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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: (27 commits)
  ACPICA: Update version to 20090521.
  ACPICA: Disable preservation of SCI enable bit (SCI_EN)
  ACPICA: Region deletion: Ensure region object is removed from handler list
  ACPICA: Eliminate extra call to NsGetParentNode
  ACPICA: Simplify internal operation region interface
  ACPICA: Update Load() to use operation region interfaces
  ACPICA: New: AcpiInstallMethod - install a single control method
  ACPICA: Invalidate DdbHandle after table unload
  ACPICA: Fix reference count issues for DdbHandle object
  ACPICA: Simplify and optimize NsGetNextNode function
  ACPICA: Additional validation of _PRT packages (resource mgr)
  ACPICA: Fix DebugObject output for DdbHandle objects
  ACPICA: Fix allowable release order for ASL mutex objects
  ACPICA: Mutex support: Fix release ordering issue and current sync level
  ACPICA: Update version to 20090422.
  ACPICA: Linux OSL: cleanup/update/merge
  ACPICA: Fix implementation of AML BreakPoint operator (break to debugger)
  ACPICA: Fix miscellaneous warnings under gcc 4+
  ACPICA: Miscellaneous lint changes
  ACPICA: Fix possible dereference of null pointer
  ...
This commit is contained in:
Linus Torvalds 2009-06-16 11:24:23 -07:00
commit 9bd47bf932
38 changed files with 574 additions and 201 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/acpi/acpica/acevents.h
View File

@ -139,7 +139,7 @@ acpi_status acpi_ev_initialize_op_regions(void);
acpi_status
acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
u32 function,
acpi_physical_address address,
u32 region_offset,
u32 bit_width, acpi_integer * value);
acpi_status

3
drivers/acpi/acpica/acglobal.h
View File

@ -362,9 +362,6 @@ extern u8 acpi_gbl_method_executing;
extern u8 acpi_gbl_abort_method;
extern u8 acpi_gbl_db_terminate_threads;
ACPI_EXTERN int optind;
ACPI_EXTERN char *optarg;
ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;

12
drivers/acpi/acpica/aclocal.h
View File

@ -205,6 +205,7 @@ struct acpi_namespace_node {
#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */
#define ANOBJ_SUBTREE_HAS_INI 0x10 /* Used to optimize device initialization */
#define ANOBJ_EVALUATED 0x20 /* Set on first evaluation of node */
#define ANOBJ_ALLOCATED_BUFFER 0x40 /* Method AML buffer is dynamic (install_method) */
#define ANOBJ_IS_EXTERNAL 0x08 /* i_aSL only: This object created via External() */
#define ANOBJ_METHOD_NO_RETVAL 0x10 /* i_aSL only: Method has no return value */
@ -788,11 +789,14 @@ struct acpi_bit_register_info {
/* For control registers, both ignored and reserved bits must be preserved */
/*
* The ACPI spec says to ignore PM1_CTL.SCI_EN (bit 0)
* but we need to be able to write ACPI_BITREG_SCI_ENABLE directly
* as a BIOS workaround on some machines.
* For PM1 control, the SCI enable bit (bit 0, SCI_EN) is defined by the
* ACPI specification to be a "preserved" bit - "OSPM always preserves this
* bit position", section 4.7.3.2.1. However, on some machines the OS must
* write a one to this bit after resume for the machine to work properly.
* To enable this, we no longer attempt to preserve this bit. No machines
* are known to fail if the bit is not preserved. (May 2009)
*/
#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bits 9 */
#define ACPI_PM1_CONTROL_IGNORED_BITS 0x0200 /* Bit 9 */
#define ACPI_PM1_CONTROL_RESERVED_BITS 0xC1F8 /* Bits 14-15, 3-8 */
#define ACPI_PM1_CONTROL_PRESERVED_BITS \
(ACPI_PM1_CONTROL_IGNORED_BITS | ACPI_PM1_CONTROL_RESERVED_BITS)

13
drivers/acpi/acpica/acnamesp.h
View File

@ -99,10 +99,19 @@ acpi_ns_walk_namespace(acpi_object_type type,
acpi_walk_callback user_function,
void *context, void **return_value);
struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node
*parent, struct acpi_namespace_node
struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
*parent,
struct acpi_namespace_node
*child);
struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
struct
acpi_namespace_node
*parent,
struct
acpi_namespace_node
*child);
/*
* nsparse - table parsing
*/

2
drivers/acpi/acpica/amlcode.h
View File

@ -483,7 +483,7 @@ typedef enum {
#define AML_METHOD_ARG_COUNT 0x07
#define AML_METHOD_SERIALIZED 0x08
#define AML_METHOD_SYNCH_LEVEL 0xF0
#define AML_METHOD_SYNC_LEVEL 0xF0
/* METHOD_FLAGS_ARG_COUNT is not used internally, define additional flags */

5
drivers/acpi/acpica/dsobject.c
View File

@ -734,7 +734,8 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Local ID (0-7) is (AML opcode - base AML_LOCAL_OP) */
obj_desc->reference.value = opcode - AML_LOCAL_OP;
obj_desc->reference.value =
((u32)opcode) - AML_LOCAL_OP;
obj_desc->reference.class = ACPI_REFCLASS_LOCAL;
#ifndef ACPI_NO_METHOD_EXECUTION
@ -754,7 +755,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
/* Arg ID (0-6) is (AML opcode - base AML_ARG_OP) */
obj_desc->reference.value = opcode - AML_ARG_OP;
obj_desc->reference.value = ((u32)opcode) - AML_ARG_OP;
obj_desc->reference.class = ACPI_REFCLASS_ARG;
#ifndef ACPI_NO_METHOD_EXECUTION

17
drivers/acpi/acpica/dsopcode.c
View File

@ -1386,14 +1386,19 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
case AML_BREAK_POINT_OP:
/* Call up to the OS service layer to handle this */
/*
* Set the single-step flag. This will cause the debugger (if present)
* to break to the console within the AML debugger at the start of the
* next AML instruction.
*/
ACPI_DEBUGGER_EXEC(acpi_gbl_cm_single_step = TRUE);
ACPI_DEBUGGER_EXEC(acpi_os_printf
("**break** Executed AML BreakPoint opcode\n"));
status =
acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
"Executed AML Breakpoint opcode");
/* If and when it returns, all done. */
/* Call to the OSL in case OS wants a piece of the action */
status = acpi_os_signal(ACPI_SIGNAL_BREAKPOINT,
"Executed AML Breakpoint opcode");
break;
case AML_BREAK_OP:

4
drivers/acpi/acpica/dswstate.c
View File

@ -102,7 +102,7 @@ acpi_ds_result_pop(union acpi_operand_object **object,
/* Return object of the top element and clean that top element result stack */
walk_state->result_count--;
index = walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
*object = state->results.obj_desc[index];
if (!*object) {
@ -186,7 +186,7 @@ acpi_ds_result_push(union acpi_operand_object * object,
/* Assign the address of object to the top free element of result stack */
index = walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;
state->results.obj_desc[index] = object;
walk_state->result_count++;

12
drivers/acpi/acpica/evregion.c
View File

@ -275,7 +275,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
*
* PARAMETERS: region_obj - Internal region object
* Function - Read or Write operation
* Address - Where in the space to read or write
* region_offset - Where in the region to read or write
* bit_width - Field width in bits (8, 16, 32, or 64)
* Value - Pointer to in or out value, must be
* full 64-bit acpi_integer
@ -290,7 +290,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
acpi_status
acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
u32 function,
acpi_physical_address address,
u32 region_offset,
u32 bit_width, acpi_integer * value)
{
acpi_status status;
@ -396,7 +396,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
ACPI_DEBUG_PRINT((ACPI_DB_OPREGION,
"Handler %p (@%p) Address %8.8X%8.8X [%s]\n",
&region_obj->region.handler->address_space, handler,
ACPI_FORMAT_NATIVE_UINT(address),
ACPI_FORMAT_NATIVE_UINT(region_obj->region.address +
region_offset),
acpi_ut_get_region_name(region_obj->region.
space_id)));
@ -412,8 +413,9 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
/* Call the handler */
status = handler(function, address, bit_width, value,
handler_desc->address_space.context,
status = handler(function,
(region_obj->region.address + region_offset),
bit_width, value, handler_desc->address_space.context,
region_obj2->extra.region_context);
if (ACPI_FAILURE(status)) {

4
drivers/acpi/acpica/evxfevnt.c
View File

@ -51,7 +51,7 @@
ACPI_MODULE_NAME("evxfevnt")
/* Local prototypes */
acpi_status
static acpi_status
acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block, void *context);
@ -785,7 +785,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_gpe_device)
* block device. NULL if the GPE is one of the FADT-defined GPEs.
*
******************************************************************************/
acpi_status
static acpi_status
acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block, void *context)
{

125
drivers/acpi/acpica/exconfig.c
View File

@ -47,6 +47,7 @@
#include "acnamesp.h"
#include "actables.h"
#include "acdispat.h"
#include "acevents.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exconfig")
@ -57,6 +58,10 @@ acpi_ex_add_table(u32 table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle);
static acpi_status
acpi_ex_region_read(union acpi_operand_object *obj_desc,
u32 length, u8 *buffer);
/*******************************************************************************
*
* FUNCTION: acpi_ex_add_table
@ -91,6 +96,7 @@ acpi_ex_add_table(u32 table_index,
/* Init the table handle */
obj_desc->common.flags |= AOPOBJ_DATA_VALID;
obj_desc->reference.class = ACPI_REFCLASS_TABLE;
*ddb_handle = obj_desc;
@ -229,6 +235,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
walk_state);
if (ACPI_FAILURE(status)) {
(void)acpi_ex_unload_table(ddb_handle);
acpi_ut_remove_reference(ddb_handle);
return_ACPI_STATUS(status);
}
}
@ -252,6 +260,47 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_region_read
*
* PARAMETERS: obj_desc - Region descriptor
* Length - Number of bytes to read
* Buffer - Pointer to where to put the data
*
* RETURN: Status
*
* DESCRIPTION: Read data from an operation region. The read starts from the
* beginning of the region.
*
******************************************************************************/
static acpi_status
acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer)
{
acpi_status status;
acpi_integer value;
u32 region_offset = 0;
u32 i;
/* Bytewise reads */
for (i = 0; i < length; i++) {
status = acpi_ev_address_space_dispatch(obj_desc, ACPI_READ,
region_offset, 8,
&value);
if (ACPI_FAILURE(status)) {
return status;
}
*buffer = (u8)value;
buffer++;
region_offset++;
}
return AE_OK;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_load_op
@ -314,18 +363,23 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
}
}
/*
* Map the table header and get the actual table length. The region
* length is not guaranteed to be the same as the table length.
*/
table = acpi_os_map_memory(obj_desc->region.address,
sizeof(struct acpi_table_header));
/* Get the table header first so we can get the table length */
table = ACPI_ALLOCATE(sizeof(struct acpi_table_header));
if (!table) {
return_ACPI_STATUS(AE_NO_MEMORY);
}
status =
acpi_ex_region_read(obj_desc,
sizeof(struct acpi_table_header),
ACPI_CAST_PTR(u8, table));
length = table->length;
acpi_os_unmap_memory(table, sizeof(struct acpi_table_header));
ACPI_FREE(table);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Must have at least an ACPI table header */
@ -334,10 +388,19 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
}
/*
* The memory region is not guaranteed to remain stable and we must
* copy the table to a local buffer. For example, the memory region
* is corrupted after suspend on some machines. Dynamically loaded
* tables are usually small, so this overhead is minimal.
* The original implementation simply mapped the table, with no copy.
* However, the memory region is not guaranteed to remain stable and
* we must copy the table to a local buffer. For example, the memory
* region is corrupted after suspend on some machines. Dynamically
* loaded tables are usually small, so this overhead is minimal.
*
* The latest implementation (5/2009) does not use a mapping at all.
* We use the low-level operation region interface to read the table
* instead of the obvious optimization of using a direct mapping.
* This maintains a consistent use of operation regions across the
* entire subsystem. This is important if additional processing must
* be performed in the (possibly user-installed) operation region
* handler. For example, acpi_exec and ASLTS depend on this.
*/
/* Allocate a buffer for the table */
@ -347,17 +410,16 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(AE_NO_MEMORY);
}
/* Map the entire table and copy it */
/* Read the entire table */
table = acpi_os_map_memory(obj_desc->region.address, length);
if (!table) {
status = acpi_ex_region_read(obj_desc, length,
ACPI_CAST_PTR(u8,
table_desc.pointer));
if (ACPI_FAILURE(status)) {
ACPI_FREE(table_desc.pointer);
return_ACPI_STATUS(AE_NO_MEMORY);
return_ACPI_STATUS(status);
}
ACPI_MEMCPY(table_desc.pointer, table, length);
acpi_os_unmap_memory(table, length);
table_desc.address = obj_desc->region.address;
break;
@ -454,6 +516,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(status);
}
/* Remove the reference by added by acpi_ex_store above */
acpi_ut_remove_reference(ddb_handle);
/* Invoke table handler if present */
if (acpi_gbl_table_handler) {
@ -495,13 +561,18 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
/*
* Validate the handle
* Although the handle is partially validated in acpi_ex_reconfiguration(),
* Although the handle is partially validated in acpi_ex_reconfiguration()
* when it calls acpi_ex_resolve_operands(), the handle is more completely
* validated here.
*
* Handle must be a valid operand object of type reference. Also, the
* ddb_handle must still be marked valid (table has not been previously
* unloaded)
*/
if ((!ddb_handle) ||
(ACPI_GET_DESCRIPTOR_TYPE(ddb_handle) != ACPI_DESC_TYPE_OPERAND) ||
(ddb_handle->common.type != ACPI_TYPE_LOCAL_REFERENCE)) {
(ddb_handle->common.type != ACPI_TYPE_LOCAL_REFERENCE) ||
(!(ddb_handle->common.flags & AOPOBJ_DATA_VALID))) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@ -509,6 +580,12 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
table_index = table_desc->reference.value;
/* Ensure the table is still loaded */
if (!acpi_tb_is_table_loaded(table_index)) {
return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Invoke table handler if present */
if (acpi_gbl_table_handler) {
@ -530,8 +607,10 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
(void)acpi_tb_release_owner_id(table_index);
acpi_tb_set_table_loaded_flag(table_index, FALSE);
/* Table unloaded, remove a reference to the ddb_handle object */
acpi_ut_remove_reference(ddb_handle);
/*
* Invalidate the handle. We do this because the handle may be stored
* in a named object and may not be actually deleted until much later.
*/
ddb_handle->common.flags &= ~AOPOBJ_DATA_VALID;
return_ACPI_STATUS(AE_OK);
}

2
drivers/acpi/acpica/excreate.c
View File

@ -502,7 +502,7 @@ acpi_ex_create_method(u8 * aml_start,
* ACPI 2.0: sync_level = sync_level in method declaration
*/
obj_desc->method.sync_level = (u8)
((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4);
((method_flags & AML_METHOD_SYNC_LEVEL) >> 4);
}
/* Attach the new object to the method Node */

6
drivers/acpi/acpica/exdump.c
View File

@ -120,9 +120,11 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = {
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"}
};
static struct acpi_exdump_info acpi_ex_dump_method[8] = {
static struct acpi_exdump_info acpi_ex_dump_method[9] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.method_flags), "Method Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count),
"Parameter Count"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},
{ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"},

20
drivers/acpi/acpica/exfldio.c
View File

@ -222,7 +222,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
{
acpi_status status;
union acpi_operand_object *rgn_desc;
acpi_physical_address address;
u32 region_offset;
ACPI_FUNCTION_TRACE(ex_access_region);
@ -243,7 +243,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
* 3) The current offset into the field
*/
rgn_desc = obj_desc->common_field.region_obj;
address = rgn_desc->region.address +
region_offset =
obj_desc->common_field.base_byte_offset + field_datum_byte_offset;
if ((function & ACPI_IO_MASK) == ACPI_READ) {
@ -260,16 +260,18 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
obj_desc->common_field.access_byte_width,
obj_desc->common_field.base_byte_offset,
field_datum_byte_offset, ACPI_CAST_PTR(void,
address)));
(rgn_desc->
region.
address +
region_offset))));
/* Invoke the appropriate address_space/op_region handler */
status = acpi_ev_address_space_dispatch(rgn_desc, function,
address,
ACPI_MUL_8(obj_desc->
common_field.
access_byte_width),
value);
status =
acpi_ev_address_space_dispatch(rgn_desc, function, region_offset,
ACPI_MUL_8(obj_desc->common_field.
access_byte_width),
value);
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_IMPLEMENTED) {

45
drivers/acpi/acpica/exmutex.c
View File

@ -83,6 +83,15 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
if (obj_desc->mutex.prev) {
(obj_desc->mutex.prev)->mutex.next = obj_desc->mutex.next;
/*
* Migrate the previous sync level associated with this mutex to the
* previous mutex on the list so that it may be preserved. This handles
* the case where several mutexes have been acquired at the same level,
* but are not released in opposite order.
*/
(obj_desc->mutex.prev)->mutex.original_sync_level =
obj_desc->mutex.original_sync_level;
} else {
thread->acquired_mutex_list = obj_desc->mutex.next;
}
@ -349,6 +358,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
struct acpi_walk_state *walk_state)
{
acpi_status status = AE_OK;
u8 previous_sync_level;
ACPI_FUNCTION_TRACE(ex_release_mutex);
@ -373,11 +383,12 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
walk_state->thread->thread_id)
&& (obj_desc != acpi_gbl_global_lock_mutex)) {
ACPI_ERROR((AE_INFO,
"Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX",
(unsigned long)walk_state->thread->thread_id,
"Thread %p cannot release Mutex [%4.4s] acquired by thread %p",
ACPI_CAST_PTR(void, walk_state->thread->thread_id),
acpi_ut_get_node_name(obj_desc->mutex.node),
(unsigned long)obj_desc->mutex.owner_thread->
thread_id));
ACPI_CAST_PTR(void,
obj_desc->mutex.owner_thread->
thread_id)));
return_ACPI_STATUS(AE_AML_NOT_OWNER);
}
@ -391,10 +402,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
}
/*
* The sync level of the mutex must be less than or equal to the current
* sync level
* The sync level of the mutex must be equal to the current sync level. In
* other words, the current level means that at least one mutex at that
* level is currently being held. Attempting to release a mutex of a
* different level can only mean that the mutex ordering rule is being
* violated. This behavior is clarified in ACPI 4.0 specification.
*/
if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
if (obj_desc->mutex.sync_level !=
walk_state->thread->current_sync_level) {
ACPI_ERROR((AE_INFO,
"Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %d current %d",
acpi_ut_get_node_name(obj_desc->mutex.node),
@ -403,14 +418,24 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
}
/*
* Get the previous sync_level from the head of the acquired mutex list.
* This handles the case where several mutexes at the same level have been
* acquired, but are not released in reverse order.
*/
previous_sync_level =
walk_state->thread->acquired_mutex_list->mutex.original_sync_level;
status = acpi_ex_release_mutex_object(obj_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
if (obj_desc->mutex.acquisition_depth == 0) {
/* Restore the original sync_level */
/* Restore the previous sync_level */
walk_state->thread->current_sync_level =
obj_desc->mutex.original_sync_level;
walk_state->thread->current_sync_level = previous_sync_level;
}
return_ACPI_STATUS(status);
}

4
drivers/acpi/acpica/exstore.c
View File

@ -193,10 +193,12 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
case ACPI_REFCLASS_TABLE:
/* Case for ddb_handle */
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"Table Index 0x%X\n",
source_desc->reference.value));
break;
return;
default:
break;

4
drivers/acpi/acpica/hwregs.c
View File

@ -81,9 +81,9 @@ acpi_status acpi_hw_clear_acpi_status(void)
ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %0llX\n",
ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %8.8X%8.8X\n",
ACPI_BITMASK_ALL_FIXED_STATUS,
acpi_gbl_xpm1a_status.address));
ACPI_FORMAT_UINT64(acpi_gbl_xpm1a_status.address)));
lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);

14
drivers/acpi/acpica/nsalloc.c
View File

@ -334,9 +334,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
/* Get the next node in this scope (NULL if none) */
child_node =
acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
child_node);
child_node = acpi_ns_get_next_node(parent_node, child_node);
if (child_node) {
/* Found a child node - detach any attached object */
@ -345,8 +343,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
/* Check if this node has any children */
if (acpi_ns_get_next_node
(ACPI_TYPE_ANY, child_node, NULL)) {
if (child_node->child) {
/*
* There is at least one child of this node,
* visit the node
@ -432,9 +429,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
* Get the next child of this parent node. When child_node is NULL,
* the first child of the parent is returned
*/
child_node =
acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
child_node);
child_node = acpi_ns_get_next_node(parent_node, child_node);
if (deletion_node) {
acpi_ns_delete_children(deletion_node);
@ -452,8 +447,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id)
/* Check if this node has any children */
if (acpi_ns_get_next_node
(ACPI_TYPE_ANY, child_node, NULL)) {
if (child_node->child) {
/*
* There is at least one child of this node,
* visit the node

2
drivers/acpi/acpica/nsnames.c
View File

@ -149,7 +149,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
name_buffer = ACPI_ALLOCATE_ZEROED(size);
if (!name_buffer) {
ACPI_ERROR((AE_INFO, "Allocation failure"));
ACPI_ERROR((AE_INFO, "Could not allocate %u bytes", (u32)size));
return_PTR(NULL);
}

9
drivers/acpi/acpica/nsobject.c
View File

@ -213,6 +213,15 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node)
return_VOID;
}
if (node->flags & ANOBJ_ALLOCATED_BUFFER) {
/* Free the dynamic aml buffer */
if (obj_desc->common.type == ACPI_TYPE_METHOD) {
ACPI_FREE(obj_desc->method.aml_start);
}
}
/* Clear the entry in all cases */
node->object = NULL;

7
drivers/acpi/acpica/nspredef.c
View File

@ -144,7 +144,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
pathname = acpi_ns_get_external_pathname(node);
if (!pathname) {
pathname = ACPI_CAST_PTR(char, predefined->info.name);
return AE_OK; /* Could not get pathname, ignore */
}
/*
@ -230,10 +230,7 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
}
exit:
if (pathname != predefined->info.name) {
ACPI_FREE(pathname);
}
ACPI_FREE(pathname);
return (status);
}

4
drivers/acpi/acpica/nssearch.c
View File

@ -45,6 +45,10 @@
#include "accommon.h"
#include "acnamesp.h"
#ifdef ACPI_ASL_COMPILER
#include "amlcode.h"
#endif
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nssearch")

75
drivers/acpi/acpica/nswalk.c
View File

@ -52,6 +52,51 @@ ACPI_MODULE_NAME("nswalk")
*
* FUNCTION: acpi_ns_get_next_node
*
* PARAMETERS: parent_node - Parent node whose children we are
* getting
* child_node - Previous child that was found.
* The NEXT child will be returned
*
* RETURN: struct acpi_namespace_node - Pointer to the NEXT child or NULL if
* none is found.
*
* DESCRIPTION: Return the next peer node within the namespace. If Handle
* is valid, Scope is ignored. Otherwise, the first node
* within Scope is returned.
*
******************************************************************************/
struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node
*parent_node,
struct acpi_namespace_node
*child_node)
{
ACPI_FUNCTION_ENTRY();
if (!child_node) {
/* It's really the parent's _scope_ that we want */
return parent_node->child;
}
/*
* Get the next node.
*
* If we are at the end of this peer list, return NULL
*/
if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
return NULL;
}
/* Otherwise just return the next peer */
return child_node->peer;
}
/*******************************************************************************
*
* FUNCTION: acpi_ns_get_next_node_typed
*
* PARAMETERS: Type - Type of node to be searched for
* parent_node - Parent node whose children we are
* getting
@ -66,26 +111,21 @@ ACPI_MODULE_NAME("nswalk")
* within Scope is returned.
*
******************************************************************************/
struct acpi_namespace_node *acpi_ns_get_next_node(acpi_object_type type, struct acpi_namespace_node
*parent_node, struct acpi_namespace_node
*child_node)
struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type,
struct
acpi_namespace_node
*parent_node,
struct
acpi_namespace_node
*child_node)
{
struct acpi_namespace_node *next_node = NULL;
ACPI_FUNCTION_ENTRY();
if (!child_node) {
next_node = acpi_ns_get_next_node(parent_node, child_node);
/* It's really the parent's _scope_ that we want */
next_node = parent_node->child;
}
else {
/* Start search at the NEXT node */
next_node = acpi_ns_get_next_valid_node(child_node);
}
/* If any type is OK, we are done */
@ -186,9 +226,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
/* Get the next node in this scope. Null if not found */
status = AE_OK;
child_node =
acpi_ns_get_next_node(ACPI_TYPE_ANY, parent_node,
child_node);
child_node = acpi_ns_get_next_node(parent_node, child_node);
if (child_node) {
/* Found next child, get the type if we are not searching for ANY */
@ -269,8 +307,7 @@ acpi_ns_walk_namespace(acpi_object_type type,
* function has specified that the maximum depth has been reached.
*/
if ((level < max_depth) && (status != AE_CTRL_DEPTH)) {
if (acpi_ns_get_next_node
(ACPI_TYPE_ANY, child_node, NULL)) {
if (child_node->child) {
/* There is at least one child of this node, visit it */

150
drivers/acpi/acpica/nsxfname.c
View File

@ -45,6 +45,8 @@
#include <acpi/acpi.h>
#include "accommon.h"
#include "acnamesp.h"
#include "acparser.h"
#include "amlcode.h"
#define _COMPONENT ACPI_NAMESPACE
ACPI_MODULE_NAME("nsxfname")
@ -358,3 +360,151 @@ acpi_get_object_info(acpi_handle handle, struct acpi_buffer * buffer)
}
ACPI_EXPORT_SYMBOL(acpi_get_object_info)
/******************************************************************************
*
* FUNCTION: acpi_install_method
*
* PARAMETERS: Buffer - An ACPI table containing one control method
*
* RETURN: Status
*
* DESCRIPTION: Install a control method into the namespace. If the method
* name already exists in the namespace, it is overwritten. The
* input buffer must contain a valid DSDT or SSDT containing a
* single control method.
*
******************************************************************************/
acpi_status acpi_install_method(u8 *buffer)
{
struct acpi_table_header *table =
ACPI_CAST_PTR(struct acpi_table_header, buffer);
u8 *aml_buffer;
u8 *aml_start;
char *path;
struct acpi_namespace_node *node;
union acpi_operand_object *method_obj;
struct acpi_parse_state parser_state;
u32 aml_length;
u16 opcode;
u8 method_flags;
acpi_status status;
/* Parameter validation */
if (!buffer) {
return AE_BAD_PARAMETER;
}
/* Table must be a DSDT or SSDT */
if (!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) &&
!ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) {
return AE_BAD_HEADER;
}
/* First AML opcode in the table must be a control method */
parser_state.aml = buffer + sizeof(struct acpi_table_header);
opcode = acpi_ps_peek_opcode(&parser_state);
if (opcode != AML_METHOD_OP) {
return AE_BAD_PARAMETER;
}
/* Extract method information from the raw AML */
parser_state.aml += acpi_ps_get_opcode_size(opcode);
parser_state.pkg_end = acpi_ps_get_next_package_end(&parser_state);
path = acpi_ps_get_next_namestring(&parser_state);
method_flags = *parser_state.aml++;
aml_start = parser_state.aml;
aml_length = ACPI_PTR_DIFF(parser_state.pkg_end, aml_start);
/*
* Allocate resources up-front. We don't want to have to delete a new
* node from the namespace if we cannot allocate memory.
*/
aml_buffer = ACPI_ALLOCATE(aml_length);
if (!aml_buffer) {
return AE_NO_MEMORY;
}
method_obj = acpi_ut_create_internal_object(ACPI_TYPE_METHOD);
if (!method_obj) {
ACPI_FREE(aml_buffer);
return AE_NO_MEMORY;
}
/* Lock namespace for acpi_ns_lookup, we may be creating a new node */
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
goto error_exit;
}
/* The lookup either returns an existing node or creates a new one */
status =
acpi_ns_lookup(NULL, path, ACPI_TYPE_METHOD, ACPI_IMODE_LOAD_PASS1,
ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND,
NULL, &node);
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) { /* ns_lookup */
if (status != AE_ALREADY_EXISTS) {
goto error_exit;
}
/* Node existed previously, make sure it is a method node */
if (node->type != ACPI_TYPE_METHOD) {
status = AE_TYPE;
goto error_exit;
}
}
/* Copy the method AML to the local buffer */
ACPI_MEMCPY(aml_buffer, aml_start, aml_length);
/* Initialize the method object with the new method's information */
method_obj->method.aml_start = aml_buffer;
method_obj->method.aml_length = aml_length;
method_obj->method.param_count = (u8)
(method_flags & AML_METHOD_ARG_COUNT);
method_obj->method.method_flags = (u8)
(method_flags & ~AML_METHOD_ARG_COUNT);
if (method_flags & AML_METHOD_SERIALIZED) {
method_obj->method.sync_level = (u8)
((method_flags & AML_METHOD_SYNC_LEVEL) >> 4);
}
/*
* Now that it is complete, we can attach the new method object to
* the method Node (detaches/deletes any existing object)
*/
status = acpi_ns_attach_object(node, method_obj, ACPI_TYPE_METHOD);
/*
* Flag indicates AML buffer is dynamic, must be deleted later.
* Must be set only after attach above.
*/
node->flags |= ANOBJ_ALLOCATED_BUFFER;
/* Remove local reference to the method object */
acpi_ut_remove_reference(method_obj);
return status;
error_exit:
ACPI_FREE(aml_buffer);
ACPI_FREE(method_obj);
return status;
}
ACPI_EXPORT_SYMBOL(acpi_install_method)

9
drivers/acpi/acpica/nsxfobj.c
View File

@ -162,6 +162,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_type)
acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
{
struct acpi_namespace_node *node;
struct acpi_namespace_node *parent_node;
acpi_status status;
if (!ret_handle) {
@ -189,12 +190,12 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle)
/* Get the parent entry */
*ret_handle =
acpi_ns_convert_entry_to_handle(acpi_ns_get_parent_node(node));
parent_node = acpi_ns_get_parent_node(node);
*ret_handle = acpi_ns_convert_entry_to_handle(parent_node);
/* Return exception if parent is null */
if (!acpi_ns_get_parent_node(node)) {
if (!parent_node) {
status = AE_NULL_ENTRY;
}
@ -268,7 +269,7 @@ acpi_get_next_object(acpi_object_type type,
/* Internal function does the real work */
node = acpi_ns_get_next_node(type, parent_node, child_node);
node = acpi_ns_get_next_node_typed(type, parent_node, child_node);
if (!node) {
status = AE_NOT_FOUND;
goto unlock_and_exit;

5
drivers/acpi/acpica/rscalc.c
View File

@ -547,7 +547,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
if (!package_element ||
(package_element->common.type != ACPI_TYPE_PACKAGE)) {
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
/*
@ -593,9 +593,6 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
} else {
temp_size_needed +=
acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
if (!temp_size_needed) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
}
} else {
/*

8
drivers/acpi/acpica/rsxface.c
View File

@ -338,13 +338,17 @@ acpi_resource_to_address64(struct acpi_resource *resource,
switch (resource->type) {
case ACPI_RESOURCE_TYPE_ADDRESS16:
address16 = (struct acpi_resource_address16 *)&resource->data;
address16 =
ACPI_CAST_PTR(struct acpi_resource_address16,
&resource->data);
ACPI_COPY_ADDRESS(out, address16);
break;
case ACPI_RESOURCE_TYPE_ADDRESS32:
address32 = (struct acpi_resource_address32 *)&resource->data;
address32 =
ACPI_CAST_PTR(struct acpi_resource_address32,
&resource->data);
ACPI_COPY_ADDRESS(out, address32);
break;

16
drivers/acpi/acpica/tbfadt.c
View File

@ -284,9 +284,9 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length)
if (length > sizeof(struct acpi_table_fadt)) {
ACPI_WARNING((AE_INFO,
"FADT (revision %u) is longer than ACPI 2.0 version, "
"truncating length 0x%X to 0x%zX",
table->revision, (unsigned)length,
sizeof(struct acpi_table_fadt)));
"truncating length 0x%X to 0x%X",
table->revision, length,
(u32)sizeof(struct acpi_table_fadt)));
}
/* Clear the entire local FADT */
@ -441,7 +441,7 @@ static void acpi_tb_convert_fadt(void)
&acpi_gbl_FADT,
fadt_info_table
[i].length),
address32);
(u64) address32);
}
}
}
@ -469,7 +469,6 @@ static void acpi_tb_convert_fadt(void)
static void acpi_tb_validate_fadt(void)
{
char *name;
u32 *address32;
struct acpi_generic_address *address64;
u8 length;
u32 i;
@ -505,15 +504,12 @@ static void acpi_tb_validate_fadt(void)
for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) {
/*
* Generate pointers to the 32-bit and 64-bit addresses, get the
* register length (width), and the register name
* Generate pointer to the 64-bit address, get the register
* length (width) and the register name
*/
address64 = ACPI_ADD_PTR(struct acpi_generic_address,
&acpi_gbl_FADT,
fadt_info_table[i].address64);
address32 =
ACPI_ADD_PTR(u32, &acpi_gbl_FADT,
fadt_info_table[i].address32);
length =
*ACPI_ADD_PTR(u8, &acpi_gbl_FADT,
fadt_info_table[i].length);

2
drivers/acpi/acpica/tbinstal.c
View File

@ -472,7 +472,7 @@ acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index)
* lock may block, and also since the execution of a namespace walk
* must be allowed to use the interpreter.
*/
acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
(void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
status = acpi_ut_acquire_write_lock(&acpi_gbl_namespace_rw_lock);
acpi_ns_delete_namespace_by_owner(owner_id);

23
drivers/acpi/acpica/utcopy.c
View File

@ -676,6 +676,7 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
{
u16 reference_count;
union acpi_operand_object *next_object;
acpi_status status;
/* Save fields from destination that we don't want to overwrite */
@ -768,6 +769,28 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
}
break;
/*
* For Mutex and Event objects, we cannot simply copy the underlying
* OS object. We must create a new one.
*/
case ACPI_TYPE_MUTEX:
status = acpi_os_create_mutex(&dest_desc->mutex.os_mutex);
if (ACPI_FAILURE(status)) {
return status;
}
break;
case ACPI_TYPE_EVENT:
status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0,
&dest_desc->event.
os_semaphore);
if (ACPI_FAILURE(status)) {
return status;
}
break;
default:
/* Nothing to do for other simple objects */
break;

8
drivers/acpi/acpica/utdebug.c
View File

@ -179,9 +179,9 @@ acpi_debug_print(u32 requested_debug_level,
if (thread_id != acpi_gbl_prev_thread_id) {
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf
("\n**** Context Switch from TID %lX to TID %lX ****\n\n",
(unsigned long)acpi_gbl_prev_thread_id,
(unsigned long)thread_id);
("\n**** Context Switch from TID %p to TID %p ****\n\n",
ACPI_CAST_PTR(void, acpi_gbl_prev_thread_id),
ACPI_CAST_PTR(void, thread_id));
}
acpi_gbl_prev_thread_id = thread_id;
@ -194,7 +194,7 @@ acpi_debug_print(u32 requested_debug_level,
acpi_os_printf("%8s-%04ld ", module_name, line_number);
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf("[%04lX] ", (unsigned long)thread_id);
acpi_os_printf("[%p] ", ACPI_CAST_PTR(void, thread_id));
}
acpi_os_printf("[%02ld] %-22.22s: ",

21
drivers/acpi/acpica/utdelete.c
View File

@ -75,6 +75,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
union acpi_operand_object *handler_desc;
union acpi_operand_object *second_desc;
union acpi_operand_object *next_desc;
union acpi_operand_object **last_obj_ptr;
ACPI_FUNCTION_TRACE_PTR(ut_delete_internal_obj, object);
@ -223,6 +224,26 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
*/
handler_desc = object->region.handler;
if (handler_desc) {
next_desc =
handler_desc->address_space.region_list;
last_obj_ptr =
&handler_desc->address_space.region_list;
/* Remove the region object from the handler's list */
while (next_desc) {
if (next_desc == object) {
*last_obj_ptr =
next_desc->region.next;
break;
}
/* Walk the linked list of handler */
last_obj_ptr = &next_desc->region.next;
next_desc = next_desc->region.next;
}
if (handler_desc->address_space.handler_flags &
ACPI_ADDR_HANDLER_DEFAULT_INSTALLED) {

20
drivers/acpi/acpica/utmisc.c
View File

@ -1033,11 +1033,12 @@ acpi_error(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;
acpi_os_printf("ACPI Error (%s-%04d): ", module_name, line_number);
acpi_os_printf("ACPI Error: ");
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
line_number);
va_end(args);
}
@ -1047,12 +1048,12 @@ acpi_exception(const char *module_name,
{
va_list args;
acpi_os_printf("ACPI Exception (%s-%04d): %s, ", module_name,
line_number, acpi_format_exception(status));
acpi_os_printf("ACPI Exception: %s, ", acpi_format_exception(status));
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
line_number);
va_end(args);
}
@ -1061,11 +1062,12 @@ acpi_warning(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;
acpi_os_printf("ACPI Warning (%s-%04d): ", module_name, line_number);
acpi_os_printf("ACPI Warning: ");
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
acpi_os_printf(" %8.8X %s-%u\n", ACPI_CA_VERSION, module_name,
line_number);
va_end(args);
}
@ -1074,10 +1076,6 @@ acpi_info(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;
/*
* Removed module_name, line_number, and acpica version, not needed
* for info output
*/
acpi_os_printf("ACPI: ");
va_start(args, format);

26
drivers/acpi/acpica/utmutex.c
View File

@ -230,17 +230,18 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
ACPI_ERROR((AE_INFO,
"Mutex [%s] already acquired by this thread [%X]",
"Mutex [%s] already acquired by this thread [%p]",
acpi_ut_get_mutex_name
(mutex_id),
this_thread_id));
ACPI_CAST_PTR(void,
this_thread_id)));
return (AE_ALREADY_ACQUIRED);
}
ACPI_ERROR((AE_INFO,
"Invalid acquire order: Thread %X owns [%s], wants [%s]",
this_thread_id,
"Invalid acquire order: Thread %p owns [%s], wants [%s]",
ACPI_CAST_PTR(void, this_thread_id),
acpi_ut_get_mutex_name(i),
acpi_ut_get_mutex_name(mutex_id)));
@ -251,24 +252,24 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
#endif
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
"Thread %lX attempting to acquire Mutex [%s]\n",
(unsigned long)this_thread_id,
"Thread %p attempting to acquire Mutex [%s]\n",
ACPI_CAST_PTR(void, this_thread_id),
acpi_ut_get_mutex_name(mutex_id)));
status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex,
ACPI_WAIT_FOREVER);
if (ACPI_SUCCESS(status)) {
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
"Thread %lX acquired Mutex [%s]\n",
(unsigned long)this_thread_id,
"Thread %p acquired Mutex [%s]\n",
ACPI_CAST_PTR(void, this_thread_id),
acpi_ut_get_mutex_name(mutex_id)));
acpi_gbl_mutex_info[mutex_id].use_count++;
acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
} else {
ACPI_EXCEPTION((AE_INFO, status,
"Thread %lX could not acquire Mutex [%X]",
(unsigned long)this_thread_id, mutex_id));
"Thread %p could not acquire Mutex [%X]",
ACPI_CAST_PTR(void, this_thread_id), mutex_id));
}
return (status);
@ -293,9 +294,8 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
ACPI_FUNCTION_NAME(ut_release_mutex);
this_thread_id = acpi_os_get_thread_id();
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
"Thread %lX releasing Mutex [%s]\n",
(unsigned long)this_thread_id,
ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %p releasing Mutex [%s]\n",
ACPI_CAST_PTR(void, this_thread_id),
acpi_ut_get_mutex_name(mutex_id)));
if (mutex_id > ACPI_MAX_MUTEX) {

9
include/acpi/acpixf.h
View File

@ -47,7 +47,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
#define ACPI_CA_VERSION 0x20090320
#define ACPI_CA_VERSION 0x20090521
#include "actypes.h"
#include "actbl.h"
@ -201,6 +201,8 @@ acpi_evaluate_object_typed(acpi_handle object,
acpi_status
acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);
acpi_status acpi_install_method(u8 *buffer);
acpi_status
acpi_get_next_object(acpi_object_type type,
acpi_handle parent,
@ -375,7 +377,7 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
acpi_status acpi_leave_sleep_state(u8 sleep_state);
/*
* Debug output
* Error/Warning output
*/
void ACPI_INTERNAL_VAR_XFACE
acpi_error(const char *module_name,
@ -394,6 +396,9 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_info(const char *module_name,
u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
/*
* Debug output
*/
#ifdef ACPI_DEBUG_OUTPUT
void ACPI_INTERNAL_VAR_XFACE

20
include/acpi/actypes.h
View File

@ -429,20 +429,12 @@ typedef unsigned long long acpi_integer;
/* Data manipulation */
#define ACPI_LOWORD(l) ((u16)(u32)(l))
#define ACPI_HIWORD(l) ((u16)((((u32)(l)) >> 16) & 0xFFFF))
#define ACPI_LOBYTE(l) ((u8)(u16)(l))
#define ACPI_HIBYTE(l) ((u8)((((u16)(l)) >> 8) & 0xFF))
/* Full 64-bit integer must be available on both 32-bit and 64-bit platforms */
struct acpi_integer_overlay {
u32 lo_dword;
u32 hi_dword;
};
#define ACPI_LODWORD(integer) (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->lo_dword)
#define ACPI_HIDWORD(integer) (ACPI_CAST_PTR (struct acpi_integer_overlay, &integer)->hi_dword)
#define ACPI_LOBYTE(integer) ((u8) (u16)(integer))
#define ACPI_HIBYTE(integer) ((u8) (((u16)(integer)) >> 8))
#define ACPI_LOWORD(integer) ((u16) (u32)(integer))
#define ACPI_HIWORD(integer) ((u16)(((u32)(integer)) >> 16))
#define ACPI_LODWORD(integer64) ((u32) (u64)(integer64))
#define ACPI_HIDWORD(integer64) ((u32)(((u64)(integer64)) >> 32))
#define ACPI_SET_BIT(target,bit) ((target) |= (bit))
#define ACPI_CLEAR_BIT(target,bit) ((target) &= ~(bit))

4
include/acpi/platform/acgcc.h
View File

@ -62,4 +62,8 @@
*/
#define ACPI_UNUSED_VAR __attribute__ ((unused))
#ifdef _ANSI
#define inline
#endif
#endif /* __ACGCC_H__ */

63
include/acpi/platform/aclinux.h
View File

@ -1,11 +1,11 @@
/******************************************************************************
*
* Name: aclinux.h - OS specific defines, etc.
* Name: aclinux.h - OS specific defines, etc. for Linux
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2008, Intel Corp.
* Copyright (C) 2000 - 2009, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -44,10 +44,13 @@
#ifndef __ACLINUX_H__
#define __ACLINUX_H__
/* Common (in-kernel/user-space) ACPICA configuration */
#define ACPI_USE_SYSTEM_CLIBRARY
#define ACPI_USE_DO_WHILE_0
#define ACPI_MUTEX_TYPE ACPI_BINARY_SEMAPHORE
#ifdef __KERNEL__
#include <linux/string.h>
@ -63,15 +66,18 @@
#include <linux/spinlock_types.h>
#include <asm/current.h>
/* Host-dependent types and defines */
/* Host-dependent types and defines for in-kernel ACPICA */
#define ACPI_MACHINE_WIDTH BITS_PER_LONG
#define acpi_cache_t struct kmem_cache
#define acpi_spinlock spinlock_t *
#define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
#define strtoul simple_strtoul
#else /* !__KERNEL__ */
#define acpi_cache_t struct kmem_cache
#define acpi_spinlock spinlock_t *
#define acpi_cpu_flags unsigned long
#define acpi_thread_id struct task_struct *
#else /* !__KERNEL__ */
#include <stdarg.h>
#include <string.h>
@ -79,6 +85,11 @@
#include <ctype.h>
#include <unistd.h>
/* Host-dependent types and defines for user-space ACPICA */
#define ACPI_FLUSH_CPU_CACHE()
#define acpi_thread_id pthread_t
#if defined(__ia64__) || defined(__x86_64__)
#define ACPI_MACHINE_WIDTH 64
#define COMPILER_DEPENDENT_INT64 long
@ -94,17 +105,17 @@
#define __cdecl
#endif
#define ACPI_FLUSH_CPU_CACHE()
#endif /* __KERNEL__ */
#endif /* __KERNEL__ */
/* Linux uses GCC */
#include "acgcc.h"
#define acpi_cpu_flags unsigned long
#define acpi_thread_id struct task_struct *
#ifdef __KERNEL__
/*
* Overrides for in-kernel ACPICA
*/
static inline acpi_thread_id acpi_os_get_thread_id(void)
{
return current;
@ -119,30 +130,32 @@ static inline acpi_thread_id acpi_os_get_thread_id(void)
#include <acpi/actypes.h>
static inline void *acpi_os_allocate(acpi_size size)
{
return kmalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
return kmalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
}
static inline void *acpi_os_allocate_zeroed(acpi_size size)
{
return kzalloc(size, irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
return kzalloc(size, irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
}
static inline void *acpi_os_acquire_object(acpi_cache_t * cache)
{
return kmem_cache_zalloc(cache,
irqs_disabled()? GFP_ATOMIC : GFP_KERNEL);
irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
}
#define ACPI_ALLOCATE(a) acpi_os_allocate(a)
#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
#define ACPI_FREE(a) kfree(a)
#define ACPI_ALLOCATE(a) acpi_os_allocate(a)
#define ACPI_ALLOCATE_ZEROED(a) acpi_os_allocate_zeroed(a)
#define ACPI_FREE(a) kfree(a)
/*
* We need to show where it is safe to preempt execution of ACPICA
*/
#define ACPI_PREEMPTION_POINT() \
do { \
if (!irqs_disabled()) \
cond_resched(); \
/* Used within ACPICA to show where it is safe to preempt execution */
#define ACPI_PREEMPTION_POINT() \
do { \
if (!irqs_disabled()) \
cond_resched(); \
} while (0)
#endif /* __ACLINUX_H__ */
#endif /* __KERNEL__ */
#endif /* __ACLINUX_H__ */