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Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

Browse source 
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPICA: Update version to 20091112.
  ACPICA: Add additional module-level code support
  ACPICA: Deploy new create integer interface where appropriate
  ACPICA: New internal utility function to create Integer objects
  ACPICA: Add repair for predefined methods that must return sorted lists
  ACPICA: Fix possible fault if return Package objects contain NULL elements
  ACPICA: Add post-order callback to acpi_walk_namespace
  ACPICA: Change package length error message to an info message
  ACPICA: Reduce severity of predefined repair messages, Warning to Info
  ACPICA: Update version to 20091013
  ACPICA: Fix possible memory leak for Scope ASL operator
  ACPICA: Remove possibility of executing _REG methods twice
  ACPICA: Add repair for bad _MAT buffers
  ACPICA: Add repair for bad _BIF/_BIX packages
This commit is contained in:
Linus Torvalds 2009-12-09 19:57:06 -08:00
commit 3067e02f8f
49 changed files with 1175 additions and 305 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
arch/ia64/sn/kernel/io_acpi_init.c
View file

@ -390,7 +390,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
pcidev_match.handle = NULL;
acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX,
find_matching_device, &pcidev_match, NULL);
find_matching_device, NULL, &pcidev_match, NULL);
if (!pcidev_match.handle) {
printk(KERN_ERR

2
arch/x86/kernel/cpu/cpufreq/longhaul.c
View file

@ -885,7 +885,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
/* Find ACPI data for processor */
acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, &longhaul_walk_callback,
ACPI_UINT32_MAX, &longhaul_walk_callback, NULL,
NULL, (void *)&pr);
/* Check ACPI support for C3 state */

4
drivers/acpi/acpi_memhotplug.c
View file

@ -537,7 +537,7 @@ static int __init acpi_memory_device_init(void)
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_memory_register_notify_handler,
acpi_memory_register_notify_handler, NULL,
NULL, NULL);
if (ACPI_FAILURE(status)) {
@ -561,7 +561,7 @@ static void __exit acpi_memory_device_exit(void)
*/
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
acpi_memory_deregister_notify_handler,
acpi_memory_deregister_notify_handler, NULL,
NULL, NULL);
if (ACPI_FAILURE(status))

2
drivers/acpi/acpica/Makefile
View file

@ -28,7 +28,7 @@ acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
acpi-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \
nsalloc.o nseval.o nsnames.o nsutils.o nsxfname.o \
nsdump.o nsinit.o nsobject.o nswalk.o nsxfobj.o \
nsparse.o nspredef.o nsrepair.o
nsparse.o nspredef.o nsrepair.o nsrepair2.o
acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o

3
drivers/acpi/acpica/acmacros.h
View file

@ -341,6 +341,7 @@
#define ACPI_ERROR_NAMESPACE(s, e) acpi_ns_report_error (AE_INFO, s, e);
#define ACPI_ERROR_METHOD(s, n, p, e) acpi_ns_report_method_error (AE_INFO, s, n, p, e);
#define ACPI_WARN_PREDEFINED(plist) acpi_ut_predefined_warning plist
#define ACPI_INFO_PREDEFINED(plist) acpi_ut_predefined_info plist
#else
@ -349,6 +350,8 @@
#define ACPI_ERROR_NAMESPACE(s, e)
#define ACPI_ERROR_METHOD(s, n, p, e)
#define ACPI_WARN_PREDEFINED(plist)
#define ACPI_INFO_PREDEFINED(plist)
#endif /* ACPI_NO_ERROR_MESSAGES */
/*

16
drivers/acpi/acpica/acnamesp.h
View file

@ -104,7 +104,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
u32 flags,
acpi_walk_callback user_function,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
void *context, void **return_value);
struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
@ -272,7 +273,8 @@ acpi_ns_get_attached_data(struct acpi_namespace_node *node,
acpi_object_handler handler, void **data);
/*
* nsrepair - return object repair for predefined methods/objects
* nsrepair - General return object repair for all
* predefined methods/objects
*/
acpi_status
acpi_ns_repair_object(struct acpi_predefined_data *data,
@ -284,6 +286,16 @@ acpi_status
acpi_ns_repair_package_list(struct acpi_predefined_data *data,
union acpi_operand_object **obj_desc_ptr);
/*
* nsrepair2 - Return object repair for specific
* predefined methods/objects
*/
acpi_status
acpi_ns_complex_repairs(struct acpi_predefined_data *data,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr);
/*
* nssearch - Namespace searching and entry
*/

7
drivers/acpi/acpica/acutils.h
View file

@ -386,6 +386,8 @@ u8 acpi_ut_valid_internal_object(void *object);
union acpi_operand_object *acpi_ut_create_package_object(u32 count);
union acpi_operand_object *acpi_ut_create_integer_object(u64 value);
union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size);
union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size);
@ -481,6 +483,11 @@ acpi_ut_predefined_warning(const char *module_name,
char *pathname,
u8 node_flags, const char *format, ...);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_predefined_info(const char *module_name,
u32 line_number,
char *pathname, u8 node_flags, const char *format, ...);
/* Values for Base above (16=Hex, 10=Decimal) */
#define ACPI_ANY_BASE 0

2
drivers/acpi/acpica/dsinit.c
View file

@ -192,7 +192,7 @@ acpi_ds_initialize_objects(u32 table_index,
status =
acpi_ns_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, acpi_ds_init_one_object,
&info, NULL);
NULL, &info, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
}

4
drivers/acpi/acpica/dsmthdat.c
View file

@ -409,13 +409,11 @@ acpi_ds_method_data_get_value(u8 type,
/* If slack enabled, init the local_x/arg_x to an Integer of value zero */
if (acpi_gbl_enable_interpreter_slack) {
object =
acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
object = acpi_ut_create_integer_object((u64) 0);
if (!object) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
object->integer.value = 0;
node->object = object;
}

8
drivers/acpi/acpica/dsobject.c
View file

@ -486,7 +486,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
*
* Note: technically, this is an error, from ACPI spec: "It is an error
* for NumElements to be less than the number of elements in the
* PackageList". However, we just print an error message and
* PackageList". However, we just print a message and
* no exception is returned. This provides Windows compatibility. Some
* BIOSs will alter the num_elements on the fly, creating this type
* of ill-formed package object.
@ -510,9 +510,9 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
arg = arg->common.next;
}
ACPI_WARNING((AE_INFO,
"Package List length (0x%X) larger than NumElements count (0x%X), truncated\n",
i, element_count));
ACPI_INFO((AE_INFO,
"Actual Package length (0x%X) is larger than NumElements field (0x%X), truncated\n",
i, element_count));
} else if (i < element_count) {
/*
* Arg list (elements) was exhausted, but we did not reach num_elements count.

50
drivers/acpi/acpica/dswload.c
View file

@ -639,26 +639,42 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
break;
case AML_SCOPE_OP:
/*
* The Path is an object reference to an existing object.
* Don't enter the name into the namespace, but look it up
* for use later.
*/
status =
acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
object_type, ACPI_IMODE_EXECUTE,
ACPI_NS_SEARCH_PARENT, walk_state, &(node));
if (ACPI_FAILURE(status)) {
#ifdef ACPI_ASL_COMPILER
if (status == AE_NOT_FOUND) {
status = AE_OK;
} else {
ACPI_ERROR_NAMESPACE(buffer_ptr, status);
/* Special case for Scope(\) -> refers to the Root node */
if (op && (op->named.node == acpi_gbl_root_node)) {
node = op->named.node;
status =
acpi_ds_scope_stack_push(node, object_type,
walk_state);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
} else {
/*
* The Path is an object reference to an existing object.
* Don't enter the name into the namespace, but look it up
* for use later.
*/
status =
acpi_ns_lookup(walk_state->scope_info, buffer_ptr,
object_type, ACPI_IMODE_EXECUTE,
ACPI_NS_SEARCH_PARENT, walk_state,
&(node));
if (ACPI_FAILURE(status)) {
#ifdef ACPI_ASL_COMPILER
if (status == AE_NOT_FOUND) {
status = AE_OK;
} else {
ACPI_ERROR_NAMESPACE(buffer_ptr,
status);
}
#else
ACPI_ERROR_NAMESPACE(buffer_ptr, status);
ACPI_ERROR_NAMESPACE(buffer_ptr, status);
#endif
return_ACPI_STATUS(status);
return_ACPI_STATUS(status);
}
}
/*

8
drivers/acpi/acpica/evgpeblk.c
View file

@ -945,8 +945,8 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
acpi_ev_save_method_info, gpe_block,
NULL);
acpi_ev_save_method_info, NULL,
gpe_block, NULL);
/* Return the new block */
@ -1022,8 +1022,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
status =
acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
acpi_ev_match_prw_and_gpe, &gpe_info,
NULL);
acpi_ev_match_prw_and_gpe, NULL,
&gpe_info, NULL);
}
/*

81
drivers/acpi/acpica/evregion.c
View file

@ -51,6 +51,10 @@
ACPI_MODULE_NAME("evregion")
/* Local prototypes */
static u8
acpi_ev_has_default_handler(struct acpi_namespace_node *node,
acpi_adr_space_type space_id);
static acpi_status
acpi_ev_reg_run(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
@ -140,6 +144,50 @@ acpi_status acpi_ev_install_region_handlers(void)
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_has_default_handler
*
* PARAMETERS: Node - Namespace node for the device
* space_id - The address space ID
*
* RETURN: TRUE if default handler is installed, FALSE otherwise
*
* DESCRIPTION: Check if the default handler is installed for the requested
* space ID.
*
******************************************************************************/
static u8
acpi_ev_has_default_handler(struct acpi_namespace_node *node,
acpi_adr_space_type space_id)
{
union acpi_operand_object *obj_desc;
union acpi_operand_object *handler_obj;
/* Must have an existing internal object */
obj_desc = acpi_ns_get_attached_object(node);
if (obj_desc) {
handler_obj = obj_desc->device.handler;
/* Walk the linked list of handlers for this object */
while (handler_obj) {
if (handler_obj->address_space.space_id == space_id) {
if (handler_obj->address_space.handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {
return (TRUE);
}
}
handler_obj = handler_obj->address_space.next;
}
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_initialize_op_regions
@ -169,12 +217,18 @@ acpi_status acpi_ev_initialize_op_regions(void)
for (i = 0; i < ACPI_NUM_DEFAULT_SPACES; i++) {
/*
* TBD: Make sure handler is the DEFAULT handler, otherwise
* _REG will have already been run.
* Make sure the installed handler is the DEFAULT handler. If not the
* default, the _REG methods will have already been run (when the
* handler was installed)
*/
status = acpi_ev_execute_reg_methods(acpi_gbl_root_node,
acpi_gbl_default_address_spaces
[i]);
if (acpi_ev_has_default_handler(acpi_gbl_root_node,
acpi_gbl_default_address_spaces
[i])) {
status =
acpi_ev_execute_reg_methods(acpi_gbl_root_node,
acpi_gbl_default_address_spaces
[i]);
}
}
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
@ -235,23 +289,20 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
* connection status 1 for connecting the handler, 0 for disconnecting
* the handler (Passed as a parameter)
*/
args[0] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
args[0] =
acpi_ut_create_integer_object((u64) region_obj->region.space_id);
if (!args[0]) {
status = AE_NO_MEMORY;
goto cleanup1;
}
args[1] = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
args[1] = acpi_ut_create_integer_object((u64) function);
if (!args[1]) {
status = AE_NO_MEMORY;
goto cleanup2;
}
/* Setup the parameter objects */
args[0]->integer.value = region_obj->region.space_id;
args[1]->integer.value = function;
args[2] = NULL;
args[2] = NULL; /* Terminate list */
/* Execute the method, no return value */
@ -971,8 +1022,8 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node,
*/
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK,
acpi_ev_install_handler, handler_obj,
NULL);
acpi_ev_install_handler, NULL,
handler_obj, NULL);
unlock_and_exit:
return_ACPI_STATUS(status);
@ -1008,7 +1059,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
*/
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, node, ACPI_UINT32_MAX,
ACPI_NS_WALK_UNLOCK, acpi_ev_reg_run,
&space_id, NULL);
NULL, &space_id, NULL);
return_ACPI_STATUS(status);
}

4
drivers/acpi/acpica/exconfig.c
View file

@ -170,14 +170,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
/* Table not found, return an Integer=0 and AE_OK */
ddb_handle = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
ddb_handle = acpi_ut_create_integer_object((u64) 0);
if (!ddb_handle) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
ddb_handle->integer.value = 0;
*return_desc = ddb_handle;
return_ACPI_STATUS(AE_OK);
}

3
drivers/acpi/acpica/exconvrt.c
View file

@ -167,7 +167,7 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
/* Create a new integer */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_integer_object(result);
if (!return_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
@ -177,7 +177,6 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc,
/* Save the Result */
return_desc->integer.value = result;
acpi_ex_truncate_for32bit_table(return_desc);
*result_desc = return_desc;
return_ACPI_STATUS(AE_OK);

3
drivers/acpi/acpica/exfield.c
View file

@ -162,13 +162,12 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
} else {
/* Field will fit within an Integer (normal case) */
buffer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
buffer_desc = acpi_ut_create_integer_object((u64) 0);
if (!buffer_desc) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
length = acpi_gbl_integer_byte_width;
buffer_desc->integer.value = 0;
buffer = &buffer_desc->integer.value;
}

42
drivers/acpi/acpica/exoparg1.c
View file

@ -100,12 +100,12 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
/* Create a return object of type Integer */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
return_desc =
acpi_ut_create_integer_object(acpi_os_get_timer());
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
return_desc->integer.value = acpi_os_get_timer();
break;
default: /* Unknown opcode */
@ -599,7 +599,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
switch (walk_state->opcode) {
case AML_LNOT_OP: /* LNot (Operand) */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_integer_object((u64) 0);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
@ -702,13 +702,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
/* Allocate a descriptor to hold the type. */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_integer_object((u64) type);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
return_desc->integer.value = type;
break;
case AML_SIZE_OF_OP: /* size_of (source_object) */
@ -777,13 +775,11 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
* Now that we have the size of the object, create a result
* object to hold the value
*/
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_integer_object(value);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
return_desc->integer.value = value;
break;
case AML_REF_OF_OP: /* ref_of (source_object) */
@ -946,24 +942,24 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
* NOTE: index into a buffer is NOT a pointer to a
* sub-buffer of the main buffer, it is only a pointer to a
* single element (byte) of the buffer!
*/
return_desc =
acpi_ut_create_internal_object
(ACPI_TYPE_INTEGER);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
/*
*
* Since we are returning the value of the buffer at the
* indexed location, we don't need to add an additional
* reference to the buffer itself.
*/
return_desc->integer.value =
temp_desc->buffer.
pointer[operand[0]->reference.
value];
return_desc =
acpi_ut_create_integer_object((u64)
temp_desc->
buffer.
pointer
[operand
[0]->
reference.
value]);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
break;
case ACPI_TYPE_PACKAGE:

7
drivers/acpi/acpica/exoparg6.c
View file

@ -253,18 +253,15 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
}
/* Create an integer for the return value */
/* Default return value is ACPI_INTEGER_MAX if no match found */
return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
return_desc = acpi_ut_create_integer_object(ACPI_INTEGER_MAX);
if (!return_desc) {
status = AE_NO_MEMORY;
goto cleanup;
}
/* Default return value if no match found */
return_desc->integer.value = ACPI_INTEGER_MAX;
/*
* Examine each element until a match is found. Both match conditions
* must be satisfied for a match to occur. Within the loop,

4
drivers/acpi/acpica/nsdump.c
View file

@ -634,8 +634,8 @@ acpi_ns_dump_objects(acpi_object_type type,
(void)acpi_ns_walk_namespace(type, start_handle, max_depth,
ACPI_NS_WALK_NO_UNLOCK |
ACPI_NS_WALK_TEMP_NODES,
acpi_ns_dump_one_object, (void *)&info,
NULL);
acpi_ns_dump_one_object, NULL,
(void *)&info, NULL);
}
#endif /* ACPI_FUTURE_USAGE */

3
drivers/acpi/acpica/nsdumpdv.c
View file

@ -131,7 +131,8 @@ void acpi_ns_dump_root_devices(void)
status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, sys_bus_handle,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
acpi_ns_dump_one_device, NULL, NULL);
acpi_ns_dump_one_device, NULL, NULL,
NULL);
}
#endif

50
drivers/acpi/acpica/nseval.c
View file

@ -366,33 +366,49 @@ static void
acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
struct acpi_evaluate_info *info)
{
union acpi_operand_object *root_obj;
union acpi_operand_object *parent_obj;
struct acpi_namespace_node *parent_node;
acpi_object_type type;
acpi_status status;
ACPI_FUNCTION_TRACE(ns_exec_module_code);
/*
* Get the parent node. We cheat by using the next_object field
* of the method object descriptor.
*/
parent_node = ACPI_CAST_PTR(struct acpi_namespace_node,
method_obj->method.next_object);
type = acpi_ns_get_type(parent_node);
/* Must clear next_object (acpi_ns_attach_object needs the field) */
method_obj->method.next_object = NULL;
/* Initialize the evaluation information block */
ACPI_MEMSET(info, 0, sizeof(struct acpi_evaluate_info));
info->prefix_node = acpi_gbl_root_node;
info->prefix_node = parent_node;
/*
* Get the currently attached root object. Add a reference, because the
* Get the currently attached parent object. Add a reference, because the
* ref count will be decreased when the method object is installed to
* the root node.
* the parent node.
*/
root_obj = acpi_ns_get_attached_object(acpi_gbl_root_node);
acpi_ut_add_reference(root_obj);
parent_obj = acpi_ns_get_attached_object(parent_node);
if (parent_obj) {
acpi_ut_add_reference(parent_obj);
}
/* Install the method (module-level code) in the root node */
/* Install the method (module-level code) in the parent node */
status = acpi_ns_attach_object(acpi_gbl_root_node, method_obj,
status = acpi_ns_attach_object(parent_node, method_obj,
ACPI_TYPE_METHOD);
if (ACPI_FAILURE(status)) {
goto exit;
}
/* Execute the root node as a control method */
/* Execute the parent node as a control method */
status = acpi_ns_evaluate(info);
@ -401,15 +417,19 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
/* Detach the temporary method object */
acpi_ns_detach_object(acpi_gbl_root_node);
acpi_ns_detach_object(parent_node);
/* Restore the original root object */
/* Restore the original parent object */
status =
acpi_ns_attach_object(acpi_gbl_root_node, root_obj,
ACPI_TYPE_DEVICE);
if (parent_obj) {
status = acpi_ns_attach_object(parent_node, parent_obj, type);
} else {
parent_node->type = (u8)type;
}
exit:
acpi_ut_remove_reference(root_obj);
if (parent_obj) {
acpi_ut_remove_reference(parent_obj);
}
return_VOID;
}

8
drivers/acpi/acpica/nsinit.c
View file

@ -96,7 +96,7 @@ acpi_status acpi_ns_initialize_objects(void)
/* Walk entire namespace from the supplied root */
status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, acpi_ns_init_one_object,
ACPI_UINT32_MAX, acpi_ns_init_one_object, NULL,
&info, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
@ -156,7 +156,8 @@ acpi_status acpi_ns_initialize_devices(void)
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE,
acpi_ns_find_ini_methods, &info, NULL);
acpi_ns_find_ini_methods, NULL, &info,
NULL);
if (ACPI_FAILURE(status)) {
goto error_exit;
}
@ -189,7 +190,8 @@ acpi_status acpi_ns_initialize_devices(void)
status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, FALSE,
acpi_ns_init_one_device, &info, NULL);
acpi_ns_init_one_device, NULL, &info,
NULL);
ACPI_FREE(info.evaluate_info);
if (ACPI_FAILURE(status)) {

49
drivers/acpi/acpica/nspredef.c
View file

@ -232,6 +232,12 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
status = acpi_ns_check_package(data, return_object_ptr);
}
/*
* Perform additional, more complicated repairs on a per-name
* basis.
*/
status = acpi_ns_complex_repairs(data, node, status, return_object_ptr);
check_validation_status:
/*
* If the object validation failed or if we successfully repaired one
@ -601,7 +607,8 @@ acpi_ns_check_package(struct acpi_predefined_data *data,
* there is only one entry). We may be able to repair this by
* wrapping the returned Package with a new outer Package.
*/
if ((*elements)->common.type != ACPI_TYPE_PACKAGE) {
if (*elements
&& ((*elements)->common.type != ACPI_TYPE_PACKAGE)) {
/* Create the new outer package and populate it */
@ -673,6 +680,7 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
union acpi_operand_object *sub_package;
union acpi_operand_object **sub_elements;
acpi_status status;
u8 non_trailing_null = FALSE;
u32 expected_count;
u32 i;
u32 j;
@ -680,6 +688,45 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data,
/* Validate each sub-Package in the parent Package */
for (i = 0; i < count; i++) {
/*
* Handling for NULL package elements. For now, we will simply allow
* a parent package with trailing NULL elements. This can happen if
* the package was defined to be longer than the initializer list.
* This is legal as per the ACPI specification. It is often used
* to allow for dynamic initialization of a Package.
*
* A future enhancement may be to simply truncate the package to
* remove the trailing NULL elements.
*/
if (!(*elements)) {
if (!non_trailing_null) {
/* Ensure the remaining elements are all NULL */
for (j = 1; j < (count - i + 1); j++) {
if (elements[j]) {
non_trailing_null = TRUE;
}
}
if (!non_trailing_null) {
/* Ignore the trailing NULL elements */
return (AE_OK);
}
}
/* There are trailing non-null elements, issue warning */
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"Found NULL element at package index %u",
i));
elements++;
continue;
}
sub_package = *elements;
sub_elements = sub_package->package.elements;

116
drivers/acpi/acpica/nsrepair.c
View file

@ -44,6 +44,7 @@
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acinterp.h"
#include "acpredef.h"
#define _COMPONENT ACPI_NAMESPACE
@ -76,7 +77,13 @@ acpi_ns_repair_object(struct acpi_predefined_data *data,
union acpi_operand_object *return_object = *return_object_ptr;
union acpi_operand_object *new_object;
acpi_size length;
acpi_status status;
/*
* At this point, we know that the type of the returned object was not
* one of the expected types for this predefined name. Attempt to
* repair the object. Only a limited number of repairs are possible.
*/
switch (return_object->common.type) {
case ACPI_TYPE_BUFFER:
@ -111,43 +118,94 @@ acpi_ns_repair_object(struct acpi_predefined_data *data,
*/
ACPI_MEMCPY(new_object->string.pointer,
return_object->buffer.pointer, length);
break;
/*
* If the original object is a package element, we need to:
* 1. Set the reference count of the new object to match the
* reference count of the old object.
* 2. Decrement the reference count of the original object.
*/
if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
new_object->common.reference_count =
return_object->common.reference_count;
case ACPI_TYPE_INTEGER:
if (return_object->common.reference_count > 1) {
return_object->common.reference_count--;
/* 1) Does the method/object legally return a buffer? */
if (expected_btypes & ACPI_RTYPE_BUFFER) {
/*
* Convert the Integer to a packed-byte buffer. _MAT needs
* this sometimes, if a read has been performed on a Field
* object that is less than or equal to the global integer
* size (32 or 64 bits).
*/
status =
acpi_ex_convert_to_buffer(return_object,
&new_object);
if (ACPI_FAILURE(status)) {
return (status);
}
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"Converted Buffer to expected String at index %u",
package_index));
} else {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"Converted Buffer to expected String"));
}
/* Delete old object, install the new return object */
/* 2) Does the method/object legally return a string? */
acpi_ut_remove_reference(return_object);
*return_object_ptr = new_object;
data->flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
else if (expected_btypes & ACPI_RTYPE_STRING) {
/*
* The only supported Integer-to-String conversion is to convert
* an integer of value 0 to a NULL string. The last element of
* _BIF and _BIX packages occasionally need this fix.
*/
if (return_object->integer.value != 0) {
return (AE_AML_OPERAND_TYPE);
}
/* Allocate a new NULL string object */
new_object = acpi_ut_create_string_object(0);
if (!new_object) {
return (AE_NO_MEMORY);
}
} else {
return (AE_AML_OPERAND_TYPE);
}
break;
default:
break;
/* We cannot repair this object */
return (AE_AML_OPERAND_TYPE);
}
return (AE_AML_OPERAND_TYPE);
/* Object was successfully repaired */
/*
* If the original object is a package element, we need to:
* 1. Set the reference count of the new object to match the
* reference count of the old object.
* 2. Decrement the reference count of the original object.
*/
if (package_index != ACPI_NOT_PACKAGE_ELEMENT) {
new_object->common.reference_count =
return_object->common.reference_count;
if (return_object->common.reference_count > 1) {
return_object->common.reference_count--;
}
ACPI_INFO_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
"Converted %s to expected %s at index %u",
acpi_ut_get_object_type_name
(return_object),
acpi_ut_get_object_type_name(new_object),
package_index));
} else {
ACPI_INFO_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
"Converted %s to expected %s",
acpi_ut_get_object_type_name
(return_object),
acpi_ut_get_object_type_name
(new_object)));
}
/* Delete old object, install the new return object */
acpi_ut_remove_reference(return_object);
*return_object_ptr = new_object;
data->flags |= ACPI_OBJECT_REPAIRED;
return (AE_OK);
}
/*******************************************************************************
@ -196,8 +254,8 @@ acpi_ns_repair_package_list(struct acpi_predefined_data *data,
*obj_desc_ptr = pkg_obj_desc;
data->flags |= ACPI_OBJECT_REPAIRED;
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
"Incorrectly formed Package, attempting repair"));
ACPI_INFO_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
"Repaired Incorrectly formed Package"));
return (AE_OK);
}

540
drivers/acpi/acpica/nsrepair2.c Normal file
View file

@ -0,0 +1,540 @@
/******************************************************************************
*
* Module Name: nsrepair2 - Repair for objects returned by specific
* predefined methods
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2009, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsrepair2")
/*
* Information structure and handler for ACPI predefined names that can
* be repaired on a per-name basis.
*/
typedef
acpi_status(*acpi_repair_function) (struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr);
typedef struct acpi_repair_info {
char name[ACPI_NAME_SIZE];
acpi_repair_function repair_function;
} acpi_repair_info;
/* Local prototypes */
static const struct acpi_repair_info *acpi_ns_match_repairable_name(struct
acpi_namespace_node
*node);
static acpi_status
acpi_ns_repair_ALR(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_PSS(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_repair_TSS(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr);
static acpi_status
acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
union acpi_operand_object *return_object,
u32 expected_count,
u32 sort_index,
u8 sort_direction, char *sort_key_name);
static acpi_status
acpi_ns_remove_null_elements(union acpi_operand_object *package);
static acpi_status
acpi_ns_sort_list(union acpi_operand_object **elements,
u32 count, u32 index, u8 sort_direction);
/* Values for sort_direction above */
#define ACPI_SORT_ASCENDING 0
#define ACPI_SORT_DESCENDING 1
/*
* This table contains the names of the predefined methods for which we can
* perform more complex repairs.
*
* _ALR: Sort the list ascending by ambient_illuminance if necessary
* _PSS: Sort the list descending by Power if necessary
* _TSS: Sort the list descending by Power if necessary
*/
static const struct acpi_repair_info acpi_ns_repairable_names[] = {
{"_ALR", acpi_ns_repair_ALR},
{"_PSS", acpi_ns_repair_PSS},
{"_TSS", acpi_ns_repair_TSS},
{{0, 0, 0, 0}, NULL} /* Table terminator */
};
/******************************************************************************
*
* FUNCTION: acpi_ns_complex_repairs
*
* PARAMETERS: Data - Pointer to validation data structure
* Node - Namespace node for the method/object
* validate_status - Original status of earlier validation
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
* RETURN: Status. AE_OK if repair was successful. If name is not
* matched, validate_status is returned.
*
* DESCRIPTION: Attempt to repair/convert a return object of a type that was
* not expected.
*
*****************************************************************************/
acpi_status
acpi_ns_complex_repairs(struct acpi_predefined_data *data,
struct acpi_namespace_node *node,
acpi_status validate_status,
union acpi_operand_object **return_object_ptr)
{
const struct acpi_repair_info *predefined;
acpi_status status;
/* Check if this name is in the list of repairable names */
predefined = acpi_ns_match_repairable_name(node);
if (!predefined) {
return (validate_status);
}
status = predefined->repair_function(data, return_object_ptr);
return (status);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_match_repairable_name
*
* PARAMETERS: Node - Namespace node for the method/object
*
* RETURN: Pointer to entry in repair table. NULL indicates not found.
*
* DESCRIPTION: Check an object name against the repairable object list.
*
*****************************************************************************/
static const struct acpi_repair_info *acpi_ns_match_repairable_name(struct
acpi_namespace_node
*node)
{
const struct acpi_repair_info *this_name;
/* Search info table for a repairable predefined method/object name */
this_name = acpi_ns_repairable_names;
while (this_name->repair_function) {
if (ACPI_COMPARE_NAME(node->name.ascii, this_name->name)) {
return (this_name);
}
this_name++;
}
return (NULL); /* Not found */
}
/******************************************************************************
*
* FUNCTION: acpi_ns_repair_ALR
*
* PARAMETERS: Data - Pointer to validation data structure
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
* RETURN: Status. AE_OK if object is OK or was repaired successfully
*
* DESCRIPTION: Repair for the _ALR object. If necessary, sort the object list
* ascending by the ambient illuminance values.
*
*****************************************************************************/
static acpi_status
acpi_ns_repair_ALR(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
acpi_status status;
status = acpi_ns_check_sorted_list(data, return_object, 2, 1,
ACPI_SORT_ASCENDING,
"AmbientIlluminance");
return (status);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_repair_TSS
*
* PARAMETERS: Data - Pointer to validation data structure
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
* RETURN: Status. AE_OK if object is OK or was repaired successfully
*
* DESCRIPTION: Repair for the _TSS object. If necessary, sort the object list
* descending by the power dissipation values.
*
*****************************************************************************/
static acpi_status
acpi_ns_repair_TSS(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
acpi_status status;
status = acpi_ns_check_sorted_list(data, return_object, 5, 1,
ACPI_SORT_DESCENDING,
"PowerDissipation");
return (status);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_repair_PSS
*
* PARAMETERS: Data - Pointer to validation data structure
* return_object_ptr - Pointer to the object returned from the
* evaluation of a method or object
*
* RETURN: Status. AE_OK if object is OK or was repaired successfully
*
* DESCRIPTION: Repair for the _PSS object. If necessary, sort the object list
* by the CPU frequencies. Check that the power dissipation values
* are all proportional to CPU frequency (i.e., sorting by
* frequency should be the same as sorting by power.)
*
*****************************************************************************/
static acpi_status
acpi_ns_repair_PSS(struct acpi_predefined_data *data,
union acpi_operand_object **return_object_ptr)
{
union acpi_operand_object *return_object = *return_object_ptr;
union acpi_operand_object **outer_elements;
u32 outer_element_count;
union acpi_operand_object **elements;
union acpi_operand_object *obj_desc;
u32 previous_value;
acpi_status status;
u32 i;
/*
* Entries (sub-packages) in the _PSS Package must be sorted by power
* dissipation, in descending order. If it appears that the list is
* incorrectly sorted, sort it. We sort by cpu_frequency, since this
* should be proportional to the power.
*/
status = acpi_ns_check_sorted_list(data, return_object, 6, 0,
ACPI_SORT_DESCENDING,
"CpuFrequency");
if (ACPI_FAILURE(status)) {
return (status);
}
/*
* We now know the list is correctly sorted by CPU frequency. Check if
* the power dissipation values are proportional.
*/
previous_value = ACPI_UINT32_MAX;
outer_elements = return_object->package.elements;
outer_element_count = return_object->package.count;
for (i = 0; i < outer_element_count; i++) {
elements = (*outer_elements)->package.elements;
obj_desc = elements[1]; /* Index1 = power_dissipation */
if ((u32) obj_desc->integer.value > previous_value) {
ACPI_WARN_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"SubPackage[%u,%u] - suspicious power dissipation values",
i - 1, i));
}
previous_value = (u32) obj_desc->integer.value;
outer_elements++;
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_check_sorted_list
*
* PARAMETERS: Data - Pointer to validation data structure
* return_object - Pointer to the top-level returned object
* expected_count - Minimum length of each sub-package
* sort_index - Sub-package entry to sort on
* sort_direction - Ascending or descending
* sort_key_name - Name of the sort_index field
*
* RETURN: Status. AE_OK if the list is valid and is sorted correctly or
* has been repaired by sorting the list.
*
* DESCRIPTION: Check if the package list is valid and sorted correctly by the
* sort_index. If not, then sort the list.
*
*****************************************************************************/
static acpi_status
acpi_ns_check_sorted_list(struct acpi_predefined_data *data,
union acpi_operand_object *return_object,
u32 expected_count,
u32 sort_index,
u8 sort_direction, char *sort_key_name)
{
u32 outer_element_count;
union acpi_operand_object **outer_elements;
union acpi_operand_object **elements;
union acpi_operand_object *obj_desc;
u32 i;
u32 previous_value;
acpi_status status;
/* The top-level object must be a package */
if (return_object->common.type != ACPI_TYPE_PACKAGE) {
return (AE_AML_OPERAND_TYPE);
}
/*
* Detect any NULL package elements and remove them from the
* package.
*
* TBD: We may want to do this for all predefined names that
* return a variable-length package of packages.
*/
status = acpi_ns_remove_null_elements(return_object);
if (status == AE_NULL_ENTRY) {
ACPI_INFO_PREDEFINED((AE_INFO, data->pathname, data->node_flags,
"NULL elements removed from package"));
/* Exit if package is now zero length */
if (!return_object->package.count) {
return (AE_NULL_ENTRY);
}
}
outer_elements = return_object->package.elements;
outer_element_count = return_object->package.count;
if (!outer_element_count) {
return (AE_AML_PACKAGE_LIMIT);
}
previous_value = 0;
if (sort_direction == ACPI_SORT_DESCENDING) {
previous_value = ACPI_UINT32_MAX;
}
/* Examine each subpackage */
for (i = 0; i < outer_element_count; i++) {
/* Each element of the top-level package must also be a package */
if ((*outer_elements)->common.type != ACPI_TYPE_PACKAGE) {
return (AE_AML_OPERAND_TYPE);
}
/* Each sub-package must have the minimum length */
if ((*outer_elements)->package.count < expected_count) {
return (AE_AML_PACKAGE_LIMIT);
}
elements = (*outer_elements)->package.elements;
obj_desc = elements[sort_index];
if (obj_desc->common.type != ACPI_TYPE_INTEGER) {
return (AE_AML_OPERAND_TYPE);
}
/*
* The list must be sorted in the specified order. If we detect a
* discrepancy, issue a warning and sort the entire list
*/
if (((sort_direction == ACPI_SORT_ASCENDING) &&
(obj_desc->integer.value < previous_value)) ||
((sort_direction == ACPI_SORT_DESCENDING) &&
(obj_desc->integer.value > previous_value))) {
status =
acpi_ns_sort_list(return_object->package.elements,
outer_element_count, sort_index,
sort_direction);
if (ACPI_FAILURE(status)) {
return (status);
}
data->flags |= ACPI_OBJECT_REPAIRED;
ACPI_INFO_PREDEFINED((AE_INFO, data->pathname,
data->node_flags,
"Repaired unsorted list - now sorted by %s",
sort_key_name));
return (AE_OK);
}
previous_value = (u32) obj_desc->integer.value;
outer_elements++;
}
return (AE_OK);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_remove_null_elements
*
* PARAMETERS: obj_desc - A Package object
*
* RETURN: Status. AE_NULL_ENTRY means that one or more elements were
* removed.
*
* DESCRIPTION: Remove all NULL package elements and update the package count.
*
*****************************************************************************/
static acpi_status
acpi_ns_remove_null_elements(union acpi_operand_object *obj_desc)
{
union acpi_operand_object **source;
union acpi_operand_object **dest;
acpi_status status = AE_OK;
u32 count;
u32 new_count;
u32 i;
count = obj_desc->package.count;
new_count = count;
source = obj_desc->package.elements;
dest = source;
/* Examine all elements of the package object */
for (i = 0; i < count; i++) {
if (!*source) {
status = AE_NULL_ENTRY;
new_count--;
} else {
*dest = *source;
dest++;
}
source++;
}
if (status == AE_NULL_ENTRY) {
/* NULL terminate list and update the package count */
*dest = NULL;
obj_desc->package.count = new_count;
}
return (status);
}
/******************************************************************************
*
* FUNCTION: acpi_ns_sort_list
*
* PARAMETERS: Elements - Package object element list
* Count - Element count for above
* Index - Sort by which package element
* sort_direction - Ascending or Descending sort
*
* RETURN: Status
*
* DESCRIPTION: Sort the objects that are in a package element list.
*
* NOTE: Assumes that all NULL elements have been removed from the package.
*
*****************************************************************************/
static acpi_status
acpi_ns_sort_list(union acpi_operand_object **elements,
u32 count, u32 index, u8 sort_direction)
{
union acpi_operand_object *obj_desc1;
union acpi_operand_object *obj_desc2;
union acpi_operand_object *temp_obj;
u32 i;
u32 j;
/* Simple bubble sort */
for (i = 1; i < count; i++) {
for (j = (count - 1); j >= i; j--) {
obj_desc1 = elements[j - 1]->package.elements[index];
obj_desc2 = elements[j]->package.elements[index];
if (((sort_direction == ACPI_SORT_ASCENDING) &&
(obj_desc1->integer.value >
obj_desc2->integer.value))
|| ((sort_direction == ACPI_SORT_DESCENDING)
&& (obj_desc1->integer.value <
obj_desc2->integer.value))) {
temp_obj = elements[j - 1];
elements[j - 1] = elements[j];
elements[j] = temp_obj;
}
}
}
return (AE_OK);
}

238
drivers/acpi/acpica/nswalk.c
View file

@ -165,24 +165,27 @@ struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
* max_depth - Depth to which search is to reach
* Flags - Whether to unlock the NS before invoking
* the callback routine
* user_function - Called when an object of "Type" is found
* Context - Passed to user function
* return_value - from the user_function if terminated early.
* Otherwise, returns NULL.
* pre_order_visit - Called during tree pre-order visit
* when an object of "Type" is found
* post_order_visit - Called during tree post-order visit
* when an object of "Type" is found
* Context - Passed to user function(s) above
* return_value - from the user_function if terminated
* early. Otherwise, returns NULL.
* RETURNS: Status
*
* DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
* starting (and ending) at the node specified by start_handle.
* The user_function is called whenever a node that matches
* the type parameter is found. If the user function returns
* The callback function is called whenever a node that matches
* the type parameter is found. If the callback function returns
* a non-zero value, the search is terminated immediately and
* this value is returned to the caller.
*
* The point of this procedure is to provide a generic namespace
* walk routine that can be called from multiple places to
* provide multiple services; the User Function can be tailored
* to each task, whether it is a print function, a compare
* function, etc.
* provide multiple services; the callback function(s) can be
* tailored to each task, whether it is a print function,
* a compare function, etc.
*
******************************************************************************/
@ -191,7 +194,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
acpi_handle start_node,
u32 max_depth,
u32 flags,
acpi_walk_callback user_function,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
void *context, void **return_value)
{
acpi_status status;
@ -200,6 +204,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
struct acpi_namespace_node *parent_node;
acpi_object_type child_type;
u32 level;
u8 node_previously_visited = FALSE;
ACPI_FUNCTION_TRACE(ns_walk_namespace);
@ -212,7 +217,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
/* Null child means "get first node" */
parent_node = start_node;
child_node = NULL;
child_node = acpi_ns_get_next_node(parent_node, NULL);
child_type = ACPI_TYPE_ANY;
level = 1;
@ -221,102 +226,129 @@ acpi_ns_walk_namespace(acpi_object_type type,
* started. When Level is zero, the loop is done because we have
* bubbled up to (and passed) the original parent handle (start_entry)
*/
while (level > 0) {
/* Get the next node in this scope. Null if not found */
while (level > 0 && child_node) {
status = AE_OK;
/* Found next child, get the type if we are not searching for ANY */
if (type != ACPI_TYPE_ANY) {
child_type = child_node->type;
}
/*
* Ignore all temporary namespace nodes (created during control
* method execution) unless told otherwise. These temporary nodes
* can cause a race condition because they can be deleted during
* the execution of the user function (if the namespace is
* unlocked before invocation of the user function.) Only the
* debugger namespace dump will examine the temporary nodes.
*/
if ((child_node->flags & ANOBJ_TEMPORARY) &&
!(flags & ACPI_NS_WALK_TEMP_NODES)) {
status = AE_CTRL_DEPTH;
}
/* Type must match requested type */
else if (child_type == type) {
/*
* Found a matching node, invoke the user callback function.
* Unlock the namespace if flag is set.
*/
if (flags & ACPI_NS_WALK_UNLOCK) {
mutex_status =
acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(mutex_status)) {
return_ACPI_STATUS(mutex_status);
}
}
/*
* Invoke the user function, either pre-order or post-order
* or both.
*/
if (!node_previously_visited) {
if (pre_order_visit) {
status =
pre_order_visit(child_node, level,
context,
return_value);
}
} else {
if (post_order_visit) {
status =
post_order_visit(child_node, level,
context,
return_value);
}
}
if (flags & ACPI_NS_WALK_UNLOCK) {
mutex_status =
acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(mutex_status)) {
return_ACPI_STATUS(mutex_status);
}
}
switch (status) {
case AE_OK:
case AE_CTRL_DEPTH:
/* Just keep going */
break;
case AE_CTRL_TERMINATE:
/* Exit now, with OK status */
return_ACPI_STATUS(AE_OK);
default:
/* All others are valid exceptions */
return_ACPI_STATUS(status);
}
}
/*
* Depth first search: Attempt to go down another level in the
* namespace if we are allowed to. Don't go any further if we have
* reached the caller specified maximum depth or if the user
* function has specified that the maximum depth has been reached.
*/
if (!node_previously_visited &&
(level < max_depth) && (status != AE_CTRL_DEPTH)) {
if (child_node->child) {
/* There is at least one child of this node, visit it */
level++;
parent_node = child_node;
child_node =
acpi_ns_get_next_node(parent_node, NULL);
continue;
}
}
/* No more children, re-visit this node */
if (!node_previously_visited) {
node_previously_visited = TRUE;
continue;
}
/* No more children, visit peers */
child_node = acpi_ns_get_next_node(parent_node, child_node);
if (child_node) {
node_previously_visited = FALSE;
}
/* Found next child, get the type if we are not searching for ANY */
/* No peers, re-visit parent */
if (type != ACPI_TYPE_ANY) {
child_type = child_node->type;
}
/*
* Ignore all temporary namespace nodes (created during control
* method execution) unless told otherwise. These temporary nodes
* can cause a race condition because they can be deleted during
* the execution of the user function (if the namespace is
* unlocked before invocation of the user function.) Only the
* debugger namespace dump will examine the temporary nodes.
*/
if ((child_node->flags & ANOBJ_TEMPORARY) &&
!(flags & ACPI_NS_WALK_TEMP_NODES)) {
status = AE_CTRL_DEPTH;
}
/* Type must match requested type */
else if (child_type == type) {
/*
* Found a matching node, invoke the user callback function.
* Unlock the namespace if flag is set.
*/
if (flags & ACPI_NS_WALK_UNLOCK) {
mutex_status =
acpi_ut_release_mutex
(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(mutex_status)) {
return_ACPI_STATUS
(mutex_status);
}
}
status =
user_function(child_node, level, context,
return_value);
if (flags & ACPI_NS_WALK_UNLOCK) {
mutex_status =
acpi_ut_acquire_mutex
(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(mutex_status)) {
return_ACPI_STATUS
(mutex_status);
}
}
switch (status) {
case AE_OK:
case AE_CTRL_DEPTH:
/* Just keep going */
break;
case AE_CTRL_TERMINATE:
/* Exit now, with OK status */
return_ACPI_STATUS(AE_OK);
default:
/* All others are valid exceptions */
return_ACPI_STATUS(status);
}
}
/*
* Depth first search: Attempt to go down another level in the
* namespace if we are allowed to. Don't go any further if we have
* reached the caller specified maximum depth or if the user
* function has specified that the maximum depth has been reached.
*/
if ((level < max_depth) && (status != AE_CTRL_DEPTH)) {
if (child_node->child) {
/* There is at least one child of this node, visit it */
level++;
parent_node = child_node;
child_node = NULL;
}
}
} else {
else {
/*
* No more children of this node (acpi_ns_get_next_node failed), go
* back upwards in the namespace tree to the node's parent.
@ -324,6 +356,8 @@ acpi_ns_walk_namespace(acpi_object_type type,
level--;
child_node = parent_node;
parent_node = acpi_ns_get_parent_node(parent_node);
node_previously_visited = TRUE;
}
}

32
drivers/acpi/acpica/nsxfeval.c
View file

@ -433,8 +433,11 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
* PARAMETERS: Type - acpi_object_type to search for
* start_object - Handle in namespace where search begins
* max_depth - Depth to which search is to reach
* user_function - Called when an object of "Type" is found
* Context - Passed to user function
* pre_order_visit - Called during tree pre-order visit
* when an object of "Type" is found
* post_order_visit - Called during tree post-order visit
* when an object of "Type" is found
* Context - Passed to user function(s) above
* return_value - Location where return value of
* user_function is put if terminated early
*
@ -443,16 +446,16 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info)
*
* DESCRIPTION: Performs a modified depth-first walk of the namespace tree,
* starting (and ending) at the object specified by start_handle.
* The user_function is called whenever an object that matches
* the type parameter is found. If the user function returns
* The callback function is called whenever an object that matches
* the type parameter is found. If the callback function returns
* a non-zero value, the search is terminated immediately and this
* value is returned to the caller.
*
* The point of this procedure is to provide a generic namespace
* walk routine that can be called from multiple places to
* provide multiple services; the User Function can be tailored
* to each task, whether it is a print function, a compare
* function, etc.
* provide multiple services; the callback function(s) can be
* tailored to each task, whether it is a print function,
* a compare function, etc.
*
******************************************************************************/
@ -460,7 +463,8 @@ acpi_status
acpi_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
acpi_walk_callback user_function,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
void *context, void **return_value)
{
acpi_status status;
@ -469,7 +473,8 @@ acpi_walk_namespace(acpi_object_type type,
/* Parameter validation */
if ((type > ACPI_TYPE_LOCAL_MAX) || (!max_depth) || (!user_function)) {
if ((type > ACPI_TYPE_LOCAL_MAX) ||
(!max_depth) || (!pre_order_visit && !post_order_visit)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@ -501,8 +506,9 @@ acpi_walk_namespace(acpi_object_type type,
}
status = acpi_ns_walk_namespace(type, start_object, max_depth,
ACPI_NS_WALK_UNLOCK, user_function,
context, return_value);
ACPI_NS_WALK_UNLOCK, pre_order_visit,
post_order_visit, context,
return_value);
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
@ -681,8 +687,8 @@ acpi_get_devices(const char *HID,
status = acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
acpi_ns_get_device_callback, &info,
return_value);
acpi_ns_get_device_callback, NULL,
&info, return_value);
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_ACPI_STATUS(status);

32
drivers/acpi/acpica/psloop.c
View file

@ -87,7 +87,8 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
union acpi_parse_object *op, acpi_status status);
static void
acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id);
acpi_ps_link_module_code(union acpi_parse_object *parent_op,
u8 *aml_start, u32 aml_length, acpi_owner_id owner_id);
/*******************************************************************************
*
@ -479,11 +480,14 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
*/
if (walk_state->pass_number ==
ACPI_IMODE_LOAD_PASS1) {
acpi_ps_link_module_code(aml_op_start,
walk_state->
acpi_ps_link_module_code(op->common.
parent,
aml_op_start,
(u32)
(walk_state->
parser_state.
pkg_end -
aml_op_start,
aml_op_start),
walk_state->
owner_id);
}
@ -598,7 +602,8 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
*
* FUNCTION: acpi_ps_link_module_code
*
* PARAMETERS: aml_start - Pointer to the AML
* PARAMETERS: parent_op - Parent parser op
* aml_start - Pointer to the AML
* aml_length - Length of executable AML
* owner_id - owner_id of module level code
*
@ -611,11 +616,13 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
******************************************************************************/
static void
acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
acpi_ps_link_module_code(union acpi_parse_object *parent_op,
u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
{
union acpi_operand_object *prev;
union acpi_operand_object *next;
union acpi_operand_object *method_obj;
struct acpi_namespace_node *parent_node;
/* Get the tail of the list */
@ -639,11 +646,24 @@ acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id)
return;
}
if (parent_op->common.node) {
parent_node = parent_op->common.node;
} else {
parent_node = acpi_gbl_root_node;
}
method_obj->method.aml_start = aml_start;
method_obj->method.aml_length = aml_length;
method_obj->method.owner_id = owner_id;
method_obj->method.flags |= AOPOBJ_MODULE_LEVEL;
/*
* Save the parent node in next_object. This is cheating, but we
* don't want to expand the method object.
*/
method_obj->method.next_object =
ACPI_CAST_PTR(union acpi_operand_object, parent_node);
if (!prev) {
acpi_gbl_module_code_list = method_obj;
} else {

8
drivers/acpi/acpica/psparse.c
View file

@ -610,17 +610,13 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
implicit_return_obj) {
previous_walk_state->
implicit_return_obj =
acpi_ut_create_internal_object
(ACPI_TYPE_INTEGER);
acpi_ut_create_integer_object
((u64) 0);
if (!previous_walk_state->
implicit_return_obj) {
return_ACPI_STATUS
(AE_NO_MEMORY);
}
previous_walk_state->
implicit_return_obj->
integer.value = 0;
}
/* Restart the calling control method */

4
drivers/acpi/acpica/psxface.c
View file

@ -306,14 +306,12 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
*/
if (acpi_gbl_enable_interpreter_slack) {
walk_state->implicit_return_obj =
acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
acpi_ut_create_integer_object((u64) 0);
if (!walk_state->implicit_return_obj) {
status = AE_NO_MEMORY;
acpi_ds_delete_walk_state(walk_state);
goto cleanup;
}
walk_state->implicit_return_obj->integer.value = 0;
}
/* Parse the AML */

42
drivers/acpi/acpica/utmisc.c
View file

@ -1161,3 +1161,45 @@ acpi_ut_predefined_warning(const char *module_name,
ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_predefined_info
*
* PARAMETERS: module_name - Caller's module name (for error output)
* line_number - Caller's line number (for error output)
* Pathname - Full pathname to the node
* node_flags - From Namespace node for the method/object
* Format - Printf format string + additional args
*
* RETURN: None
*
* DESCRIPTION: Info messages for the predefined validation module. Messages
* are only emitted the first time a problem with a particular
* method/object is detected. This prevents a flood of
* messages for methods that are repeatedly evaluated.
*
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_predefined_info(const char *module_name,
u32 line_number,
char *pathname, u8 node_flags, const char *format, ...)
{
va_list args;
/*
* Warning messages for this method/object will be disabled after the
* first time a validation fails or an object is successfully repaired.
*/
if (node_flags & ANOBJ_EVALUATED) {
return;
}
acpi_os_printf("ACPI Info for %s: ", pathname);
va_start(args, format);
acpi_os_vprintf(format, args);
ACPI_COMMON_MSG_SUFFIX;
va_end(args);
}

29
drivers/acpi/acpica/utobject.c
View file

@ -188,6 +188,35 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count)
return_PTR(package_desc);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_integer_object
*
* PARAMETERS: initial_value - Initial value for the integer
*
* RETURN: Pointer to a new Integer object, null on failure
*
* DESCRIPTION: Create an initialized integer object
*
******************************************************************************/
union acpi_operand_object *acpi_ut_create_integer_object(u64 initial_value)
{
union acpi_operand_object *integer_desc;
ACPI_FUNCTION_TRACE(ut_create_integer_object);
/* Create and initialize a new integer object */
integer_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!integer_desc) {
return_PTR(NULL);
}
integer_desc->integer.value = initial_value;
return_PTR(integer_desc);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_buffer_object

4
drivers/acpi/container.c
View file

@ -258,7 +258,7 @@ static int __init acpi_container_init(void)
acpi_walk_namespace(ACPI_TYPE_DEVICE,
ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
container_walk_namespace_cb, &action, NULL);
container_walk_namespace_cb, NULL, &action, NULL);
return (0);
}
@ -271,7 +271,7 @@ static void __exit acpi_container_exit(void)
acpi_walk_namespace(ACPI_TYPE_DEVICE,
ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
container_walk_namespace_cb, &action, NULL);
container_walk_namespace_cb, NULL, &action, NULL);
acpi_bus_unregister_driver(&acpi_container_driver);

8
drivers/acpi/dock.c
View file

@ -1030,8 +1030,8 @@ static int dock_add(acpi_handle handle)
/* Find dependent devices */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, find_dock_devices, dock_station,
NULL);
ACPI_UINT32_MAX, find_dock_devices, NULL,
dock_station, NULL);
/* add the dock station as a device dependent on itself */
dd = alloc_dock_dependent_device(handle);
@ -1127,11 +1127,11 @@ static int __init dock_init(void)
/* look for a dock station */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, find_dock, NULL, NULL);
ACPI_UINT32_MAX, find_dock, NULL, NULL, NULL);
/* look for bay */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, find_bay, NULL, NULL);
ACPI_UINT32_MAX, find_bay, NULL, NULL, NULL);
if (!dock_station_count) {
printk(KERN_INFO PREFIX "No dock devices found.\n");
return 0;

2
drivers/acpi/ec.c
View file

@ -820,7 +820,7 @@ static int acpi_ec_add(struct acpi_device *device)
/* Find and register all query methods */
acpi_walk_namespace(ACPI_TYPE_METHOD, ec->handle, 1,
acpi_ec_register_query_methods, ec, NULL);
acpi_ec_register_query_methods, NULL, ec, NULL);
if (!first_ec)
first_ec = ec;

2
drivers/acpi/glue.c
View file

@ -113,7 +113,7 @@ acpi_handle acpi_get_child(acpi_handle parent, acpi_integer address)
if (!parent)
return NULL;
acpi_walk_namespace(ACPI_TYPE_DEVICE, parent,
1, do_acpi_find_child, &find, NULL);
1, do_acpi_find_child, NULL, &find, NULL);
return find.handle;
}

8
drivers/acpi/pci_slot.c
View file

@ -219,12 +219,12 @@ walk_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
dbg("p2p bridge walk, pci_bus = %x\n", dev->subordinate->number);
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
user_function, &child_context, NULL);
user_function, NULL, &child_context, NULL);
if (ACPI_FAILURE(status))
goto out;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
walk_p2p_bridge, &child_context, NULL);
walk_p2p_bridge, NULL, &child_context, NULL);
out:
pci_dev_put(dev);
return AE_OK;
@ -277,12 +277,12 @@ walk_root_bridge(acpi_handle handle, acpi_walk_callback user_function)
dbg("root bridge walk, pci_bus = %x\n", pci_bus->number);
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
user_function, &context, NULL);
user_function, NULL, &context, NULL);
if (ACPI_FAILURE(status))
return status;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
walk_p2p_bridge, &context, NULL);
walk_p2p_bridge, NULL, &context, NULL);
if (ACPI_FAILURE(status))
err("%s: walk_p2p_bridge failure - %d\n", __func__, status);

4
drivers/acpi/processor_core.c
View file

@ -1102,7 +1102,7 @@ void acpi_processor_install_hotplug_notify(void)
acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
processor_walk_namespace_cb, &action, NULL);
processor_walk_namespace_cb, NULL, &action, NULL);
#endif
register_hotcpu_notifier(&acpi_cpu_notifier);
}
@ -1115,7 +1115,7 @@ void acpi_processor_uninstall_hotplug_notify(void)
acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
processor_walk_namespace_cb, &action, NULL);
processor_walk_namespace_cb, NULL, &action, NULL);
#endif
unregister_hotcpu_notifier(&acpi_cpu_notifier);
}

2
drivers/acpi/scan.c
View file

@ -1332,7 +1332,7 @@ static int acpi_bus_scan(acpi_handle handle, struct acpi_bus_ops *ops,
status = acpi_bus_check_add(handle, 0, ops, &device);
if (ACPI_SUCCESS(status))
acpi_walk_namespace(ACPI_TYPE_ANY, handle, ACPI_UINT32_MAX,
acpi_bus_check_add, ops, &device);
acpi_bus_check_add, NULL, ops, &device);
if (child)
*child = device;

6
drivers/acpi/video_detect.c
View file

@ -101,7 +101,7 @@ long acpi_is_video_device(struct acpi_device *device)
/* Only check for backlight functionality if one of the above hit. */
if (video_caps)
acpi_walk_namespace(ACPI_TYPE_DEVICE, device->handle,
ACPI_UINT32_MAX, acpi_backlight_cap_match,
ACPI_UINT32_MAX, acpi_backlight_cap_match, NULL,
&video_caps, NULL);
return video_caps;
@ -151,7 +151,7 @@ long acpi_video_get_capabilities(acpi_handle graphics_handle)
if (!graphics_handle) {
/* Only do the global walk through all graphics devices once */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, find_video,
ACPI_UINT32_MAX, find_video, NULL,
&caps, NULL);
/* There might be boot param flags set already... */
acpi_video_support |= caps;
@ -173,7 +173,7 @@ long acpi_video_get_capabilities(acpi_handle graphics_handle)
return 0;
}
acpi_walk_namespace(ACPI_TYPE_DEVICE, graphics_handle,
ACPI_UINT32_MAX, find_video,
ACPI_UINT32_MAX, find_video, NULL,
&caps, NULL);
}
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "We have 0x%lX video support %s %s\n",

2
drivers/gpu/drm/i915/intel_lvds.c
View file

@ -899,7 +899,7 @@ static int intel_lid_present(void)
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
check_lid_device, &lid_present, NULL);
check_lid_device, NULL, &lid_present, NULL);
return lid_present;
}

2
drivers/i2c/busses/i2c-scmi.c
View file

@ -363,7 +363,7 @@ static int acpi_smbus_cmi_add(struct acpi_device *device)
smbus_cmi->cap_write = 0;
acpi_walk_namespace(ACPI_TYPE_METHOD, smbus_cmi->handle, 1,
acpi_smbus_cmi_query_methods, smbus_cmi, NULL);
acpi_smbus_cmi_query_methods, NULL, smbus_cmi, NULL);
if (smbus_cmi->cap_info == 0)
goto err;

2
drivers/pci/hotplug/acpi_pcihp.c
View file

@ -471,7 +471,7 @@ int acpi_pci_detect_ejectable(acpi_handle handle)
return found;
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1,
check_hotplug, (void *)&found, NULL);
check_hotplug, NULL, (void *)&found, NULL);
return found;
}
EXPORT_SYMBOL_GPL(acpi_pci_detect_ejectable);

22
drivers/pci/hotplug/acpiphp_glue.c
View file

@ -266,7 +266,7 @@ static int detect_ejectable_slots(acpi_handle handle)
int found = acpi_pci_detect_ejectable(handle);
if (!found) {
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
is_pci_dock_device, (void *)&found, NULL);
is_pci_dock_device, NULL, (void *)&found, NULL);
}
return found;
}
@ -281,7 +281,7 @@ static void init_bridge_misc(struct acpiphp_bridge *bridge)
/* register all slot objects under this bridge */
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge->handle, (u32)1,
register_slot, bridge, NULL);
register_slot, NULL, bridge, NULL);
if (ACPI_FAILURE(status)) {
list_del(&bridge->list);
return;
@ -447,7 +447,7 @@ find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
/* search P2P bridges under this p2p bridge */
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
find_p2p_bridge, NULL, NULL);
find_p2p_bridge, NULL, NULL, NULL);
if (ACPI_FAILURE(status))
warn("find_p2p_bridge failed (error code = 0x%x)\n", status);
@ -485,7 +485,7 @@ static int add_bridge(acpi_handle handle)
/* search P2P bridges under this host bridge */
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
find_p2p_bridge, NULL, NULL);
find_p2p_bridge, NULL, NULL, NULL);
if (ACPI_FAILURE(status))
warn("find_p2p_bridge failed (error code = 0x%x)\n", status);
@ -573,7 +573,7 @@ cleanup_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
/* cleanup p2p bridges under this P2P bridge
in a depth-first manner */
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
cleanup_p2p_bridge, NULL, NULL);
cleanup_p2p_bridge, NULL, NULL, NULL);
bridge = acpiphp_handle_to_bridge(handle);
if (bridge)
@ -589,7 +589,7 @@ static void remove_bridge(acpi_handle handle)
/* cleanup p2p bridges under this host bridge
in a depth-first manner */
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
(u32)1, cleanup_p2p_bridge, NULL, NULL);
(u32)1, cleanup_p2p_bridge, NULL, NULL, NULL);
/*
* On root bridges with hotplug slots directly underneath (ie,
@ -778,7 +778,7 @@ static int acpiphp_configure_ioapics(acpi_handle handle)
{
ioapic_add(handle, 0, NULL, NULL);
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
ACPI_UINT32_MAX, ioapic_add, NULL, NULL);
ACPI_UINT32_MAX, ioapic_add, NULL, NULL, NULL);
return 0;
}
@ -786,7 +786,7 @@ static int acpiphp_unconfigure_ioapics(acpi_handle handle)
{
ioapic_remove(handle, 0, NULL, NULL);
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
ACPI_UINT32_MAX, ioapic_remove, NULL, NULL);
ACPI_UINT32_MAX, ioapic_remove, NULL, NULL, NULL);
return 0;
}
@ -1367,7 +1367,7 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont
bridge = acpiphp_handle_to_bridge(handle);
if (type == ACPI_NOTIFY_BUS_CHECK) {
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, ACPI_UINT32_MAX,
count_sub_bridges, &num_sub_bridges, NULL);
count_sub_bridges, NULL, &num_sub_bridges, NULL);
}
if (!bridge && !num_sub_bridges) {
@ -1388,7 +1388,7 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont
}
if (num_sub_bridges)
acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
ACPI_UINT32_MAX, check_sub_bridges, NULL, NULL);
ACPI_UINT32_MAX, check_sub_bridges, NULL, NULL, NULL);
break;
case ACPI_NOTIFY_DEVICE_CHECK:
@ -1512,7 +1512,7 @@ int __init acpiphp_glue_init(void)
int num = 0;
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, find_root_bridges, &num, NULL);
ACPI_UINT32_MAX, find_root_bridges, NULL, &num, NULL);
if (num <= 0)
return -1;

2
drivers/pci/hotplug/acpiphp_ibm.c
View file

@ -434,7 +434,7 @@ static int __init ibm_acpiphp_init(void)
dbg("%s\n", __func__);
if (acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ibm_find_acpi_device,
ACPI_UINT32_MAX, ibm_find_acpi_device, NULL,
&ibm_acpi_handle, NULL) != FOUND_APCI) {
err("%s: acpi_walk_namespace failed\n", __func__);
retval = -ENODEV;

2
drivers/platform/x86/intel_menlow.c
View file

@ -510,7 +510,7 @@ static int __init intel_menlow_module_init(void)
/* Looking for sensors in each ACPI thermal zone */
status = acpi_walk_namespace(ACPI_TYPE_THERMAL, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
intel_menlow_register_sensor, NULL, NULL);
intel_menlow_register_sensor, NULL, NULL, NULL);
if (ACPI_FAILURE(status))
return -ENODEV;

2
drivers/platform/x86/sony-laptop.c
View file

@ -1203,7 +1203,7 @@ static int sony_nc_add(struct acpi_device *device)
if (debug) {
status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle,
1, sony_walk_callback, NULL, NULL);
1, sony_walk_callback, NULL, NULL, NULL);
if (ACPI_FAILURE(status)) {
printk(KERN_WARNING DRV_PFX "unable to walk acpi resources\n");
result = -ENODEV;

2
drivers/platform/x86/thinkpad_acpi.c
View file

@ -1087,7 +1087,7 @@ static int __init tpacpi_check_std_acpi_brightness_support(void)
*/
status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
tpacpi_acpi_walk_find_bcl, NULL,
tpacpi_acpi_walk_find_bcl, NULL, NULL,
&bcl_ptr);
if (ACPI_SUCCESS(status) && bcl_levels > 2) {

5
include/acpi/acpixf.h
View file

@ -47,7 +47,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
#define ACPI_CA_VERSION 0x20090903
#define ACPI_CA_VERSION 0x20091112
#include "actypes.h"
#include "actbl.h"
@ -154,7 +154,8 @@ acpi_status
acpi_walk_namespace(acpi_object_type type,
acpi_handle start_object,
u32 max_depth,
acpi_walk_callback user_function,
acpi_walk_callback pre_order_visit,
acpi_walk_callback post_order_visit,
void *context, void **return_value);
acpi_status