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path: root/drivers/acpi/acpica/nsload.c
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Diffstat (limited to 'drivers/acpi/acpica/nsload.c')
-rw-r--r--drivers/acpi/acpica/nsload.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c
index 14ab83668207..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);
}
@@ -321,7 +338,6 @@ acpi_status acpi_ns_unload_namespace(acpi_handle handle)
/* This function does the real work */
status = acpi_ns_delete_subtree(handle);
-
return_ACPI_STATUS(status);
}
#endif