diff options
Diffstat (limited to 'drivers/acpi/acpica/dswload.c')
| -rw-r--r-- | drivers/acpi/acpica/dswload.c | 64 |
1 files changed, 39 insertions, 25 deletions
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index 10fc7851784..b40513dd6a6 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -212,18 +212,19 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, case ACPI_TYPE_BUFFER: /* - * These types we will allow, but we will change the type. This - * enables some existing code of the form: + * These types we will allow, but we will change the type. + * This enables some existing code of the form: * * Name (DEB, 0) * Scope (DEB) { ... } * - * Note: silently change the type here. On the second pass, we will report - * a warning + * Note: silently change the type here. On the second pass, + * we will report a warning */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", - path, + "Type override - [%4.4s] had invalid type (%s) " + "for Scope operator, changed to type ANY\n", + acpi_ut_get_node_name(node), acpi_ut_get_type_name(node->type))); node->type = ACPI_TYPE_ANY; @@ -235,8 +236,10 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, /* All other types are an error */ ACPI_ERROR((AE_INFO, - "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)", - acpi_ut_get_type_name(node->type), path)); + "Invalid type (%s) for target of " + "Scope operator [%4.4s] (Cannot override)", + acpi_ut_get_type_name(node->type), + acpi_ut_get_node_name(node))); return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } @@ -697,15 +700,16 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, case ACPI_TYPE_BUFFER: /* - * These types we will allow, but we will change the type. This - * enables some existing code of the form: + * These types we will allow, but we will change the type. + * This enables some existing code of the form: * * Name (DEB, 0) * Scope (DEB) { ... } */ ACPI_WARNING((AE_INFO, - "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)", - buffer_ptr, + "Type override - [%4.4s] had invalid type (%s) " + "for Scope operator, changed to type ANY\n", + acpi_ut_get_node_name(node), acpi_ut_get_type_name(node->type))); node->type = ACPI_TYPE_ANY; @@ -717,9 +721,10 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, /* All other types are an error */ ACPI_ERROR((AE_INFO, - "Invalid type (%s) for target of Scope operator [%4.4s]", + "Invalid type (%s) for target of " + "Scope operator [%4.4s] (Cannot override)", acpi_ut_get_type_name(node->type), - buffer_ptr)); + acpi_ut_get_node_name(node))); return (AE_AML_OPERAND_TYPE); } @@ -1047,9 +1052,22 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) } /* - * If we are executing a method, initialize the region + * The op_region is not fully parsed at this time. The only valid + * argument is the space_id. (We must save the address of the + * AML of the address and length operands) + * + * If we have a valid region, initialize it. The namespace is + * unlocked at this point. + * + * Need to unlock interpreter if it is locked (if we are running + * a control method), in order to allow _REG methods to be run + * during acpi_ev_initialize_region. */ if (walk_state->method_node) { + /* + * Executing a method: initialize the region and unlock + * the interpreter + */ status = acpi_ex_create_region(op->named.data, op->named.length, @@ -1058,21 +1076,17 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) if (ACPI_FAILURE(status)) { return (status); } - } - /* - * The op_region is not fully parsed at this time. Only valid - * argument is the space_id. (We must save the address of the - * AML of the address and length operands) - */ + acpi_ex_exit_interpreter(); + } - /* - * If we have a valid region, initialize it - * Namespace is NOT locked at this point. - */ status = acpi_ev_initialize_region (acpi_ns_get_attached_object(node), FALSE); + if (walk_state->method_node) { + acpi_ex_enter_interpreter(); + } + if (ACPI_FAILURE(status)) { /* * If AE_NOT_EXIST is returned, it is not fatal |