aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/bus.c2
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c2
-rw-r--r--drivers/acpi/dispatcher/dswexec.c1
-rw-r--r--drivers/acpi/events/evrgnini.c13
-rw-r--r--drivers/acpi/executer/exdump.c6
-rw-r--r--drivers/acpi/executer/exnames.c2
-rw-r--r--drivers/acpi/hardware/hwtimer.c4
-rw-r--r--drivers/acpi/namespace/nsalloc.c2
-rw-r--r--drivers/acpi/namespace/nsdump.c3
-rw-r--r--drivers/acpi/namespace/nssearch.c50
-rw-r--r--drivers/acpi/parser/psloop.c12
-rw-r--r--drivers/acpi/parser/psscope.c4
-rw-r--r--drivers/acpi/resources/rslist.c8
-rw-r--r--drivers/acpi/system.c2
-rw-r--r--drivers/acpi/tables.c4
-rw-r--r--drivers/acpi/tables/tbconvrt.c31
-rw-r--r--drivers/acpi/tables/tbrsdt.c3
-rw-r--r--drivers/acpi/tables/tbutils.c122
-rw-r--r--drivers/acpi/tables/tbxfroot.c9
-rw-r--r--drivers/acpi/utilities/utdebug.c38
-rw-r--r--drivers/acpi/utilities/utdelete.c16
-rw-r--r--drivers/acpi/utilities/utglobal.c2
-rw-r--r--drivers/acpi/utilities/utinit.c6
-rw-r--r--drivers/acpi/utilities/utmisc.c104
-rw-r--r--drivers/acpi/utilities/utresrc.c6
-rw-r--r--drivers/acpi/utilities/utstate.c10
26 files changed, 329 insertions, 133 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 9c4ac0191f64..b3a214db56f6 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;
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 238916ce5412..7dc59fc7344f 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -502,7 +502,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state)
502 * Delete any namespace entries created immediately underneath 502 * Delete any namespace entries created immediately underneath
503 * the method 503 * the method
504 */ 504 */
505 if (method_node->child) { 505 if (method_node && method_node->child) {
506 acpi_ns_delete_namespace_subtree(method_node); 506 acpi_ns_delete_namespace_subtree(method_node);
507 } 507 }
508 508
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index 198949f41048..8b740b370eb1 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")
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index db98747fe54d..d1809f4240a4 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -75,7 +75,18 @@ acpi_ev_system_memory_region_setup(acpi_handle handle,
75 75
76 if (function == ACPI_REGION_DEACTIVATE) { 76 if (function == ACPI_REGION_DEACTIVATE) {
77 if (*region_context) { 77 if (*region_context) {
78 ACPI_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);
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 56db58b8e23a..1dfebf9e7074 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
@@ -263,7 +267,7 @@ 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"},
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 80bbc20756a1..085b18f8dd00 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -179,7 +179,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
179 179
180 for (index = 0; 180 for (index = 0;
181 (index < ACPI_NAME_SIZE) 181 (index < ACPI_NAME_SIZE)
182 && (acpi_ut_valid_acpi_character(*aml_address)); index++) { 182 && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) {
183 char_buf[index] = *aml_address++; 183 char_buf[index] = *aml_address++;
184 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); 184 ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index]));
185 } 185 }
diff --git a/drivers/acpi/hardware/hwtimer.c b/drivers/acpi/hardware/hwtimer.c
index 9d53e46bc331..a559ac17b132 100644
--- a/drivers/acpi/hardware/hwtimer.c
+++ b/drivers/acpi/hardware/hwtimer.c
@@ -66,7 +66,7 @@ acpi_status acpi_get_timer_resolution(u32 * resolution)
66 return_ACPI_STATUS(AE_BAD_PARAMETER); 66 return_ACPI_STATUS(AE_BAD_PARAMETER);
67 } 67 }
68 68
69 if (0 == acpi_gbl_FADT->tmr_val_ext) { 69 if (acpi_gbl_FADT->tmr_val_ext == 0) {
70 *resolution = 24; 70 *resolution = 24;
71 } else { 71 } else {
72 *resolution = 32; 72 *resolution = 32;
@@ -153,7 +153,7 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed)
153 if (start_ticks < end_ticks) { 153 if (start_ticks < end_ticks) {
154 delta_ticks = end_ticks - start_ticks; 154 delta_ticks = end_ticks - start_ticks;
155 } else if (start_ticks > end_ticks) { 155 } else if (start_ticks > end_ticks) {
156 if (0 == acpi_gbl_FADT->tmr_val_ext) { 156 if (acpi_gbl_FADT->tmr_val_ext == 0) {
157 157
158 /* 24-bit Timer */ 158 /* 24-bit Timer */
159 159
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 8b921c96d6a5..c92c03693a16 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -211,6 +211,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
211 acpi_ut_get_node_name(parent_node), 211 acpi_ut_get_node_name(parent_node),
212 acpi_ut_get_type_name(parent_node->type), 212 acpi_ut_get_type_name(parent_node->type),
213 parent_node)); 213 parent_node));
214
215 return_VOID;
214} 216}
215 217
216/******************************************************************************* 218/*******************************************************************************
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index e275373b1705..5662d2def62f 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -204,6 +204,9 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
204 } 204 }
205 205
206 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
207 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X", 210 ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X",
208 this_node->name.integer)); 211 this_node->name.integer));
209 } 212 }
diff --git a/drivers/acpi/namespace/nssearch.c b/drivers/acpi/namespace/nssearch.c
index c929f45071c0..51adec5a23d6 100644
--- a/drivers/acpi/namespace/nssearch.c
+++ b/drivers/acpi/namespace/nssearch.c
@@ -128,9 +128,8 @@ acpi_ns_search_node(u32 target_name,
128 next_node->object); 128 next_node->object);
129 } 129 }
130 130
131 /* 131 /* Found matching entry */
132 * Found matching entry. 132
133 */
134 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 133 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
135 "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n", 134 "Name [%4.4s] (%s) %p found in scope [%4.4s] %p\n",
136 ACPI_CAST_PTR(char, &target_name), 135 ACPI_CAST_PTR(char, &target_name),
@@ -248,10 +247,8 @@ acpi_ns_search_parent_tree(u32 target_name,
248 return_ACPI_STATUS(status); 247 return_ACPI_STATUS(status);
249 } 248 }
250 249
251 /* 250 /* Not found here, go up another level (until we reach the root) */
252 * Not found here, go up another level 251
253 * (until we reach the root)
254 */
255 parent_node = acpi_ns_get_parent_node(parent_node); 252 parent_node = acpi_ns_get_parent_node(parent_node);
256 } 253 }
257 254
@@ -307,12 +304,29 @@ acpi_ns_search_and_enter(u32 target_name,
307 return_ACPI_STATUS(AE_BAD_PARAMETER); 304 return_ACPI_STATUS(AE_BAD_PARAMETER);
308 } 305 }
309 306
310 /* Name must consist of printable characters */ 307 /*
311 308 * Name must consist of valid ACPI characters. We will repair the name if
309 * necessary because we don't want to abort because of this, but we want
310 * all namespace names to be printable. A warning message is appropriate.
311 *
312 * This issue came up because there are in fact machines that exhibit
313 * this problem, and we want to be able to enable ACPI support for them,
314 * even though there are a few bad names.
315 */
312 if (!acpi_ut_valid_acpi_name(target_name)) { 316 if (!acpi_ut_valid_acpi_name(target_name)) {
313 ACPI_ERROR((AE_INFO, "Bad character in ACPI Name: %X", 317 target_name = acpi_ut_repair_name(target_name);
314 target_name)); 318
315 return_ACPI_STATUS(AE_BAD_CHARACTER); 319 /* Report warning only if in strict mode or debug mode */
320
321 if (!acpi_gbl_enable_interpreter_slack) {
322 ACPI_WARNING((AE_INFO,
323 "Found bad character(s) in name, repaired: [%4.4s]\n",
324 ACPI_CAST_PTR(char, &target_name)));
325 } else {
326 ACPI_DEBUG_PRINT((ACPI_DB_WARN,
327 "Found bad character(s) in name, repaired: [%4.4s]\n",
328 ACPI_CAST_PTR(char, &target_name)));
329 }
316 } 330 }
317 331
318 /* Try to find the name in the namespace level specified by the caller */ 332 /* Try to find the name in the namespace level specified by the caller */
@@ -328,10 +342,8 @@ acpi_ns_search_and_enter(u32 target_name,
328 status = AE_ALREADY_EXISTS; 342 status = AE_ALREADY_EXISTS;
329 } 343 }
330 344
331 /* 345 /* Either found it or there was an error: finished either way */
332 * Either found it or there was an error 346
333 * -- finished either way
334 */
335 return_ACPI_STATUS(status); 347 return_ACPI_STATUS(status);
336 } 348 }
337 349
@@ -357,9 +369,8 @@ acpi_ns_search_and_enter(u32 target_name,
357 } 369 }
358 } 370 }
359 371
360 /* 372 /* In execute mode, just search, never add names. Exit now */
361 * In execute mode, just search, never add names. Exit now. 373
362 */
363 if (interpreter_mode == ACPI_IMODE_EXECUTE) { 374 if (interpreter_mode == ACPI_IMODE_EXECUTE) {
364 ACPI_DEBUG_PRINT((ACPI_DB_NAMES, 375 ACPI_DEBUG_PRINT((ACPI_DB_NAMES,
365 "%4.4s Not found in %p [Not adding]\n", 376 "%4.4s Not found in %p [Not adding]\n",
@@ -379,6 +390,5 @@ acpi_ns_search_and_enter(u32 target_name,
379 390
380 acpi_ns_install_node(walk_state, node, new_node, type); 391 acpi_ns_install_node(walk_state, node, new_node, type);
381 *return_node = new_node; 392 *return_node = new_node;
382
383 return_ACPI_STATUS(AE_OK); 393 return_ACPI_STATUS(AE_OK);
384} 394}
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index 14052cb648c1..3a29ce680370 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -747,7 +747,19 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
747 if (ACPI_FAILURE(status2)) { 747 if (ACPI_FAILURE(status2)) {
748 return_ACPI_STATUS(status2); 748 return_ACPI_STATUS(status2);
749 } 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));
750 } 761 }
762
751 acpi_ps_pop_scope(parser_state, &op, 763 acpi_ps_pop_scope(parser_state, &op,
752 &walk_state->arg_types, 764 &walk_state->arg_types,
753 &walk_state->arg_count); 765 &walk_state->arg_count);
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c
index 9233a4044d6b..424ab1c20da5 100644
--- a/drivers/acpi/parser/psscope.c
+++ b/drivers/acpi/parser/psscope.c
@@ -143,7 +143,7 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state,
143acpi_status 143acpi_status
144acpi_ps_push_scope(struct acpi_parse_state *parser_state, 144acpi_ps_push_scope(struct acpi_parse_state *parser_state,
145 union acpi_parse_object *op, 145 union acpi_parse_object *op,
146 u32 remaining_args, u8 arg_count) 146 u32 remaining_args, u32 arg_count)
147{ 147{
148 union acpi_generic_state *scope; 148 union acpi_generic_state *scope;
149 149
@@ -196,7 +196,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state,
196 196
197void 197void
198acpi_ps_pop_scope(struct acpi_parse_state *parser_state, 198acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
199 union acpi_parse_object **op, u32 * arg_list, u8 * arg_count) 199 union acpi_parse_object **op, u32 * arg_list, u32 * arg_count)
200{ 200{
201 union acpi_generic_state *scope = parser_state->scope; 201 union acpi_generic_state *scope = parser_state->scope;
202 202
diff --git a/drivers/acpi/resources/rslist.c b/drivers/acpi/resources/rslist.c
index 50bbb19bf4ae..1b2d1e717e74 100644
--- a/drivers/acpi/resources/rslist.c
+++ b/drivers/acpi/resources/rslist.c
@@ -64,10 +64,11 @@ ACPI_MODULE_NAME("rslist")
64acpi_status 64acpi_status
65acpi_rs_convert_aml_to_resources(u8 * aml, 65acpi_rs_convert_aml_to_resources(u8 * aml,
66 u32 length, 66 u32 length,
67 u32 offset, 67 u32 offset, u8 resource_index, void **context)
68 u8 resource_index, void **resource_ptr)
69{ 68{
70 struct acpi_resource *resource = *resource_ptr; 69 struct acpi_resource **resource_ptr =
70 ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context);
71 struct acpi_resource *resource;
71 acpi_status status; 72 acpi_status status;
72 73
73 ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources"); 74 ACPI_FUNCTION_TRACE("rs_convert_aml_to_resources");
@@ -76,6 +77,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
76 * Check that the input buffer and all subsequent pointers into it 77 * Check that the input buffer and all subsequent pointers into it
77 * are aligned on a native word boundary. Most important on IA64 78 * are aligned on a native word boundary. Most important on IA64
78 */ 79 */
80 resource = *resource_ptr;
79 if (ACPI_IS_MISALIGNED(resource)) { 81 if (ACPI_IS_MISALIGNED(resource)) {
80 ACPI_WARNING((AE_INFO, 82 ACPI_WARNING((AE_INFO,
81 "Misaligned resource pointer %p", resource)); 83 "Misaligned resource pointer %p", resource));
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index e4308c7a6743..1943bec18848 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)
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 5155b27cf032..a913a927d321 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -54,12 +54,12 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
54 acpi_physical_address address); 54 acpi_physical_address address);
55 55
56static void 56static void
57acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, 57acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
58 struct fadt_descriptor_rev1 *original_fadt); 58 struct fadt_descriptor_rev1 *original_fadt);
59 59
60static void 60static void
61acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, 61acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
62 struct fadt_descriptor_rev2 *original_fadt); 62 struct fadt_descriptor *original_fadt);
63 63
64u8 acpi_fadt_is_v1; 64u8 acpi_fadt_is_v1;
65ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1) 65ACPI_EXPORT_SYMBOL(acpi_fadt_is_v1)
@@ -120,7 +120,7 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
120{ 120{
121 acpi_size table_size; 121 acpi_size table_size;
122 u32 i; 122 u32 i;
123 XSDT_DESCRIPTOR *new_table; 123 struct xsdt_descriptor *new_table;
124 124
125 ACPI_FUNCTION_ENTRY(); 125 ACPI_FUNCTION_ENTRY();
126 126
@@ -151,12 +151,12 @@ acpi_status acpi_tb_convert_to_xsdt(struct acpi_table_desc *table_info)
151 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { 151 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
152 ACPI_STORE_ADDRESS(new_table->table_offset_entry[i], 152 ACPI_STORE_ADDRESS(new_table->table_offset_entry[i],
153 (ACPI_CAST_PTR 153 (ACPI_CAST_PTR
154 (struct rsdt_descriptor_rev1, 154 (struct rsdt_descriptor,
155 table_info->pointer))-> 155 table_info->pointer))->
156 table_offset_entry[i]); 156 table_offset_entry[i]);
157 } else { 157 } else {
158 new_table->table_offset_entry[i] = 158 new_table->table_offset_entry[i] =
159 (ACPI_CAST_PTR(XSDT_DESCRIPTOR, 159 (ACPI_CAST_PTR(struct xsdt_descriptor,
160 table_info->pointer))-> 160 table_info->pointer))->
161 table_offset_entry[i]; 161 table_offset_entry[i];
162 } 162 }
@@ -218,7 +218,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct,
218 ******************************************************************************/ 218 ******************************************************************************/
219 219
220static void 220static void
221acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt, 221acpi_tb_convert_fadt1(struct fadt_descriptor *local_fadt,
222 struct fadt_descriptor_rev1 *original_fadt) 222 struct fadt_descriptor_rev1 *original_fadt)
223{ 223{
224 224
@@ -364,14 +364,13 @@ acpi_tb_convert_fadt1(struct fadt_descriptor_rev2 *local_fadt,
364 ******************************************************************************/ 364 ******************************************************************************/
365 365
366static void 366static void
367acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt, 367acpi_tb_convert_fadt2(struct fadt_descriptor *local_fadt,
368 struct fadt_descriptor_rev2 *original_fadt) 368 struct fadt_descriptor *original_fadt)
369{ 369{
370 370
371 /* 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 */
372 372
373 ACPI_MEMCPY(local_fadt, original_fadt, 373 ACPI_MEMCPY(local_fadt, original_fadt, sizeof(struct fadt_descriptor));
374 sizeof(struct fadt_descriptor_rev2));
375 374
376 /* 375 /*
377 * "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
@@ -490,7 +489,7 @@ acpi_tb_convert_fadt2(struct fadt_descriptor_rev2 *local_fadt,
490 489
491acpi_status acpi_tb_convert_table_fadt(void) 490acpi_status acpi_tb_convert_table_fadt(void)
492{ 491{
493 struct fadt_descriptor_rev2 *local_fadt; 492 struct fadt_descriptor *local_fadt;
494 struct acpi_table_desc *table_desc; 493 struct acpi_table_desc *table_desc;
495 494
496 ACPI_FUNCTION_TRACE("tb_convert_table_fadt"); 495 ACPI_FUNCTION_TRACE("tb_convert_table_fadt");
@@ -507,13 +506,13 @@ acpi_status acpi_tb_convert_table_fadt(void)
507 506
508 /* Allocate buffer for the ACPI 2.0(+) FADT */ 507 /* Allocate buffer for the ACPI 2.0(+) FADT */
509 508
510 local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor_rev2)); 509 local_fadt = ACPI_ALLOCATE_ZEROED(sizeof(struct fadt_descriptor));
511 if (!local_fadt) { 510 if (!local_fadt) {
512 return_ACPI_STATUS(AE_NO_MEMORY); 511 return_ACPI_STATUS(AE_NO_MEMORY);
513 } 512 }
514 513
515 if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) { 514 if (acpi_gbl_FADT->revision >= FADT2_REVISION_ID) {
516 if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor_rev2)) { 515 if (acpi_gbl_FADT->length < sizeof(struct fadt_descriptor)) {
517 516
518 /* Length is too short to be a V2.0 table */ 517 /* Length is too short to be a V2.0 table */
519 518
@@ -538,7 +537,7 @@ 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
@@ -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
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index 946d2f2d611d..9e0ebe625ed9 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -280,7 +280,8 @@ acpi_status acpi_tb_get_table_rsdt(void)
280 return_ACPI_STATUS(status); 280 return_ACPI_STATUS(status);
281 } 281 }
282 282
283 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);
284 285
285 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));
286 return_ACPI_STATUS(status); 287 return_ACPI_STATUS(status);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index b463d4b88823..f8d28ae8811d 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -193,73 +193,119 @@ acpi_tb_validate_table_header(struct acpi_table_header *table_header)
193 193
194/******************************************************************************* 194/*******************************************************************************
195 * 195 *
196 * FUNCTION: acpi_tb_verify_table_checksum 196 * FUNCTION: acpi_tb_sum_table
197 * 197 *
198 * PARAMETERS: *table_header - ACPI table to verify 198 * PARAMETERS: Buffer - Buffer to sum
199 * Length - Size of the buffer
199 * 200 *
200 * RETURN: 8 bit checksum of table 201 * RETURN: 8 bit sum of buffer
201 * 202 *
202 * DESCRIPTION: Does an 8 bit checksum of table and returns status. A correct 203 * DESCRIPTION: Computes an 8 bit sum of the buffer(length) and returns it.
203 * table should have a checksum of 0.
204 * 204 *
205 ******************************************************************************/ 205 ******************************************************************************/
206 206
207acpi_status 207u8 acpi_tb_sum_table(void *buffer, u32 length)
208acpi_tb_verify_table_checksum(struct acpi_table_header * table_header) 208{
209 acpi_native_uint i;
210 u8 sum = 0;
211
212 if (!buffer || !length) {
213 return (0);
214 }
215
216 for (i = 0; i < length; i++) {
217 sum = (u8) (sum + ((u8 *) buffer)[i]);
218 }
219 return (sum);
220}
221
222/*******************************************************************************
223 *
224 * FUNCTION: acpi_tb_generate_checksum
225 *
226 * PARAMETERS: Table - Pointer to a valid ACPI table (with a
227 * standard ACPI header)
228 *
229 * RETURN: 8 bit checksum of buffer
230 *
231 * DESCRIPTION: Computes an 8 bit checksum of the table.
232 *
233 ******************************************************************************/
234
235u8 acpi_tb_generate_checksum(struct acpi_table_header * table)
209{ 236{
210 u8 checksum; 237 u8 checksum;
211 acpi_status status = AE_OK;
212 238
213 ACPI_FUNCTION_TRACE("tb_verify_table_checksum"); 239 /* Sum the entire table as-is */
214 240
215 /* Compute the checksum on the table */ 241 checksum = acpi_tb_sum_table(table, table->length);
216 242
217 checksum = 243 /* Subtract off the existing checksum value in the table */
218 acpi_tb_generate_checksum(table_header, table_header->length);
219 244
220 /* Return the appropriate exception */ 245 checksum = (u8) (checksum - table->checksum);
221 246
222 if (checksum) { 247 /* Compute the final checksum */
223 ACPI_WARNING((AE_INFO,
224 "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)",
225 table_header->signature,
226 (u32) table_header->checksum, (u32) checksum));
227 248
228 status = AE_BAD_CHECKSUM; 249 checksum = (u8) (0 - checksum);
229 } 250 return (checksum);
230 return_ACPI_STATUS(status);
231} 251}
232 252
233/******************************************************************************* 253/*******************************************************************************
234 * 254 *
235 * FUNCTION: acpi_tb_generate_checksum 255 * FUNCTION: acpi_tb_set_checksum
236 * 256 *
237 * PARAMETERS: Buffer - Buffer to checksum 257 * PARAMETERS: Table - Pointer to a valid ACPI table (with a
238 * Length - Size of the buffer 258 * standard ACPI header)
239 * 259 *
240 * RETURN: 8 bit checksum of buffer 260 * RETURN: None. Sets the table checksum field
241 * 261 *
242 * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it. 262 * DESCRIPTION: Computes an 8 bit checksum of the table and inserts the
263 * checksum into the table header.
243 * 264 *
244 ******************************************************************************/ 265 ******************************************************************************/
245 266
246u8 acpi_tb_generate_checksum(void *buffer, u32 length) 267void acpi_tb_set_checksum(struct acpi_table_header *table)
247{ 268{
248 u8 *end_buffer;
249 u8 *rover;
250 u8 sum = 0;
251 269
252 if (buffer && length) { 270 table->checksum = acpi_tb_generate_checksum(table);
271}
272
273/*******************************************************************************
274 *
275 * FUNCTION: acpi_tb_verify_table_checksum
276 *
277 * PARAMETERS: *table_header - ACPI table to verify
278 *
279 * RETURN: 8 bit checksum of table
280 *
281 * DESCRIPTION: Generates an 8 bit checksum of table and returns and compares
282 * it to the existing checksum value.
283 *
284 ******************************************************************************/
285
286acpi_status
287acpi_tb_verify_table_checksum(struct acpi_table_header *table_header)
288{
289 u8 checksum;
290
291 ACPI_FUNCTION_TRACE("tb_verify_table_checksum");
292
293 /* Compute the checksum on the table */
253 294
254 /* Buffer and Length are valid */ 295 checksum = acpi_tb_generate_checksum(table_header);
255 296
256 end_buffer = ACPI_ADD_PTR(u8, buffer, length); 297 /* Checksum ok? */
257 298
258 for (rover = buffer; rover < end_buffer; rover++) { 299 if (checksum == table_header->checksum) {
259 sum = (u8) (sum + *rover); 300 return_ACPI_STATUS(AE_OK);
260 }
261 } 301 }
262 return (sum); 302
303 ACPI_WARNING((AE_INFO,
304 "Incorrect checksum in table [%4.4s] - is %2.2X, should be %2.2X",
305 table_header->signature, table_header->checksum,
306 checksum));
307
308 return_ACPI_STATUS(AE_BAD_CHECKSUM);
263} 309}
264 310
265#ifdef ACPI_OBSOLETE_FUNCTIONS 311#ifdef ACPI_OBSOLETE_FUNCTIONS
@@ -278,7 +324,7 @@ u8 acpi_tb_generate_checksum(void *buffer, u32 length)
278 324
279acpi_status 325acpi_status
280acpi_tb_handle_to_object(u16 table_id, 326acpi_tb_handle_to_object(u16 table_id,
281 struct acpi_table_desc ** return_table_desc) 327 struct acpi_table_desc **return_table_desc)
282{ 328{
283 u32 i; 329 u32 i;
284 struct acpi_table_desc *table_desc; 330 struct acpi_table_desc *table_desc;
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index 1b6d8c510e95..550284f5d1ed 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -81,15 +81,14 @@ acpi_status acpi_tb_validate_rsdp(struct rsdp_descriptor *rsdp)
81 81
82 /* Check the standard checksum */ 82 /* Check the standard checksum */
83 83
84 if (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { 84 if (acpi_tb_sum_table(rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
85 return (AE_BAD_CHECKSUM); 85 return (AE_BAD_CHECKSUM);
86 } 86 }
87 87
88 /* Check extended checksum if table version >= 2 */ 88 /* Check extended checksum if table version >= 2 */
89 89
90 if ((rsdp->revision >= 2) && 90 if ((rsdp->revision >= 2) &&
91 (acpi_tb_generate_checksum(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 91 (acpi_tb_sum_table(rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
92 0)) {
93 return (AE_BAD_CHECKSUM); 92 return (AE_BAD_CHECKSUM);
94 } 93 }
95 94
@@ -308,12 +307,12 @@ acpi_get_firmware_table(acpi_string signature,
308 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) { 307 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
309 address.pointer.value = 308 address.pointer.value =
310 (ACPI_CAST_PTR 309 (ACPI_CAST_PTR
311 (RSDT_DESCRIPTOR, 310 (struct rsdt_descriptor,
312 rsdt_info->pointer))->table_offset_entry[i]; 311 rsdt_info->pointer))->table_offset_entry[i];
313 } else { 312 } else {
314 address.pointer.value = 313 address.pointer.value =
315 (ACPI_CAST_PTR 314 (ACPI_CAST_PTR
316 (XSDT_DESCRIPTOR, 315 (struct xsdt_descriptor,
317 rsdt_info->pointer))->table_offset_entry[i]; 316 rsdt_info->pointer))->table_offset_entry[i];
318 } 317 }
319 318
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index a8c350643d57..5ec1cfcc611d 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -517,20 +517,13 @@ acpi_ut_ptr_exit(u32 line_number,
517 * 517 *
518 ******************************************************************************/ 518 ******************************************************************************/
519 519
520void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) 520void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
521{ 521{
522 acpi_native_uint i = 0; 522 acpi_native_uint i = 0;
523 acpi_native_uint j; 523 acpi_native_uint j;
524 u32 temp32; 524 u32 temp32;
525 u8 buf_char; 525 u8 buf_char;
526 526
527 /* Only dump the buffer if tracing is enabled */
528
529 if (!((ACPI_LV_TABLES & acpi_dbg_level) &&
530 (component_id & acpi_dbg_layer))) {
531 return;
532 }
533
534 if ((count < 4) || (count & 0x01)) { 527 if ((count < 4) || (count & 0x01)) {
535 display = DB_BYTE_DISPLAY; 528 display = DB_BYTE_DISPLAY;
536 } 529 }
@@ -556,6 +549,7 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
556 } 549 }
557 550
558 switch (display) { 551 switch (display) {
552 case DB_BYTE_DISPLAY:
559 default: /* Default is BYTE display */ 553 default: /* Default is BYTE display */
560 554
561 acpi_os_printf("%02X ", buffer[i + j]); 555 acpi_os_printf("%02X ", buffer[i + j]);
@@ -613,3 +607,31 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id)
613 607
614 return; 608 return;
615} 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 51356e8eb999..b4e34a2f81f7 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -202,8 +202,20 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
202 if (handler_desc) { 202 if (handler_desc) {
203 if (handler_desc->address_space.handler_flags & 203 if (handler_desc->address_space.handler_flags &
204 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) { 204 ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
205 obj_pointer = 205
206 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 }
207 } 219 }
208 220
209 acpi_ut_remove_reference(handler_desc); 221 acpi_ut_remove_reference(handler_desc);
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 8a05bb5ef4fe..e8ae417c9848 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -642,7 +642,7 @@ char *acpi_ut_get_node_name(void *object)
642 /* Name must be a valid ACPI name */ 642 /* Name must be a valid ACPI name */
643 643
644 if (!acpi_ut_valid_acpi_name(node->name.integer)) { 644 if (!acpi_ut_valid_acpi_name(node->name.integer)) {
645 return ("????"); 645 node->name.integer = acpi_ut_repair_name(node->name.integer);
646 } 646 }
647 647
648 /* Return the name */ 648 /* Return the name */
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index 40313de6977d..7538b165b6e5 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/******************************************************************************
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 017a87ebc40b..4623d7e215d3 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;
@@ -469,6 +497,41 @@ acpi_ut_display_init_pathname(u8 type,
469 497
470/******************************************************************************* 498/*******************************************************************************
471 * 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 *
472 * FUNCTION: acpi_ut_valid_acpi_name 535 * FUNCTION: acpi_ut_valid_acpi_name
473 * 536 *
474 * PARAMETERS: Name - The name to be examined 537 * PARAMETERS: Name - The name to be examined
@@ -484,19 +547,13 @@ acpi_ut_display_init_pathname(u8 type,
484 547
485u8 acpi_ut_valid_acpi_name(u32 name) 548u8 acpi_ut_valid_acpi_name(u32 name)
486{ 549{
487 char *name_ptr = (char *)&name;
488 char character;
489 acpi_native_uint i; 550 acpi_native_uint i;
490 551
491 ACPI_FUNCTION_ENTRY(); 552 ACPI_FUNCTION_ENTRY();
492 553
493 for (i = 0; i < ACPI_NAME_SIZE; i++) { 554 for (i = 0; i < ACPI_NAME_SIZE; i++) {
494 character = *name_ptr; 555 if (!acpi_ut_valid_acpi_char
495 name_ptr++; 556 ((ACPI_CAST_PTR(char, &name))[i], i)) {
496
497 if (!((character == '_') ||
498 (character >= 'A' && character <= 'Z') ||
499 (character >= '0' && character <= '9'))) {
500 return (FALSE); 557 return (FALSE);
501 } 558 }
502 } 559 }
@@ -506,24 +563,37 @@ u8 acpi_ut_valid_acpi_name(u32 name)
506 563
507/******************************************************************************* 564/*******************************************************************************
508 * 565 *
509 * FUNCTION: acpi_ut_valid_acpi_character 566 * FUNCTION: acpi_ut_repair_name
510 * 567 *
511 * PARAMETERS: Character - The character to be examined 568 * PARAMETERS: Name - The ACPI name to be repaired
512 * 569 *
513 * RETURN: 1 if Character may appear in a name, else 0 570 * RETURN: Repaired version of the name
514 * 571 *
515 * DESCRIPTION: Check for a printable character 572 * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and
573 * return the new name.
516 * 574 *
517 ******************************************************************************/ 575 ******************************************************************************/
518 576
519u8 acpi_ut_valid_acpi_character(char character) 577acpi_name acpi_ut_repair_name(acpi_name name)
520{ 578{
579 char *name_ptr = ACPI_CAST_PTR(char, &name);
580 char new_name[ACPI_NAME_SIZE];
581 acpi_native_uint i;
521 582
522 ACPI_FUNCTION_ENTRY(); 583 for (i = 0; i < ACPI_NAME_SIZE; i++) {
584 new_name[i] = name_ptr[i];
585
586 /*
587 * Replace a bad character with something printable, yet technically
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 }
523 595
524 return ((u8) ((character == '_') || 596 return (*ACPI_CAST_PTR(u32, new_name));
525 (character >= 'A' && character <= 'Z') ||
526 (character >= '0' && character <= '9')));
527} 597}
528 598
529/******************************************************************************* 599/*******************************************************************************
diff --git a/drivers/acpi/utilities/utresrc.c b/drivers/acpi/utilities/utresrc.c
index 4c24e6d5400a..1e680794c6df 100644
--- a/drivers/acpi/utilities/utresrc.c
+++ b/drivers/acpi/utilities/utresrc.c
@@ -258,7 +258,7 @@ static const u8 acpi_gbl_resource_types[] = {
258acpi_status 258acpi_status
259acpi_ut_walk_aml_resources(u8 * aml, 259acpi_ut_walk_aml_resources(u8 * aml,
260 acpi_size aml_length, 260 acpi_size aml_length,
261 acpi_walk_aml_callback user_function, void *context) 261 acpi_walk_aml_callback user_function, void **context)
262{ 262{
263 acpi_status status; 263 acpi_status status;
264 u8 *end_aml; 264 u8 *end_aml;
@@ -319,7 +319,7 @@ acpi_ut_walk_aml_resources(u8 * aml,
319 /* Return the pointer to the end_tag if requested */ 319 /* Return the pointer to the end_tag if requested */
320 320
321 if (!user_function) { 321 if (!user_function) {
322 *(void **)context = aml; 322 *context = aml;
323 } 323 }
324 324
325 /* Normal exit */ 325 /* Normal exit */
@@ -610,7 +610,7 @@ acpi_ut_get_resource_end_tag(union acpi_operand_object * obj_desc,
610 610
611 status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer, 611 status = acpi_ut_walk_aml_resources(obj_desc->buffer.pointer,
612 obj_desc->buffer.length, NULL, 612 obj_desc->buffer.length, NULL,
613 end_tag); 613 (void **)end_tag);
614 614
615 return_ACPI_STATUS(status); 615 return_ACPI_STATUS(status);
616} 616}
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
index 637c5f964879..aec5034cd978 100644
--- a/drivers/acpi/utilities/utstate.c
+++ b/drivers/acpi/utilities/utstate.c
@@ -321,8 +321,8 @@ union acpi_generic_state *acpi_ut_create_control_state(void)
321 * 321 *
322 * RETURN: None 322 * RETURN: None
323 * 323 *
324 * 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
325 * is not actually freed at this time. 325 * are ignored.
326 * 326 *
327 ******************************************************************************/ 327 ******************************************************************************/
328 328
@@ -330,6 +330,10 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state)
330{ 330{
331 ACPI_FUNCTION_TRACE("ut_delete_generic_state"); 331 ACPI_FUNCTION_TRACE("ut_delete_generic_state");
332 332
333 (void)acpi_os_release_object(acpi_gbl_state_cache, state); 333 /* Ignore null state */
334
335 if (state) {
336 (void)acpi_os_release_object(acpi_gbl_state_cache, state);
337 }
334 return_VOID; 338 return_VOID;
335} 339}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-01 00:52:15 -0500