
52 * FUNCTION: acpi_ut_allocate_owner_id 79 * FUNCTION: acpi_ut_allocate_owner_id
53 * 80 *
54 * PARAMETERS: owner_id - Where the new owner ID is returned 81 * PARAMETERS: owner_id - Where the new owner ID is returned
@@ -60,6 +87,7 @@ ACPI_MODULE_NAME("utmisc")
60 * when the method exits or the table is unloaded. 87 * when the method exits or the table is unloaded.
61 * 88 *
62 ******************************************************************************/ 89 ******************************************************************************/
90
63acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) 91acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
64{ 92{
65 acpi_native_uint i; 93 acpi_native_uint i;
@@ -67,7 +95,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
67 acpi_native_uint k; 95 acpi_native_uint k;
68 acpi_status status; 96 acpi_status status;
69 97
70 ACPI_FUNCTION_TRACE("ut_allocate_owner_id"); 98 ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
71 99
72 /* Guard against multiple allocations of ID to the same location */ 100 /* Guard against multiple allocations of ID to the same location */
73 101
@@ -97,6 +125,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
97 125
98 for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) { 126 for (k = acpi_gbl_next_owner_id_offset; k < 32; k++) {
99 if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) { 127 if (acpi_gbl_owner_id_mask[j] == ACPI_UINT32_MAX) {
128
100 /* There are no free IDs in this mask */ 129 /* There are no free IDs in this mask */
101 130
102 break; 131 break;
@@ -123,7 +152,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
123 (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j)); 152 (acpi_owner_id) ((k + 1) + ACPI_MUL_32(j));
124 153
125 ACPI_DEBUG_PRINT((ACPI_DB_VALUES, 154 ACPI_DEBUG_PRINT((ACPI_DB_VALUES,
126 "Allocated owner_id: %2.2X\n", 155 "Allocated OwnerId: %2.2X\n",
127 (unsigned int)*owner_id)); 156 (unsigned int)*owner_id));
128 goto exit; 157 goto exit;
129 } 158 }
@@ -144,7 +173,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
144 */ 173 */
145 status = AE_OWNER_ID_LIMIT; 174 status = AE_OWNER_ID_LIMIT;
146 ACPI_ERROR((AE_INFO, 175 ACPI_ERROR((AE_INFO,
147 "Could not allocate new owner_id (255 max), AE_OWNER_ID_LIMIT")); 176 "Could not allocate new OwnerId (255 max), AE_OWNER_ID_LIMIT"));
148 177
149 exit: 178 exit:
150 (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); 179 (void)acpi_ut_release_mutex(ACPI_MTX_CACHES);
@@ -172,7 +201,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
172 acpi_native_uint index; 201 acpi_native_uint index;
173 u32 bit; 202 u32 bit;
174 203
175 ACPI_FUNCTION_TRACE_U32("ut_release_owner_id", owner_id); 204 ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
176 205
177 /* Always clear the input owner_id (zero is an invalid ID) */ 206 /* Always clear the input owner_id (zero is an invalid ID) */
178 207
@@ -181,7 +210,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
181 /* Zero is not a valid owner_iD */ 210 /* Zero is not a valid owner_iD */
182 211
183 if (owner_id == 0) { 212 if (owner_id == 0) {
184 ACPI_ERROR((AE_INFO, "Invalid owner_id: %2.2X", owner_id)); 213 ACPI_ERROR((AE_INFO, "Invalid OwnerId: %2.2X", owner_id));
185 return_VOID; 214 return_VOID;
186 } 215 }
187 216
@@ -207,7 +236,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
207 acpi_gbl_owner_id_mask[index] ^= bit; 236 acpi_gbl_owner_id_mask[index] ^= bit;
208 } else { 237 } else {
209 ACPI_ERROR((AE_INFO, 238 ACPI_ERROR((AE_INFO,
210 "Release of non-allocated owner_id: %2.2X", 239 "Release of non-allocated OwnerId: %2.2X",
211 owner_id + 1)); 240 owner_id + 1));
212 } 241 }
213 242
@@ -273,6 +302,7 @@ void acpi_ut_print_string(char *string, u8 max_length)
273 302
274 acpi_os_printf("\""); 303 acpi_os_printf("\"");
275 for (i = 0; string[i] && (i < max_length); i++) { 304 for (i = 0; string[i] && (i < max_length); i++) {
305
276 /* Escape sequences */ 306 /* Escape sequences */
277 307
278 switch (string[i]) { 308 switch (string[i]) {
@@ -461,12 +491,47 @@ acpi_ut_display_init_pathname(u8 type,
461 } 491 }
462 acpi_os_printf("\n"); 492 acpi_os_printf("\n");
463 493
464 ACPI_MEM_FREE(buffer.pointer); 494 ACPI_FREE(buffer.pointer);
465} 495}
466#endif 496#endif
467 497
468/******************************************************************************* 498/*******************************************************************************
469 * 499 *
500 * FUNCTION: acpi_ut_valid_acpi_char
501 *
502 * PARAMETERS: Char - The character to be examined
503 *
504 * RETURN: TRUE if the character is valid, FALSE otherwise
505 *
506 * DESCRIPTION: Check for a valid ACPI character. Must be one of:
507 * 1) Upper case alpha
508 * 2) numeric
509 * 3) underscore
510 *
511 * We allow a '!' as the last character because of the ASF! table
512 *
513 ******************************************************************************/
514
515u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
516{
517
518 if (!((character >= 'A' && character <= 'Z') ||
519 (character >= '0' && character <= '9') || (character == '_'))) {
520
521 /* Allow a '!' in the last position */
522
523 if (character == '!' && position == 3) {
524 return (TRUE);
525 }
526
527 return (FALSE);
528 }
529
530 return (TRUE);
531}
532
533/*******************************************************************************
534 *
470 * FUNCTION: acpi_ut_valid_acpi_name 535 * FUNCTION: acpi_ut_valid_acpi_name
471 * 536 *
472 * PARAMETERS: Name - The name to be examined 537 * PARAMETERS: Name - The name to be examined
@@ -482,19 +547,13 @@ acpi_ut_display_init_pathname(u8 type,
482 547
483u8 acpi_ut_valid_acpi_name(u32 name) 548u8 acpi_ut_valid_acpi_name(u32 name)
484{ 549{
485 char *name_ptr = (char *)&name;
486 char character;
487 acpi_native_uint i; 550 acpi_native_uint i;
488 551
489 ACPI_FUNCTION_ENTRY(); 552 ACPI_FUNCTION_ENTRY();
490 553
491 for (i = 0; i < ACPI_NAME_SIZE; i++) { 554 for (i = 0; i < ACPI_NAME_SIZE; i++) {
492 character = *name_ptr; 555 if (!acpi_ut_valid_acpi_char
493 name_ptr++; 556 ((ACPI_CAST_PTR(char, &name))[i], i)) {
494
495 if (!((character == '_') ||
496 (character >= 'A' && character <= 'Z') ||
497 (character >= '0' && character <= '9'))) {
498 return (FALSE); 557 return (FALSE);
499 } 558 }
500 } 559 }
@@ -504,24 +563,37 @@ u8 acpi_ut_valid_acpi_name(u32 name)
504 563
505/******************************************************************************* 564/*******************************************************************************
506 * 565 *
507 * FUNCTION: acpi_ut_valid_acpi_character 566 * FUNCTION: acpi_ut_repair_name
508 * 567 *
509 * PARAMETERS: Character - The character to be examined 568 * PARAMETERS: Name - The ACPI name to be repaired
510 * 569 *
511 * RETURN: 1 if Character may appear in a name, else 0 570 * RETURN: Repaired version of the name
512 * 571 *
513 * DESCRIPTION: Check for a printable character 572 * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
573 * return the new name.
514 * 574 *
515 ******************************************************************************/ 575 ******************************************************************************/
516 576
517u8 acpi_ut_valid_acpi_character(char character) 577acpi_name acpi_ut_repair_name(acpi_name name)
518{ 578{
579 char *name_ptr = ACPI_CAST_PTR(char, &name);
580 char new_name[ACPI_NAME_SIZE];
581 acpi_native_uint i;
519 582
520 ACPI_FUNCTION_ENTRY(); 583 for (i = 0; i < ACPI_NAME_SIZE; i++) {
584 new_name[i] = name_ptr[i];
521 585
522 return ((u8) ((character == '_') || 586 /*
523 (character >= 'A' && character <= 'Z') || 587 * Replace a bad character with something printable, yet technically
524 (character >= '0' && character <= '9'))); 588 * still invalid. This prevents any collisions with existing "good"
589 * names in the namespace.
590 */
591 if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) {
592 new_name[i] = '*';
593 }
594 }
595
596 return (*ACPI_CAST_PTR(u32, new_name));
525} 597}
526 598
527/******************************************************************************* 599/*******************************************************************************
@@ -529,7 +601,8 @@ u8 acpi_ut_valid_acpi_character(char character)
529 * FUNCTION: acpi_ut_strtoul64 601 * FUNCTION: acpi_ut_strtoul64
530 * 602 *
531 * PARAMETERS: String - Null terminated string 603 * PARAMETERS: String - Null terminated string
532 * Base - Radix of the string: 10, 16, or ACPI_ANY_BASE 604 * Base - Radix of the string: 16 or ACPI_ANY_BASE;
605 * ACPI_ANY_BASE means 'in behalf of to_integer'
533 * ret_integer - Where the converted integer is returned 606 * ret_integer - Where the converted integer is returned
534 * 607 *
535 * RETURN: Status and Converted value 608 * RETURN: Status and Converted value
@@ -545,16 +618,17 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
545 u32 this_digit = 0; 618 u32 this_digit = 0;
546 acpi_integer return_value = 0; 619 acpi_integer return_value = 0;
547 acpi_integer quotient; 620 acpi_integer quotient;
621 acpi_integer dividend;
622 u32 to_integer_op = (base == ACPI_ANY_BASE);
623 u32 mode32 = (acpi_gbl_integer_byte_width == 4);
624 u8 valid_digits = 0;
625 u8 sign_of0x = 0;
626 u8 term = 0;
548 627
549 ACPI_FUNCTION_TRACE("ut_stroul64"); 628 ACPI_FUNCTION_TRACE(ut_stroul64);
550
551 if ((!string) || !(*string)) {
552 goto error_exit;
553 }
554 629
555 switch (base) { 630 switch (base) {
556 case ACPI_ANY_BASE: 631 case ACPI_ANY_BASE:
557 case 10:
558 case 16: 632 case 16:
559 break; 633 break;
560 634
@@ -563,76 +637,110 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
563 return_ACPI_STATUS(AE_BAD_PARAMETER); 637 return_ACPI_STATUS(AE_BAD_PARAMETER);
564 } 638 }
565 639
640 if (!string) {
641 goto error_exit;
642 }
643
566 /* Skip over any white space in the buffer */ 644 /* Skip over any white space in the buffer */
567 645
568 while (ACPI_IS_SPACE(*string) || *string == '\t') { 646 while ((*string) && (ACPI_IS_SPACE(*string) || *string == '\t')) {
569 string++; 647 string++;
570 } 648 }
571 649
572 /* 650 if (to_integer_op) {
573 * If the input parameter Base is zero, then we need to 651 /*
574 * determine if it is decimal or hexadecimal: 652 * Base equal to ACPI_ANY_BASE means 'to_integer operation case'.
575 */ 653 * We need to determine if it is decimal or hexadecimal.
576 if (base == 0) { 654 */
577 if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) { 655 if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) {
656 sign_of0x = 1;
578 base = 16; 657 base = 16;
658
659 /* Skip over the leading '0x' */
579 string += 2; 660 string += 2;
580 } else { 661 } else {
581 base = 10; 662 base = 10;
582 } 663 }
583 } 664 }
584 665
585 /* 666 /* Any string left? Check that '0x' is not followed by white space. */
586 * For hexadecimal base, skip over the leading 667
587 * 0 or 0x, if they are present. 668 if (!(*string) || ACPI_IS_SPACE(*string) || *string == '\t') {
588 */ 669 if (to_integer_op) {
589 if ((base == 16) && 670 goto error_exit;
590 (*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) { 671 } else {
591 string += 2; 672 goto all_done;
673 }
592 } 674 }
593 675
594 /* Any string left? */ 676 dividend = (mode32) ? ACPI_UINT32_MAX : ACPI_UINT64_MAX;
595 677
596 if (!(*string)) { 678 /* At least one character in the string here */
597 goto error_exit;
598 }
599 679
600 /* Main loop: convert the string to a 64-bit integer */ 680 /* Main loop: convert the string to a 64-bit integer */
601 681
602 while (*string) { 682 while (*string) {
603 if (ACPI_IS_DIGIT(*string)) { 683 if (ACPI_IS_DIGIT(*string)) {
684
604 /* Convert ASCII 0-9 to Decimal value */ 685 /* Convert ASCII 0-9 to Decimal value */
605 686
606 this_digit = ((u8) * string) - '0'; 687 this_digit = ((u8) * string) - '0';
607 } else { 688 } else if (base == 10) {
608 if (base == 10) {
609 /* Digit is out of range */
610 689
611 goto error_exit; 690 /* Digit is out of range; possible in to_integer case only */
612 }
613 691
692 term = 1;
693 } else {
614 this_digit = (u8) ACPI_TOUPPER(*string); 694 this_digit = (u8) ACPI_TOUPPER(*string);
615 if (ACPI_IS_XDIGIT((char)this_digit)) { 695 if (ACPI_IS_XDIGIT((char)this_digit)) {
696
616 /* Convert ASCII Hex char to value */ 697 /* Convert ASCII Hex char to value */
617 698
618 this_digit = this_digit - 'A' + 10; 699 this_digit = this_digit - 'A' + 10;
619 } else { 700 } else {
620 /* 701 term = 1;
621 * We allow non-hex chars, just stop now, same as end-of-string. 702 }
622 * See ACPI spec, string-to-integer conversion. 703 }
623 */ 704
705 if (term) {
706 if (to_integer_op) {
707 goto error_exit;
708 } else {
624 break; 709 break;
625 } 710 }
711 } else if ((valid_digits == 0) && (this_digit == 0)
712 && !sign_of0x) {
713
714 /* Skip zeros */
715 string++;
716 continue;
717 }
718
719 valid_digits++;
720
721 if (sign_of0x
722 && ((valid_digits > 16)
723 || ((valid_digits > 8) && mode32))) {
724 /*
725 * This is to_integer operation case.
726 * No any restrictions for string-to-integer conversion,
727 * see ACPI spec.
728 */
729 goto error_exit;
626 } 730 }
627 731
628 /* Divide the digit into the correct position */ 732 /* Divide the digit into the correct position */
629 733
630 (void) 734 (void)
631 acpi_ut_short_divide((ACPI_INTEGER_MAX - 735 acpi_ut_short_divide((dividend - (acpi_integer) this_digit),
632 (acpi_integer) this_digit), base, 736 base, &quotient, NULL);
633 &quotient, NULL); 737
634 if (return_value > quotient) { 738 if (return_value > quotient) {
635 goto error_exit; 739 if (to_integer_op) {
740 goto error_exit;
741 } else {
742 break;
743 }
636 } 744 }
637 745
638 return_value *= base; 746 return_value *= base;
@@ -642,6 +750,8 @@ acpi_ut_strtoul64(char *string, u32 base, acpi_integer * ret_integer)
642 750
643 /* All done, normal exit */ 751 /* All done, normal exit */
644 752
753 all_done:
754
645 *ret_integer = return_value; 755 *ret_integer = return_value;
646 return_ACPI_STATUS(AE_OK); 756 return_ACPI_STATUS(AE_OK);
647 757
@@ -719,7 +829,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
719 u32 this_index; 829 u32 this_index;
720 union acpi_operand_object *this_source_obj; 830 union acpi_operand_object *this_source_obj;
721 831
722 ACPI_FUNCTION_TRACE("ut_walk_package_tree"); 832 ACPI_FUNCTION_TRACE(ut_walk_package_tree);
723 833
724 state = acpi_ut_create_pkg_state(source_object, target_object, 0); 834 state = acpi_ut_create_pkg_state(source_object, target_object, 0);
725 if (!state) { 835 if (!state) {
@@ -727,6 +837,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
727 } 837 }
728 838
729 while (state) { 839 while (state) {
840
730 /* Get one element of the package */ 841 /* Get one element of the package */
731 842
732 this_index = state->pkg.index; 843 this_index = state->pkg.index;
@@ -814,31 +925,6 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
814 925
815/******************************************************************************* 926/*******************************************************************************
816 * 927 *
817 * FUNCTION: acpi_ut_generate_checksum
818 *
819 * PARAMETERS: Buffer - Buffer to be scanned
820 * Length - number of bytes to examine
821 *
822 * RETURN: The generated checksum
823 *
824 * DESCRIPTION: Generate a checksum on a raw buffer
825 *
826 ******************************************************************************/
827
828u8 acpi_ut_generate_checksum(u8 * buffer, u32 length)
829{
830 u32 i;
831 signed char sum = 0;
832
833 for (i = 0; i < length; i++) {
834 sum = (signed char)(sum + buffer[i]);
835 }
836
837 return ((u8) (0 - sum));
838}
839
840/*******************************************************************************
841 *
842 * FUNCTION: acpi_ut_error, acpi_ut_warning, acpi_ut_info 928 * FUNCTION: acpi_ut_error, acpi_ut_warning, acpi_ut_info
843 * 929 *
844 * PARAMETERS: module_name - Caller's module name (for error output) 930 * PARAMETERS: module_name - Caller's module name (for error output)
@@ -900,36 +986,3 @@ acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
900 acpi_os_vprintf(format, args); 986 acpi_os_vprintf(format, args);
901 acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); 987 acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
902} 988}
903
904/*******************************************************************************
905 *
906 * FUNCTION: acpi_ut_report_error, Warning, Info
907 *
908 * PARAMETERS: module_name - Caller's module name (for error output)
909 * line_number - Caller's line number (for error output)
910 *
911 * RETURN: None
912 *
913 * DESCRIPTION: Print error message
914 *
915 * Note: Legacy only, should be removed when no longer used by drivers.
916 *
917 ******************************************************************************/
918
919void acpi_ut_report_error(char *module_name, u32 line_number)
920{
921
922 acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
923}
924
925void acpi_ut_report_warning(char *module_name, u32 line_number)
926{
927
928 acpi_os_printf("ACPI Warning (%s-%04d): ", module_name, line_number);
929}
930
931void acpi_ut_report_info(char *module_name, u32 line_number)
932{
933
934 acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number);
935}
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index 45a7244df924..25eb34369afa 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -68,19 +68,26 @@ acpi_status acpi_ut_mutex_initialize(void)
68 u32 i; 68 u32 i;
69 acpi_status status; 69 acpi_status status;
70 70
71 ACPI_FUNCTION_TRACE("ut_mutex_initialize"); 71 ACPI_FUNCTION_TRACE(ut_mutex_initialize);
72 72
73 /* 73 /*
74 * Create each of the predefined mutex objects 74 * Create each of the predefined mutex objects
75 */ 75 */
76 for (i = 0; i < NUM_MUTEX; i++) { 76 for (i = 0; i < ACPI_NUM_MUTEX; i++) {
77 status = acpi_ut_create_mutex(i); 77 status = acpi_ut_create_mutex(i);
78 if (ACPI_FAILURE(status)) { 78 if (ACPI_FAILURE(status)) {
79 return_ACPI_STATUS(status); 79 return_ACPI_STATUS(status);
80 } 80 }
81 } 81 }
82 82
83 /* Create the spinlocks for use at interrupt level */
84
83 status = acpi_os_create_lock(&acpi_gbl_gpe_lock); 85 status = acpi_os_create_lock(&acpi_gbl_gpe_lock);
86 if (ACPI_FAILURE(status)) {
87 return_ACPI_STATUS(status);
88 }
89
90 status = acpi_os_create_lock(&acpi_gbl_hardware_lock);
84 return_ACPI_STATUS(status); 91 return_ACPI_STATUS(status);
85} 92}
86 93
@@ -100,16 +107,19 @@ void acpi_ut_mutex_terminate(void)
100{ 107{
101 u32 i; 108 u32 i;
102 109
103 ACPI_FUNCTION_TRACE("ut_mutex_terminate"); 110 ACPI_FUNCTION_TRACE(ut_mutex_terminate);
104 111
105 /* 112 /*
106 * Delete each predefined mutex object 113 * Delete each predefined mutex object
107 */ 114 */
108 for (i = 0; i < NUM_MUTEX; i++) { 115 for (i = 0; i < ACPI_NUM_MUTEX; i++) {
109 (void)acpi_ut_delete_mutex(i); 116 (void)acpi_ut_delete_mutex(i);
110 } 117 }
111 118
119 /* Delete the spinlocks */
120
112 acpi_os_delete_lock(acpi_gbl_gpe_lock); 121 acpi_os_delete_lock(acpi_gbl_gpe_lock);
122 acpi_os_delete_lock(acpi_gbl_hardware_lock);
113 return_VOID; 123 return_VOID;
114} 124}
115 125
@@ -129,9 +139,9 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
129{ 139{
130 acpi_status status = AE_OK; 140 acpi_status status = AE_OK;
131 141
132 ACPI_FUNCTION_TRACE_U32("ut_create_mutex", mutex_id); 142 ACPI_FUNCTION_TRACE_U32(ut_create_mutex, mutex_id);
133 143
134 if (mutex_id > MAX_MUTEX) { 144 if (mutex_id > ACPI_MAX_MUTEX) {
135 return_ACPI_STATUS(AE_BAD_PARAMETER); 145 return_ACPI_STATUS(AE_BAD_PARAMETER);
136 } 146 }
137 147
@@ -163,9 +173,9 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
163{ 173{
164 acpi_status status; 174 acpi_status status;
165 175
166 ACPI_FUNCTION_TRACE_U32("ut_delete_mutex", mutex_id); 176 ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id);
167 177
168 if (mutex_id > MAX_MUTEX) { 178 if (mutex_id > ACPI_MAX_MUTEX) {
169 return_ACPI_STATUS(AE_BAD_PARAMETER); 179 return_ACPI_STATUS(AE_BAD_PARAMETER);
170 } 180 }
171 181
@@ -192,11 +202,11 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
192acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) 202acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
193{ 203{
194 acpi_status status; 204 acpi_status status;
195 u32 this_thread_id; 205 acpi_thread_id this_thread_id;
196 206
197 ACPI_FUNCTION_NAME("ut_acquire_mutex"); 207 ACPI_FUNCTION_NAME(ut_acquire_mutex);
198 208
199 if (mutex_id > MAX_MUTEX) { 209 if (mutex_id > ACPI_MAX_MUTEX) {
200 return (AE_BAD_PARAMETER); 210 return (AE_BAD_PARAMETER);
201 } 211 }
202 212
@@ -213,7 +223,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
213 * the mutex ordering rule. This indicates a coding error somewhere in 223 * the mutex ordering rule. This indicates a coding error somewhere in
214 * the ACPI subsystem code. 224 * the ACPI subsystem code.
215 */ 225 */
216 for (i = mutex_id; i < MAX_MUTEX; i++) { 226 for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
217 if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) { 227 if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
218 if (i == mutex_id) { 228 if (i == mutex_id) {
219 ACPI_ERROR((AE_INFO, 229 ACPI_ERROR((AE_INFO,
@@ -275,16 +285,16 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
275acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) 285acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
276{ 286{
277 acpi_status status; 287 acpi_status status;
278 u32 this_thread_id; 288 acpi_thread_id this_thread_id;
279 289
280 ACPI_FUNCTION_NAME("ut_release_mutex"); 290 ACPI_FUNCTION_NAME(ut_release_mutex);
281 291
282 this_thread_id = acpi_os_get_thread_id(); 292 this_thread_id = acpi_os_get_thread_id();
283 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, 293 ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
284 "Thread %X releasing Mutex [%s]\n", this_thread_id, 294 "Thread %X releasing Mutex [%s]\n", this_thread_id,
285 acpi_ut_get_mutex_name(mutex_id))); 295 acpi_ut_get_mutex_name(mutex_id)));
286 296
287 if (mutex_id > MAX_MUTEX) { 297 if (mutex_id > ACPI_MAX_MUTEX) {
288 return (AE_BAD_PARAMETER); 298 return (AE_BAD_PARAMETER);
289 } 299 }
290 300
@@ -309,7 +319,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
309 * ordering rule. This indicates a coding error somewhere in 319 * ordering rule. This indicates a coding error somewhere in
310 * the ACPI subsystem code. 320 * the ACPI subsystem code.
311 */ 321 */
312 for (i = mutex_id; i < MAX_MUTEX; i++) { 322 for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
313 if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) { 323 if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
314 if (i == mutex_id) { 324 if (i == mutex_id) {
315 continue; 325 continue;
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 7ee2d1d98071..ba7d8ac702df 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -92,7 +92,7 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
92 union acpi_operand_object *object; 92 union acpi_operand_object *object;
93 union acpi_operand_object *second_object; 93 union acpi_operand_object *second_object;
94 94
95 ACPI_FUNCTION_TRACE_STR("ut_create_internal_object_dbg", 95 ACPI_FUNCTION_TRACE_STR(ut_create_internal_object_dbg,
96 acpi_ut_get_type_name(type)); 96 acpi_ut_get_type_name(type));
97 97
98 /* Allocate the raw object descriptor */ 98 /* Allocate the raw object descriptor */
@@ -161,7 +161,7 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size)
161 union acpi_operand_object *buffer_desc; 161 union acpi_operand_object *buffer_desc;
162 u8 *buffer = NULL; 162 u8 *buffer = NULL;
163 163
164 ACPI_FUNCTION_TRACE_U32("ut_create_buffer_object", buffer_size); 164 ACPI_FUNCTION_TRACE_U32(ut_create_buffer_object, buffer_size);
165 165
166 /* Create a new Buffer object */ 166 /* Create a new Buffer object */
167 167
@@ -173,9 +173,10 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size)
173 /* Create an actual buffer only if size > 0 */ 173 /* Create an actual buffer only if size > 0 */
174 174
175 if (buffer_size > 0) { 175 if (buffer_size > 0) {
176
176 /* Allocate the actual buffer */ 177 /* Allocate the actual buffer */
177 178
178 buffer = ACPI_MEM_CALLOCATE(buffer_size); 179 buffer = ACPI_ALLOCATE_ZEROED(buffer_size);
179 if (!buffer) { 180 if (!buffer) {
180 ACPI_ERROR((AE_INFO, "Could not allocate size %X", 181 ACPI_ERROR((AE_INFO, "Could not allocate size %X",
181 (u32) buffer_size)); 182 (u32) buffer_size));
@@ -214,7 +215,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
214 union acpi_operand_object *string_desc; 215 union acpi_operand_object *string_desc;
215 char *string; 216 char *string;
216 217
217 ACPI_FUNCTION_TRACE_U32("ut_create_string_object", string_size); 218 ACPI_FUNCTION_TRACE_U32(ut_create_string_object, string_size);
218 219
219 /* Create a new String object */ 220 /* Create a new String object */
220 221
@@ -227,7 +228,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
227 * Allocate the actual string buffer -- (Size + 1) for NULL terminator. 228 * Allocate the actual string buffer -- (Size + 1) for NULL terminator.
228 * NOTE: Zero-length strings are NULL terminated 229 * NOTE: Zero-length strings are NULL terminated
229 */ 230 */
230 string = ACPI_MEM_CALLOCATE(string_size + 1); 231 string = ACPI_ALLOCATE_ZEROED(string_size + 1);
231 if (!string) { 232 if (!string) {
232 ACPI_ERROR((AE_INFO, "Could not allocate size %X", 233 ACPI_ERROR((AE_INFO, "Could not allocate size %X",
233 (u32) string_size)); 234 (u32) string_size));
@@ -260,7 +261,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
260u8 acpi_ut_valid_internal_object(void *object) 261u8 acpi_ut_valid_internal_object(void *object)
261{ 262{
262 263
263 ACPI_FUNCTION_NAME("ut_valid_internal_object"); 264 ACPI_FUNCTION_NAME(ut_valid_internal_object);
264 265
265 /* Check for a null pointer */ 266 /* Check for a null pointer */
266 267
@@ -308,7 +309,7 @@ void *acpi_ut_allocate_object_desc_dbg(char *module_name,
308{ 309{
309 union acpi_operand_object *object; 310 union acpi_operand_object *object;
310 311
311 ACPI_FUNCTION_TRACE("ut_allocate_object_desc_dbg"); 312 ACPI_FUNCTION_TRACE(ut_allocate_object_desc_dbg);
312 313
313 object = acpi_os_acquire_object(acpi_gbl_operand_cache); 314 object = acpi_os_acquire_object(acpi_gbl_operand_cache);
314 if (!object) { 315 if (!object) {
@@ -319,6 +320,7 @@ void *acpi_ut_allocate_object_desc_dbg(char *module_name,
319 } 320 }
320 321
321 /* Mark the descriptor type */ 322 /* Mark the descriptor type */
323
322 memset(object, 0, sizeof(union acpi_operand_object)); 324 memset(object, 0, sizeof(union acpi_operand_object));
323 ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_OPERAND); 325 ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_OPERAND);
324 326
@@ -342,7 +344,7 @@ void *acpi_ut_allocate_object_desc_dbg(char *module_name,
342 344
343void acpi_ut_delete_object_desc(union acpi_operand_object *object) 345void acpi_ut_delete_object_desc(union acpi_operand_object *object)
344{ 346{
345 ACPI_FUNCTION_TRACE_PTR("ut_delete_object_desc", object); 347 ACPI_FUNCTION_TRACE_PTR(ut_delete_object_desc, object);
346 348
347 /* Object must be an union acpi_operand_object */ 349 /* Object must be an union acpi_operand_object */
348 350
@@ -381,7 +383,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
381 acpi_size length; 383 acpi_size length;
382 acpi_status status = AE_OK; 384 acpi_status status = AE_OK;
383 385
384 ACPI_FUNCTION_TRACE_PTR("ut_get_simple_object_size", internal_object); 386 ACPI_FUNCTION_TRACE_PTR(ut_get_simple_object_size, internal_object);
385 387
386 /* 388 /*
387 * Handle a null object (Could be a uninitialized package 389 * Handle a null object (Could be a uninitialized package
@@ -397,6 +399,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
397 length = sizeof(union acpi_object); 399 length = sizeof(union acpi_object);
398 400
399 if (ACPI_GET_DESCRIPTOR_TYPE(internal_object) == ACPI_DESC_TYPE_NAMED) { 401 if (ACPI_GET_DESCRIPTOR_TYPE(internal_object) == ACPI_DESC_TYPE_NAMED) {
402
400 /* Object is a named object (reference), just return the length */ 403 /* Object is a named object (reference), just return the length */
401 404
402 *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length); 405 *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length);
@@ -559,7 +562,7 @@ acpi_ut_get_package_object_size(union acpi_operand_object *internal_object,
559 acpi_status status; 562 acpi_status status;
560 struct acpi_pkg_info info; 563 struct acpi_pkg_info info;
561 564
562 ACPI_FUNCTION_TRACE_PTR("ut_get_package_object_size", internal_object); 565 ACPI_FUNCTION_TRACE_PTR(ut_get_package_object_size, internal_object);
563 566
564 info.length = 0; 567 info.length = 0;
565 info.object_space = 0; 568 info.object_space = 0;
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 16461317113f..5a2de92831d3 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -45,113 +45,113 @@
45#include <acpi/amlresrc.h> 45#include <acpi/amlresrc.h>
46 46
47#define _COMPONENT ACPI_UTILITIES 47#define _COMPONENT ACPI_UTILITIES
48ACPI_MODULE_NAME("utmisc") 48ACPI_MODULE_NAME("utresrc")
49 49
50#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER) 50#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUGGER)
51/* 51/*
52 * Strings used to decode resource descriptors. 52 * Strings used to decode resource descriptors.
53 * Used by both the disasssembler and the debugger resource dump routines 53 * Used by both the disasssembler and the debugger resource dump routines
54 */ 54 */
55const char *acpi_gbl_BMdecode[2] = { 55const char *acpi_gbl_bm_decode[] = {
56 "not_bus_master", 56 "NotBusMaster",
57 "bus_master" 57 "BusMaster"
58}; 58};
59 59
60const char *acpi_gbl_config_decode[4] = { 60const char *acpi_gbl_config_decode[] = {
61 "0 - Good Configuration", 61 "0 - Good Configuration",
62 "1 - Acceptable Configuration", 62 "1 - Acceptable Configuration",
63 "2 - Suboptimal Configuration", 63 "2 - Suboptimal Configuration",
64 "3 - ***Invalid Configuration***", 64 "3 - ***Invalid Configuration***",
65}; 65};
66 66
67const char *acpi_gbl_consume_decode[2] = { 67const char *acpi_gbl_consume_decode[] = {
68 "resource_producer", 68 "ResourceProducer",
69 "resource_consumer" 69 "ResourceConsumer"
70}; 70};
71 71
72const char *acpi_gbl_DECdecode[2] = { 72const char *acpi_gbl_dec_decode[] = {
73 "pos_decode", 73 "PosDecode",
74 "sub_decode" 74 "SubDecode"
75}; 75};
76 76
77const char *acpi_gbl_HEdecode[2] = { 77const char *acpi_gbl_he_decode[] = {
78 "Level", 78 "Level",
79 "Edge" 79 "Edge"
80}; 80};
81 81
82const char *acpi_gbl_io_decode[2] = { 82const char *acpi_gbl_io_decode[] = {
83 "Decode10", 83 "Decode10",
84 "Decode16" 84 "Decode16"
85}; 85};
86 86
87const char *acpi_gbl_LLdecode[2] = { 87const char *acpi_gbl_ll_decode[] = {
88 "active_high", 88 "ActiveHigh",
89 "active_low" 89 "ActiveLow"
90}; 90};
91 91
92const char *acpi_gbl_max_decode[2] = { 92const char *acpi_gbl_max_decode[] = {
93 "max_not_fixed", 93 "MaxNotFixed",
94 "max_fixed" 94 "MaxFixed"
95}; 95};
96 96
97const char *acpi_gbl_MEMdecode[4] = { 97const char *acpi_gbl_mem_decode[] = {
98 "non_cacheable", 98 "NonCacheable",
99 "Cacheable", 99 "Cacheable",
100 "write_combining", 100 "WriteCombining",
101 "Prefetchable" 101 "Prefetchable"
102}; 102};
103 103
104const char *acpi_gbl_min_decode[2] = { 104const char *acpi_gbl_min_decode[] = {
105 "min_not_fixed", 105 "MinNotFixed",
106 "min_fixed" 106 "MinFixed"
107}; 107};
108 108
109const char *acpi_gbl_MTPdecode[4] = { 109const char *acpi_gbl_mtp_decode[] = {
110 "address_range_memory", 110 "AddressRangeMemory",
111 "address_range_reserved", 111 "AddressRangeReserved",
112 "address_range_aCPI", 112 "AddressRangeACPI",
113 "address_range_nVS" 113 "AddressRangeNVS"
114}; 114};
115 115
116const char *acpi_gbl_RNGdecode[4] = { 116const char *acpi_gbl_rng_decode[] = {
117 "invalid_ranges", 117 "InvalidRanges",
118 "non_iSAonly_ranges", 118 "NonISAOnlyRanges",
119 "ISAonly_ranges", 119 "ISAOnlyRanges",
120 "entire_range" 120 "EntireRange"
121}; 121};
122 122
123const char *acpi_gbl_RWdecode[2] = { 123const char *acpi_gbl_rw_decode[] = {
124 "read_only", 124 "ReadOnly",
125 "read_write" 125 "ReadWrite"
126}; 126};
127 127
128const char *acpi_gbl_SHRdecode[2] = { 128const char *acpi_gbl_shr_decode[] = {
129 "Exclusive", 129 "Exclusive",
130 "Shared" 130 "Shared"
131}; 131};
132 132
133const char *acpi_gbl_SIZdecode[4] = { 133const char *acpi_gbl_siz_decode[] = {
134 "Transfer8", 134 "Transfer8",
135 "Transfer8_16", 135 "Transfer8_16",
136 "Transfer16", 136 "Transfer16",
137 "invalid_size" 137 "InvalidSize"
138}; 138};
139 139
140const char *acpi_gbl_TRSdecode[2] = { 140const char *acpi_gbl_trs_decode[] = {
141 "dense_translation", 141 "DenseTranslation",
142 "sparse_translation" 142 "SparseTranslation"
143}; 143};
144 144
145const char *acpi_gbl_TTPdecode[2] = { 145const char *acpi_gbl_ttp_decode[] = {
146 "type_static", 146 "TypeStatic",
147 "type_translation" 147 "TypeTranslation"
148}; 148};
149 149
150const char *acpi_gbl_TYPdecode[4] = { 150const char *acpi_gbl_typ_decode[] = {
151 "Compatibility", 151 "Compatibility",
152 "type_a", 152 "TypeA",
153 "type_b", 153 "TypeB",
154 "type_f" 154 "TypeF"
155}; 155};
156 156
157#endif 157#endif
@@ -240,6 +240,104 @@ static const u8 acpi_gbl_resource_types[] = {
240 240
241/******************************************************************************* 241/*******************************************************************************
242 * 242 *
243 * FUNCTION: acpi_ut_walk_aml_resources
244 *
245 * PARAMETERS: Aml - Pointer to the raw AML resource template
246 * aml_length - Length of the entire template
247 * user_function - Called once for each descriptor found. If
248 * NULL, a pointer to the end_tag is returned
249 * Context - Passed to user_function
250 *
251 * RETURN: Status
252 *
253 * DESCRIPTION: Walk a raw AML resource list(buffer). User function called
254 * once for each resource found.
255 *
256 ******************************************************************************/
257
258acpi_status
259acpi_ut_walk_aml_resources(u8 * aml,
260 acpi_size aml_length,
261 acpi_walk_aml_callback user_function, void **context)
262{
263 acpi_status status;
264 u8 *end_aml;
265 u8 resource_index;
266 u32 length;
267 u32 offset = 0;
268
269 ACPI_FUNCTION_TRACE(ut_walk_aml_resources);
270
271 /* The absolute minimum resource template is one end_tag descriptor */
272
273 if (aml_length < sizeof(struct aml_resource_end_tag)) {
274 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
275 }
276
277 /* Point to the end of the resource template buffer */
278
279 end_aml = aml + aml_length;
280
281 /* Walk the byte list, abort on any invalid descriptor type or length */
282
283 while (aml < end_aml) {
284
285 /* Validate the Resource Type and Resource Length */
286
287 status = acpi_ut_validate_resource(aml, &resource_index);
288 if (ACPI_FAILURE(status)) {
289 return_ACPI_STATUS(status);
290 }
291
292 /* Get the length of this descriptor */
293
294 length = acpi_ut_get_descriptor_length(aml);
295
296 /* Invoke the user function */
297
298 if (user_function) {
299 status =
300 user_function(aml, length, offset, resource_index,
301 context);
302 if (ACPI_FAILURE(status)) {
303 return (status);
304 }
305 }
306
307 /* An end_tag descriptor terminates this resource template */
308
309 if (acpi_ut_get_resource_type(aml) ==
310 ACPI_RESOURCE_NAME_END_TAG) {
311 /*
312 * There must be at least one more byte in the buffer for
313 * the 2nd byte of the end_tag
314 */
315 if ((aml + 1) >= end_aml) {
316 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
317 }
318
319 /* Return the pointer to the end_tag if requested */
320
321 if (!user_function) {
322 *context = aml;
323 }
324
325 /* Normal exit */
326
327 return_ACPI_STATUS(AE_OK);
328 }
329
330 aml += length;
331 offset += length;
332 }
333
334 /* Did not find an end_tag descriptor */
335
336 return (AE_AML_NO_RESOURCE_END_TAG);
337}
338
339/*******************************************************************************
340 *
243 * FUNCTION: acpi_ut_validate_resource 341 * FUNCTION: acpi_ut_validate_resource
244 * 342 *
245 * PARAMETERS: Aml - Pointer to the raw AML resource descriptor 343 * PARAMETERS: Aml - Pointer to the raw AML resource descriptor
@@ -273,6 +371,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index)
273 * Examine the large/small bit in the resource header 371 * Examine the large/small bit in the resource header
274 */ 372 */
275 if (resource_type & ACPI_RESOURCE_NAME_LARGE) { 373 if (resource_type & ACPI_RESOURCE_NAME_LARGE) {
374
276 /* Verify the large resource type (name) against the max */ 375 /* Verify the large resource type (name) against the max */
277 376
278 if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) { 377 if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) {
@@ -376,6 +475,7 @@ u8 acpi_ut_get_resource_type(void *aml)
376 * Examine the large/small bit in the resource header 475 * Examine the large/small bit in the resource header
377 */ 476 */
378 if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) { 477 if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
478
379 /* Large Resource Type -- bits 6:0 contain the name */ 479 /* Large Resource Type -- bits 6:0 contain the name */
380 480
381 return (ACPI_GET8(aml)); 481 return (ACPI_GET8(aml));
@@ -411,6 +511,7 @@ u16 acpi_ut_get_resource_length(void *aml)
411 * Examine the large/small bit in the resource header 511 * Examine the large/small bit in the resource header
412 */ 512 */
413 if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) { 513 if (ACPI_GET8(aml) & ACPI_RESOURCE_NAME_LARGE) {
514
414 /* Large Resource type -- bytes 1-2 contain the 16-bit length */ 515 /* Large Resource type -- bytes 1-2 contain the 16-bit length */
415 516
416 ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1)); 517 ACPI_MOVE_16_TO_16(&resource_length, ACPI_ADD_PTR(u8, aml, 1));
@@ -495,60 +596,21 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
495 u8 ** end_tag) 596 u8 ** end_tag)
496{ 597{
497 acpi_status status; 598 acpi_status status;
498 u8 *aml;
499 u8 *end_aml;
500
501 ACPI_FUNCTION_TRACE("ut_get_resource_end_tag");
502 599
503 /* Get start and end pointers */ 600 ACPI_FUNCTION_TRACE(ut_get_resource_end_tag);
504
505 aml = obj_desc->buffer.pointer;
506 end_aml = aml + obj_desc->buffer.length;
507 601
508 /* Allow a buffer length of zero */ 602 /* Allow a buffer length of zero */
509 603
510 if (!obj_desc->buffer.length) { 604 if (!obj_desc->buffer.length) {
511 *end_tag = aml; 605 *end_tag = obj_desc->buffer.pointer;
512 return_ACPI_STATUS(AE_OK); 606 return_ACPI_STATUS(AE_OK);
513 } 607 }
514 608
515 /* Walk the resource template, one descriptor per iteration */ 609 /* Validate the template and get a pointer to the end_tag */
516
517 while (aml < end_aml) {
518 /* Validate the Resource Type and Resource Length */
519
520 status = acpi_ut_validate_resource(aml, NULL);
521 if (ACPI_FAILURE(status)) {
522 return_ACPI_STATUS(status);
523 }
524
525 /* end_tag resource indicates the end of the resource template */
526
527 if (acpi_ut_get_resource_type(aml) ==
528 ACPI_RESOURCE_NAME_END_TAG) {
529 /*
530 * There must be at least one more byte in the buffer for
531 * the 2nd byte of the end_tag
532 */
533 if ((aml + 1) >= end_aml) {
534 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG);
535 }
536
537 /* Return the pointer to the end_tag */
538
539 *end_tag = aml;
540 return_ACPI_STATUS(AE_OK);
541 }
542
543 /*
544 * Point to the next resource descriptor in the AML buffer. The
545 * descriptor length is guaranteed to be non-zero by resource
546 * validation above.
547 */
548 aml += acpi_ut_get_descriptor_length(aml);
549 }
550 610
551 /* Did not find an end_tag resource descriptor */ 611 status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer,
612 obj_desc->buffer.length, NULL,
613 (void **)end_tag);
552 614
553 return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); 615 return_ACPI_STATUS(status);
554} 616}
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
index 4b134a722907..0f5c5bb5deff 100644
--- a/drivers/acpi/utilities/utstate.c
+++ b/drivers/acpi/utilities/utstate.c
@@ -96,7 +96,7 @@ void
96acpi_ut_push_generic_state(union acpi_generic_state **list_head, 96acpi_ut_push_generic_state(union acpi_generic_state **list_head,
97 union acpi_generic_state *state) 97 union acpi_generic_state *state)
98{ 98{
99 ACPI_FUNCTION_TRACE("ut_push_generic_state"); 99 ACPI_FUNCTION_TRACE(ut_push_generic_state);
100 100
101 /* Push the state object onto the front of the list (stack) */ 101 /* Push the state object onto the front of the list (stack) */
102 102
@@ -123,12 +123,13 @@ union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state
123{ 123{
124 union acpi_generic_state *state; 124 union acpi_generic_state *state;
125 125
126 ACPI_FUNCTION_TRACE("ut_pop_generic_state"); 126 ACPI_FUNCTION_TRACE(ut_pop_generic_state);
127 127
128 /* Remove the state object at the head of the list (stack) */ 128 /* Remove the state object at the head of the list (stack) */
129 129
130 state = *list_head; 130 state = *list_head;
131 if (state) { 131 if (state) {
132
132 /* Update the list head */ 133 /* Update the list head */
133 134
134 *list_head = state->common.next; 135 *list_head = state->common.next;
@@ -158,9 +159,10 @@ union acpi_generic_state *acpi_ut_create_generic_state(void)
158 159
159 state = acpi_os_acquire_object(acpi_gbl_state_cache); 160 state = acpi_os_acquire_object(acpi_gbl_state_cache);
160 if (state) { 161 if (state) {
162
161 /* Initialize */ 163 /* Initialize */
162 memset(state, 0, sizeof(union acpi_generic_state)); 164 memset(state, 0, sizeof(union acpi_generic_state));
163 state->common.data_type = ACPI_DESC_TYPE_STATE; 165 state->common.descriptor_type = ACPI_DESC_TYPE_STATE;
164 } 166 }
165 167
166 return (state); 168 return (state);
@@ -183,7 +185,7 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void)
183{ 185{
184 union acpi_generic_state *state; 186 union acpi_generic_state *state;
185 187
186 ACPI_FUNCTION_TRACE("ut_create_thread_state"); 188 ACPI_FUNCTION_TRACE(ut_create_thread_state);
187 189
188 /* Create the generic state object */ 190 /* Create the generic state object */
189 191
@@ -194,7 +196,7 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void)
194 196
195 /* Init fields specific to the update struct */ 197 /* Init fields specific to the update struct */
196 198
197 state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD; 199 state->common.descriptor_type = ACPI_DESC_TYPE_STATE_THREAD;
198 state->thread.thread_id = acpi_os_get_thread_id(); 200 state->thread.thread_id = acpi_os_get_thread_id();
199 201
200 return_PTR((struct acpi_thread_state *)state); 202 return_PTR((struct acpi_thread_state *)state);
@@ -220,7 +222,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
220{ 222{
221 union acpi_generic_state *state; 223 union acpi_generic_state *state;
222 224
223 ACPI_FUNCTION_TRACE_PTR("ut_create_update_state", object); 225 ACPI_FUNCTION_TRACE_PTR(ut_create_update_state, object);
224 226
225 /* Create the generic state object */ 227 /* Create the generic state object */
226 228
@@ -231,7 +233,7 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object
231 233
232 /* Init fields specific to the update struct */ 234 /* Init fields specific to the update struct */
233 235
234 state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE; 236 state->common.descriptor_type = ACPI_DESC_TYPE_STATE_UPDATE;
235 state->update.object = object; 237 state->update.object = object;
236 state->update.value = action; 238 state->update.value = action;
237 239
@@ -257,7 +259,7 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
257{ 259{
258 union acpi_generic_state *state; 260 union acpi_generic_state *state;
259 261
260 ACPI_FUNCTION_TRACE_PTR("ut_create_pkg_state", internal_object); 262 ACPI_FUNCTION_TRACE_PTR(ut_create_pkg_state, internal_object);
261 263
262 /* Create the generic state object */ 264 /* Create the generic state object */
263 265
@@ -268,7 +270,7 @@ union acpi_generic_state *acpi_ut_create_pkg_state(void *internal_object,
268 270
269 /* Init fields specific to the update struct */ 271 /* Init fields specific to the update struct */
270 272
271 state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE; 273 state->common.descriptor_type = ACPI_DESC_TYPE_STATE_PACKAGE;
272 state->pkg.source_object = (union acpi_operand_object *)internal_object; 274 state->pkg.source_object = (union acpi_operand_object *)internal_object;
273 state->pkg.dest_object = external_object; 275 state->pkg.dest_object = external_object;
274 state->pkg.index = index; 276 state->pkg.index = index;
@@ -294,7 +296,7 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
294{ 296{
295 union acpi_generic_state *state; 297 union acpi_generic_state *state;
296 298
297 ACPI_FUNCTION_TRACE("ut_create_control_state"); 299 ACPI_FUNCTION_TRACE(ut_create_control_state);
298 300
299 /* Create the generic state object */ 301 /* Create the generic state object */
300 302
@@ -305,7 +307,7 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
305 307
306 /* Init fields specific to the control struct */ 308 /* Init fields specific to the control struct */
307 309
308 state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL; 310 state->common.descriptor_type = ACPI_DESC_TYPE_STATE_CONTROL;
309 state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING; 311 state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
310 312
311 return_PTR(state); 313 return_PTR(state);
@@ -319,15 +321,19 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
319 * 321 *
320 * RETURN: None 322 * RETURN: None
321 * 323 *
322 * DESCRIPTION: Put a state object back into the global state cache. The object 324 * DESCRIPTION: Release a state object to the state cache. NULL state objects
323 * is not actually freed at this time. 325 * are ignored.
324 * 326 *
325 ******************************************************************************/ 327 ******************************************************************************/
326 328
327void acpi_ut_delete_generic_state(union acpi_generic_state *state) 329void acpi_ut_delete_generic_state(union acpi_generic_state *state)
328{ 330{
329 ACPI_FUNCTION_TRACE("ut_delete_generic_state"); 331 ACPI_FUNCTION_TRACE(ut_delete_generic_state);
332
333 /* Ignore null state */
330 334
331 (void)acpi_os_release_object(acpi_gbl_state_cache, state); 335 if (state) {
336 (void)acpi_os_release_object(acpi_gbl_state_cache, state);
337 }
332 return_VOID; 338 return_VOID;
333} 339}
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index 308a960871be..3538f69c82a1 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -41,8 +41,6 @@
41 * POSSIBILITY OF SUCH DAMAGES. 41 * POSSIBILITY OF SUCH DAMAGES.
42 */ 42 */
43 43
44#include <linux/module.h>
45
46#include <acpi/acpi.h> 44#include <acpi/acpi.h>
47#include <acpi/acevents.h> 45#include <acpi/acevents.h>
48#include <acpi/acnamesp.h> 46#include <acpi/acnamesp.h>
@@ -67,7 +65,7 @@ acpi_status acpi_initialize_subsystem(void)
67{ 65{
68 acpi_status status; 66 acpi_status status;
69 67
70 ACPI_FUNCTION_TRACE("acpi_initialize_subsystem"); 68 ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
71 69
72 ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace()); 70 ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
73 71
@@ -109,6 +107,8 @@ acpi_status acpi_initialize_subsystem(void)
109 return_ACPI_STATUS(status); 107 return_ACPI_STATUS(status);
110} 108}
111 109
110ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem)
111
112/******************************************************************************* 112/*******************************************************************************
113 * 113 *
114 * FUNCTION: acpi_enable_subsystem 114 * FUNCTION: acpi_enable_subsystem
@@ -121,12 +121,11 @@ acpi_status acpi_initialize_subsystem(void)
121 * Puts system into ACPI mode if it isn't already. 121 * Puts system into ACPI mode if it isn't already.
122 * 122 *
123 ******************************************************************************/ 123 ******************************************************************************/
124
125acpi_status acpi_enable_subsystem(u32 flags) 124acpi_status acpi_enable_subsystem(u32 flags)
126{ 125{
127 acpi_status status = AE_OK; 126 acpi_status status = AE_OK;
128 127
129 ACPI_FUNCTION_TRACE("acpi_enable_subsystem"); 128 ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
130 129
131 /* 130 /*
132 * We must initialize the hardware before we can enable ACPI. 131 * We must initialize the hardware before we can enable ACPI.
@@ -152,7 +151,7 @@ acpi_status acpi_enable_subsystem(u32 flags)
152 151
153 status = acpi_enable(); 152 status = acpi_enable();
154 if (ACPI_FAILURE(status)) { 153 if (ACPI_FAILURE(status)) {
155 ACPI_WARNING((AE_INFO, "acpi_enable failed")); 154 ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
156 return_ACPI_STATUS(status); 155 return_ACPI_STATUS(status);
157 } 156 }
158 } 157 }
@@ -229,6 +228,8 @@ acpi_status acpi_enable_subsystem(u32 flags)
229 return_ACPI_STATUS(status); 228 return_ACPI_STATUS(status);
230} 229}
231 230
231ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)
232
232/******************************************************************************* 233/*******************************************************************************
233 * 234 *
234 * FUNCTION: acpi_initialize_objects 235 * FUNCTION: acpi_initialize_objects
@@ -241,12 +242,11 @@ acpi_status acpi_enable_subsystem(u32 flags)
241 * objects and executing AML code for Regions, buffers, etc. 242 * objects and executing AML code for Regions, buffers, etc.
242 * 243 *
243 ******************************************************************************/ 244 ******************************************************************************/
244
245acpi_status acpi_initialize_objects(u32 flags) 245acpi_status acpi_initialize_objects(u32 flags)
246{ 246{
247 acpi_status status = AE_OK; 247 acpi_status status = AE_OK;
248 248
249 ACPI_FUNCTION_TRACE("acpi_initialize_objects"); 249 ACPI_FUNCTION_TRACE(acpi_initialize_objects);
250 250
251 /* 251 /*
252 * Run all _REG methods 252 * Run all _REG methods
@@ -257,7 +257,7 @@ acpi_status acpi_initialize_objects(u32 flags)
257 */ 257 */
258 if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { 258 if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
259 ACPI_DEBUG_PRINT((ACPI_DB_EXEC, 259 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
260 "[Init] Executing _REG op_region methods\n")); 260 "[Init] Executing _REG OpRegion methods\n"));
261 261
262 status = acpi_ev_initialize_op_regions(); 262 status = acpi_ev_initialize_op_regions();
263 if (ACPI_FAILURE(status)) { 263 if (ACPI_FAILURE(status)) {
@@ -305,6 +305,8 @@ acpi_status acpi_initialize_objects(u32 flags)
305 return_ACPI_STATUS(status); 305 return_ACPI_STATUS(status);
306} 306}
307 307
308ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
309
308/******************************************************************************* 310/*******************************************************************************
309 * 311 *
310 * FUNCTION: acpi_terminate 312 * FUNCTION: acpi_terminate
@@ -316,12 +318,11 @@ acpi_status acpi_initialize_objects(u32 flags)
316 * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources. 318 * DESCRIPTION: Shutdown the ACPI subsystem. Release all resources.
317 * 319 *
318 ******************************************************************************/ 320 ******************************************************************************/
319
320acpi_status acpi_terminate(void) 321acpi_status acpi_terminate(void)
321{ 322{
322 acpi_status status; 323 acpi_status status;
323 324
324 ACPI_FUNCTION_TRACE("acpi_terminate"); 325 ACPI_FUNCTION_TRACE(acpi_terminate);
325 326
326 /* Terminate the AML Debugger if present */ 327 /* Terminate the AML Debugger if present */
327 328
@@ -348,6 +349,8 @@ acpi_status acpi_terminate(void)
348 return_ACPI_STATUS(status); 349 return_ACPI_STATUS(status);
349} 350}
350 351
352ACPI_EXPORT_SYMBOL(acpi_terminate)
353
351#ifdef ACPI_FUTURE_USAGE 354#ifdef ACPI_FUTURE_USAGE
352/******************************************************************************* 355/*******************************************************************************
353 * 356 *
@@ -362,7 +365,6 @@ acpi_status acpi_terminate(void)
362 * initialized successfully. 365 * initialized successfully.
363 * 366 *
364 ******************************************************************************/ 367 ******************************************************************************/
365
366acpi_status acpi_subsystem_status(void) 368acpi_status acpi_subsystem_status(void)
367{ 369{
368 370
@@ -373,6 +375,8 @@ acpi_status acpi_subsystem_status(void)
373 } 375 }
374} 376}
375 377
378ACPI_EXPORT_SYMBOL(acpi_subsystem_status)
379
376/******************************************************************************* 380/*******************************************************************************
377 * 381 *
378 * FUNCTION: acpi_get_system_info 382 * FUNCTION: acpi_get_system_info
@@ -390,14 +394,13 @@ acpi_status acpi_subsystem_status(void)
390 * and the value of out_buffer is undefined. 394 * and the value of out_buffer is undefined.
391 * 395 *
392 ******************************************************************************/ 396 ******************************************************************************/
393
394acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) 397acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
395{ 398{
396 struct acpi_system_info *info_ptr; 399 struct acpi_system_info *info_ptr;
397 acpi_status status; 400 acpi_status status;
398 u32 i; 401 u32 i;
399 402
400 ACPI_FUNCTION_TRACE("acpi_get_system_info"); 403 ACPI_FUNCTION_TRACE(acpi_get_system_info);
401 404
402 /* Parameter validation */ 405 /* Parameter validation */
403 406
@@ -448,15 +451,15 @@ acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer)
448 451
449 /* Current status of the ACPI tables, per table type */ 452 /* Current status of the ACPI tables, per table type */
450 453
451 info_ptr->num_table_types = NUM_ACPI_TABLE_TYPES; 454 info_ptr->num_table_types = ACPI_TABLE_ID_MAX + 1;
452 for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { 455 for (i = 0; i < (ACPI_TABLE_ID_MAX + 1); i++) {
453 info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count; 456 info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count;
454 } 457 }
455 458
456 return_ACPI_STATUS(AE_OK); 459 return_ACPI_STATUS(AE_OK);
457} 460}
458 461
459EXPORT_SYMBOL(acpi_get_system_info); 462ACPI_EXPORT_SYMBOL(acpi_get_system_info)
460 463
461/***************************************************************************** 464/*****************************************************************************
462 * 465 *
@@ -472,7 +475,6 @@ EXPORT_SYMBOL(acpi_get_system_info);
472 * TBD: When a second function is added, must save the Function also. 475 * TBD: When a second function is added, must save the Function also.
473 * 476 *
474 ****************************************************************************/ 477 ****************************************************************************/
475
476acpi_status 478acpi_status
477acpi_install_initialization_handler(acpi_init_handler handler, u32 function) 479acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
478{ 480{
@@ -489,6 +491,7 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
489 return AE_OK; 491 return AE_OK;
490} 492}
491 493
494ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler)
492#endif /* ACPI_FUTURE_USAGE */ 495#endif /* ACPI_FUTURE_USAGE */
493 496
494/***************************************************************************** 497/*****************************************************************************
@@ -502,10 +505,9 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function)
502 * DESCRIPTION: Empty all caches (delete the cached objects) 505 * DESCRIPTION: Empty all caches (delete the cached objects)
503 * 506 *
504 ****************************************************************************/ 507 ****************************************************************************/
505
506acpi_status acpi_purge_cached_objects(void) 508acpi_status acpi_purge_cached_objects(void)
507{ 509{
508 ACPI_FUNCTION_TRACE("acpi_purge_cached_objects"); 510 ACPI_FUNCTION_TRACE(acpi_purge_cached_objects);
509 511
510 (void)acpi_os_purge_cache(acpi_gbl_state_cache); 512 (void)acpi_os_purge_cache(acpi_gbl_state_cache);
511 (void)acpi_os_purge_cache(acpi_gbl_operand_cache); 513 (void)acpi_os_purge_cache(acpi_gbl_operand_cache);
@@ -513,3 +515,5 @@ acpi_status acpi_purge_cached_objects(void)
513 (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache); 515 (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache);
514 return_ACPI_STATUS(AE_OK); 516 return_ACPI_STATUS(AE_OK);
515} 517}
518
519ACPI_EXPORT_SYMBOL(acpi_purge_cached_objects)
diff --git a/drivers/char/agp/hp-agp.c b/drivers/char/agp/hp-agp.c
index 8c4c6ef748ec..907fb66ec4a9 100644
--- a/drivers/char/agp/hp-agp.c
+++ b/drivers/char/agp/hp-agp.c
@@ -497,7 +497,7 @@ zx1_gart_probe (acpi_handle obj, u32 depth, void *context, void **ret)
497 info = buffer.pointer; 497 info = buffer.pointer;
498 info->hardware_id.value[sizeof(info->hardware_id)-1] = '\0'; 498 info->hardware_id.value[sizeof(info->hardware_id)-1] = '\0';
499 match = (strcmp(info->hardware_id.value, "HWP0001") == 0); 499 match = (strcmp(info->hardware_id.value, "HWP0001") == 0);
500 ACPI_MEM_FREE(info); 500 kfree(info);
501 if (match) { 501 if (match) {
502 status = hp_acpi_csr_space(handle, &sba_hpa, &length); 502 status = hp_acpi_csr_space(handle, &sba_hpa, &length);
503 if (ACPI_SUCCESS(status)) 503 if (ACPI_SUCCESS(status))