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ACPICA: ACPICA: Tune _REG evaluations order in the initialization steps

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ACPICA commit 77e0c7a482ac30ef857cf3c33d075e5fe5b5e449

This patch tunes _REG evaluations to be later than all table loading
facilities:
1. acpi_load_tables(): _REG is currently invoked after this function.
2. acpi_ns_exec_module_code_list(): this executes module level code, the
   execution should be a part of the table loading while we currently
   support this in a deferred way.
3. acpi_ns_initialize_objects(): this parses Region/Field/Buffer/Package where
   pkg_length primitive can be seen in the grammar, the parsing should be a
   part of the table loading while we currently support this in a deferred
   way.
Control method evaluation should happen after loading the tables. So this
patch changes the order of _REG evaluation when
acpi_gbl_group_module_level_code experiment is enabled. Lv Zheng.

Link: 77e0c7a4
Signed-off-by: Lv Zheng <[email protected]>
Signed-off-by: Bob Moore <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Lv Zheng 2016-02-19 14:17:05 +08:00 • committed by Rafael J. Wysocki
commit 9559130b11
1 changed files with 18 additions and 17 deletions
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35
drivers/acpi/acpica/utxfinit.c
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@ -262,23 +262,6 @@ acpi_status __init acpi_initialize_objects(u32 flags)
ACPI_FUNCTION_TRACE(acpi_initialize_objects);
/*
* Run all _REG methods
*
* Note: Any objects accessed by the _REG methods will be automatically
* initialized, even if they contain executable AML (see the call to
* acpi_ns_initialize_objects below).
*/
acpi_gbl_reg_methods_enabled = TRUE;
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"[Init] Executing _REG OpRegion methods\n"));
status = acpi_ev_initialize_op_regions();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
#ifdef ACPI_EXEC_APP
/*
* This call implements the "initialization file" option for acpi_exec.
@ -318,6 +301,24 @@ acpi_status __init acpi_initialize_objects(u32 flags)
}
}
/*
* Run all _REG methods
*
* Note: Any objects accessed by the _REG methods will be automatically
* initialized, even if they contain executable AML (see the call to
* acpi_ns_initialize_objects below).
*/
acpi_gbl_reg_methods_enabled = TRUE;
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"[Init] Executing _REG OpRegion methods\n"));
status = acpi_ev_initialize_op_regions();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
/*
* Initialize all device objects in the namespace. This runs the device
* _STA and _INI methods.