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authorBob Moore <robert.moore@intel.com>2006-04-21 17:15:00 -0400
committerLen Brown <len.brown@intel.com>2006-06-14 02:30:55 -0400
commitb229cf92eee616c7cb5ad8cdb35a19b119f00bc8 (patch)
tree74b52bec6ec029859c2320aba227290a503af31a /drivers/acpi/executer/exmutex.c
parent793c2388cae3fd023b3b5166354931752d42353c (diff)
ACPI: ACPICA 20060421
Removed a device initialization optimization introduced in 20051216 where the _STA method was not run unless an _INI was also present for the same device. This optimization could cause problems because it could allow _INI methods to be run within a not-present device subtree (If a not-present device had no _INI, _STA would not be run, the not-present status would not be discovered, and the children of the device would be incorrectly traversed.) Implemented a new _STA optimization where namespace subtrees that do not contain _INI are identified and ignored during device initialization. Selectively running _STA can significantly improve boot time on large machines (with assistance from Len Brown.) Implemented support for the device initialization case where the returned _STA flags indicate a device not-present but functioning. In this case, _INI is not run, but the device children are examined for presence, as per the ACPI specification. Implemented an additional change to the IndexField support in order to conform to MS behavior. The value written to the Index Register is not simply a byte offset, it is a byte offset in units of the access width of the parent Index Field. (Fiodor Suietov) Defined and deployed a new OSL interface, acpi_os_validate_address(). This interface is called during the creation of all AML operation regions, and allows the host OS to exert control over what addresses it will allow the AML code to access. Operation Regions whose addresses are disallowed will cause a runtime exception when they are actually accessed (will not affect or abort table loading.) Defined and deployed a new OSL interface, acpi_os_validate_interface(). This interface allows the host OS to match the various "optional" interface/behavior strings for the _OSI predefined control method as appropriate (with assistance from Bjorn Helgaas.) Restructured and corrected various problems in the exception handling code paths within DsCallControlMethod and DsTerminateControlMethod in dsmethod (with assistance from Takayoshi Kochi.) Modified the Linux source converter to ignore quoted string literals while converting identifiers from mixed to lower case. This will correct problems with the disassembler and other areas where such strings must not be modified. The ACPI_FUNCTION_* macros no longer require quotes around the function name. This allows the Linux source converter to convert the names, now that the converter ignores quoted strings. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/executer/exmutex.c')
-rw-r--r--drivers/acpi/executer/exmutex.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index eaee1de5e90d..93098d68cadf 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -61,7 +61,7 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
61 * 61 *
62 * RETURN: None 62 * RETURN: None
63 * 63 *
64 * DESCRIPTION: Remove a mutex from the "acquired_mutex" list 64 * DESCRIPTION: Remove a mutex from the "AcquiredMutex" list
65 * 65 *
66 ******************************************************************************/ 66 ******************************************************************************/
67 67
@@ -95,7 +95,7 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
95 * 95 *
96 * RETURN: None 96 * RETURN: None
97 * 97 *
98 * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk 98 * DESCRIPTION: Add a mutex to the "AcquiredMutex" list for this walk
99 * 99 *
100 ******************************************************************************/ 100 ******************************************************************************/
101 101
@@ -144,7 +144,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
144{ 144{
145 acpi_status status; 145 acpi_status status;
146 146
147 ACPI_FUNCTION_TRACE_PTR("ex_acquire_mutex", obj_desc); 147 ACPI_FUNCTION_TRACE_PTR(ex_acquire_mutex, obj_desc);
148 148
149 if (!obj_desc) { 149 if (!obj_desc) {
150 return_ACPI_STATUS(AE_BAD_PARAMETER); 150 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -165,7 +165,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
165 */ 165 */
166 if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { 166 if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
167 ACPI_ERROR((AE_INFO, 167 ACPI_ERROR((AE_INFO,
168 "Cannot acquire Mutex [%4.4s], incorrect sync_level", 168 "Cannot acquire Mutex [%4.4s], incorrect SyncLevel",
169 acpi_ut_get_node_name(obj_desc->mutex.node))); 169 acpi_ut_get_node_name(obj_desc->mutex.node)));
170 return_ACPI_STATUS(AE_AML_MUTEX_ORDER); 170 return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
171 } 171 }
@@ -234,7 +234,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
234{ 234{
235 acpi_status status; 235 acpi_status status;
236 236
237 ACPI_FUNCTION_TRACE("ex_release_mutex"); 237 ACPI_FUNCTION_TRACE(ex_release_mutex);
238 238
239 if (!obj_desc) { 239 if (!obj_desc) {
240 return_ACPI_STATUS(AE_BAD_PARAMETER); 240 return_ACPI_STATUS(AE_BAD_PARAMETER);
@@ -279,7 +279,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
279 */ 279 */
280 if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { 280 if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
281 ACPI_ERROR((AE_INFO, 281 ACPI_ERROR((AE_INFO,
282 "Cannot release Mutex [%4.4s], incorrect sync_level", 282 "Cannot release Mutex [%4.4s], incorrect SyncLevel",
283 acpi_ut_get_node_name(obj_desc->mutex.node))); 283 acpi_ut_get_node_name(obj_desc->mutex.node)));
284 return_ACPI_STATUS(AE_AML_MUTEX_ORDER); 284 return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
285 } 285 }