diff options
Diffstat (limited to 'drivers/acpi')
31 files changed, 905 insertions, 987 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index e348db0e541..21f05998627 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -231,7 +231,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, struct acpi_namespace_node *method_node; struct acpi_walk_state *next_walk_state = NULL; union acpi_operand_object *obj_desc; - struct acpi_parameter_info info; + struct acpi_evaluate_info *info; u32 i; ACPI_FUNCTION_TRACE_PTR(ds_call_control_method, this_walk_state); @@ -319,12 +319,24 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, */ this_walk_state->operands[this_walk_state->num_operands] = NULL; - info.parameters = &this_walk_state->operands[0]; - info.parameter_type = ACPI_PARAM_ARGS; + /* + * Allocate and initialize the evaluation information block + * TBD: this is somewhat inefficient, should change interface to + * ds_init_aml_walk. For now, keeps this struct off the CPU stack + */ + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + info->parameters = &this_walk_state->operands[0]; + info->parameter_type = ACPI_PARAM_ARGS; status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, obj_desc->method.aml_start, - obj_desc->method.aml_length, &info, 3); + obj_desc->method.aml_length, info, 3); + + ACPI_FREE(info); if (ACPI_FAILURE(status)) { goto cleanup; } diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index 8afb20384e9..3acbd9145d7 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -295,7 +295,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, case AML_CLASS_NAMED_OBJECT: - if (walk_state->walk_type == ACPI_WALK_METHOD) { + if (walk_state->walk_type & ACPI_WALK_METHOD) { /* * Found a named object declaration during method execution; * we must enter this object into the namespace. The created diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c index 82c1e219bf1..7817e552267 100644 --- a/drivers/acpi/dispatcher/dswstate.c +++ b/drivers/acpi/dispatcher/dswstate.c @@ -703,7 +703,7 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, struct acpi_namespace_node *method_node, u8 * aml_start, u32 aml_length, - struct acpi_parameter_info *info, u8 pass_number) + struct acpi_evaluate_info *info, u8 pass_number) { acpi_status status; struct acpi_parse_state *parser_state = &walk_state->parser_state; @@ -825,9 +825,12 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state) return; } + /* There should not be any open scopes */ + if (walk_state->parser_state.scope) { ACPI_ERROR((AE_INFO, "%p walk still has a scope list", walk_state)); + acpi_ps_cleanup_scope(&walk_state->parser_state); } /* Always must free any linked control states */ diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index aa179dc7801..23fe53ba737 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -488,9 +488,9 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) * * RETURN: None * - * DESCRIPTION: Perform the actual execution of a GPE control method. This - * function is called from an invocation of acpi_os_exece - * (and therefore does NOT execute at interrupt level) so that + * DESCRIPTION: Perform the actual execution of a GPE control method. This + * function is called from an invocation of acpi_os_execute and + * therefore does NOT execute at interrupt level - so that * the control method itself is not executed in the context of * an interrupt handler. * @@ -502,7 +502,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) u32 gpe_number = 0; acpi_status status; struct acpi_gpe_event_info local_gpe_event_info; - struct acpi_parameter_info info; + struct acpi_evaluate_info *info; ACPI_FUNCTION_TRACE(ev_asynch_execute_gpe_method); @@ -540,16 +540,29 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) */ if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) { - /* - * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx - * control method that corresponds to this GPE - */ - info.node = local_gpe_event_info.dispatch.method_node; - info.parameters = - ACPI_CAST_PTR(union acpi_operand_object *, gpe_event_info); - info.parameter_type = ACPI_PARAM_GPE; - status = acpi_ns_evaluate_by_handle(&info); + /* Allocate the evaluation information block */ + + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + status = AE_NO_MEMORY; + } else { + /* + * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx + * control method that corresponds to this GPE + */ + info->prefix_node = + local_gpe_event_info.dispatch.method_node; + info->parameters = + ACPI_CAST_PTR(union acpi_operand_object *, + gpe_event_info); + info->parameter_type = ACPI_PARAM_GPE; + info->flags = ACPI_IGNORE_RETURN_VALUE; + + status = acpi_ns_evaluate(info); + ACPI_FREE(info); + } + if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "While evaluating method [%4.4s] for GPE[%2X]", diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 24e0b8d36f3..6eef4efddcf 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -49,12 +49,13 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evmisc") +/* Names for Notify() values, used for debug output */ #ifdef ACPI_DEBUG_OUTPUT static const char *acpi_notify_value_names[] = { "Bus Check", "Device Check", "Device Wake", - "Eject request", + "Eject Request", "Device Check Light", "Frequency Mismatch", "Bus Mode Mismatch", @@ -191,8 +192,9 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, notify_info->notify.value = (u16) notify_value; notify_info->notify.handler_obj = handler_obj; - status = acpi_os_execute(OSL_NOTIFY_HANDLER, - acpi_ev_notify_dispatch, notify_info); + status = + acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, + notify_info); if (ACPI_FAILURE(status)) { acpi_ut_delete_generic_state(notify_info); } @@ -345,8 +347,9 @@ static u32 acpi_ev_global_lock_handler(void *context) /* Run the Global Lock thread which will signal all waiting threads */ - status = acpi_os_execute(OSL_GLOBAL_LOCK_HANDLER, - acpi_ev_global_lock_thread, context); + status = + acpi_os_execute(OSL_GLOBAL_LOCK_HANDLER, + acpi_ev_global_lock_thread, context); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not queue Global Lock thread")); @@ -462,8 +465,9 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout) * Acquire the global lock semaphore first. * Since this wait will block, we must release the interpreter */ - status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore, - timeout); + status = + acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore, + timeout); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index edf9d2e1dff..094a17e4c86 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -193,8 +193,8 @@ acpi_status acpi_ev_initialize_op_regions(void) acpi_status acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) { - struct acpi_parameter_info info; - union acpi_operand_object *params[3]; + struct acpi_evaluate_info *info; + union acpi_operand_object *args[3]; union acpi_operand_object *region_obj2; acpi_status status; @@ -209,47 +209,60 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) return_ACPI_STATUS(AE_OK); } + /* Allocate and initialize the evaluation information block */ + + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + info->prefix_node = region_obj2->extra.method_REG; + info->pathname = NULL; + info->parameters = args; + info->parameter_type = ACPI_PARAM_ARGS; + info->flags = ACPI_IGNORE_RETURN_VALUE; + /* * The _REG method has two arguments: * - * Arg0, Integer: Operation region space ID - * Same value as region_obj->Region.space_id - * Arg1, Integer: connection status - * 1 for connecting the handler, - * 0 for disconnecting the handler - * Passed as a parameter + * Arg0 - Integer: + * Operation region space ID Same value as region_obj->Region.space_id + * + * Arg1 - Integer: + * connection status 1 for connecting the handler, 0 for disconnecting + * the handler (Passed as a parameter) */ - params[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!params[0]) { - return_ACPI_STATUS(AE_NO_MEMORY); + args[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); + if (!args[0]) { + status = AE_NO_MEMORY; + goto cleanup1; } - params[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); - if (!params[1]) { + args[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); + if (!args[1]) { status = AE_NO_MEMORY; - goto cleanup; + goto cleanup2; } /* Setup the parameter objects */ - params[0]->integer.value = region_obj->region.space_id; - params[1]->integer.value = function; - params[2] = NULL; - - info.node = region_obj2->extra.method_REG; - info.parameters = params; - info.parameter_type = ACPI_PARAM_ARGS; + args[0]->integer.value = region_obj->region.space_id; + args[1]->integer.value = function; + args[2] = NULL; /* Execute the method, no return value */ ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname - (ACPI_TYPE_METHOD, info.node, NULL)); - status = acpi_ns_evaluate_by_handle(&info); + (ACPI_TYPE_METHOD, info->prefix_node, NULL)); + + status = acpi_ns_evaluate(info); + acpi_ut_remove_reference(args[1]); - acpi_ut_remove_reference(params[1]); + cleanup2: + acpi_ut_remove_reference(args[0]); - cleanup: - acpi_ut_remove_reference(params[0]); + cleanup1: + ACPI_FREE(info); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index 1cecd577b89..5b3c7a85eb9 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -475,8 +475,9 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, /* Find any "_REG" method associated with this region definition */ - status = acpi_ns_search_node(*reg_name_ptr, node, - ACPI_TYPE_METHOD, &method_node); + status = + acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, + &method_node); if (ACPI_SUCCESS(status)) { /* * The _REG method is optional and there can be only one per region diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index 9ae3cb55979..823352435e0 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -214,9 +214,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, * location within the namespace where the table will be loaded. */ status = - acpi_ns_get_node_by_path(operand[3]->string.pointer, - start_node, ACPI_NS_SEARCH_PARENT, - &parent_node); + acpi_ns_get_node(start_node, operand[3]->string.pointer, + ACPI_NS_SEARCH_PARENT, &parent_node); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -237,9 +236,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, /* Find the node referenced by the parameter_path_string */ status = - acpi_ns_get_node_by_path(operand[4]->string.pointer, - start_node, ACPI_NS_SEARCH_PARENT, - ¶meter_node); + acpi_ns_get_node(start_node, operand[4]->string.pointer, + ACPI_NS_SEARCH_PARENT, ¶meter_node); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index ca9925c0d01..3b7c4352ec5 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -145,10 +145,10 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, * length of one field datum (access width) must fit within the region. * (Region length is specified in bytes) */ - if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset + - field_datum_byte_offset + - obj_desc->common_field. - access_byte_width)) { + if (rgn_desc->region.length < + (obj_desc->common_field.base_byte_offset + + field_datum_byte_offset + + obj_desc->common_field.access_byte_width)) { if (acpi_gbl_enable_interpreter_slack) { /* * Slack mode only: We will go ahead and allow access to this @@ -811,13 +811,15 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, mask = ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset); - datum_count = - ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length, - obj_desc->common_field.access_bit_width); - field_datum_count = - ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length + - obj_desc->common_field.start_field_bit_offset, - obj_desc->common_field.access_bit_width); + + datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length, + obj_desc->common_field.access_bit_width); + + field_datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length + + obj_desc->common_field. + start_field_bit_offset, + obj_desc->common_field. + access_bit_width); /* Get initial Datum from the input buffer */ diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c index 794d9b8de95..bd98aab017c 100644 --- a/drivers/acpi/executer/exmisc.c +++ b/drivers/acpi/executer/exmisc.c @@ -445,10 +445,24 @@ acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1) case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */ + /* + * We need to check if the shiftcount is larger than the integer bit + * width since the behavior of this is not well-defined in the C language. + */ + if (integer1 >= acpi_gbl_integer_bit_width) { + return (0); + } return (integer0 << integer1); case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */ + /* + * We need to check if the shiftcount is larger than the integer bit + * width since the behavior of this is not well-defined in the C language. + */ + if (integer1 >= acpi_gbl_integer_bit_width) { + return (0); + } return (integer0 >> integer1); case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */ diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c index 05b89c5878e..8284c52875b 100644 --- a/drivers/acpi/executer/exoparg1.c +++ b/drivers/acpi/executer/exoparg1.c @@ -874,16 +874,14 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) * Field, so we need to resolve the node to a value. */ status = - acpi_ns_get_node_by_path(operand[0]->string. - pointer, - walk_state-> - scope_info->scope. - node, - ACPI_NS_SEARCH_PARENT, - ACPI_CAST_INDIRECT_PTR - (struct - acpi_namespace_node, - &return_desc)); + acpi_ns_get_node(walk_state->scope_info-> + scope.node, + operand[0]->string.pointer, + ACPI_NS_SEARCH_PARENT, + ACPI_CAST_INDIRECT_PTR + (struct + acpi_namespace_node, + &return_desc)); if (ACPI_FAILURE(status)) { goto cleanup; } diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c index 4fba452a559..3cc97ba48b3 100644 --- a/drivers/acpi/executer/exregion.c +++ b/drivers/acpi/executer/exregion.c @@ -477,23 +477,16 @@ acpi_ex_data_table_space_handler(u32 function, acpi_integer * value, void *handler_context, void *region_context) { - acpi_status status = AE_OK; - u32 byte_width = ACPI_DIV_8(bit_width); - u32 i; - char *logical_addr_ptr; - ACPI_FUNCTION_TRACE(ex_data_table_space_handler); - logical_addr_ptr = ACPI_PHYSADDR_TO_PTR(address); - /* Perform the memory read or write */ switch (function) { case ACPI_READ: - for (i = 0; i < byte_width; i++) { - ((char *)value)[i] = logical_addr_ptr[i]; - } + ACPI_MEMCPY(ACPI_CAST_PTR(char, value), + ACPI_PHYSADDR_TO_PTR(address), + ACPI_DIV_8(bit_width)); break; case ACPI_WRITE: @@ -502,5 +495,5 @@ acpi_ex_data_table_space_handler(u32 function, return_ACPI_STATUS(AE_SUPPORT); } - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c index ec9f5a11a8b..5a3aa8dd8cb 100644 --- a/drivers/acpi/hardware/hwregs.c +++ b/drivers/acpi/hardware/hwregs.c @@ -127,8 +127,7 @@ acpi_status acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b) { acpi_status status = AE_OK; - struct acpi_parameter_info info; - char *sleep_state_name; + struct acpi_evaluate_info *info; ACPI_FUNCTION_TRACE(acpi_get_sleep_type_data); @@ -138,34 +137,39 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b) return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Evaluate the namespace object containing the values for this state */ + /* Allocate the evaluation information block */ + + info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } - info.parameters = NULL; - info.return_object = NULL; - sleep_state_name = + info->pathname = ACPI_CAST_PTR(char, acpi_gbl_sleep_state_names[sleep_state]); - status = acpi_ns_evaluate_by_name(sleep_state_name, &info); + /* Evaluate the namespace object containing the values for this state */ + + status = acpi_ns_evaluate(info); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s while evaluating SleepState [%s]\n", acpi_format_exception(status), - sleep_state_name)); + info->pathname)); - return_ACPI_STATUS(status); + goto cleanup; } /* Must have a return object */ - if (!info.return_object) { + if (!info->return_object) { ACPI_ERROR((AE_INFO, "No Sleep State object returned from [%s]", - sleep_state_name)); + info->pathname)); status = AE_NOT_EXIST; } /* It must be of type Package */ - else if (ACPI_GET_OBJECT_TYPE(info.return_object) != ACPI_TYPE_PACKAGE) { + else if (ACPI_GET_OBJECT_TYPE(info->return_object) != ACPI_TYPE_PACKAGE) { ACPI_ERROR((AE_INFO, "Sleep State return object is not a Package")); status = AE_AML_OPERAND_TYPE; @@ -178,7 +182,7 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b) * by BIOS vendors seems to be to have 2 or more elements, at least * one per sleep type (A/B). */ - else if (info.return_object->package.count < 2) { + else if (info->return_object->package.count < 2) { ACPI_ERROR((AE_INFO, "Sleep State return package does not have at least two elements")); status = AE_AML_NO_OPERAND; @@ -186,35 +190,38 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b) /* The first two elements must both be of type Integer */ - else if ((ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[0]) + else if ((ACPI_GET_OBJECT_TYPE(info->return_object->package.elements[0]) != ACPI_TYPE_INTEGER) || - (ACPI_GET_OBJECT_TYPE(info.return_object->package.elements[1]) + (ACPI_GET_OBJECT_TYPE(info->return_object->package.elements[1]) != ACPI_TYPE_INTEGER)) { ACPI_ERROR((AE_INFO, "Sleep State return package elements are not both Integers (%s, %s)", - acpi_ut_get_object_type_name(info.return_object-> + acpi_ut_get_object_type_name(info->return_object-> package.elements[0]), - acpi_ut_get_object_type_name(info.return_object-> + acpi_ut_get_object_type_name(info->return_object-> package.elements[1]))); status = AE_AML_OPERAND_TYPE; } else { /* Valid _Sx_ package size, type, and value */ *sleep_type_a = (u8) - (info.return_object->package.elements[0])->integer.value; + (info->return_object->package.elements[0])->integer.value; *sleep_type_b = (u8) - (info.return_object->package.elements[1])->integer.value; + (info->return_object->package.elements[1])->integer.value; } if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "While evaluating SleepState [%s], bad Sleep object %p type %s", - sleep_state_name, info.return_object, - acpi_ut_get_object_type_name(info. + info->pathname, info->return_object, + acpi_ut_get_object_type_name(info-> return_object))); } - acpi_ut_remove_reference(info.return_object); + acpi_ut_remove_reference(info->return_object); + + cleanup: + ACPI_FREE(info); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index ba8ad569188..48fadade52e 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c @@ -259,10 +259,8 @@ acpi_status acpi_ns_root_initialize(void) /* Save a handle to "_GPE", it is always present */ if (ACPI_SUCCESS(status)) { - status = - acpi_ns_get_node_by_path("\\_GPE", NULL, - ACPI_NS_NO_UPSEARCH, - &acpi_gbl_fadt_gpe_device); + status = acpi_ns_get_node(NULL, "\\_GPE", ACPI_NS_NO_UPSEARCH, + &acpi_gbl_fadt_gpe_device); } return_ACPI_STATUS(status); diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c index 4b054062b46..4b0a4a8c984 100644 --- a/drivers/acpi/namespace/nseval.c +++ b/drivers/acpi/namespace/nseval.c @@ -1,7 +1,6 @@ /******************************************************************************* * - * Module Name: nseval - Object evaluation interfaces -- includes control - * method lookup and execution. + * Module Name: nseval - Object evaluation, includes control method execution * ******************************************************************************/ @@ -50,196 +49,14 @@ #define _COMPONENT ACPI_NAMESPACE ACPI_MODULE_NAME("nseval") -/* Local prototypes */ -static acpi_status -acpi_ns_execute_control_method(struct acpi_parameter_info *info); - -static acpi_status acpi_ns_get_object_value(struct acpi_parameter_info *info); - -/******************************************************************************* - * - * FUNCTION: acpi_ns_evaluate_relative - * - * PARAMETERS: Pathname - Name of method to execute, If NULL, the - * handle is the object to execute - * Info - Method info block, contains: - * return_object - Where to put method's return value (if - * any). If NULL, no value is returned. - * Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be - * NULL if no parameters are being passed. - * - * RETURN: Status - * - * DESCRIPTION: Evaluate the object or find and execute the requested method - * - * MUTEX: Locks Namespace - * - ******************************************************************************/ - -acpi_status -acpi_ns_evaluate_relative(char *pathname, struct acpi_parameter_info *info) -{ - acpi_status status; - struct acpi_namespace_node *node = NULL; - union acpi_generic_state *scope_info; - char *internal_path = NULL; - - ACPI_FUNCTION_TRACE(ns_evaluate_relative); - - /* - * Must have a valid object handle - */ - if (!info || !info->node) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - /* Build an internal name string for the method */ - - status = acpi_ns_internalize_name(pathname, &internal_path); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - scope_info = acpi_ut_create_generic_state(); - if (!scope_info) { - goto cleanup1; - } - - /* Get the prefix handle and Node */ - - status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - info->node = acpi_ns_map_handle_to_node(info->node); - if (!info->node) { - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - status = AE_BAD_PARAMETER; - goto cleanup; - } - - /* Lookup the name in the namespace */ - - scope_info->scope.node = info->node; - status = acpi_ns_lookup(scope_info, internal_path, ACPI_TYPE_ANY, - ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, NULL, - &node); - - (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "Object [%s] not found [%s]\n", - pathname, acpi_format_exception(status))); - goto cleanup; - } - - /* - * Now that we have a handle to the object, we can attempt to evaluate it. - */ - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, "%s [%p] Value %p\n", - pathname, node, acpi_ns_get_attached_object(node))); - - info->node = node; - status = acpi_ns_evaluate_by_handle(info); - - ACPI_DEBUG_PRINT((ACPI_DB_NAMES, - "*** Completed eval of object %s ***\n", pathname)); - - cleanup: - acpi_ut_delete_generic_state(scope_info); - - cleanup1: - ACPI_FREE(internal_path); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ns_evaluate_by_name - * - * PARAMETERS: Pathname - Fully qualified pathname to the object - * Info - Method info block, contains: - * return_object - Where to put method's return value (if - * any). If NULL, no value is returned. - * Params - List of parameters to pass to the method, - * terminated by NULL. Params itself may be - * NULL if no parameters are being passed. - * - * RETURN: Status - * - * DESCRIPTION: Evaluate the object or rind and execute the requested method - * passing the given parameters - * - * MUTEX: Locks Namespace - * - ******************************************************************************/ - -acpi_status -acpi_ns_evaluate_by_name(char *pathname, struct acpi_parameter_info *info) -{ - acpi_status status; - char *internal_path = NULL; - - ACPI_FUNCTION_TRACE(ns_evaluate_by_name); - - /* Build an internal name string for the method */ - - status = acpi_ns_internalize_name(pathname, &internal_path); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); |