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-rw-r--r--drivers/acpi/dispatcher/dsinit.c24
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c34
-rw-r--r--drivers/acpi/dispatcher/dswstate.c4
-rw-r--r--drivers/acpi/events/evmisc.c3
-rw-r--r--drivers/acpi/executer/exconfig.c19
-rw-r--r--drivers/acpi/executer/exdump.c2
-rw-r--r--drivers/acpi/executer/exoparg1.c2
-rw-r--r--drivers/acpi/namespace/nsaccess.c13
-rw-r--r--drivers/acpi/namespace/nsalloc.c121
-rw-r--r--drivers/acpi/namespace/nsdump.c11
-rw-r--r--drivers/acpi/namespace/nseval.c10
-rw-r--r--drivers/acpi/namespace/nsload.c42
-rw-r--r--drivers/acpi/namespace/nsparse.c2
-rw-r--r--drivers/acpi/parser/psloop.c9
-rw-r--r--drivers/acpi/parser/psutils.c4
-rw-r--r--drivers/acpi/parser/psxface.c242
-rw-r--r--drivers/acpi/tables/tbinstal.c22
-rw-r--r--drivers/acpi/tables/tbutils.c67
-rw-r--r--drivers/acpi/tables/tbxface.c14
-rw-r--r--drivers/acpi/tables/tbxfroot.c4
-rw-r--r--drivers/acpi/utilities/utalloc.c4
-rw-r--r--drivers/acpi/utilities/utdebug.c77
-rw-r--r--drivers/acpi/utilities/utmisc.c58
23 files changed, 426 insertions, 362 deletions
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index ebc07aab710c..bcd1d472b90f 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -86,20 +86,20 @@ acpi_ds_init_one_object (
86 void *context, 86 void *context,
87 void **return_value) 87 void **return_value)
88{ 88{
89 struct acpi_init_walk_info *info = (struct acpi_init_walk_info *) context;
90 struct acpi_namespace_node *node = (struct acpi_namespace_node *) obj_handle;
89 acpi_object_type type; 91 acpi_object_type type;
90 acpi_status status; 92 acpi_status status;
91 struct acpi_init_walk_info *info = (struct acpi_init_walk_info *) context;
92 93
93 94
94 ACPI_FUNCTION_NAME ("ds_init_one_object"); 95 ACPI_FUNCTION_NAME ("ds_init_one_object");
95 96
96 97
97 /* 98 /*
98 * We are only interested in objects owned by the table that 99 * We are only interested in NS nodes owned by the table that
99 * was just loaded 100 * was just loaded
100 */ 101 */
101 if (((struct acpi_namespace_node *) obj_handle)->owner_id != 102 if (node->owner_id != info->table_desc->owner_id) {
102 info->table_desc->owner_id) {
103 return (AE_OK); 103 return (AE_OK);
104 } 104 }
105 105
@@ -126,8 +126,6 @@ acpi_ds_init_one_object (
126 126
127 case ACPI_TYPE_METHOD: 127 case ACPI_TYPE_METHOD:
128 128
129 info->method_count++;
130
131 /* 129 /*
132 * Print a dot for each method unless we are going to print 130 * Print a dot for each method unless we are going to print
133 * the entire pathname 131 * the entire pathname
@@ -143,7 +141,7 @@ acpi_ds_init_one_object (
143 * on a per-table basis. Currently, we just use a global for the width. 141 * on a per-table basis. Currently, we just use a global for the width.
144 */ 142 */
145 if (info->table_desc->pointer->revision == 1) { 143 if (info->table_desc->pointer->revision == 1) {
146 ((struct acpi_namespace_node *) obj_handle)->flags |= ANOBJ_DATA_WIDTH_32; 144 node->flags |= ANOBJ_DATA_WIDTH_32;
147 } 145 }
148 146
149 /* 147 /*
@@ -153,22 +151,14 @@ acpi_ds_init_one_object (
153 status = acpi_ds_parse_method (obj_handle); 151 status = acpi_ds_parse_method (obj_handle);
154 if (ACPI_FAILURE (status)) { 152 if (ACPI_FAILURE (status)) {
155 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 153 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
156 "Method %p [%4.4s] - parse failure, %s\n", 154 "\n+Method %p [%4.4s] - parse failure, %s\n",
157 obj_handle, acpi_ut_get_node_name (obj_handle), 155 obj_handle, acpi_ut_get_node_name (obj_handle),
158 acpi_format_exception (status))); 156 acpi_format_exception (status)));
159 157
160 /* This parse failed, but we will continue parsing more methods */ 158 /* This parse failed, but we will continue parsing more methods */
161
162 break;
163 } 159 }
164 160
165 /* 161 info->method_count++;
166 * Delete the parse tree. We simply re-parse the method
167 * for every execution since there isn't much overhead
168 */
169 acpi_ns_delete_namespace_subtree (obj_handle);
170 acpi_ns_delete_namespace_by_owner (
171 ((struct acpi_namespace_node *) obj_handle)->object->method.owner_id);
172 break; 162 break;
173 163
174 164
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 1b90813cbde1..e344c06ed33f 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -58,12 +58,11 @@
58 * 58 *
59 * FUNCTION: acpi_ds_parse_method 59 * FUNCTION: acpi_ds_parse_method
60 * 60 *
61 * PARAMETERS: obj_handle - Method node 61 * PARAMETERS: Node - Method node
62 * 62 *
63 * RETURN: Status 63 * RETURN: Status
64 * 64 *
65 * DESCRIPTION: Call the parser and parse the AML that is associated with the 65 * DESCRIPTION: Parse the AML that is associated with the method.
66 * method.
67 * 66 *
68 * MUTEX: Assumes parser is locked 67 * MUTEX: Assumes parser is locked
69 * 68 *
@@ -71,30 +70,28 @@
71 70
72acpi_status 71acpi_status
73acpi_ds_parse_method ( 72acpi_ds_parse_method (
74 acpi_handle obj_handle) 73 struct acpi_namespace_node *node)
75{ 74{
76 acpi_status status; 75 acpi_status status;
77 union acpi_operand_object *obj_desc; 76 union acpi_operand_object *obj_desc;
78 union acpi_parse_object *op; 77 union acpi_parse_object *op;
79 struct acpi_namespace_node *node;
80 struct acpi_walk_state *walk_state; 78 struct acpi_walk_state *walk_state;
81 79
82 80
83 ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", obj_handle); 81 ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", node);
84 82
85 83
86 /* Parameter Validation */ 84 /* Parameter Validation */
87 85
88 if (!obj_handle) { 86 if (!node) {
89 return_ACPI_STATUS (AE_NULL_ENTRY); 87 return_ACPI_STATUS (AE_NULL_ENTRY);
90 } 88 }
91 89
92 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n", 90 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n",
93 acpi_ut_get_node_name (obj_handle), obj_handle)); 91 acpi_ut_get_node_name (node), node));
94 92
95 /* Extract the method object from the method Node */ 93 /* Extract the method object from the method Node */
96 94
97 node = (struct acpi_namespace_node *) obj_handle;
98 obj_desc = acpi_ns_get_attached_object (node); 95 obj_desc = acpi_ns_get_attached_object (node);
99 if (!obj_desc) { 96 if (!obj_desc) {
100 return_ACPI_STATUS (AE_NULL_OBJECT); 97 return_ACPI_STATUS (AE_NULL_OBJECT);
@@ -169,10 +166,18 @@ acpi_ds_parse_method (
169 166
170 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 167 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
171 "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n", 168 "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
172 acpi_ut_get_node_name (obj_handle), obj_handle, op)); 169 acpi_ut_get_node_name (node), node, op));
170
171 /*
172 * Delete the parse tree. We simply re-parse the method for every
173 * execution since there isn't much overhead (compared to keeping lots
174 * of parse trees around)
175 */
176 acpi_ns_delete_namespace_subtree (node);
177 acpi_ns_delete_namespace_by_owner (obj_desc->method.owner_id);
173 178
174cleanup2: 179cleanup2:
175 (void) acpi_ut_release_owner_id (obj_desc->method.owner_id); 180 acpi_ut_release_owner_id (&obj_desc->method.owner_id);
176 181
177cleanup: 182cleanup:
178 acpi_ps_delete_parse_tree (op); 183 acpi_ps_delete_parse_tree (op);
@@ -391,7 +396,7 @@ acpi_ds_call_control_method (
391 /* On error, we must delete the new walk state */ 396 /* On error, we must delete the new walk state */
392 397
393cleanup: 398cleanup:
394 (void) acpi_ut_release_owner_id (obj_desc->method.owner_id); 399 acpi_ut_release_owner_id (&obj_desc->method.owner_id);
395 if (next_walk_state && (next_walk_state->method_desc)) { 400 if (next_walk_state && (next_walk_state->method_desc)) {
396 /* Decrement the thread count on the method parse tree */ 401 /* Decrement the thread count on the method parse tree */
397 402
@@ -563,8 +568,7 @@ acpi_ds_terminate_control_method (
563 */ 568 */
564 if ((walk_state->method_desc->method.concurrency == 1) && 569 if ((walk_state->method_desc->method.concurrency == 1) &&
565 (!walk_state->method_desc->method.semaphore)) { 570 (!walk_state->method_desc->method.semaphore)) {
566 status = acpi_os_create_semaphore (1, 571 status = acpi_os_create_semaphore (1, 1,
567 1,
568 &walk_state->method_desc->method.semaphore); 572 &walk_state->method_desc->method.semaphore);
569 } 573 }
570 574
@@ -595,6 +599,8 @@ acpi_ds_terminate_control_method (
595 */ 599 */
596 acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id); 600 acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id);
597 status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 601 status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
602 acpi_ut_release_owner_id (&walk_state->method_desc->method.owner_id);
603
598 if (ACPI_FAILURE (status)) { 604 if (ACPI_FAILURE (status)) {
599 return_ACPI_STATUS (status); 605 return_ACPI_STATUS (status);
600 } 606 }
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index d360d8e89544..5621665991b5 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -744,7 +744,7 @@ acpi_ds_init_aml_walk (
744 u8 *aml_start, 744 u8 *aml_start,
745 u32 aml_length, 745 u32 aml_length,
746 struct acpi_parameter_info *info, 746 struct acpi_parameter_info *info,
747 u32 pass_number) 747 u8 pass_number)
748{ 748{
749 acpi_status status; 749 acpi_status status;
750 struct acpi_parse_state *parser_state = &walk_state->parser_state; 750 struct acpi_parse_state *parser_state = &walk_state->parser_state;
@@ -762,7 +762,7 @@ acpi_ds_init_aml_walk (
762 /* The next_op of the next_walk will be the beginning of the method */ 762 /* The next_op of the next_walk will be the beginning of the method */
763 763
764 walk_state->next_op = NULL; 764 walk_state->next_op = NULL;
765 walk_state->pass_number = (u8) pass_number; 765 walk_state->pass_number = pass_number;
766 766
767 if (info) { 767 if (info) {
768 if (info->parameter_type == ACPI_PARAM_GPE) { 768 if (info->parameter_type == ACPI_PARAM_GPE) {
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 38d7ab8aef3a..3df3ada4b9e7 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -411,6 +411,9 @@ acpi_ev_init_global_lock_handler (
411 * with an error. 411 * with an error.
412 */ 412 */
413 if (status == AE_NO_HARDWARE_RESPONSE) { 413 if (status == AE_NO_HARDWARE_RESPONSE) {
414 ACPI_REPORT_ERROR ((
415 "No response from Global Lock hardware, disabling lock\n"));
416
414 acpi_gbl_global_lock_present = FALSE; 417 acpi_gbl_global_lock_present = FALSE;
415 status = AE_OK; 418 status = AE_OK;
416 } 419 }
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 76c6ebd0231f..d11e9ec827f1 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -99,6 +99,11 @@ acpi_ex_add_table (
99 return_ACPI_STATUS (AE_NO_MEMORY); 99 return_ACPI_STATUS (AE_NO_MEMORY);
100 } 100 }
101 101
102 /* Init the table handle */
103
104 obj_desc->reference.opcode = AML_LOAD_OP;
105 *ddb_handle = obj_desc;
106
102 /* Install the new table into the local data structures */ 107 /* Install the new table into the local data structures */
103 108
104 ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc)); 109 ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
@@ -109,7 +114,14 @@ acpi_ex_add_table (
109 table_info.allocation = ACPI_MEM_ALLOCATED; 114 table_info.allocation = ACPI_MEM_ALLOCATED;
110 115
111 status = acpi_tb_install_table (&table_info); 116 status = acpi_tb_install_table (&table_info);
117 obj_desc->reference.object = table_info.installed_desc;
118
112 if (ACPI_FAILURE (status)) { 119 if (ACPI_FAILURE (status)) {
120 if (status == AE_ALREADY_EXISTS) {
121 /* Table already exists, just return the handle */
122
123 return_ACPI_STATUS (AE_OK);
124 }
113 goto cleanup; 125 goto cleanup;
114 } 126 }
115 127
@@ -123,16 +135,12 @@ acpi_ex_add_table (
123 goto cleanup; 135 goto cleanup;
124 } 136 }
125 137
126 /* Init the table handle */
127
128 obj_desc->reference.opcode = AML_LOAD_OP;
129 obj_desc->reference.object = table_info.installed_desc;
130 *ddb_handle = obj_desc;
131 return_ACPI_STATUS (AE_OK); 138 return_ACPI_STATUS (AE_OK);
132 139
133 140
134cleanup: 141cleanup:
135 acpi_ut_remove_reference (obj_desc); 142 acpi_ut_remove_reference (obj_desc);
143 *ddb_handle = NULL;
136 return_ACPI_STATUS (status); 144 return_ACPI_STATUS (status);
137} 145}
138 146
@@ -488,6 +496,7 @@ acpi_ex_unload_table (
488 * (Offset contains the table_id) 496 * (Offset contains the table_id)
489 */ 497 */
490 acpi_ns_delete_namespace_by_owner (table_info->owner_id); 498 acpi_ns_delete_namespace_by_owner (table_info->owner_id);
499 acpi_ut_release_owner_id (&table_info->owner_id);
491 500
492 /* Delete the table itself */ 501 /* Delete the table itself */
493 502
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index fd13cc3db018..4f98dceed39a 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -598,7 +598,7 @@ acpi_ex_dump_reference (
598 acpi_os_printf ("Could not convert name to pathname\n"); 598 acpi_os_printf ("Could not convert name to pathname\n");
599 } 599 }
600 else { 600 else {
601 acpi_os_printf ("%s\n", ret_buf.pointer); 601 acpi_os_printf ("%s\n", (char *) ret_buf.pointer);
602 ACPI_MEM_FREE (ret_buf.pointer); 602 ACPI_MEM_FREE (ret_buf.pointer);
603 } 603 }
604 } 604 }
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index c1ba8b48228e..48c30f800083 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -955,7 +955,7 @@ acpi_ex_opcode_1A_0T_1R (
955 */ 955 */
956 return_desc = *(operand[0]->reference.where); 956 return_desc = *(operand[0]->reference.where);
957 if (return_desc) { 957 if (return_desc) {
958 acpi_ut_add_reference (return_desc); 958 acpi_ut_add_reference (return_desc);
959 } 959 }
960 960
961 break; 961 break;
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 0bda88d18685..7589e1fdf25a 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -159,19 +159,20 @@ acpi_ns_root_initialize (
159 obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val); 159 obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val);
160 obj_desc->common.flags |= AOPOBJ_DATA_VALID; 160 obj_desc->common.flags |= AOPOBJ_DATA_VALID;
161 161
162#if defined (ACPI_ASL_COMPILER) || defined (ACPI_DUMP_App) 162#if defined (ACPI_ASL_COMPILER)
163 163
164 /* 164 /* save the parameter count for the i_aSL compiler */
165 * i_aSL Compiler cheats by putting parameter count 165
166 * in the owner_iD (param_count max is 7) 166 new_node->value = obj_desc->method.param_count;
167 */
168 new_node->owner_id = obj_desc->method.param_count;
169#else 167#else
170 /* Mark this as a very SPECIAL method */ 168 /* Mark this as a very SPECIAL method */
171 169
172 obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY; 170 obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY;
171
172#ifndef ACPI_DUMP_APP
173 obj_desc->method.implementation = acpi_ut_osi_implementation; 173 obj_desc->method.implementation = acpi_ut_osi_implementation;
174#endif 174#endif
175#endif
175 break; 176 break;
176 177
177 case ACPI_TYPE_INTEGER: 178 case ACPI_TYPE_INTEGER:
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index edbf1db36b68..21d560decbf9 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -176,10 +176,9 @@ acpi_ns_delete_node (
176 * DESCRIPTION: Initialize a new namespace node and install it amongst 176 * DESCRIPTION: Initialize a new namespace node and install it amongst
177 * its peers. 177 * its peers.
178 * 178 *
179 * Note: Current namespace lookup is linear search. However, the 179 * Note: Current namespace lookup is linear search. This appears
180 * nodes are linked in alphabetical order to 1) put all reserved 180 * to be sufficient as namespace searches consume only a small
181 * names (start with underscore) first, and to 2) make a readable 181 * fraction of the execution time of the ACPI subsystem.
182 * namespace dump.
183 * 182 *
184 ******************************************************************************/ 183 ******************************************************************************/
185 184
@@ -192,10 +191,6 @@ acpi_ns_install_node (
192{ 191{
193 acpi_owner_id owner_id = 0; 192 acpi_owner_id owner_id = 0;
194 struct acpi_namespace_node *child_node; 193 struct acpi_namespace_node *child_node;
195#ifdef ACPI_ALPHABETIC_NAMESPACE
196
197 struct acpi_namespace_node *previous_child_node;
198#endif
199 194
200 195
201 ACPI_FUNCTION_TRACE ("ns_install_node"); 196 ACPI_FUNCTION_TRACE ("ns_install_node");
@@ -219,57 +214,6 @@ acpi_ns_install_node (
219 node->peer = parent_node; 214 node->peer = parent_node;
220 } 215 }
221 else { 216 else {
222#ifdef ACPI_ALPHABETIC_NAMESPACE
223 /*
224 * Walk the list whilst searching for the correct
225 * alphabetic placement.
226 */
227 previous_child_node = NULL;
228 while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node),
229 acpi_ut_get_node_name (node)) < 0) {
230 if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
231 /* Last peer; Clear end-of-list flag */
232
233 child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
234
235 /* This node is the new peer to the child node */
236
237 child_node->peer = node;
238
239 /* This node is the new end-of-list */
240
241 node->flags |= ANOBJ_END_OF_PEER_LIST;
242 node->peer = parent_node;
243 break;
244 }
245
246 /* Get next peer */
247
248 previous_child_node = child_node;
249 child_node = child_node->peer;
250 }
251
252 /* Did the node get inserted at the end-of-list? */
253
254 if (!(node->flags & ANOBJ_END_OF_PEER_LIST)) {
255 /*
256 * Loop above terminated without reaching the end-of-list.
257 * Insert the new node at the current location
258 */
259 if (previous_child_node) {
260 /* Insert node alphabetically */
261
262 node->peer = child_node;
263 previous_child_node->peer = node;
264 }
265 else {
266 /* Insert node alphabetically at start of list */
267
268 node->peer = child_node;
269 parent_node->child = node;
270 }
271 }
272#else
273 while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) { 217 while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) {
274 child_node = child_node->peer; 218 child_node = child_node->peer;
275 } 219 }
@@ -279,9 +223,8 @@ acpi_ns_install_node (
279 /* Clear end-of-list flag */ 223 /* Clear end-of-list flag */
280 224
281 child_node->flags &= ~ANOBJ_END_OF_PEER_LIST; 225 child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
282 node->flags |= ANOBJ_END_OF_PEER_LIST; 226 node->flags |= ANOBJ_END_OF_PEER_LIST;
283 node->peer = parent_node; 227 node->peer = parent_node;
284#endif
285 } 228 }
286 229
287 /* Init the new entry */ 230 /* Init the new entry */
@@ -570,6 +513,10 @@ acpi_ns_delete_namespace_by_owner (
570 ACPI_FUNCTION_TRACE_U32 ("ns_delete_namespace_by_owner", owner_id); 513 ACPI_FUNCTION_TRACE_U32 ("ns_delete_namespace_by_owner", owner_id);
571 514
572 515
516 if (owner_id == 0) {
517 return_VOID;
518 }
519
573 parent_node = acpi_gbl_root_node; 520 parent_node = acpi_gbl_root_node;
574 child_node = NULL; 521 child_node = NULL;
575 deletion_node = NULL; 522 deletion_node = NULL;
@@ -635,59 +582,7 @@ acpi_ns_delete_namespace_by_owner (
635 } 582 }
636 } 583 }
637 584
638 (void) acpi_ut_release_owner_id (owner_id);
639 return_VOID; 585 return_VOID;
640} 586}
641 587
642 588
643#ifdef ACPI_ALPHABETIC_NAMESPACE
644/*******************************************************************************
645 *
646 * FUNCTION: acpi_ns_compare_names
647 *
648 * PARAMETERS: Name1 - First name to compare
649 * Name2 - Second name to compare
650 *
651 * RETURN: value from strncmp
652 *
653 * DESCRIPTION: Compare two ACPI names. Names that are prefixed with an
654 * underscore are forced to be alphabetically first.
655 *
656 ******************************************************************************/
657
658int
659acpi_ns_compare_names (
660 char *name1,
661 char *name2)
662{
663 char reversed_name1[ACPI_NAME_SIZE];
664 char reversed_name2[ACPI_NAME_SIZE];
665 u32 i;
666 u32 j;
667
668
669 /*
670 * Replace all instances of "underscore" with a value that is smaller so
671 * that all names that are prefixed with underscore(s) are alphabetically
672 * first.
673 *
674 * Reverse the name bytewise so we can just do a 32-bit compare instead
675 * of a strncmp.
676 */
677 for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) {
678 reversed_name1[j] = name1[i];
679 if (name1[i] == '_') {
680 reversed_name1[j] = '*';
681 }
682
683 reversed_name2[j] = name2[i];
684 if (name2[i] == '_') {
685 reversed_name2[j] = '*';
686 }
687 }
688
689 return (*(int *) reversed_name1 - *(int *) reversed_name2);
690}
691#endif
692
693
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index d86ccbc8a134..5d25add6b031 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -85,6 +85,9 @@ acpi_ns_print_pathname (
85 u32 num_segments, 85 u32 num_segments,
86 char *pathname) 86 char *pathname)
87{ 87{
88 acpi_native_uint i;
89
90
88 ACPI_FUNCTION_NAME ("ns_print_pathname"); 91 ACPI_FUNCTION_NAME ("ns_print_pathname");
89 92
90 93
@@ -97,9 +100,13 @@ acpi_ns_print_pathname (
97 ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[")); 100 ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
98 101
99 while (num_segments) { 102 while (num_segments) {
100 acpi_os_printf ("%4.4s", pathname); 103 for (i = 0; i < 4; i++) {
101 pathname += ACPI_NAME_SIZE; 104 ACPI_IS_PRINT (pathname[i]) ?
105 acpi_os_printf ("%c", pathname[i]) :
106 acpi_os_printf ("?");
107 }
102 108
109 pathname += ACPI_NAME_SIZE;
103 num_segments--; 110 num_segments--;
104 if (num_segments) { 111 if (num_segments) {
105 acpi_os_printf ("."); 112 acpi_os_printf (".");
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 1ae89a1c8826..908cffd5e720 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -365,6 +365,7 @@ acpi_ns_evaluate_by_handle (
365 * 365 *
366 * PARAMETERS: Info - Method info block, contains: 366 * PARAMETERS: Info - Method info block, contains:
367 * Node - Method Node to execute 367 * Node - Method Node to execute
368 * obj_desc - Method object
368 * Parameters - List of parameters to pass to the method, 369 * Parameters - List of parameters to pass to the method,
369 * terminated by NULL. Params itself may be 370 * terminated by NULL. Params itself may be
370 * NULL if no parameters are being passed. 371 * NULL if no parameters are being passed.
@@ -387,7 +388,6 @@ acpi_ns_execute_control_method (
387 struct acpi_parameter_info *info) 388 struct acpi_parameter_info *info)
388{ 389{
389 acpi_status status; 390 acpi_status status;
390 union acpi_operand_object *obj_desc;
391 391
392 392
393 ACPI_FUNCTION_TRACE ("ns_execute_control_method"); 393 ACPI_FUNCTION_TRACE ("ns_execute_control_method");
@@ -395,8 +395,8 @@ acpi_ns_execute_control_method (
395 395
396 /* Verify that there is a method associated with this object */ 396 /* Verify that there is a method associated with this object */
397 397
398 obj_desc = acpi_ns_get_attached_object (info->node); 398 info->obj_desc = acpi_ns_get_attached_object (info->node);
399 if (!obj_desc) { 399 if (!info->obj_desc) {
400 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n")); 400 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n"));
401 401
402 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 402 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
@@ -407,7 +407,7 @@ acpi_ns_execute_control_method (
407 ACPI_LV_INFO, _COMPONENT); 407 ACPI_LV_INFO, _COMPONENT);
408 408
409 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n", 409 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
410 obj_desc->method.aml_start + 1, obj_desc->method.aml_length - 1)); 410 info->obj_desc->method.aml_start + 1, info->obj_desc->method.aml_length - 1));
411 411
412 /* 412 /*
413 * Unlock the namespace before execution. This allows namespace access 413 * Unlock the namespace before execution. This allows namespace access
@@ -430,7 +430,7 @@ acpi_ns_execute_control_method (
430 return_ACPI_STATUS (status); 430 return_ACPI_STATUS (status);
431 } 431 }
432 432
433 status = acpi_psx_execute (info); 433 status = acpi_ps_execute_method (info);
434 acpi_ex_exit_interpreter (); 434 acpi_ex_exit_interpreter ();
435 435
436 return_ACPI_STATUS (status); 436 return_ACPI_STATUS (status);
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 34e497016601..1428a84a31e6 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -198,7 +198,7 @@ acpi_ns_load_table_by_type (
198 switch (table_type) { 198 switch (table_type) {
199 case ACPI_TABLE_DSDT: 199 case ACPI_TABLE_DSDT:
200 200
201 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading DSDT\n")); 201 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: DSDT\n"));
202 202
203 table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next; 203 table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
204 204
@@ -218,17 +218,18 @@ acpi_ns_load_table_by_type (
218 218
219 219
220 case ACPI_TABLE_SSDT: 220 case ACPI_TABLE_SSDT:
221 case ACPI_TABLE_PSDT:
221 222
222 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d SSDTs\n", 223 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: %d SSDT or PSDTs\n",
223 acpi_gbl_table_lists[ACPI_TABLE_SSDT].count)); 224 acpi_gbl_table_lists[table_type].count));
224 225
225 /* 226 /*
226 * Traverse list of SSDT tables 227 * Traverse list of SSDT or PSDT tables
227 */ 228 */
228 table_desc = acpi_gbl_table_lists[ACPI_TABLE_SSDT].next; 229 table_desc = acpi_gbl_table_lists[table_type].next;
229 for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_SSDT].count; i++) { 230 for (i = 0; i < acpi_gbl_table_lists[table_type].count; i++) {
230 /* 231 /*
231 * Only attempt to load table if it is not 232 * Only attempt to load table into namespace if it is not
232 * already loaded! 233 * already loaded!
233 */ 234 */
234 if (!table_desc->loaded_into_namespace) { 235 if (!table_desc->loaded_into_namespace) {
@@ -245,33 +246,6 @@ acpi_ns_load_table_by_type (
245 break; 246 break;
246 247
247 248
248 case ACPI_TABLE_PSDT:
249
250 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d PSDTs\n",
251 acpi_gbl_table_lists[ACPI_TABLE_PSDT].count));
252
253 /*
254 * Traverse list of PSDT tables
255 */
256 table_desc = acpi_gbl_table_lists[ACPI_TABLE_PSDT].next;
257
258 for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_PSDT].count; i++) {
259 /* Only attempt to load table if it is not already loaded! */
260
261 if (!table_desc->loaded_into_namespace) {
262 status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
263 if (ACPI_FAILURE (status)) {
264 break;
265 }
266
267 table_desc->loaded_into_namespace = TRUE;
268 }
269
270 table_desc = table_desc->next;
271 }
272 break;
273
274
275 default: 249 default:
276 status = AE_SUPPORT; 250 status = AE_SUPPORT;
277 break; 251 break;
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index 64e0b2b9f55c..24bed931d39d 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -67,7 +67,7 @@
67 67
68acpi_status 68acpi_status
69acpi_ns_one_complete_parse ( 69acpi_ns_one_complete_parse (
70 u32 pass_number, 70 u8 pass_number,
71 struct acpi_table_desc *table_desc) 71 struct acpi_table_desc *table_desc)
72{ 72{
73 union acpi_parse_object *parse_root; 73 union acpi_parse_object *parse_root;
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index edf8aa5f86ca..551d54bdbec3 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -55,8 +55,6 @@
55#include <acpi/acparser.h> 55#include <acpi/acparser.h>
56#include <acpi/acdispat.h> 56#include <acpi/acdispat.h>
57#include <acpi/amlcode.h> 57#include <acpi/amlcode.h>
58#include <acpi/acnamesp.h>
59#include <acpi/acinterp.h>
60 58
61#define _COMPONENT ACPI_PARSER 59#define _COMPONENT ACPI_PARSER
62 ACPI_MODULE_NAME ("psloop") 60 ACPI_MODULE_NAME ("psloop")
@@ -410,11 +408,9 @@ acpi_ps_parse_loop (
410 408
411 /* Special processing for certain opcodes */ 409 /* Special processing for certain opcodes */
412 410
413#define ACPI_NO_MODULE_LEVEL_CODE
414
415 /* TBD (remove): Temporary mechanism to disable this code if needed */ 411 /* TBD (remove): Temporary mechanism to disable this code if needed */
416 412
417#ifndef ACPI_NO_MODULE_LEVEL_CODE 413#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
418 414
419 if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) && 415 if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
420 ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) { 416 ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
@@ -431,6 +427,9 @@ acpi_ps_parse_loop (
431 case AML_ELSE_OP: 427 case AML_ELSE_OP:
432 case AML_WHILE_OP: 428 case AML_WHILE_OP:
433 429
430 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
431 "Pass1: Skipping an If/Else/While body\n"));
432
434 /* Skip body of if/else/while in pass 1 */ 433 /* Skip body of if/else/while in pass 1 */
435 434
436 parser_state->aml = parser_state->pkg_end; 435 parser_state->aml = parser_state->pkg_end;
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index 19a27020eeef..4221b41ae1a6 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -200,10 +200,10 @@ acpi_ps_free_op (
200 } 200 }
201 201
202 if (op->common.flags & ACPI_PARSEOP_GENERIC) { 202 if (op->common.flags & ACPI_PARSEOP_GENERIC) {
203 acpi_os_release_object (acpi_gbl_ps_node_cache, op); 203 (void) acpi_os_release_object (acpi_gbl_ps_node_cache, op);
204 } 204 }
205 else { 205 else {
206 acpi_os_release_object (acpi_gbl_ps_node_ext_cache, op); 206 (void) acpi_os_release_object (acpi_gbl_ps_node_ext_cache, op);
207 } 207 }
208} 208}
209 209
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index 5279b51e7787..d1541fabaf0a 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -46,19 +46,30 @@
46#include <acpi/acparser.h> 46#include <acpi/acparser.h>
47#include <acpi/acdispat.h> 47#include <acpi/acdispat.h>
48#include <acpi/acinterp.h> 48#include <acpi/acinterp.h>
49#include <acpi/acnamesp.h>
50 49
51 50
52#define _COMPONENT ACPI_PARSER 51#define _COMPONENT ACPI_PARSER
53 ACPI_MODULE_NAME ("psxface") 52 ACPI_MODULE_NAME ("psxface")
54 53
54/* Local Prototypes */
55
56static acpi_status
57acpi_ps_execute_pass (
58 struct acpi_parameter_info *info);
59
60static void
61acpi_ps_update_parameter_list (
62 struct acpi_parameter_info *info,
63 u16 action);
64
55 65
56/******************************************************************************* 66/*******************************************************************************
57 * 67 *
58 * FUNCTION: acpi_psx_execute 68 * FUNCTION: acpi_ps_execute_method
59 * 69 *
60 * PARAMETERS: Info - Method info block, contains: 70 * PARAMETERS: Info - Method info block, contains:
61 * Node - Method Node to execute 71 * Node - Method Node to execute
72 * obj_desc - Method object
62 * Parameters - List of parameters to pass to the method, 73 * Parameters - List of parameters to pass to the method,
63 * terminated by NULL. Params itself may be 74 * terminated by NULL. Params itself may be
64 * NULL if no parameters are being passed. 75 * NULL if no parameters are being passed.
@@ -67,6 +78,7 @@
67 * parameter_type - Type of Parameter list 78 * parameter_type - Type of Parameter list
68 * return_object - Where to put method's return value (if 79 * return_object - Where to put method's return value (if
69 * any). If NULL, no value is returned. 80 * any). If NULL, no value is returned.
81 * pass_number - Parse or execute pass
70 * 82 *
71 * RETURN: Status 83 * RETURN: Status
72 * 84 *
@@ -75,174 +87,194 @@
75 ******************************************************************************/ 87 ******************************************************************************/
76 88
77acpi_status 89acpi_status
78acpi_psx_execute ( 90acpi_ps_execute_method (
79 struct acpi_parameter_info *info) 91 struct acpi_parameter_info *info)
80{ 92{
81 acpi_status status; 93 acpi_status status;
82 union acpi_operand_object *obj_desc;
83 u32 i;
84 union acpi_parse_object *op;
85 struct acpi_walk_state *walk_state;
86 94
87 95
88 ACPI_FUNCTION_TRACE ("psx_execute"); 96 ACPI_FUNCTION_TRACE ("ps_execute_method");
89 97
90 98
91 /* Validate the Node and get the attached object */ 99 /* Validate the Info and method Node */
92 100
93 if (!info || !info->node) { 101 if (!info || !info->node) {
94 return_ACPI_STATUS (AE_NULL_ENTRY); 102 return_ACPI_STATUS (AE_NULL_ENTRY);
95 } 103 }
96 104
97 obj_desc = acpi_ns_get_attached_object (info->node);
98 if (!obj_desc) {
99 return_ACPI_STATUS (AE_NULL_OBJECT);
100 }
101
102 /* Init for new method, wait on concurrency semaphore */ 105 /* Init for new method, wait on concurrency semaphore */
103 106
104 status = acpi_ds_begin_method_execution (info->node, obj_desc, NULL); 107 status = acpi_ds_begin_method_execution (info->node, info->obj_desc, NULL);
105 if (ACPI_FAILURE (status)) { 108 if (ACPI_FAILURE (status)) {
106 return_ACPI_STATUS (status); 109 return_ACPI_STATUS (status);
107 } 110 }
108 111
109 if ((info->parameter_type == ACPI_PARAM_ARGS) &&
110 (info->parameters)) {
111 /*
112 * The caller "owns" the parameters, so give each one an extra
113 * reference
114 */
115 for (i = 0; info->parameters[i]; i++) {
116 acpi_ut_add_reference (info->parameters[i]);
117 }
118 }
119
120 /*
121 * 1) Perform the first pass parse of the method to enter any
122 * named objects that it creates into the namespace
123 */
124 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
125 "**** Begin Method Parse **** Entry=%p obj=%p\n",
126 info->node, obj_desc));
127
128 /* Create and init a Root Node */
129
130 op = acpi_ps_create_scope_op ();
131 if (!op) {
132 status = AE_NO_MEMORY;
133 goto cleanup1;
134 }
135
136 /* 112 /*
137 * Get a new owner_id for objects created by this method. Namespace 113 * Get a new owner_id for objects created by this method. Namespace
138 * objects (such as Operation Regions) can be created during the 114 * objects (such as Operation Regions) can be created during the
139 * first pass parse. 115 * first pass parse.
140 */ 116 */
141 status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id); 117 status = acpi_ut_allocate_owner_id (&info->obj_desc->method.owner_id);
142 if (ACPI_FAILURE (status)) { 118 if (ACPI_FAILURE (status)) {
143 goto cleanup2; 119 return_ACPI_STATUS (status);
144 }
145
146 /* Create and initialize a new walk state */
147
148 walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
149 NULL, NULL, NULL);
150 if (!walk_state) {
151 status = AE_NO_MEMORY;
152 goto cleanup2;
153 } 120 }
154 121
155 status = acpi_ds_init_aml_walk (walk_state, op, info->node, 122 /*
156 obj_desc->method.aml_start, 123 * The caller "owns" the parameters, so give each one an extra
157 obj_desc->method.aml_length, NULL, 1); 124 * reference
158 if (ACPI_FAILURE (status)) { 125 */
159 goto cleanup3; 126 acpi_ps_update_parameter_list (info, REF_INCREMENT);
160 }
161 127
162 /* Parse the AML */ 128 /*
129 * 1) Perform the first pass parse of the method to enter any
130 * named objects that it creates into the namespace
131 */
132 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
133 "**** Begin Method Parse **** Entry=%p obj=%p\n",
134 info->node, info->obj_desc));
163 135
164 status = acpi_ps_parse_aml (walk_state); 136 info->pass_number = 1;
165 acpi_ps_delete_parse_tree (op); 137 status = acpi_ps_execute_pass (info);
166 if (ACPI_FAILURE (status)) { 138 if (ACPI_FAILURE (status)) {
167 goto cleanup1; /* Walk state is already deleted */ 139 goto cleanup;
168 } 140 }
169 141
170 /* 142 /*
171 * 2) Execute the method. Performs second pass parse simultaneously 143 * 2) Execute the method. Performs second pass parse simultaneously
172 */ 144 */
173 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 145 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
174 "**** Begin Method Execution **** Entry=%p obj=%p\n", 146 "**** Begin Method Execution **** Entry=%p obj=%p\n",
175 info->node, obj_desc)); 147 info->node, info->obj_desc));
176 148
177 /* Create and init a Root Node */ 149 info->pass_number = 3;
150 status = acpi_ps_execute_pass (info);
178 151
179 op = acpi_ps_create_scope_op (); 152
180 if (!op) { 153cleanup:
181 status = AE_NO_MEMORY; 154 if (info->obj_desc->method.owner_id) {
182 goto cleanup1; 155 acpi_ut_release_owner_id (&info->obj_desc->method.owner_id);
183 } 156 }
184 157
185 /* Init new op with the method name and pointer back to the NS node */ 158 /* Take away the extra reference that we gave the parameters above */
186 159
187 acpi_ps_set_name (op, info->node->name.integer); 160 acpi_ps_update_parameter_list (info, REF_DECREMENT);
188 op->common.node = info->node;
189 161
190 /* Create and initialize a new walk state */ 162 /* Exit now if error above */
191 163
192 walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL); 164 if (ACPI_FAILURE (status)) {
193 if (!walk_state) { 165 return_ACPI_STATUS (status);
194 status = AE_NO_MEMORY;
195 goto cleanup2;
196 } 166 }
197 167
198 status = acpi_ds_init_aml_walk (walk_state, op, info->node, 168 /*
199 obj_desc->method.aml_start, 169 * If the method has returned an object, signal this to the caller with
200 obj_desc->method.aml_length, info, 3); 170 * a control exception code
201 if (ACPI_FAILURE (status)) { 171 */
202 goto cleanup3; 172 if (info->return_object) {
173 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
174 info->return_object));
175 ACPI_DUMP_STACK_ENTRY (info->return_object);
176
177 status = AE_CTRL_RETURN_VALUE;
203 } 178 }
204 179
205 /* The walk of the parse tree is where we actually execute the method */ 180 return_ACPI_STATUS (status);
181}
206 182
207 status = acpi_ps_parse_aml (walk_state);
208 goto cleanup2; /* Walk state already deleted */
209 183
184/*******************************************************************************
185 *
186 * FUNCTION: acpi_ps_update_parameter_list
187 *
188 * PARAMETERS: Info - See struct acpi_parameter_info
189 * (Used: parameter_type and Parameters)
190 * Action - Add or Remove reference
191 *
192 * RETURN: Status
193 *
194 * DESCRIPTION: Update reference count on all method parameter objects
195 *
196 ******************************************************************************/
210 197
211cleanup3: 198static void
212 acpi_ds_delete_walk_state (walk_state); 199acpi_ps_update_parameter_list (
200 struct acpi_parameter_info *info,
201 u16 action)
202{
203 acpi_native_uint i;
213 204
214cleanup2:
215 acpi_ps_delete_parse_tree (op);
216 205
217cleanup1:
218 if ((info->parameter_type == ACPI_PARAM_ARGS) && 206 if ((info->parameter_type == ACPI_PARAM_ARGS) &&
219 (info->parameters)) { 207 (info->parameters)) {
220 /* Take away the extra reference that we gave the parameters above */ 208 /* Update reference count for each parameter */
221 209
222 for (i = 0; info->parameters[i]; i++) { 210 for (i = 0; info->parameters[i]; i++) {
223 /* Ignore errors, just do them all */ 211 /* Ignore errors, just do them all */
224 212
225 (void) acpi_ut_update_object_reference ( 213 (void) acpi_ut_update_object_reference (info->parameters[i], action);
226 info->parameters[i], REF_DECREMENT);
227 } 214 }
228 } 215 }
216}
229 217
230 if (ACPI_FAILURE (status)) { 218
231 return_ACPI_STATUS (status); 219/*******************************************************************************
220 *
221 * FUNCTION: acpi_ps_execute_pass
222 *
223 * PARAMETERS: Info - See struct acpi_parameter_info
224 * (Used: pass_number, Node, and obj_desc)
225 *
226 * RETURN: Status
227 *
228 * DESCRIPTION: Single AML pass: Parse or Execute a control method
229 *
230 ******************************************************************************/
231
232static acpi_status
233acpi_ps_execute_pass (
234 struct acpi_parameter_info *info)
235{
236 acpi_status status;
237 union acpi_parse_object *op;
238 struct acpi_walk_state *walk_state;
239
240
241 ACPI_FUNCTION_TRACE ("ps_execute_pass");
242
243
244 /* Create and init a Root Node */
245
246 op = acpi_ps_create_scope_op ();
247 if (!op) {
248 return_ACPI_STATUS (AE_NO_MEMORY);
232 } 249 }
233 250
234 /* 251 /* Create and initialize a new walk state */
235 * If the method has returned an object, signal this to the caller with
236 * a control exception code
237 */
238 if (info->return_object) {
239 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
240 info->return_object));
241 ACPI_DUMP_STACK_ENTRY (info->return_object);
242 252
243 status = AE_CTRL_RETURN_VALUE; 253 walk_state = acpi_ds_create_walk_state (
254 info->obj_desc->method.owner_id, NULL, NULL, NULL);
255 if (!walk_state) {
256 status = AE_NO_MEMORY;
257 goto cleanup;
258 }
259
260 status = acpi_ds_init_aml_walk (walk_state, op, info->node,
261 info->obj_desc->method.aml_start,
262 info->obj_desc->method.aml_length,
263 info->pass_number == 1 ? NULL : info,
264 info->pass_number);
265 if (ACPI_FAILURE (status)) {
266 acpi_ds_delete_walk_state (walk_state);
267 goto cleanup;
244 } 268 }
245 269
270 /* Parse the AML */
271
272 status = acpi_ps_parse_aml (walk_state);
273
274 /* Walk state was deleted by parse_aml */
275
276cleanup:
277 acpi_ps_delete_parse_tree (op);
246 return_ACPI_STATUS (status); 278 return_ACPI_STATUS (status);
247} 279}
248 280
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 2ad72f204551..698799901f55 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -124,9 +124,7 @@ acpi_tb_match_signature (
124 * 124 *
125 * RETURN: Status 125 * RETURN: Status
126 * 126 *
127 * DESCRIPTION: Load and validate all tables other than the RSDT. The RSDT must 127 * DESCRIPTION: Install the table into the global data structures.
128 * already be loaded and validated.
129 * Install the table into the global data structs.
130 * 128 *
131 ******************************************************************************/ 129 ******************************************************************************/
132 130
@@ -136,6 +134,7 @@ acpi_tb_install_table (
136{ 134{
137 acpi_status status; 135 acpi_status status;
138 136
137
139 ACPI_FUNCTION_TRACE ("tb_install_table"); 138 ACPI_FUNCTION_TRACE ("tb_install_table");
140 139
141 140
@@ -143,22 +142,33 @@ acpi_tb_install_table (
143 142
144 status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES); 143 status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES);
145 if (ACPI_FAILURE (status)) { 144 if (ACPI_FAILURE (status)) {
146 ACPI_REPORT_ERROR (("Could not acquire table mutex for [%4.4s], %s\n", 145 ACPI_REPORT_ERROR (("Could not acquire table mutex, %s\n",
147 table_info->pointer->signature, acpi_format_exception (status))); 146 acpi_format_exception (status)));
148 return_ACPI_STATUS (status); 147 return_ACPI_STATUS (status);
149 } 148 }
150 149
150 /*
151 * Ignore a table that is already installed. For example, some BIOS
152 * ASL code will repeatedly attempt to load the same SSDT.
153 */
154 status = acpi_tb_is_table_installed (table_info);
155 if (ACPI_FAILURE (status)) {
156 goto unlock_and_exit;
157 }
158
151 /* Install the table into the global data structure */ 159 /* Install the table into the global data structure */
152 160
153 status = acpi_tb_init_table_descriptor (table_info->type, table_info); 161 status = acpi_tb_init_table_descriptor (table_info->type, table_info);
154 if (ACPI_FAILURE (status)) { 162 if (ACPI_FAILURE (status)) {
155 ACPI_REPORT_ERROR (("Could not install ACPI table [%4.4s], %s\n", 163 ACPI_REPORT_ERROR (("Could not install table [%4.4s], %s\n",
156 table_info->pointer->signature, acpi_format_exception (status))); 164 table_info->pointer->signature, acpi_format_exception (status)));
157 } 165 }
158 166
159 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n", 167 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n",
160 acpi_gbl_table_data[table_info->type].name, table_info->pointer)); 168 acpi_gbl_table_data[table_info->type].name, table_info->pointer));
161 169
170
171unlock_and_exit:
162 (void) acpi_ut_release_mutex (ACPI_MTX_TABLES); 172 (void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
163 return_ACPI_STATUS (status); 173 return_ACPI_STATUS (status);
164} 174}
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index e69d01d443d2..6fc1e36e6042 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -61,6 +61,67 @@ acpi_tb_handle_to_object (
61 61
62/******************************************************************************* 62/*******************************************************************************
63 * 63 *
64 * FUNCTION: acpi_tb_is_table_installed
65 *
66 * PARAMETERS: new_table_desc - Descriptor for new table being installed
67 *
68 * RETURN: Status - AE_ALREADY_EXISTS if the table is already installed
69 *
70 * DESCRIPTION: Determine if an ACPI table is already installed
71 *
72 * MUTEX: Table data structures should be locked
73 *
74 ******************************************************************************/
75
76acpi_status
77acpi_tb_is_table_installed (
78 struct acpi_table_desc *new_table_desc)
79{
80 struct acpi_table_desc *table_desc;
81
82
83 ACPI_FUNCTION_TRACE ("tb_is_table_installed");
84
85
86 /* Get the list descriptor and first table descriptor */
87
88 table_desc = acpi_gbl_table_lists[new_table_desc->type].next;
89
90 /* Examine all installed tables of this type */
91
92 while (table_desc) {
93 /* Compare Revision and oem_table_id */
94
95 if ((table_desc->loaded_into_namespace) &&
96 (table_desc->pointer->revision ==
97 new_table_desc->pointer->revision) &&
98 (!ACPI_MEMCMP (table_desc->pointer->oem_table_id,
99 new_table_desc->pointer->oem_table_id, 8))) {
100 /* This table is already installed */
101
102 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
103 "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
104 new_table_desc->pointer->signature,
105 new_table_desc->pointer->revision,
106 new_table_desc->pointer->oem_table_id));
107
108 new_table_desc->owner_id = table_desc->owner_id;
109 new_table_desc->installed_desc = table_desc;
110
111 return_ACPI_STATUS (AE_ALREADY_EXISTS);
112 }
113
114 /* Get next table on the list */
115
116 table_desc = table_desc->next;
117 }
118
119 return_ACPI_STATUS (AE_OK);
120}
121
122
123/*******************************************************************************
124 *
64 * FUNCTION: acpi_tb_validate_table_header 125 * FUNCTION: acpi_tb_validate_table_header
65 * 126 *
66 * PARAMETERS: table_header - Logical pointer to the table 127 * PARAMETERS: table_header - Logical pointer to the table
@@ -157,7 +218,7 @@ acpi_tb_verify_table_checksum (
157 218
158 /* Compute the checksum on the table */ 219 /* Compute the checksum on the table */
159 220
160 checksum = acpi_tb_checksum (table_header, table_header->length); 221 checksum = acpi_tb_generate_checksum (table_header, table_header->length);
161 222
162 /* Return the appropriate exception */ 223 /* Return the appropriate exception */
163 224
@@ -175,7 +236,7 @@ acpi_tb_verify_table_checksum (
175 236
176/******************************************************************************* 237/*******************************************************************************
177 * 238 *
178 * FUNCTION: acpi_tb_checksum 239 * FUNCTION: acpi_tb_generate_checksum
179 * 240 *
180 * PARAMETERS: Buffer - Buffer to checksum 241 * PARAMETERS: Buffer - Buffer to checksum
181 * Length - Size of the buffer 242 * Length - Size of the buffer
@@ -187,7 +248,7 @@ acpi_tb_verify_table_checksum (
187 ******************************************************************************/ 248 ******************************************************************************/
188 249
189u8 250u8
190acpi_tb_checksum ( 251acpi_tb_generate_checksum (
191 void *buffer, 252 void *buffer,
192 u32 length) 253 u32 length)
193{ 254{
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index ca2dbdd23ed3..e18a05d1b9b3 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -182,10 +182,23 @@ acpi_load_table (
182 return_ACPI_STATUS (status); 182 return_ACPI_STATUS (status);
183 } 183 }
184 184
185 /* Check signature for a valid table type */
186
187 status = acpi_tb_recognize_table (&table_info, ACPI_TABLE_ALL);
188 if (ACPI_FAILURE (status)) {
189 return_ACPI_STATUS (status);
190 }
191
185 /* Install the new table into the local data structures */ 192 /* Install the new table into the local data structures */
186 193
187 status = acpi_tb_install_table (&table_info); 194 status = acpi_tb_install_table (&table_info);
188 if (ACPI_FAILURE (status)) { 195 if (ACPI_FAILURE (status)) {
196 if (status == AE_ALREADY_EXISTS) {
197 /* Table already exists, no error */
198
199 status = AE_OK;
200 }
201
189 /* Free table allocated by acpi_tb_get_table_body */ 202 /* Free table allocated by acpi_tb_get_table_body */
190 203
191 acpi_tb_delete_single_table (&table_info); 204 acpi_tb_delete_single_table (&table_info);
@@ -261,6 +274,7 @@ acpi_unload_table (
261 * simply a position within the hierarchy 274 * simply a position within the hierarchy
262 */ 275 */
263 acpi_ns_delete_namespace_by_owner (table_desc->owner_id); 276 acpi_ns_delete_namespace_by_owner (table_desc->owner_id);
277 acpi_ut_release_owner_id (&table_desc->owner_id);
264 table_desc = table_desc->next; 278 table_desc = table_desc->next;
265 } 279 }
266 280
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index abb4c9346560..87dccdda9ae2 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -93,14 +93,14 @@ acpi_tb_validate_rsdp (
93 93
94 /* Check the standard checksum */ 94 /* Check the standard checksum */
95 95
96 if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { 96 if (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
97 return (AE_BAD_CHECKSUM); 97 return (AE_BAD_CHECKSUM);
98 } 98 }
99 99
100 /* Check extended checksum if table version >= 2 */ 100 /* Check extended checksum if table version >= 2 */
101 101
102 if ((rsdp->revision >= 2) && 102 if ((rsdp->revision >= 2) &&
103 (acpi_tb_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) { 103 (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
104 return (AE_BAD_CHECKSUM); 104 return (AE_BAD_CHECKSUM);
105 } 105 }
106 106
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index 5061c6f0ee66..78270f50e625 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -76,7 +76,7 @@ static acpi_status
76acpi_ut_create_list ( 76acpi_ut_create_list (
77 char *list_name, 77 char *list_name,
78 u16 object_size, 78 u16 object_size,
79 acpi_handle *return_cache); 79 struct acpi_memory_list **return_cache);
80#endif 80#endif
81 81
82 82
@@ -428,7 +428,7 @@ static acpi_status
428acpi_ut_create_list ( 428acpi_ut_create_list (
429 char *list_name, 429 char *list_name,
430 u16 object_size, 430 u16 object_size,
431 acpi_handle *return_cache) 431 struct acpi_memory_list **return_cache)
432{ 432{
433 struct acpi_memory_list *cache; 433 struct acpi_memory_list *cache;
434 434
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 3d5fbc810b0b..c27cbb7f5c54 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -55,6 +55,12 @@ static u32 acpi_gbl_prev_thread_id = 0xFFFFFFFF;
55static char *acpi_gbl_fn_entry_str = "----Entry"; 55static char *acpi_gbl_fn_entry_str = "----Entry";
56static char *acpi_gbl_fn_exit_str = "----Exit-"; 56static char *acpi_gbl_fn_exit_str = "----Exit-";
57 57
58/* Local prototypes */
59
60static const char *
61acpi_ut_trim_function_name (
62 const char *function_name);
63
58 64
59/******************************************************************************* 65/*******************************************************************************
60 * 66 *
@@ -72,7 +78,7 @@ void
72acpi_ut_init_stack_ptr_trace ( 78acpi_ut_init_stack_ptr_trace (
73 void) 79 void)
74{ 80{
75 u32 current_sp; 81 u32 current_sp;
76 82
77 83
78 acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL); 84 acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -95,7 +101,7 @@ void
95acpi_ut_track_stack_ptr ( 101acpi_ut_track_stack_ptr (
96 void) 102 void)
97{ 103{
98 acpi_size current_sp; 104 acpi_size current_sp;
99 105
100 106
101 current_sp = ACPI_PTR_DIFF (&current_sp, NULL); 107 current_sp = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -112,6 +118,43 @@ acpi_ut_track_stack_ptr (
112 118
113/******************************************************************************* 119/*******************************************************************************
114 * 120 *
121 * FUNCTION: acpi_ut_trim_function_name
122 *
123 * PARAMETERS: function_name - Ascii string containing a procedure name
124 *
125 * RETURN: Updated pointer to the function name
126 *
127 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
128 * This allows compiler macros such as __FUNCTION__ to be used
129 * with no change to the debug output.
130 *
131 ******************************************************************************/
132
133static const char *
134acpi_ut_trim_function_name (
135 const char *function_name)
136{
137
138 /* All Function names are longer than 4 chars, check is safe */
139
140 if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX1) {
141 /* This is the case where the original source has not been modified */
142
143 return (function_name + 4);
144 }
145
146 if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX2) {
147 /* This is the case where the source has been 'linuxized' */
148
149 return (function_name + 5);
150 }
151
152 return (function_name);
153}
154
155
156/*******************************************************************************
157 *
115 * FUNCTION: acpi_ut_debug_print 158 * FUNCTION: acpi_ut_debug_print
116 * 159 *
117 * PARAMETERS: requested_debug_level - Requested debug print level 160 * PARAMETERS: requested_debug_level - Requested debug print level
@@ -133,7 +176,7 @@ void ACPI_INTERNAL_VAR_XFACE
133acpi_ut_debug_print ( 176acpi_ut_debug_print (
134 u32 requested_debug_level, 177 u32 requested_debug_level,
135 u32 line_number, 178 u32 line_number,
136 char *function_name, 179 const char *function_name,
137 char *module_name, 180 char *module_name,
138 u32 component_id, 181 u32 component_id,
139 char *format, 182 char *format,
@@ -177,7 +220,7 @@ acpi_ut_debug_print (
177 } 220 }
178 221
179 acpi_os_printf ("[%02ld] %-22.22s: ", 222 acpi_os_printf ("[%02ld] %-22.22s: ",
180 acpi_gbl_nesting_level, function_name); 223 acpi_gbl_nesting_level, acpi_ut_trim_function_name (function_name));
181 224
182 va_start (args, format); 225 va_start (args, format);
183 acpi_os_vprintf (format, args); 226 acpi_os_vprintf (format, args);
@@ -208,7 +251,7 @@ void ACPI_INTERNAL_VAR_XFACE
208acpi_ut_debug_print_raw ( 251acpi_ut_debug_print_raw (
209 u32 requested_debug_level, 252 u32 requested_debug_level,
210 u32 line_number, 253 u32 line_number,
211 char *function_name, 254 const char *function_name,
212 char *module_name, 255 char *module_name,
213 u32 component_id, 256 u32 component_id,
214 char *format, 257 char *format,
@@ -247,7 +290,7 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
247void 290void
248acpi_ut_trace ( 291acpi_ut_trace (
249 u32 line_number, 292 u32 line_number,
250 char *function_name, 293 const char *function_name,
251 char *module_name, 294 char *module_name,
252 u32 component_id) 295 u32 component_id)
253{ 296{
@@ -282,7 +325,7 @@ EXPORT_SYMBOL(acpi_ut_trace);
282void 325void
283acpi_ut_trace_ptr ( 326acpi_ut_trace_ptr (
284 u32 line_number, 327 u32 line_number,
285 char *function_name, 328 const char *function_name,
286 char *module_name, 329 char *module_name,
287 u32 component_id, 330 u32 component_id,
288 void *pointer) 331 void *pointer)
@@ -316,7 +359,7 @@ acpi_ut_trace_ptr (
316void 359void
317acpi_ut_trace_str ( 360acpi_ut_trace_str (
318 u32 line_number, 361 u32 line_number,
319 char *function_name, 362 const char *function_name,
320 char *module_name, 363 char *module_name,
321 u32 component_id, 364 u32 component_id,
322 char *string) 365 char *string)
@@ -351,7 +394,7 @@ acpi_ut_trace_str (
351void 394void
352acpi_ut_trace_u32 ( 395acpi_ut_trace_u32 (
353 u32 line_number, 396 u32 line_number,
354 char *function_name, 397 const char *function_name,
355 char *module_name, 398 char *module_name,
356 u32 component_id, 399 u32 component_id,
357 u32 integer) 400 u32 integer)
@@ -385,7 +428,7 @@ acpi_ut_trace_u32 (
385void 428void
386acpi_ut_exit ( 429acpi_ut_exit (
387 u32 line_number, 430 u32 line_number,
388 char *function_name, 431 const char *function_name,
389 char *module_name, 432 char *module_name,
390 u32 component_id) 433 u32 component_id)
391{ 434{
@@ -419,7 +462,7 @@ EXPORT_SYMBOL(acpi_ut_exit);
419void 462void
420acpi_ut_status_exit ( 463acpi_ut_status_exit (
421 u32 line_number, 464 u32 line_number,
422 char *function_name, 465 const char *function_name,
423 char *module_name, 466 char *module_name,
424 u32 component_id, 467 u32 component_id,
425 acpi_status status) 468 acpi_status status)
@@ -463,7 +506,7 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
463void 506void
464acpi_ut_value_exit ( 507acpi_ut_value_exit (
465 u32 line_number, 508 u32 line_number,
466 char *function_name, 509 const char *function_name,
467 char *module_name, 510 char *module_name,
468 u32 component_id, 511 u32 component_id,
469 acpi_integer value) 512 acpi_integer value)
@@ -499,7 +542,7 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
499void 542void
500acpi_ut_ptr_exit ( 543acpi_ut_ptr_exit (
501 u32 line_number, 544 u32 line_number,
502 char *function_name, 545 const char *function_name,
503 char *module_name, 546 char *module_name,
504 u32 component_id, 547 u32 component_id,
505 u8 *ptr) 548 u8 *ptr)
@@ -607,8 +650,8 @@ acpi_ut_dump_buffer (
607 } 650 }
608 651
609 /* 652 /*
610 * Print the ASCII equivalent characters 653 * Print the ASCII equivalent characters but watch out for the bad
611 * But watch out for the bad unprintable ones... 654 * unprintable ones (printable chars are 0x20 through 0x7E)
612 */ 655 */
613 acpi_os_printf (" "); 656 acpi_os_printf (" ");
614 for (j = 0; j < 16; j++) { 657 for (j = 0; j < 16; j++) {
@@ -618,9 +661,7 @@ acpi_ut_dump_buffer (
618 } 661 }
619 662
620 buf_char = buffer[i + j]; 663 buf_char = buffer[i + j];
621 if ((buf_char > 0x1F && buf_char < 0x2E) || 664 if (ACPI_IS_PRINT (buf_char)) {
622 (buf_char > 0x2F && buf_char < 0x61) ||
623 (buf_char > 0x60 && buf_char < 0x7F)) {
624 acpi_os_printf ("%c", buf_char); 665 acpi_os_printf ("%c", buf_char);
625 } 666 }
626 else { 667 else {
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index df715cd89105..1d350b302a34 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -56,7 +56,11 @@
56 * 56 *
57 * PARAMETERS: owner_id - Where the new owner ID is returned 57 * PARAMETERS: owner_id - Where the new owner ID is returned
58 * 58 *
59 * DESCRIPTION: Allocate a table or method owner id 59 * RETURN: Status
60 *
61 * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
62 * track objects created by the table or method, to be deleted
63 * when the method exits or the table is unloaded.
60 * 64 *
61 ******************************************************************************/ 65 ******************************************************************************/
62 66
@@ -71,6 +75,8 @@ acpi_ut_allocate_owner_id (
71 ACPI_FUNCTION_TRACE ("ut_allocate_owner_id"); 75 ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
72 76
73 77
78 /* Mutex for the global ID mask */
79
74 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES); 80 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
75 if (ACPI_FAILURE (status)) { 81 if (ACPI_FAILURE (status)) {
76 return_ACPI_STATUS (status); 82 return_ACPI_STATUS (status);
@@ -81,7 +87,7 @@ acpi_ut_allocate_owner_id (
81 for (i = 0; i < 32; i++) { 87 for (i = 0; i < 32; i++) {
82 if (!(acpi_gbl_owner_id_mask & (1 << i))) { 88 if (!(acpi_gbl_owner_id_mask & (1 << i))) {
83 acpi_gbl_owner_id_mask |= (1 << i); 89 acpi_gbl_owner_id_mask |= (1 << i);
84 *owner_id = (acpi_owner_id) i; 90 *owner_id = (acpi_owner_id) (i + 1);
85 goto exit; 91 goto exit;
86 } 92 }
87 } 93 }
@@ -93,6 +99,7 @@ acpi_ut_allocate_owner_id (
93 * they are released when a table is unloaded or a method completes 99 * they are released when a table is unloaded or a method completes
94 * execution. 100 * execution.
95 */ 101 */
102 *owner_id = 0;
96 status = AE_OWNER_ID_LIMIT; 103 status = AE_OWNER_ID_LIMIT;
97 ACPI_REPORT_ERROR (( 104 ACPI_REPORT_ERROR ((
98 "Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n")); 105 "Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
@@ -107,40 +114,55 @@ exit:
107 * 114 *
108 * FUNCTION: acpi_ut_release_owner_id 115 * FUNCTION: acpi_ut_release_owner_id
109 * 116 *
110 * PARAMETERS: owner_id - A previously allocated owner ID 117 * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_iD
111 * 118 *
112 * DESCRIPTION: Release a table or method owner id 119 * RETURN: None. No error is returned because we are either exiting a
120 * control method or unloading a table. Either way, we would
121 * ignore any error anyway.
122 *
123 * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 32
113 * 124 *
114 ******************************************************************************/ 125 ******************************************************************************/
115 126
116acpi_status 127void
117acpi_ut_release_owner_id ( 128acpi_ut_release_owner_id (
118 acpi_owner_id owner_id) 129 acpi_owner_id *owner_id_ptr)
119{ 130{
131 acpi_owner_id owner_id = *owner_id_ptr;
120 acpi_status status; 132 acpi_status status;
121 133
122 134
123 ACPI_FUNCTION_TRACE ("ut_release_owner_id"); 135 ACPI_FUNCTION_TRACE ("ut_release_owner_id");
124 136
125 137
138 /* Always clear the input owner_id (zero is an invalid ID) */
139
140 *owner_id_ptr = 0;
141
142 /* Zero is not a valid owner_iD */
143
144 if ((owner_id == 0) || (owner_id > 32)) {
145 ACPI_REPORT_ERROR (("Invalid owner_id: %2.2X\n", owner_id));
146 return_VOID;
147 }
148
149 /* Mutex for the global ID mask */
150
126 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES); 151 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
127 if (ACPI_FAILURE (status)) { 152 if (ACPI_FAILURE (status)) {
128 return_ACPI_STATUS (status); 153 return_VOID;
129 } 154 }
130 155
131 /* Free the owner ID */ 156 owner_id--; /* Normalize to zero */
157
158 /* Free the owner ID only if it is valid */
132 159
133 if (acpi_gbl_owner_id_mask & (1 << owner_id)) { 160 if (acpi_gbl_owner_id_mask & (1 << owner_id)) {
134 acpi_gbl_owner_id_mask ^= (1 << owner_id); 161 acpi_gbl_owner_id_mask ^= (1 << owner_id);
135 } 162 }
136 else {
137 /* This owner_id has not been allocated */
138
139 status = AE_NOT_EXIST;
140 }
141 163
142 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES); 164 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
143 return_ACPI_STATUS (status); 165 return_VOID;
144} 166}
145 167
146 168
@@ -150,7 +172,7 @@ acpi_ut_release_owner_id (
150 * 172 *
151 * PARAMETERS: src_string - The source string to convert 173 * PARAMETERS: src_string - The source string to convert
152 * 174 *
153 * RETURN: Converted src_string (same as input pointer) 175 * RETURN: None
154 * 176 *
155 * DESCRIPTION: Convert string to uppercase 177 * DESCRIPTION: Convert string to uppercase
156 * 178 *
@@ -158,7 +180,7 @@ acpi_ut_release_owner_id (
158 * 180 *
159 ******************************************************************************/ 181 ******************************************************************************/
160 182
161char * 183void
162acpi_ut_strupr ( 184acpi_ut_strupr (
163 char *src_string) 185 char *src_string)
164{ 186{
@@ -169,7 +191,7 @@ acpi_ut_strupr (
169 191
170 192
171 if (!src_string) { 193 if (!src_string) {
172 return (NULL); 194 return;
173 } 195 }
174 196
175 /* Walk entire string, uppercasing the letters */ 197 /* Walk entire string, uppercasing the letters */
@@ -178,7 +200,7 @@ acpi_ut_strupr (
178 *string = (char) ACPI_TOUPPER (*string); 200 *string = (char) ACPI_TOUPPER (*string);
179 } 201 }
180 202
181 return (src_string); 203 return;
182} 204}
183 205
184 206
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-04 23:28:52 -0400