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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/exutils.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/exutils.c')
-rw-r--r--drivers/acpi/executer/exutils.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index 8543d1a0ed31..3ef8cd703e06 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -87,7 +87,7 @@ acpi_status acpi_ex_enter_interpreter(void)
87{ 87{
88 acpi_status status; 88 acpi_status status;
89 89
90 ACPI_FUNCTION_TRACE("ex_enter_interpreter"); 90 ACPI_FUNCTION_TRACE(ex_enter_interpreter);
91 91
92 status = acpi_ut_acquire_mutex(ACPI_MTX_EXECUTE); 92 status = acpi_ut_acquire_mutex(ACPI_MTX_EXECUTE);
93 if (ACPI_FAILURE(status)) { 93 if (ACPI_FAILURE(status)) {
@@ -123,7 +123,7 @@ void acpi_ex_exit_interpreter(void)
123{ 123{
124 acpi_status status; 124 acpi_status status;
125 125
126 ACPI_FUNCTION_TRACE("ex_exit_interpreter"); 126 ACPI_FUNCTION_TRACE(ex_exit_interpreter);
127 127
128 status = acpi_ut_release_mutex(ACPI_MTX_EXECUTE); 128 status = acpi_ut_release_mutex(ACPI_MTX_EXECUTE);
129 if (ACPI_FAILURE(status)) { 129 if (ACPI_FAILURE(status)) {
@@ -189,7 +189,7 @@ u8 acpi_ex_acquire_global_lock(u32 field_flags)
189 u8 locked = FALSE; 189 u8 locked = FALSE;
190 acpi_status status; 190 acpi_status status;
191 191
192 ACPI_FUNCTION_TRACE("ex_acquire_global_lock"); 192 ACPI_FUNCTION_TRACE(ex_acquire_global_lock);
193 193
194 /* Only attempt lock if the always_lock bit is set */ 194 /* Only attempt lock if the always_lock bit is set */
195 195
@@ -226,7 +226,7 @@ void acpi_ex_release_global_lock(u8 locked_by_me)
226{ 226{
227 acpi_status status; 227 acpi_status status;
228 228
229 ACPI_FUNCTION_TRACE("ex_release_global_lock"); 229 ACPI_FUNCTION_TRACE(ex_release_global_lock);
230 230
231 /* Only attempt unlock if the caller locked it */ 231 /* Only attempt unlock if the caller locked it */
232 232
@@ -266,7 +266,7 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base)
266 u32 num_digits; 266 u32 num_digits;
267 acpi_integer current_value; 267 acpi_integer current_value;
268 268
269 ACPI_FUNCTION_TRACE("ex_digits_needed"); 269 ACPI_FUNCTION_TRACE(ex_digits_needed);
270 270
271 /* acpi_integer is unsigned, so we don't worry about a '-' prefix */ 271 /* acpi_integer is unsigned, so we don't worry about a '-' prefix */
272 272