*****************************************************************************/
/*
- * Copyright (C) 2000 - 2004, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#include <acpi/acnamesp.h>
#include <acpi/acinterp.h>
-
#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("uteval")
+ACPI_MODULE_NAME("uteval")
+
+/* Local prototypes */
+static void
+acpi_ut_copy_id_string(char *destination, char *source, acpi_size max_length);
+static acpi_status
+acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
+ struct acpi_compatible_id *one_cid);
+
+/*
+ * Strings supported by the _OSI predefined (internal) method.
+ */
+static const char *acpi_interfaces_supported[] = {
+ /* Operating System Vendor Strings */
+
+ "Linux",
+ "Windows 2000",
+ "Windows 2001",
+ "Windows 2001 SP0",
+ "Windows 2001 SP1",
+ "Windows 2001 SP2",
+ "Windows 2001 SP3",
+ "Windows 2001 SP4",
+ "Windows 2001.1",
+ "Windows 2001.1 SP1", /* Added 03/2006 */
+ "Windows 2006", /* Added 03/2006 */
+
+ /* Feature Group Strings */
+
+ "Extended Address Space Descriptor"
+ /*
+ * All "optional" feature group strings (features that are implemented
+ * by the host) should be implemented in the host version of
+ * acpi_os_validate_interface and should not be added here.
+ */
+};
/*******************************************************************************
*
*
* RETURN: Status
*
- * DESCRIPTION: Implementation of _OSI predefined control method
- * Supported = _OSI (String)
+ * DESCRIPTION: Implementation of the _OSI predefined control method
*
******************************************************************************/
-acpi_status
-acpi_ut_osi_implementation (
- struct acpi_walk_state *walk_state)
+acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
{
- union acpi_operand_object *string_desc;
- union acpi_operand_object *return_desc;
- acpi_native_uint i;
-
-
- ACPI_FUNCTION_TRACE ("ut_osi_implementation");
+ acpi_status status;
+ union acpi_operand_object *string_desc;
+ union acpi_operand_object *return_desc;
+ acpi_native_uint i;
+ ACPI_FUNCTION_TRACE(ut_osi_implementation);
/* Validate the string input argument */
string_desc = walk_state->arguments[0].object;
if (!string_desc || (string_desc->common.type != ACPI_TYPE_STRING)) {
- return_ACPI_STATUS (AE_TYPE);
+ return_ACPI_STATUS(AE_TYPE);
}
- /* Create a return object (Default value = 0) */
+ /* Create a return object */
- return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
+ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
if (!return_desc) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
- /* Compare input string to table of supported strings */
+ /* Default return value is SUPPORTED */
+
+ return_desc->integer.value = ACPI_UINT32_MAX;
+ walk_state->return_desc = return_desc;
+
+ /* Compare input string to static table of supported interfaces */
+
+ for (i = 0; i < ACPI_ARRAY_LENGTH(acpi_interfaces_supported); i++) {
+ if (!ACPI_STRCMP
+ (string_desc->string.pointer,
+ acpi_interfaces_supported[i])) {
- for (i = 0; i < ACPI_NUM_OSI_STRINGS; i++) {
- if (!ACPI_STRCMP (string_desc->string.pointer,
- (char *) acpi_gbl_valid_osi_strings[i])) {
- /* This string is supported */
+ /* The interface is supported */
- return_desc->integer.value = 0xFFFFFFFF;
- break;
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
}
}
- walk_state->return_desc = return_desc;
- return_ACPI_STATUS (AE_CTRL_TERMINATE);
-}
+ /*
+ * Did not match the string in the static table, call the host OSL to
+ * check for a match with one of the optional strings (such as
+ * "Module Device", "3.0 Thermal Model", etc.)
+ */
+ status = acpi_os_validate_interface(string_desc->string.pointer);
+ if (ACPI_SUCCESS(status)) {
+ /* The interface is supported */
+
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+ }
+
+ /* The interface is not supported */
+
+ return_desc->integer.value = 0;
+ return_ACPI_STATUS(AE_CTRL_TERMINATE);
+}
/*******************************************************************************
*
******************************************************************************/
acpi_status
-acpi_ut_evaluate_object (
- struct acpi_namespace_node *prefix_node,
- char *path,
- u32 expected_return_btypes,
- union acpi_operand_object **return_desc)
+acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
+ char *path,
+ u32 expected_return_btypes,
+ union acpi_operand_object **return_desc)
{
- struct acpi_parameter_info info;
- acpi_status status;
- u32 return_btype;
+ struct acpi_evaluate_info *info;
+ acpi_status status;
+ u32 return_btype;
+ ACPI_FUNCTION_TRACE(ut_evaluate_object);
- ACPI_FUNCTION_TRACE ("ut_evaluate_object");
+ /* Allocate the evaluation information block */
+ info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info));
+ if (!info) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
- info.node = prefix_node;
- info.parameters = NULL;
- info.parameter_type = ACPI_PARAM_ARGS;
+ info->prefix_node = prefix_node;
+ info->pathname = path;
+ info->parameter_type = ACPI_PARAM_ARGS;
/* Evaluate the object/method */
- status = acpi_ns_evaluate_relative (path, &info);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ns_evaluate(info);
+ if (ACPI_FAILURE(status)) {
if (status == AE_NOT_FOUND) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[%4.4s.%s] was not found\n",
- acpi_ut_get_node_name (prefix_node), path));
- }
- else {
- ACPI_REPORT_METHOD_ERROR ("Method execution failed",
- prefix_node, path, status);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "[%4.4s.%s] was not found\n",
+ acpi_ut_get_node_name(prefix_node),
+ path));
+ } else {
+ ACPI_ERROR_METHOD("Method execution failed",
+ prefix_node, path, status);
}
- return_ACPI_STATUS (status);
+ goto cleanup;
}
/* Did we get a return object? */
- if (!info.return_object) {
+ if (!info->return_object) {
if (expected_return_btypes) {
- ACPI_REPORT_METHOD_ERROR ("No object was returned from",
- prefix_node, path, AE_NOT_EXIST);
+ ACPI_ERROR_METHOD("No object was returned from",
+ prefix_node, path, AE_NOT_EXIST);
- return_ACPI_STATUS (AE_NOT_EXIST);
+ status = AE_NOT_EXIST;
}
- return_ACPI_STATUS (AE_OK);
+ goto cleanup;
}
/* Map the return object type to the bitmapped type */
- switch (ACPI_GET_OBJECT_TYPE (info.return_object)) {
+ switch (ACPI_GET_OBJECT_TYPE(info->return_object)) {
case ACPI_TYPE_INTEGER:
return_btype = ACPI_BTYPE_INTEGER;
break;
break;
}
+ if ((acpi_gbl_enable_interpreter_slack) && (!expected_return_btypes)) {
+ /*
+ * We received a return object, but one was not expected. This can
+ * happen frequently if the "implicit return" feature is enabled.
+ * Just delete the return object and return AE_OK.
+ */
+ acpi_ut_remove_reference(info->return_object);
+ goto cleanup;
+ }
+
/* Is the return object one of the expected types? */
if (!(expected_return_btypes & return_btype)) {
- ACPI_REPORT_METHOD_ERROR ("Return object type is incorrect",
- prefix_node, path, AE_TYPE);
+ ACPI_ERROR_METHOD("Return object type is incorrect",
+ prefix_node, path, AE_TYPE);
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Type returned from %s was incorrect: %X\n",
- path, ACPI_GET_OBJECT_TYPE (info.return_object)));
+ ACPI_ERROR((AE_INFO,
+ "Type returned from %s was incorrect: %s, expected Btypes: %X",
+ path,
+ acpi_ut_get_object_type_name(info->return_object),
+ expected_return_btypes));
/* On error exit, we must delete the return object */
- acpi_ut_remove_reference (info.return_object);
- return_ACPI_STATUS (AE_TYPE);
+ acpi_ut_remove_reference(info->return_object);
+ status = AE_TYPE;
+ goto cleanup;
}
/* Object type is OK, return it */
- *return_desc = info.return_object;
- return_ACPI_STATUS (AE_OK);
-}
+ *return_desc = info->return_object;
+ cleanup:
+ ACPI_FREE(info);
+ return_ACPI_STATUS(status);
+}
/*******************************************************************************
*
* FUNCTION: acpi_ut_evaluate_numeric_object
*
- * PARAMETERS: *object_name - Object name to be evaluated
+ * PARAMETERS: object_name - Object name to be evaluated
* device_node - Node for the device
- * *Address - Where the value is returned
+ * Address - Where the value is returned
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ut_evaluate_numeric_object (
- char *object_name,
- struct acpi_namespace_node *device_node,
- acpi_integer *address)
+acpi_ut_evaluate_numeric_object(char *object_name,
+ struct acpi_namespace_node *device_node,
+ acpi_integer * address)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(ut_evaluate_numeric_object);
- ACPI_FUNCTION_TRACE ("ut_evaluate_numeric_object");
-
-
- status = acpi_ut_evaluate_object (device_node, object_name,
- ACPI_BTYPE_INTEGER, &obj_desc);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_evaluate_object(device_node, object_name,
+ ACPI_BTYPE_INTEGER, &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Get the returned Integer */
/* On exit, we must delete the return object */
- acpi_ut_remove_reference (obj_desc);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_copy_id_string
******************************************************************************/
static void
-acpi_ut_copy_id_string (
- char *destination,
- char *source,
- acpi_size max_length)
+acpi_ut_copy_id_string(char *destination, char *source, acpi_size max_length)
{
-
/*
* Workaround for ID strings that have a leading asterisk. This construct
* is not allowed by the ACPI specification (ID strings must be
/* Do the actual copy */
- ACPI_STRNCPY (destination, source, max_length);
+ ACPI_STRNCPY(destination, source, max_length);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_HID
*
* PARAMETERS: device_node - Node for the device
- * *Hid - Where the HID is returned
+ * Hid - Where the HID is returned
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ut_execute_HID (
- struct acpi_namespace_node *device_node,
- struct acpi_device_id *hid)
+acpi_ut_execute_HID(struct acpi_namespace_node *device_node,
+ struct acpi_device_id *hid)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
-
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
- ACPI_FUNCTION_TRACE ("ut_execute_HID");
+ ACPI_FUNCTION_TRACE(ut_execute_HID);
-
- status = acpi_ut_evaluate_object (device_node, METHOD_NAME__HID,
- ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &obj_desc);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__HID,
+ ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Convert the Numeric HID to string */
- acpi_ex_eisa_id_to_string ((u32) obj_desc->integer.value, hid->value);
- }
- else {
+ acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
+ hid->value);
+ } else {
/* Copy the String HID from the returned object */
- acpi_ut_copy_id_string (hid->value, obj_desc->string.pointer,
- sizeof (hid->value));
+ acpi_ut_copy_id_string(hid->value, obj_desc->string.pointer,
+ sizeof(hid->value));
}
/* On exit, we must delete the return object */
- acpi_ut_remove_reference (obj_desc);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_translate_one_cid
******************************************************************************/
static acpi_status
-acpi_ut_translate_one_cid (
- union acpi_operand_object *obj_desc,
- struct acpi_compatible_id *one_cid)
+acpi_ut_translate_one_cid(union acpi_operand_object *obj_desc,
+ struct acpi_compatible_id *one_cid)
{
-
- switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
+ switch (ACPI_GET_OBJECT_TYPE(obj_desc)) {
case ACPI_TYPE_INTEGER:
/* Convert the Numeric CID to string */
- acpi_ex_eisa_id_to_string ((u32) obj_desc->integer.value, one_cid->value);
+ acpi_ex_eisa_id_to_string((u32) obj_desc->integer.value,
+ one_cid->value);
return (AE_OK);
case ACPI_TYPE_STRING:
/* Copy the String CID from the returned object */
- acpi_ut_copy_id_string (one_cid->value, obj_desc->string.pointer,
- ACPI_MAX_CID_LENGTH);
+ acpi_ut_copy_id_string(one_cid->value, obj_desc->string.pointer,
+ ACPI_MAX_CID_LENGTH);
return (AE_OK);
default:
}
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_CID
*
* PARAMETERS: device_node - Node for the device
- * *Cid - Where the CID is returned
+ * return_cid_list - Where the CID list is returned
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ut_execute_CID (
- struct acpi_namespace_node *device_node,
- struct acpi_compatible_id_list **return_cid_list)
+acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
+ struct acpi_compatible_id_list ** return_cid_list)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
- u32 count;
- u32 size;
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ u32 count;
+ u32 size;
struct acpi_compatible_id_list *cid_list;
- acpi_native_uint i;
-
-
- ACPI_FUNCTION_TRACE ("ut_execute_CID");
+ acpi_native_uint i;
+ ACPI_FUNCTION_TRACE(ut_execute_CID);
/* Evaluate the _CID method for this device */
- status = acpi_ut_evaluate_object (device_node, METHOD_NAME__CID,
- ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE,
- &obj_desc);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__CID,
+ ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING
+ | ACPI_BTYPE_PACKAGE, &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Get the number of _CIDs returned */
count = 1;
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_PACKAGE) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
count = obj_desc->package.count;
}
/* Allocate a worst-case buffer for the _CIDs */
- size = (((count - 1) * sizeof (struct acpi_compatible_id)) +
- sizeof (struct acpi_compatible_id_list));
+ size = (((count - 1) * sizeof(struct acpi_compatible_id)) +
+ sizeof(struct acpi_compatible_id_list));
- cid_list = ACPI_MEM_CALLOCATE ((acpi_size) size);
+ cid_list = ACPI_ALLOCATE_ZEROED((acpi_size) size);
if (!cid_list) {
- return_ACPI_STATUS (AE_NO_MEMORY);
+ return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Init CID list */
cid_list->size = size;
/*
- * A _CID can return either a single compatible ID or a package of compatible
- * IDs. Each compatible ID can be one of the following:
- * -- Number (32 bit compressed EISA ID) or
- * -- String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss").
+ * A _CID can return either a single compatible ID or a package of
+ * compatible IDs. Each compatible ID can be one of the following:
+ * 1) Integer (32 bit compressed EISA ID) or
+ * 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
*/
/* The _CID object can be either a single CID or a package (list) of CIDs */
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_PACKAGE) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_PACKAGE) {
+
/* Translate each package element */
for (i = 0; i < count; i++) {
- status = acpi_ut_translate_one_cid (obj_desc->package.elements[i],
- &cid_list->id[i]);
- if (ACPI_FAILURE (status)) {
+ status =
+ acpi_ut_translate_one_cid(obj_desc->package.
+ elements[i],
+ &cid_list->id[i]);
+ if (ACPI_FAILURE(status)) {
break;
}
}
- }
- else {
+ } else {
/* Only one CID, translate to a string */
- status = acpi_ut_translate_one_cid (obj_desc, cid_list->id);
+ status = acpi_ut_translate_one_cid(obj_desc, cid_list->id);
}
/* Cleanup on error */
- if (ACPI_FAILURE (status)) {
- ACPI_MEM_FREE (cid_list);
- }
- else {
+ if (ACPI_FAILURE(status)) {
+ ACPI_FREE(cid_list);
+ } else {
*return_cid_list = cid_list;
}
/* On exit, we must delete the _CID return object */
- acpi_ut_remove_reference (obj_desc);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_UID
*
* PARAMETERS: device_node - Node for the device
- * *Uid - Where the UID is returned
+ * Uid - Where the UID is returned
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ut_execute_UID (
- struct acpi_namespace_node *device_node,
- struct acpi_device_id *uid)
+acpi_ut_execute_UID(struct acpi_namespace_node *device_node,
+ struct acpi_device_id *uid)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
-
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
- ACPI_FUNCTION_TRACE ("ut_execute_UID");
+ ACPI_FUNCTION_TRACE(ut_execute_UID);
-
- status = acpi_ut_evaluate_object (device_node, METHOD_NAME__UID,
- ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &obj_desc);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__UID,
+ ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING,
+ &obj_desc);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
- if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_INTEGER) {
+ if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
+
/* Convert the Numeric UID to string */
- acpi_ex_unsigned_integer_to_string (obj_desc->integer.value, uid->value);
- }
- else {
+ acpi_ex_unsigned_integer_to_string(obj_desc->integer.value,
+ uid->value);
+ } else {
/* Copy the String UID from the returned object */
- acpi_ut_copy_id_string (uid->value, obj_desc->string.pointer,
- sizeof (uid->value));
+ acpi_ut_copy_id_string(uid->value, obj_desc->string.pointer,
+ sizeof(uid->value));
}
/* On exit, we must delete the return object */
- acpi_ut_remove_reference (obj_desc);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_STA
*
* PARAMETERS: device_node - Node for the device
- * *Flags - Where the status flags are returned
+ * Flags - Where the status flags are returned
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ut_execute_STA (
- struct acpi_namespace_node *device_node,
- u32 *flags)
+acpi_ut_execute_STA(struct acpi_namespace_node *device_node, u32 * flags)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE(ut_execute_STA);
- ACPI_FUNCTION_TRACE ("ut_execute_STA");
-
-
- status = acpi_ut_evaluate_object (device_node, METHOD_NAME__STA,
- ACPI_BTYPE_INTEGER, &obj_desc);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ut_evaluate_object(device_node, METHOD_NAME__STA,
+ ACPI_BTYPE_INTEGER, &obj_desc);
+ if (ACPI_FAILURE(status)) {
if (AE_NOT_FOUND == status) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "_STA on %4.4s was not found, assuming device is present\n",
- acpi_ut_get_node_name (device_node)));
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "_STA on %4.4s was not found, assuming device is present\n",
+ acpi_ut_get_node_name(device_node)));
- *flags = 0x0F;
+ *flags = ACPI_UINT32_MAX;
status = AE_OK;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
/* Extract the status flags */
/* On exit, we must delete the return object */
- acpi_ut_remove_reference (obj_desc);
- return_ACPI_STATUS (status);
+ acpi_ut_remove_reference(obj_desc);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_execute_Sxds
*
* PARAMETERS: device_node - Node for the device
- * *Flags - Where the status flags are returned
+ * Flags - Where the status flags are returned
*
* RETURN: Status
*
******************************************************************************/
acpi_status
-acpi_ut_execute_sxds (
- struct acpi_namespace_node *device_node,
- u8 *highest)
+acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest)
{
- union acpi_operand_object *obj_desc;
- acpi_status status;
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("ut_execute_Sxds");
+ union acpi_operand_object *obj_desc;
+ acpi_status status;
+ u32 i;
+ ACPI_FUNCTION_TRACE(ut_execute_sxds);
for (i = 0; i < 4; i++) {
highest[i] = 0xFF;
- status = acpi_ut_evaluate_object (device_node,
- (char *) acpi_gbl_highest_dstate_names[i],
- ACPI_BTYPE_INTEGER, &obj_desc);
- if (ACPI_FAILURE (status)) {
+ status = acpi_ut_evaluate_object(device_node,
+ ACPI_CAST_PTR(char,
+ acpi_gbl_highest_dstate_names
+ [i]),
+ ACPI_BTYPE_INTEGER, &obj_desc);
+ if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
- ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
- "%s on Device %4.4s, %s\n",
- (char *) acpi_gbl_highest_dstate_names[i],
- acpi_ut_get_node_name (device_node),
- acpi_format_exception (status)));
-
- return_ACPI_STATUS (status);
+ ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+ "%s on Device %4.4s, %s\n",
+ ACPI_CAST_PTR(char,
+ acpi_gbl_highest_dstate_names
+ [i]),
+ acpi_ut_get_node_name
+ (device_node),
+ acpi_format_exception
+ (status)));
+
+ return_ACPI_STATUS(status);
}
- }
- else {
+ } else {
/* Extract the Dstate value */
highest[i] = (u8) obj_desc->integer.value;
/* Delete the return object */
- acpi_ut_remove_reference (obj_desc);
+ acpi_ut_remove_reference(obj_desc);
}
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
}