diff options
Diffstat (limited to 'drivers/acpi/acpica/exconfig.c')
| -rw-r--r-- | drivers/acpi/acpica/exconfig.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 16219bde48da..d93b70be60ad 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2012, Intel Corp. + * Copyright (C) 2000 - 2013, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,6 +48,7 @@ #include "actables.h" #include "acdispat.h" #include "acevents.h" +#include "amlcode.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exconfig") @@ -120,8 +121,11 @@ acpi_ex_add_table(u32 table_index, acpi_ns_exec_module_code_list(); acpi_ex_enter_interpreter(); - /* Update GPEs for any new _Lxx/_Exx methods. Ignore errors */ - + /* + * Update GPEs for any new _Lxx/_Exx methods. Ignore errors. The host is + * responsible for discovering any new wake GPEs by running _PRW methods + * that may have been loaded by this table. + */ status = acpi_tb_get_owner_id(table_index, &owner_id); if (ACPI_SUCCESS(status)) { acpi_ev_update_gpes(owner_id); @@ -158,12 +162,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ex_load_table_op); - /* Validate lengths for the signature_string, OEMIDString, OEMtable_iD */ + /* Validate lengths for the Signature, oem_id, and oem_table_id strings */ if ((operand[0]->string.length > ACPI_NAME_SIZE) || (operand[1]->string.length > ACPI_OEM_ID_SIZE) || (operand[2]->string.length > ACPI_OEM_TABLE_ID_SIZE)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_AML_STRING_LIMIT); } /* Find the ACPI table in the RSDT/XSDT */ @@ -210,8 +214,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, /* parameter_path (optional parameter) */ if (operand[4]->string.length > 0) { - if ((operand[4]->string.pointer[0] != '\\') && - (operand[4]->string.pointer[0] != '^')) { + if ((operand[4]->string.pointer[0] != AML_ROOT_PREFIX) && + (operand[4]->string.pointer[0] != AML_PARENT_PREFIX)) { /* * Path is not absolute, so it will be relative to the node * referenced by the root_path_string (or the NS root if omitted) @@ -301,7 +305,7 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer) acpi_ev_address_space_dispatch(obj_desc, NULL, ACPI_READ, region_offset, 8, &value); if (ACPI_FAILURE(status)) { - return status; + return (status); } *buffer = (u8)value; @@ -309,7 +313,7 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer) region_offset++; } - return AE_OK; + return (AE_OK); } /******************************************************************************* |