diff options
| -rw-r--r-- | drivers/acpi/acpica/nsload.c | 17 | ||||
| -rw-r--r-- | drivers/acpi/acpica/utxfinit.c | 8 | ||||
| -rw-r--r-- | include/acpi/acpixf.h | 5 |
3 files changed, 29 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index c1069165625d..14c953e6fe9e 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -149,6 +149,23 @@ unlock: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "**** Completed Table Object Initialization\n")); + /* + * Execute any module-level code that was detected during the table load + * phase. Although illegal since ACPI 2.0, there are many machines that + * contain this type of code. Each block of detected executable AML code + * outside of any control method is wrapped with a temporary control + * method object and placed on a global list. The methods on this list + * are executed below. + * + * This case executes the module-level code for each table immediately + * after the table has been loaded. This provides compatibility with + * other ACPI implementations. Optionally, the execution can be deferred + * until later, see acpi_initialize_objects. + */ + if (!acpi_gbl_group_module_level_code) { + acpi_ns_exec_module_code_list(); + } + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/utxfinit.c b/drivers/acpi/acpica/utxfinit.c index 1c7ed4986963..e38facd3e32f 100644 --- a/drivers/acpi/acpica/utxfinit.c +++ b/drivers/acpi/acpica/utxfinit.c @@ -292,8 +292,14 @@ acpi_status __init acpi_initialize_objects(u32 flags) * outside of any control method is wrapped with a temporary control * method object and placed on a global list. The methods on this list * are executed below. + * + * This case executes the module-level code for all tables only after + * all of the tables have been loaded. It is a legacy option and is + * not compatible with other ACPI implementations. See acpi_ns_load_table. */ - acpi_ns_exec_module_code_list(); + if (acpi_gbl_group_module_level_code) { + acpi_ns_exec_module_code_list(); + } /* * Initialize the objects that remain uninitialized. This runs the diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index d60507b755f6..8c95e82691a5 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -190,6 +190,11 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE); ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE); /* + * Optionally support group module level code. + */ +ACPI_INIT_GLOBAL(u8, acpi_gbl_group_module_level_code, TRUE); + +/* * Optionally use 32-bit FADT addresses if and when there is a conflict * (address mismatch) between the 32-bit and 64-bit versions of the * address. Although ACPICA adheres to the ACPI specification which |
