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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: (22 commits)
  ACPI: fix early DSDT dmi check warnings on ia64
  ACPICA: Update version to 20100428.
  ACPICA: Update/clarify some parameter names associated with acpi_handle
  ACPICA: Rename acpi_ex_system_do_suspend->acpi_ex_system_do_sleep
  ACPICA: Prevent possible allocation overrun during object copy
  ACPICA: Split large file, evgpeblk
  ACPICA: Add GPE support for dynamically loaded ACPI tables
  ACPICA: Clarify/rename some root table descriptor fields
  ACPICA: Update version to 20100331.
  ACPICA: Minimize the differences between linux GPE code and ACPICA code base
  ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT
  ACPICA: Update DSDT copy/detection.
  ACPICA: Add subsystem option to force copy of DSDT to local memory
  ACPICA: Add detection of corrupted/replaced DSDT
  ACPICA: Add write support for DataTable operation regions
  ACPICA: Fix for acpi_reallocate_root_table for incorrect root table copy
  ACPICA: Update comments/headers, no functional change
  ACPICA: Update version to 20100304
  ACPICA: Fix for possible fault in acpi_ex_release_mutex
  ACPICA: Standardize integer output for ACPICA warnings/errors
  ...
This commit is contained in:
Linus Torvalds 2010-05-20 09:45:38 -07:00
commit 04afb40593
80 changed files with 2146 additions and 1427 deletions
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1
Documentation/kernel-parameters.txt
View File

@ -152,6 +152,7 @@ and is between 256 and 4096 characters. It is defined in the file
strict -- Be less tolerant of platforms that are not
strictly ACPI specification compliant.
rsdt -- prefer RSDT over (default) XSDT
copy_dsdt -- copy DSDT to memory
See also Documentation/power/pm.txt, pci=noacpi

4
arch/x86/kernel/acpi/boot.c
View File

@ -1613,6 +1613,10 @@ static int __init parse_acpi(char *arg)
/* "acpi=noirq" disables ACPI interrupt routing */
else if (strcmp(arg, "noirq") == 0) {
acpi_noirq_set();
}
/* "acpi=copy_dsdt" copys DSDT */
else if (strcmp(arg, "copy_dsdt") == 0) {
acpi_gbl_copy_dsdt_locally = 1;
} else {
/* Core will printk when we return error. */
return -EINVAL;

4
drivers/acpi/acpica/Makefile
View File

@ -14,12 +14,12 @@ acpi-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \
acpi-y += evevent.o evregion.o evsci.o evxfevnt.o \
evmisc.o evrgnini.o evxface.o evxfregn.o \
evgpe.o evgpeblk.o
evgpe.o evgpeblk.o evgpeinit.o evgpeutil.o
acpi-y += exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\
exconvrt.o exfldio.o exoparg1.o exprep.o exresop.o exsystem.o\
excreate.o exmisc.o exoparg2.o exregion.o exstore.o exutils.o \
exdump.o exmutex.o exoparg3.o exresnte.o exstoren.o
exdump.o exmutex.o exoparg3.o exresnte.o exstoren.o exdebug.o
acpi-y += hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o hwvalid.o

51
drivers/acpi/acpica/acevents.h
View File

@ -73,8 +73,10 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
u32 notify_value);
/*
* evgpe - GPE handling and dispatch
* evgpe - Low-level GPE support
*/
u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
acpi_status
acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info);
@ -85,19 +87,13 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
u32 gpe_number);
struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
struct acpi_gpe_block_info
*gpe_block);
/*
* evgpeblk
* evgpeblk - Upper-level GPE block support
*/
u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
acpi_status
acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
void *context);
acpi_status
acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
struct acpi_generic_address *gpe_block_address,
@ -116,12 +112,37 @@ u32
acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info,
u32 gpe_number);
u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
/*
* evgpeinit - GPE initialization and update
*/
acpi_status acpi_ev_gpe_initialize(void);
void acpi_ev_update_gpes(acpi_owner_id table_owner_id);
acpi_status
acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info);
acpi_ev_match_gpe_method(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
acpi_status acpi_ev_gpe_initialize(void);
acpi_status
acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
u32 level, void *context, void **return_value);
/*
* evgpeutil - GPE utilities
*/
acpi_status
acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context);
u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 interrupt_number);
acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
void *context);
/*
* evregion - Address Space handling

25
drivers/acpi/acpica/acglobal.h
View File

@ -112,6 +112,19 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);
/*
* Optionally enable output from the AML Debug Object.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);
/*
* Optionally copy the entire DSDT to local memory (instead of simply
* mapping it.) There are some BIOSs that corrupt or replace the original
* DSDT, creating the need for this option. Default is FALSE, do not copy
* the DSDT.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_copy_dsdt_locally, FALSE);
/* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */
struct acpi_table_fadt acpi_gbl_FADT;
@ -145,11 +158,10 @@ ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
****************************************************************************/
/*
* acpi_gbl_root_table_list is the master list of ACPI tables found in the
* RSDT/XSDT.
*
* acpi_gbl_root_table_list is the master list of ACPI tables that were
* found in the RSDT/XSDT.
*/
ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
ACPI_EXTERN struct acpi_table_list acpi_gbl_root_table_list;
ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS;
/* These addresses are calculated from the FADT Event Block addresses */
@ -160,6 +172,11 @@ ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_status;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
/* DSDT information. Used to check for DSDT corruption */
ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
ACPI_EXTERN struct acpi_table_header acpi_gbl_original_dsdt_header;
/*
* Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
* determined by the revision of the DSDT: If the DSDT revision is less than

9
drivers/acpi/acpica/acinterp.h
View File

@ -120,6 +120,13 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
union acpi_operand_object **result_desc,
struct acpi_walk_state *walk_state);
/*
* exdebug - AML debug object
*/
void
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index);
/*
* exfield - ACPI AML (p-code) execution - field manipulation
*/
@ -274,7 +281,7 @@ acpi_status
acpi_ex_system_do_notify_op(union acpi_operand_object *value,
union acpi_operand_object *obj_desc);
acpi_status acpi_ex_system_do_suspend(u64 time);
acpi_status acpi_ex_system_do_sleep(u64 time);
acpi_status acpi_ex_system_do_stall(u32 time);

19
drivers/acpi/acpica/aclocal.h
View File

@ -213,12 +213,12 @@ struct acpi_namespace_node {
#define ANOBJ_IS_BIT_OFFSET 0x40 /* i_aSL only: Reference is a bit offset */
#define ANOBJ_IS_REFERENCED 0x80 /* i_aSL only: Object was referenced */
/* One internal RSDT for table management */
/* Internal ACPI table management - master table list */
struct acpi_internal_rsdt {
struct acpi_table_desc *tables;
u32 count;
u32 size;
struct acpi_table_list {
struct acpi_table_desc *tables; /* Table descriptor array */
u32 current_table_count; /* Tables currently in the array */
u32 max_table_count; /* Max tables array will hold */
u8 flags;
};
@ -427,8 +427,8 @@ struct acpi_gpe_event_info {
struct acpi_gpe_register_info *register_info; /* Backpointer to register info */
u8 flags; /* Misc info about this GPE */
u8 gpe_number; /* This GPE */
u8 runtime_count;
u8 wakeup_count;
u8 runtime_count; /* References to a run GPE */
u8 wakeup_count; /* References to a wake GPE */
};
/* Information about a GPE register pair, one per each status/enable pair in an array */
@ -454,6 +454,7 @@ struct acpi_gpe_block_info {
struct acpi_gpe_event_info *event_info; /* One for each GPE */
struct acpi_generic_address block_address; /* Base address of the block */
u32 register_count; /* Number of register pairs in block */
u16 gpe_count; /* Number of individual GPEs in block */
u8 block_base_number; /* Base GPE number for this block */
};
@ -469,6 +470,10 @@ struct acpi_gpe_xrupt_info {
struct acpi_gpe_walk_info {
struct acpi_namespace_node *gpe_device;
struct acpi_gpe_block_info *gpe_block;
u16 count;
acpi_owner_id owner_id;
u8 enable_this_gpe;
u8 execute_by_owner_id;
};
struct acpi_gpe_device_info {

4
drivers/acpi/acpica/actables.h
View File

@ -107,6 +107,10 @@ u8 acpi_tb_checksum(u8 *buffer, u32 length);
acpi_status
acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length);
void acpi_tb_check_dsdt_header(void);
struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index);
void
acpi_tb_install_table(acpi_physical_address address,
char *signature, u32 table_index);

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

@ -323,7 +323,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info,
default:
ACPI_ERROR((AE_INFO,
"Invalid opcode in field list: %X",
"Invalid opcode in field list: 0x%X",
arg->common.aml_opcode));
return_ACPI_STATUS(AE_AML_BAD_OPCODE);
}

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

@ -225,7 +225,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
(walk_state->thread->current_sync_level >
obj_desc->method.mutex->mutex.sync_level)) {
ACPI_ERROR((AE_INFO,
"Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%d)",
"Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%u)",
acpi_ut_get_node_name(method_node),
walk_state->thread->current_sync_level));

10
drivers/acpi/acpica/dsmthdat.c
View File

@ -262,7 +262,7 @@ acpi_ds_method_data_get_node(u8 type,
if (index > ACPI_METHOD_MAX_LOCAL) {
ACPI_ERROR((AE_INFO,
"Local index %d is invalid (max %d)",
"Local index %u is invalid (max %u)",
index, ACPI_METHOD_MAX_LOCAL));
return_ACPI_STATUS(AE_AML_INVALID_INDEX);
}
@ -276,7 +276,7 @@ acpi_ds_method_data_get_node(u8 type,
if (index > ACPI_METHOD_MAX_ARG) {
ACPI_ERROR((AE_INFO,
"Arg index %d is invalid (max %d)",
"Arg index %u is invalid (max %u)",
index, ACPI_METHOD_MAX_ARG));
return_ACPI_STATUS(AE_AML_INVALID_INDEX);
}
@ -287,7 +287,7 @@ acpi_ds_method_data_get_node(u8 type,
break;
default:
ACPI_ERROR((AE_INFO, "Type %d is invalid", type));
ACPI_ERROR((AE_INFO, "Type %u is invalid", type));
return_ACPI_STATUS(AE_TYPE);
}
@ -424,7 +424,7 @@ acpi_ds_method_data_get_value(u8 type,
case ACPI_REFCLASS_ARG:
ACPI_ERROR((AE_INFO,
"Uninitialized Arg[%d] at node %p",
"Uninitialized Arg[%u] at node %p",
index, node));
return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
@ -440,7 +440,7 @@ acpi_ds_method_data_get_value(u8 type,
default:
ACPI_ERROR((AE_INFO,
"Not a Arg/Local opcode: %X",
"Not a Arg/Local opcode: 0x%X",
type));
return_ACPI_STATUS(AE_AML_INTERNAL);
}

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

@ -288,7 +288,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state,
if (byte_list) {
if (byte_list->common.aml_opcode != AML_INT_BYTELIST_OP) {
ACPI_ERROR((AE_INFO,
"Expecting bytelist, got AML opcode %X in op %p",
"Expecting bytelist, found AML opcode 0x%X in op %p",
byte_list->common.aml_opcode, byte_list));
acpi_ut_remove_reference(obj_desc);
@ -511,7 +511,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
}
ACPI_INFO((AE_INFO,
"Actual Package length (0x%X) is larger than NumElements field (0x%X), truncated\n",
"Actual Package length (%u) is larger than NumElements field (%u), truncated\n",
i, element_count));
} else if (i < element_count) {
/*
@ -519,7 +519,7 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state,
* Note: this is not an error, the package is padded out with NULLs.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Package List length (0x%X) smaller than NumElements count (0x%X), padded with null elements\n",
"Package List length (%u) smaller than NumElements count (%u), padded with null elements\n",
i, element_count));
}
@ -701,7 +701,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
default:
ACPI_ERROR((AE_INFO,
"Unknown constant opcode %X",
"Unknown constant opcode 0x%X",
opcode));
status = AE_AML_OPERAND_TYPE;
break;
@ -717,7 +717,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
break;
default:
ACPI_ERROR((AE_INFO, "Unknown Integer type %X",
ACPI_ERROR((AE_INFO, "Unknown Integer type 0x%X",
op_info->type));
status = AE_AML_OPERAND_TYPE;
break;
@ -806,7 +806,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
default:
ACPI_ERROR((AE_INFO,
"Unimplemented reference type for AML opcode: %4.4X",
"Unimplemented reference type for AML opcode: 0x%4.4X",
opcode));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}
@ -816,7 +816,7 @@ acpi_ds_init_object_from_op(struct acpi_walk_state *walk_state,
default:
ACPI_ERROR((AE_INFO, "Unimplemented data type: %X",
ACPI_ERROR((AE_INFO, "Unimplemented data type: 0x%X",
obj_desc->common.type));
status = AE_AML_OPERAND_TYPE;

13
drivers/acpi/acpica/dsopcode.c
View File

@ -292,7 +292,7 @@ acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc)
node = obj_desc->buffer.node;
if (!node) {
ACPI_ERROR((AE_INFO,
"No pointer back to NS node in buffer obj %p",
"No pointer back to namespace node in buffer object %p",
obj_desc));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
@ -336,7 +336,7 @@ acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc)
node = obj_desc->package.node;
if (!node) {
ACPI_ERROR((AE_INFO,
"No pointer back to NS node in package %p",
"No pointer back to namespace node in package %p",
obj_desc));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
@ -580,7 +580,8 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
default:
ACPI_ERROR((AE_INFO,
"Unknown field creation opcode %02x", aml_opcode));
"Unknown field creation opcode 0x%02X",
aml_opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
@ -589,7 +590,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode,
if ((bit_offset + bit_count) > (8 * (u32) buffer_desc->buffer.length)) {
ACPI_ERROR((AE_INFO,
"Field [%4.4s] at %d exceeds Buffer [%4.4s] size %d (bits)",
"Field [%4.4s] at %u exceeds Buffer [%4.4s] size %u (bits)",
acpi_ut_get_node_name(result_desc),
bit_offset + bit_count,
acpi_ut_get_node_name(buffer_desc->buffer.node),
@ -693,7 +694,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
status = acpi_ex_resolve_operands(op->common.aml_opcode,
ACPI_WALK_OPERANDS, walk_state);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
ACPI_ERROR((AE_INFO, "(%s) bad operand(s), status 0x%X",
acpi_ps_get_opcode_name(op->common.aml_opcode),
status));
@ -1461,7 +1462,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
default:
ACPI_ERROR((AE_INFO, "Unknown control opcode=%X Op=%p",
ACPI_ERROR((AE_INFO, "Unknown control opcode=0x%X Op=%p",
op->common.aml_opcode, op));
status = AE_AML_BAD_OPCODE;

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

@ -140,7 +140,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state,
if (local_obj_desc->common.type != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"Bad predicate (not an integer) ObjDesc=%p State=%p Type=%X",
"Bad predicate (not an integer) ObjDesc=%p State=%p Type=0x%X",
obj_desc, walk_state, obj_desc->common.type));
status = AE_AML_OPERAND_TYPE;
@ -354,7 +354,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
op_class = walk_state->op_info->class;
if (op_class == AML_CLASS_UNKNOWN) {
ACPI_ERROR((AE_INFO, "Unknown opcode %X",
ACPI_ERROR((AE_INFO, "Unknown opcode 0x%X",
op->common.aml_opcode));
return_ACPI_STATUS(AE_NOT_IMPLEMENTED);
}
@ -678,7 +678,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO,
"Unimplemented opcode, class=%X type=%X Opcode=%X Op=%p",
"Unimplemented opcode, class=0x%X type=0x%X Opcode=-0x%X Op=%p",
op_class, op_type, op->common.aml_opcode,
op));

10
drivers/acpi/acpica/dswstate.c
View File

@ -179,7 +179,7 @@ acpi_ds_result_push(union acpi_operand_object * object,
if (!object) {
ACPI_ERROR((AE_INFO,
"Null Object! Obj=%p State=%p Num=%X",
"Null Object! Obj=%p State=%p Num=%u",
object, walk_state, walk_state->result_count));
return (AE_BAD_PARAMETER);
}
@ -223,7 +223,7 @@ static acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *walk_state)
if (((u32) walk_state->result_size + ACPI_RESULTS_FRAME_OBJ_NUM) >
ACPI_RESULTS_OBJ_NUM_MAX) {
ACPI_ERROR((AE_INFO, "Result stack overflow: State=%p Num=%X",
ACPI_ERROR((AE_INFO, "Result stack overflow: State=%p Num=%u",
walk_state, walk_state->result_size));
return (AE_STACK_OVERFLOW);
}
@ -314,7 +314,7 @@ acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state)
if (walk_state->num_operands >= ACPI_OBJ_NUM_OPERANDS) {
ACPI_ERROR((AE_INFO,
"Object stack overflow! Obj=%p State=%p #Ops=%X",
"Object stack overflow! Obj=%p State=%p #Ops=%u",
object, walk_state, walk_state->num_operands));
return (AE_STACK_OVERFLOW);
}
@ -365,7 +365,7 @@ acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
if (walk_state->num_operands == 0) {
ACPI_ERROR((AE_INFO,
"Object stack underflow! Count=%X State=%p #Ops=%X",
"Object stack underflow! Count=%X State=%p #Ops=%u",
pop_count, walk_state,
walk_state->num_operands));
return (AE_STACK_UNDERFLOW);
@ -377,7 +377,7 @@ acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state * walk_state)
walk_state->operands[walk_state->num_operands] = NULL;
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%X\n",
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Count=%X State=%p #Ops=%u\n",
pop_count, walk_state, walk_state->num_operands));
return (AE_OK);

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

@ -302,7 +302,7 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event)
ACPI_DISABLE_EVENT);
ACPI_ERROR((AE_INFO,
"No installed handler for fixed event [%08X]",
"No installed handler for fixed event [0x%08X]",
event));
return (ACPI_INTERRUPT_NOT_HANDLED);

175
drivers/acpi/acpica/evgpe.c
View File

@ -60,7 +60,8 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context);
*
* RETURN: Status
*
* DESCRIPTION: Updates GPE register enable masks based on the GPE type
* DESCRIPTION: Updates GPE register enable masks based upon whether there are
* references (either wake or run) to this GPE
*
******************************************************************************/
@ -81,14 +82,20 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
(1 <<
(gpe_event_info->gpe_number - gpe_register_info->base_gpe_number));
/* Clear the wake/run bits up front */
ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake, register_bit);
ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
if (gpe_event_info->runtime_count)
ACPI_SET_BIT(gpe_register_info->enable_for_run, register_bit);
/* Set the mask bits only if there are references to this GPE */
if (gpe_event_info->wakeup_count)
if (gpe_event_info->runtime_count) {
ACPI_SET_BIT(gpe_register_info->enable_for_run, register_bit);
}
if (gpe_event_info->wakeup_count) {
ACPI_SET_BIT(gpe_register_info->enable_for_wake, register_bit);
}
return_ACPI_STATUS(AE_OK);
}
@ -101,7 +108,10 @@ acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
*
* RETURN: Status
*
* DESCRIPTION: Enable a GPE based on the GPE type
* DESCRIPTION: Hardware-enable a GPE. Always enables the GPE, regardless
* of type or number of references.
*
* Note: The GPE lock should be already acquired when this function is called.
*
******************************************************************************/
@ -109,20 +119,36 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
{
acpi_status status;
ACPI_FUNCTION_TRACE(ev_enable_gpe);
/* Make sure HW enable masks are updated */
/*
* We will only allow a GPE to be enabled if it has either an
* associated method (_Lxx/_Exx) or a handler. Otherwise, the
* GPE will be immediately disabled by acpi_ev_gpe_dispatch the
* first time it fires.
*/
if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)) {
return_ACPI_STATUS(AE_NO_HANDLER);
}
/* Ensure the HW enable masks are current */
status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
if (ACPI_FAILURE(status))
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Clear the GPE (of stale events) */
/* Clear the GPE (of stale events), then enable it */
status = acpi_hw_clear_gpe(gpe_event_info);
if (ACPI_FAILURE(status))
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Enable the requested GPE */
status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
return_ACPI_STATUS(status);
}
@ -135,7 +161,10 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
*
* RETURN: Status
*
* DESCRIPTION: Disable a GPE based on the GPE type
* DESCRIPTION: Hardware-disable a GPE. Always disables the requested GPE,
* regardless of the type or number of references.
*
* Note: The GPE lock should be already acquired when this function is called.
*
******************************************************************************/
@ -145,24 +174,71 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
ACPI_FUNCTION_TRACE(ev_disable_gpe);
/* Make sure HW enable masks are updated */
status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
if (ACPI_FAILURE(status))
return_ACPI_STATUS(status);
/*
* Even if we don't know the GPE type, make sure that we always
* disable it. low_disable_gpe will just clear the enable bit for this
* GPE and write it. It will not write out the current GPE enable mask,
* since this may inadvertently enable GPEs too early, if a rogue GPE has
* come in during ACPICA initialization - possibly as a result of AML or
* other code that has enabled the GPE.
* Note: Always disable the GPE, even if we think that that it is already
* disabled. It is possible that the AML or some other code has enabled
* the GPE behind our back.
*/
/* Ensure the HW enable masks are current */
status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Always H/W disable this GPE, even if we don't know the GPE type.
* Simply clear the enable bit for this particular GPE, but do not
* write out the current GPE enable mask since this may inadvertently
* enable GPEs too early. An example is a rogue GPE that has arrived
* during ACPICA initialization - possibly because AML or other code
* has enabled the GPE.
*/
status = acpi_hw_low_disable_gpe(gpe_event_info);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_low_get_gpe_info
*
* PARAMETERS: gpe_number - Raw GPE number
* gpe_block - A GPE info block
*
* RETURN: A GPE event_info struct. NULL if not a valid GPE (The gpe_number
* is not within the specified GPE block)
*
* DESCRIPTION: Returns the event_info struct associated with this GPE. This is
* the low-level implementation of ev_get_gpe_event_info.
*
******************************************************************************/
struct acpi_gpe_event_info *acpi_ev_low_get_gpe_info(u32 gpe_number,
struct acpi_gpe_block_info
*gpe_block)
{
u32 gpe_index;
/*
* Validate that the gpe_number is within the specified gpe_block.
* (Two steps)
*/
if (!gpe_block || (gpe_number < gpe_block->block_base_number)) {
return (NULL);
}
gpe_index = gpe_number - gpe_block->block_base_number;
if (gpe_index >= gpe_block->gpe_count) {
return (NULL);
}
return (&gpe_block->event_info[gpe_index]);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_event_info
@ -184,29 +260,23 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
u32 gpe_number)
{
union acpi_operand_object *obj_desc;
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_event_info *gpe_info;
u32 i;
ACPI_FUNCTION_ENTRY();
/* A NULL gpe_block means use the FADT-defined GPE block(s) */
/* A NULL gpe_device means use the FADT-defined GPE block(s) */
if (!gpe_device) {
/* Examine GPE Block 0 and 1 (These blocks are permanent) */
for (i = 0; i < ACPI_MAX_GPE_BLOCKS; i++) {
gpe_block = acpi_gbl_gpe_fadt_blocks[i];
if (gpe_block) {
if ((gpe_number >= gpe_block->block_base_number)
&& (gpe_number <
gpe_block->block_base_number +
(gpe_block->register_count * 8))) {
return (&gpe_block->
event_info[gpe_number -
gpe_block->
block_base_number]);
}
gpe_info = acpi_ev_low_get_gpe_info(gpe_number,
acpi_gbl_gpe_fadt_blocks
[i]);
if (gpe_info) {
return (gpe_info);
}
}
@ -223,16 +293,8 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
return (NULL);
}
gpe_block = obj_desc->device.gpe_block;
if ((gpe_number >= gpe_block->block_base_number) &&
(gpe_number <
gpe_block->block_base_number + (gpe_block->register_count * 8))) {
return (&gpe_block->
event_info[gpe_number - gpe_block->block_base_number]);
}
return (NULL);
return (acpi_ev_low_get_gpe_info
(gpe_number, obj_desc->device.gpe_block));
}
/*******************************************************************************
@ -389,7 +451,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
return_VOID;
}
/* Set the GPE flags for return to enabled state */
/* Update the GPE register masks for return to enabled state */
(void)acpi_ev_update_gpe_enable_masks(gpe_event_info);
@ -499,7 +561,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
status = acpi_hw_clear_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to clear GPE[%2X]",
"Unable to clear GPE[0x%2X]",
gpe_number));
return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
}
@ -532,7 +594,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
status = acpi_hw_clear_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to clear GPE[%2X]",
"Unable to clear GPE[0x%2X]",
gpe_number));
return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
}
@ -548,7 +610,7 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
status = acpi_ev_disable_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to disable GPE[%2X]",
"Unable to disable GPE[0x%2X]",
gpe_number));
return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
}
@ -562,27 +624,30 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to queue handler for GPE[%2X] - event disabled",
"Unable to queue handler for GPE[0x%2X] - event disabled",
gpe_number));
}
break;
default:
/* No handler or method to run! */
/*
* No handler or method to run!
* 03/2010: This case should no longer be possible. We will not allow
* a GPE to be enabled if it has no handler or method.
*/
ACPI_ERROR((AE_INFO,
"No handler or method for GPE[%2X], disabling event",
"No handler or method for GPE[0x%2X], disabling event",
gpe_number));
/*
* Disable the GPE. The GPE will remain disabled until the ACPICA
* Core Subsystem is restarted, or a handler is installed.
* Disable the GPE. The GPE will remain disabled a handler
* is installed or ACPICA is restarted.
*/
status = acpi_ev_disable_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Unable to disable GPE[%2X]",
"Unable to disable GPE[0x%2X]",
gpe_number));
return_UINT32(ACPI_INTERRUPT_NOT_HANDLED);
}

766
drivers/acpi/acpica/evgpeblk.c
View File

@ -50,20 +50,6 @@
ACPI_MODULE_NAME("evgpeblk")
/* Local prototypes */
static acpi_status
acpi_ev_save_method_info(acpi_handle obj_handle,
u32 level, void *obj_desc, void **return_value);
static acpi_status
acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
u32 level, void *info, void **return_value);
static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
interrupt_number);
static acpi_status
acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt);
static acpi_status
acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
u32 interrupt_number);
@ -71,527 +57,6 @@ acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block,
static acpi_status
acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block);
/*******************************************************************************
*
* FUNCTION: acpi_ev_valid_gpe_event
*
* PARAMETERS: gpe_event_info - Info for this GPE
*
* RETURN: TRUE if the gpe_event is valid
*
* DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
* Should be called only when the GPE lists are semaphore locked
* and not subject to change.
*
******************************************************************************/
u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_xrupt_info *gpe_xrupt_block;
struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_ENTRY();
/* No need for spin lock since we are not changing any list elements */
/* Walk the GPE interrupt levels */
gpe_xrupt_block = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_block) {
gpe_block = gpe_xrupt_block->gpe_block_list_head;
/* Walk the GPE blocks on this interrupt level */
while (gpe_block) {
if ((&gpe_block->event_info[0] <= gpe_event_info) &&
(&gpe_block->event_info[((acpi_size)
gpe_block->
register_count) * 8] >
gpe_event_info)) {
return (TRUE);
}
gpe_block = gpe_block->next;
}
gpe_xrupt_block = gpe_xrupt_block->next;
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_walk_gpe_list
*
* PARAMETERS: gpe_walk_callback - Routine called for each GPE block
* Context - Value passed to callback
*
* RETURN: Status
*
* DESCRIPTION: Walk the GPE lists.
*
******************************************************************************/
acpi_status
acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context)
{
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
acpi_status status = AE_OK;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(ev_walk_gpe_list);
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Walk the interrupt level descriptor list */
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
/* Walk all Gpe Blocks attached to this interrupt level */
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
/* One callback per GPE block */
status =
gpe_walk_callback(gpe_xrupt_info, gpe_block,
context);
if (ACPI_FAILURE(status)) {
if (status == AE_CTRL_END) { /* Callback abort */
status = AE_OK;
}
goto unlock_and_exit;
}
gpe_block = gpe_block->next;
}
gpe_xrupt_info = gpe_xrupt_info->next;
}
unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_handlers
*
* PARAMETERS: gpe_xrupt_info - GPE Interrupt info
* gpe_block - Gpe Block info
*
* RETURN: Status
*
* DESCRIPTION: Delete all Handler objects found in the GPE data structs.
* Used only prior to termination.
*
******************************************************************************/
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
void *context)
{
struct acpi_gpe_event_info *gpe_event_info;
u32 i;
u32 j;
ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
/* Now look at the individual GPEs in this byte register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
gpe_event_info = &gpe_block->event_info[((acpi_size) i *
ACPI_GPE_REGISTER_WIDTH)
+ j];
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
ACPI_FREE(gpe_event_info->dispatch.handler);
gpe_event_info->dispatch.handler = NULL;
gpe_event_info->flags &=
~ACPI_GPE_DISPATCH_MASK;
}
}
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_save_method_info
*
* PARAMETERS: Callback from walk_namespace
*
* RETURN: Status
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* control method under the _GPE portion of the namespace.
* Extract the name and GPE type from the object, saving this
* information for quick lookup during GPE dispatch
*
* The name of each GPE control method is of the form:
* "_Lxx" or "_Exx"
* Where:
* L - means that the GPE is level triggered
* E - means that the GPE is edge triggered
* xx - is the GPE number [in HEX]
*
******************************************************************************/
static acpi_status
acpi_ev_save_method_info(acpi_handle obj_handle,
u32 level, void *obj_desc, void **return_value)
{
struct acpi_gpe_block_info *gpe_block = (void *)obj_desc;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
ACPI_FUNCTION_TRACE(ev_save_method_info);
/*
* _Lxx and _Exx GPE method support
*
* 1) Extract the name from the object and convert to a string
*/
ACPI_MOVE_32_TO_32(name,
&((struct acpi_namespace_node *)obj_handle)->name.
integer);
name[ACPI_NAME_SIZE] = 0;
/*
* 2) Edge/Level determination is based on the 2nd character
* of the method name
*
* NOTE: Default GPE type is RUNTIME. May be changed later to WAKE
* if a _PRW object is found that points to this GPE.
*/
switch (name[1]) {
case 'L':
type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it! */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Ignoring unknown GPE method type: %s "
"(name not of form _Lxx or _Exx)", name));
return_ACPI_STATUS(AE_OK);
}
/* Convert the last two characters of the name to the GPE Number */
gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Could not extract GPE number from name: %s "
"(name is not of form _Lxx or _Exx)", name));
return_ACPI_STATUS(AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
if ((gpe_number < gpe_block->block_base_number) ||
(gpe_number >= (gpe_block->block_base_number +
(gpe_block->register_count * 8)))) {
/*
* Not valid for this GPE block, just ignore it. However, it may be
* valid for a different GPE block, since GPE0 and GPE1 methods both
* appear under \_GPE.
*/
return_ACPI_STATUS(AE_OK);
}
/*
* Now we can add this information to the gpe_event_info block for use
* during dispatch of this GPE.
*/
gpe_event_info =
&gpe_block->event_info[gpe_number - gpe_block->block_base_number];
gpe_event_info->flags = (u8) (type | ACPI_GPE_DISPATCH_METHOD);
gpe_event_info->dispatch.method_node =
(struct acpi_namespace_node *)obj_handle;
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
name, gpe_number));
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_match_prw_and_gpe
*
* PARAMETERS: Callback from walk_namespace
*
* RETURN: Status. NOTE: We ignore errors so that the _PRW walk is
* not aborted on a single _PRW failure.
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* Device. Run the _PRW method. If present, extract the GPE
* number and mark the GPE as a WAKE GPE.
*
******************************************************************************/
static acpi_status
acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
u32 level, void *info, void **return_value)
{
struct acpi_gpe_walk_info *gpe_info = (void *)info;
struct acpi_namespace_node *gpe_device;
struct acpi_gpe_block_info *gpe_block;
struct acpi_namespace_node *target_gpe_device;
struct acpi_gpe_event_info *gpe_event_info;
union acpi_operand_object *pkg_desc;
union acpi_operand_object *obj_desc;
u32 gpe_number;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_match_prw_and_gpe);
/* Check for a _PRW method under this device */
status = acpi_ut_evaluate_object(obj_handle, METHOD_NAME__PRW,
ACPI_BTYPE_PACKAGE, &pkg_desc);
if (ACPI_FAILURE(status)) {
/* Ignore all errors from _PRW, we don't want to abort the subsystem */
return_ACPI_STATUS(AE_OK);
}
/* The returned _PRW package must have at least two elements */
if (pkg_desc->package.count < 2) {
goto cleanup;
}
/* Extract pointers from the input context */
gpe_device = gpe_info->gpe_device;
gpe_block = gpe_info->gpe_block;
/*
* The _PRW object must return a package, we are only interested in the
* first element
*/
obj_desc = pkg_desc->package.elements[0];
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
/* Use FADT-defined GPE device (from definition of _PRW) */
target_gpe_device = acpi_gbl_fadt_gpe_device;
/* Integer is the GPE number in the FADT described GPE blocks */
gpe_number = (u32) obj_desc->integer.value;
} else if (obj_desc->common.type == ACPI_TYPE_PACKAGE) {
/* Package contains a GPE reference and GPE number within a GPE block */
if ((obj_desc->package.count < 2) ||
((obj_desc->package.elements[0])->common.type !=
ACPI_TYPE_LOCAL_REFERENCE) ||
((obj_desc->package.elements[1])->common.type !=
ACPI_TYPE_INTEGER)) {
goto cleanup;
}
/* Get GPE block reference and decode */
target_gpe_device =
obj_desc->package.elements[0]->reference.node;
gpe_number = (u32) obj_desc->package.elements[1]->integer.value;
} else {
/* Unknown type, just ignore it */
goto cleanup;
}
/*
* Is this GPE within this block?
*
* TRUE if and only if these conditions are true:
* 1) The GPE devices match.
* 2) The GPE index(number) is within the range of the Gpe Block
* associated with the GPE device.
*/
if ((gpe_device == target_gpe_device) &&
(gpe_number >= gpe_block->block_base_number) &&
(gpe_number < gpe_block->block_base_number +
(gpe_block->register_count * 8))) {
gpe_event_info = &gpe_block->event_info[gpe_number -
gpe_block->
block_base_number];
gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
}
cleanup:
acpi_ut_remove_reference(pkg_desc);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_xrupt_block
*
* PARAMETERS: interrupt_number - Interrupt for a GPE block
*
* RETURN: A GPE interrupt block
*
* DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
* block per unique interrupt level used for GPEs. Should be
* called only when the GPE lists are semaphore locked and not
* subject to change.
*
******************************************************************************/
static struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32
interrupt_number)
{
struct acpi_gpe_xrupt_info *next_gpe_xrupt;
struct acpi_gpe_xrupt_info *gpe_xrupt;
acpi_status status;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(ev_get_gpe_xrupt_block);
/* No need for lock since we are not changing any list elements here */
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt) {
if (next_gpe_xrupt->interrupt_number == interrupt_number) {
return_PTR(next_gpe_xrupt);
}
next_gpe_xrupt = next_gpe_xrupt->next;
}
/* Not found, must allocate a new xrupt descriptor */
gpe_xrupt = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_xrupt_info));
if (!gpe_xrupt) {
return_PTR(NULL);
}
gpe_xrupt->interrupt_number = interrupt_number;
/* Install new interrupt descriptor with spin lock */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (acpi_gbl_gpe_xrupt_list_head) {
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt->next) {
next_gpe_xrupt = next_gpe_xrupt->next;
}
next_gpe_xrupt->next = gpe_xrupt;
gpe_xrupt->previous = next_gpe_xrupt;
} else {
acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* Install new interrupt handler if not SCI_INT */
if (interrupt_number != acpi_gbl_FADT.sci_interrupt) {
status = acpi_os_install_interrupt_handler(interrupt_number,
acpi_ev_gpe_xrupt_handler,
gpe_xrupt);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not install GPE interrupt handler at level 0x%X",
interrupt_number));
return_PTR(NULL);
}
}
return_PTR(gpe_xrupt);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_xrupt
*
* PARAMETERS: gpe_xrupt - A GPE interrupt info block
*
* RETURN: Status
*
* DESCRIPTION: Remove and free a gpe_xrupt block. Remove an associated
* interrupt handler if not the SCI interrupt.
*
******************************************************************************/
static acpi_status
acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
{
acpi_status status;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(ev_delete_gpe_xrupt);
/* We never want to remove the SCI interrupt handler */
if (gpe_xrupt->interrupt_number == acpi_gbl_FADT.sci_interrupt) {
gpe_xrupt->gpe_block_list_head = NULL;
return_ACPI_STATUS(AE_OK);
}
/* Disable this interrupt */
status =
acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
acpi_ev_gpe_xrupt_handler);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Unlink the interrupt block with lock */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (gpe_xrupt->previous) {
gpe_xrupt->previous->next = gpe_xrupt->next;
} else {
/* No previous, update list head */
acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next;
}
if (gpe_xrupt->next) {
gpe_xrupt->next->previous = gpe_xrupt->previous;
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* Free the block */
ACPI_FREE(gpe_xrupt);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_install_gpe_block
@ -705,8 +170,7 @@ acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block)
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
}
acpi_current_gpe_count -=
gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH;
acpi_current_gpe_count -= gpe_block->gpe_count;
/* Free the gpe_block */
@ -760,9 +224,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
* Allocate the GPE event_info block. There are eight distinct GPEs
* per register. Initialization to zeros is sufficient.
*/
gpe_event_info = ACPI_ALLOCATE_ZEROED(((acpi_size) gpe_block->
register_count *
ACPI_GPE_REGISTER_WIDTH) *
gpe_event_info = ACPI_ALLOCATE_ZEROED((acpi_size) gpe_block->gpe_count *
sizeof(struct
acpi_gpe_event_info));
if (!gpe_event_info) {
@ -880,6 +342,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
{
acpi_status status;
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_walk_info walk_info;
ACPI_FUNCTION_TRACE(ev_create_gpe_block);
@ -897,6 +360,7 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
/* Initialize the new GPE block */
gpe_block->node = gpe_device;
gpe_block->gpe_count = (u16)(register_count * ACPI_GPE_REGISTER_WIDTH);
gpe_block->register_count = register_count;
gpe_block->block_base_number = gpe_block_base_number;
@ -921,12 +385,17 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
return_ACPI_STATUS(status);
}
/* Find all GPE methods (_Lxx, _Exx) for this block */
/* Find all GPE methods (_Lxx or_Exx) for this block */
walk_info.gpe_block = gpe_block;
walk_info.gpe_device = gpe_device;
walk_info.enable_this_gpe = FALSE;
walk_info.execute_by_owner_id = FALSE;
status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD, gpe_device,
ACPI_UINT32_MAX, ACPI_NS_WALK_NO_UNLOCK,
acpi_ev_save_method_info, NULL,
gpe_block, NULL);
acpi_ev_match_gpe_method, NULL,
&walk_info, NULL);
/* Return the new block */
@ -938,14 +407,13 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
"GPE %02X to %02X [%4.4s] %u regs on int 0x%X\n",
(u32) gpe_block->block_base_number,
(u32) (gpe_block->block_base_number +
((gpe_block->register_count *
ACPI_GPE_REGISTER_WIDTH) - 1)),
(gpe_block->gpe_count - 1)),
gpe_device->name.ascii, gpe_block->register_count,
interrupt_number));
/* Update global count of currently available GPEs */
acpi_current_gpe_count += register_count * ACPI_GPE_REGISTER_WIDTH;
acpi_current_gpe_count += gpe_block->gpe_count;
return_ACPI_STATUS(AE_OK);
}
@ -969,10 +437,13 @@ acpi_status
acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
struct acpi_gpe_block_info *gpe_block)
{
acpi_status status;
struct acpi_gpe_event_info *gpe_event_info;
struct acpi_gpe_walk_info gpe_info;
struct acpi_gpe_walk_info walk_info;
u32 wake_gpe_count;
u32 gpe_enabled_count;
u32 gpe_index;
u32 gpe_number;
u32 i;
u32 j;
@ -995,210 +466,75 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
* definition a wake GPE and will not be enabled while the machine
* is running.
*/
gpe_info.gpe_block = gpe_block;
gpe_info.gpe_device = gpe_device;
walk_info.gpe_block = gpe_block;
walk_info.gpe_device = gpe_device;
walk_info.execute_by_owner_id = FALSE;
acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
status =
acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK,
acpi_ev_match_prw_and_gpe, NULL,
&gpe_info, NULL);
&walk_info, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"While executing _PRW methods"));
}
}
/*
* Enable all GPEs that have a corresponding method and aren't
* Enable all GPEs that have a corresponding method and are not
* capable of generating wakeups. Any other GPEs within this block
* must be enabled via the acpi_enable_gpe() interface.
* must be enabled via the acpi_enable_gpe interface.
*/
wake_gpe_count = 0;
gpe_enabled_count = 0;
if (gpe_device == acpi_gbl_fadt_gpe_device)
if (gpe_device == acpi_gbl_fadt_gpe_device) {
gpe_device = NULL;
}
for (i = 0; i < gpe_block->register_count; i++) {
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
acpi_status status;
acpi_size gpe_index;
int gpe_number;
/* Get the info block for this particular GPE */
gpe_index = (acpi_size)i * ACPI_GPE_REGISTER_WIDTH + j;
gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
gpe_event_info = &gpe_block->event_info[gpe_index];
if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
wake_gpe_count++;
if (acpi_gbl_leave_wake_gpes_disabled)
if (acpi_gbl_leave_wake_gpes_disabled) {
continue;
}
}
if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD))
/* Ignore GPEs that have no corresponding _Lxx/_Exx method */
if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)) {
continue;
}
/* Enable this GPE */
gpe_number = gpe_index + gpe_block->block_base_number;
status = acpi_enable_gpe(gpe_device, gpe_number,
ACPI_GPE_TYPE_RUNTIME);
if (ACPI_FAILURE(status))
ACPI_ERROR((AE_INFO,
"Failed to enable GPE %02X\n",
gpe_number));
else
gpe_enabled_count++;
}
}
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"Found %u Wake, Enabled %u Runtime GPEs in this block\n",
wake_gpe_count, gpe_enabled_count));
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize the GPE data structures
*
******************************************************************************/
acpi_status acpi_ev_gpe_initialize(void)
{
u32 register_count0 = 0;
u32 register_count1 = 0;
u32 gpe_number_max = 0;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_gpe_initialize);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Initialize the GPE Block(s) defined in the FADT
*
* Why the GPE register block lengths are divided by 2: From the ACPI
* Spec, section "General-Purpose Event Registers", we have:
*
* "Each register block contains two registers of equal length
* GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
* GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
* The length of the GPE1_STS and GPE1_EN registers is equal to
* half the GPE1_LEN. If a generic register block is not supported
* then its respective block pointer and block length values in the
* FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
* to be the same size."
*/
/*
* Determine the maximum GPE number for this machine.
*
* Note: both GPE0 and GPE1 are optional, and either can exist without
* the other.
*
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
if (acpi_gbl_FADT.gpe0_block_length &&
acpi_gbl_FADT.xgpe0_block.address) {
/* GPE block 0 exists (has both length and address > 0) */
register_count0 = (u16) (acpi_gbl_FADT.gpe0_block_length / 2);
gpe_number_max =
(register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
/* Install GPE Block 0 */
status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
&acpi_gbl_FADT.xgpe0_block,
register_count0, 0,
acpi_gbl_FADT.sci_interrupt,
&acpi_gbl_gpe_fadt_blocks[0]);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not create GPE Block 0"));
}
}
if (acpi_gbl_FADT.gpe1_block_length &&
acpi_gbl_FADT.xgpe1_block.address) {
/* GPE block 1 exists (has both length and address > 0) */
register_count1 = (u16) (acpi_gbl_FADT.gpe1_block_length / 2);
/* Check for GPE0/GPE1 overlap (if both banks exist) */
if ((register_count0) &&
(gpe_number_max >= acpi_gbl_FADT.gpe1_base)) {
ACPI_ERROR((AE_INFO,
"GPE0 block (GPE 0 to %d) overlaps the GPE1 block "
"(GPE %d to %d) - Ignoring GPE1",
gpe_number_max, acpi_gbl_FADT.gpe1_base,
acpi_gbl_FADT.gpe1_base +
((register_count1 *
ACPI_GPE_REGISTER_WIDTH) - 1)));
/* Ignore GPE1 block by setting the register count to zero */
register_count1 = 0;
} else {
/* Install GPE Block 1 */
status =
acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
&acpi_gbl_FADT.xgpe1_block,
register_count1,
acpi_gbl_FADT.gpe1_base,
acpi_gbl_FADT.
sci_interrupt,
&acpi_gbl_gpe_fadt_blocks
[1]);
ACPI_GPE_TYPE_RUNTIME);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not create GPE Block 1"));
"Could not enable GPE 0x%02X",
gpe_number));
continue;
}
/*
* GPE0 and GPE1 do not have to be contiguous in the GPE number
* space. However, GPE0 always starts at GPE number zero.
*/
gpe_number_max = acpi_gbl_FADT.gpe1_base +
((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
gpe_enabled_count++;
}
}
/* Exit if there are no GPE registers */
if ((register_count0 + register_count1) == 0) {
/* GPEs are not required by ACPI, this is OK */
if (gpe_enabled_count || wake_gpe_count) {
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"There are no GPE blocks defined in the FADT\n"));
status = AE_OK;
goto cleanup;
"Enabled %u Runtime GPEs, added %u Wake GPEs in this block\n",
gpe_enabled_count, wake_gpe_count));
}
/* Check for Max GPE number out-of-range */
if (gpe_number_max > ACPI_GPE_MAX) {
ACPI_ERROR((AE_INFO,
"Maximum GPE number from FADT is too large: 0x%X",
gpe_number_max));
status = AE_BAD_VALUE;
goto cleanup;
}
cleanup:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_ACPI_STATUS(AE_OK);
}

653
drivers/acpi/acpica/evgpeinit.c Normal file
View File

@ -0,0 +1,653 @@
/******************************************************************************
*
* Module Name: evgpeinit - System GPE initialization and update
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, 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 "acevents.h"
#include "acnamesp.h"
#include "acinterp.h"
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME("evgpeinit")
/*******************************************************************************
*
* FUNCTION: acpi_ev_gpe_initialize
*
* PARAMETERS: None
*
* RETURN: Status
*
* DESCRIPTION: Initialize the GPE data structures and the FADT GPE 0/1 blocks
*
******************************************************************************/
acpi_status acpi_ev_gpe_initialize(void)
{
u32 register_count0 = 0;
u32 register_count1 = 0;
u32 gpe_number_max = 0;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_gpe_initialize);
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/*
* Initialize the GPE Block(s) defined in the FADT
*
* Why the GPE register block lengths are divided by 2: From the ACPI
* Spec, section "General-Purpose Event Registers", we have:
*
* "Each register block contains two registers of equal length
* GPEx_STS and GPEx_EN (where x is 0 or 1). The length of the
* GPE0_STS and GPE0_EN registers is equal to half the GPE0_LEN
* The length of the GPE1_STS and GPE1_EN registers is equal to
* half the GPE1_LEN. If a generic register block is not supported
* then its respective block pointer and block length values in the
* FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
* to be the same size."
*/
/*
* Determine the maximum GPE number for this machine.
*
* Note: both GPE0 and GPE1 are optional, and either can exist without
* the other.
*
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
if (acpi_gbl_FADT.gpe0_block_length &&
acpi_gbl_FADT.xgpe0_block.address) {
/* GPE block 0 exists (has both length and address > 0) */
register_count0 = (u16)(acpi_gbl_FADT.gpe0_block_length / 2);
gpe_number_max =
(register_count0 * ACPI_GPE_REGISTER_WIDTH) - 1;
/* Install GPE Block 0 */
status = acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
&acpi_gbl_FADT.xgpe0_block,
register_count0, 0,
acpi_gbl_FADT.sci_interrupt,
&acpi_gbl_gpe_fadt_blocks[0]);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not create GPE Block 0"));
}
}
if (acpi_gbl_FADT.gpe1_block_length &&
acpi_gbl_FADT.xgpe1_block.address) {
/* GPE block 1 exists (has both length and address > 0) */
register_count1 = (u16)(acpi_gbl_FADT.gpe1_block_length / 2);
/* Check for GPE0/GPE1 overlap (if both banks exist) */
if ((register_count0) &&
(gpe_number_max >= acpi_gbl_FADT.gpe1_base)) {
ACPI_ERROR((AE_INFO,
"GPE0 block (GPE 0 to %u) overlaps the GPE1 block "
"(GPE %u to %u) - Ignoring GPE1",
gpe_number_max, acpi_gbl_FADT.gpe1_base,
acpi_gbl_FADT.gpe1_base +
((register_count1 *
ACPI_GPE_REGISTER_WIDTH) - 1)));
/* Ignore GPE1 block by setting the register count to zero */
register_count1 = 0;
} else {
/* Install GPE Block 1 */
status =
acpi_ev_create_gpe_block(acpi_gbl_fadt_gpe_device,
&acpi_gbl_FADT.xgpe1_block,
register_count1,
acpi_gbl_FADT.gpe1_base,
acpi_gbl_FADT.
sci_interrupt,
&acpi_gbl_gpe_fadt_blocks
[1]);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not create GPE Block 1"));
}
/*
* GPE0 and GPE1 do not have to be contiguous in the GPE number
* space. However, GPE0 always starts at GPE number zero.
*/
gpe_number_max = acpi_gbl_FADT.gpe1_base +
((register_count1 * ACPI_GPE_REGISTER_WIDTH) - 1);
}
}
/* Exit if there are no GPE registers */
if ((register_count0 + register_count1) == 0) {
/* GPEs are not required by ACPI, this is OK */
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"There are no GPE blocks defined in the FADT\n"));
status = AE_OK;
goto cleanup;
}
/* Check for Max GPE number out-of-range */
if (gpe_number_max > ACPI_GPE_MAX) {
ACPI_ERROR((AE_INFO,
"Maximum GPE number from FADT is too large: 0x%X",
gpe_number_max));
status = AE_BAD_VALUE;
goto cleanup;
}
cleanup:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_update_gpes
*
* PARAMETERS: table_owner_id - ID of the newly-loaded ACPI table
*
* RETURN: None
*
* DESCRIPTION: Check for new GPE methods (_Lxx/_Exx) made available as a
* result of a Load() or load_table() operation. If new GPE
* methods have been installed, register the new methods and
* enable and runtime GPEs that are associated with them. Also,
* run any newly loaded _PRW methods in order to discover any
* new CAN_WAKE GPEs.
*
******************************************************************************/
void acpi_ev_update_gpes(acpi_owner_id table_owner_id)
{
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_walk_info walk_info;
acpi_status status = AE_OK;
u32 new_wake_gpe_count = 0;
/* We will examine only _PRW/_Lxx/_Exx methods owned by this table */
walk_info.owner_id = table_owner_id;
walk_info.execute_by_owner_id = TRUE;
walk_info.count = 0;
if (acpi_gbl_leave_wake_gpes_disabled) {
/*
* 1) Run any newly-loaded _PRW methods to find any GPEs that
* can now be marked as CAN_WAKE GPEs. Note: We must run the
* _PRW methods before we process the _Lxx/_Exx methods because
* we will enable all runtime GPEs associated with the new
* _Lxx/_Exx methods at the time we process those methods.
*
* Unlock interpreter so that we can run the _PRW methods.
*/
walk_info.gpe_block = NULL;
walk_info.gpe_device = NULL;
acpi_ex_exit_interpreter();
status =
acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX,
ACPI_NS_WALK_NO_UNLOCK,
acpi_ev_match_prw_and_gpe, NULL,
&walk_info, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"While executing _PRW methods"));
}
acpi_ex_enter_interpreter();
new_wake_gpe_count = walk_info.count;
}
/*
* 2) Find any _Lxx/_Exx GPE methods that have just been loaded.
*
* Any GPEs that correspond to new _Lxx/_Exx methods and are not
* marked as CAN_WAKE are immediately enabled.
*
* Examine the namespace underneath each gpe_device within the
* gpe_block lists.
*/
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
return;
}
walk_info.count = 0;
walk_info.enable_this_gpe = TRUE;
/* Walk the interrupt level descriptor list */
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
/* Walk all Gpe Blocks attached to this interrupt level */
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
walk_info.gpe_block = gpe_block;
walk_info.gpe_device = gpe_block->node;
status = acpi_ns_walk_namespace(ACPI_TYPE_METHOD,
walk_info.gpe_device,
ACPI_UINT32_MAX,
ACPI_NS_WALK_NO_UNLOCK,
acpi_ev_match_gpe_method,
NULL, &walk_info, NULL);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"While decoding _Lxx/_Exx methods"));
}
gpe_block = gpe_block->next;
}
gpe_xrupt_info = gpe_xrupt_info->next;
}
if (walk_info.count || new_wake_gpe_count) {
ACPI_INFO((AE_INFO,
"Enabled %u new runtime GPEs, added %u new wakeup GPEs",
walk_info.count, new_wake_gpe_count));
}
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return;
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_match_gpe_method
*
* PARAMETERS: Callback from walk_namespace
*
* RETURN: Status
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* control method under the _GPE portion of the namespace.
* Extract the name and GPE type from the object, saving this
* information for quick lookup during GPE dispatch. Allows a
* per-owner_id evaluation if execute_by_owner_id is TRUE in the
* walk_info parameter block.
*
* The name of each GPE control method is of the form:
* "_Lxx" or "_Exx", where:
* L - means that the GPE is level triggered
* E - means that the GPE is edge triggered
* xx - is the GPE number [in HEX]
*
* If walk_info->execute_by_owner_id is TRUE, we only execute examine GPE methods
* with that owner.
* If walk_info->enable_this_gpe is TRUE, the GPE that is referred to by a GPE
* method is immediately enabled (Used for Load/load_table operators)
*
******************************************************************************/
acpi_status
acpi_ev_match_gpe_method(acpi_handle obj_handle,
u32 level, void *context, void **return_value)
{
struct acpi_namespace_node *method_node =
ACPI_CAST_PTR(struct acpi_namespace_node, obj_handle);
struct acpi_gpe_walk_info *walk_info =
ACPI_CAST_PTR(struct acpi_gpe_walk_info, context);
struct acpi_gpe_event_info *gpe_event_info;
struct acpi_namespace_node *gpe_device;
acpi_status status;
u32 gpe_number;
char name[ACPI_NAME_SIZE + 1];
u8 type;
ACPI_FUNCTION_TRACE(ev_match_gpe_method);
/* Check if requested owner_id matches this owner_id */
if ((walk_info->execute_by_owner_id) &&
(method_node->owner_id != walk_info->owner_id)) {
return_ACPI_STATUS(AE_OK);
}
/*
* Match and decode the _Lxx and _Exx GPE method names
*
* 1) Extract the method name and null terminate it
*/
ACPI_MOVE_32_TO_32(name, &method_node->name.integer);
name[ACPI_NAME_SIZE] = 0;
/* 2) Name must begin with an underscore */
if (name[0] != '_') {
return_ACPI_STATUS(AE_OK); /* Ignore this method */
}
/*
* 3) Edge/Level determination is based on the 2nd character
* of the method name
*
* NOTE: Default GPE type is RUNTIME only. Later, if a _PRW object is
* found that points to this GPE, the ACPI_GPE_CAN_WAKE flag is set.
*/
switch (name[1]) {
case 'L':
type = ACPI_GPE_LEVEL_TRIGGERED;
break;
case 'E':
type = ACPI_GPE_EDGE_TRIGGERED;
break;
default:
/* Unknown method type, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Ignoring unknown GPE method type: %s "
"(name not of form _Lxx or _Exx)", name));
return_ACPI_STATUS(AE_OK);
}
/* 4) The last two characters of the name are the hex GPE Number */
gpe_number = ACPI_STRTOUL(&name[2], NULL, 16);
if (gpe_number == ACPI_UINT32_MAX) {
/* Conversion failed; invalid method, just ignore it */
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Could not extract GPE number from name: %s "
"(name is not of form _Lxx or _Exx)", name));
return_ACPI_STATUS(AE_OK);
}
/* Ensure that we have a valid GPE number for this GPE block */
gpe_event_info =
acpi_ev_low_get_gpe_info(gpe_number, walk_info->gpe_block);
if (!gpe_event_info) {
/*
* This gpe_number is not valid for this GPE block, just ignore it.
* However, it may be valid for a different GPE block, since GPE0
* and GPE1 methods both appear under \_GPE.
*/
return_ACPI_STATUS(AE_OK);
}
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
/* If there is already a handler, ignore this GPE method */
return_ACPI_STATUS(AE_OK);
}
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD) {
/*
* If there is already a method, ignore this method. But check
* for a type mismatch (if both the _Lxx AND _Exx exist)
*/
if (type != (gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK)) {
ACPI_ERROR((AE_INFO,
"For GPE 0x%.2X, found both _L%2.2X and _E%2.2X methods",
gpe_number, gpe_number, gpe_number));
}
return_ACPI_STATUS(AE_OK);
}
/*
* Add the GPE information from above to the gpe_event_info block for
* use during dispatch of this GPE.
*/
gpe_event_info->flags |= (u8)(type | ACPI_GPE_DISPATCH_METHOD);
gpe_event_info->dispatch.method_node = method_node;
/*
* Enable this GPE if requested. This only happens when during the
* execution of a Load or load_table operator. We have found a new
* GPE method and want to immediately enable the GPE if it is a
* runtime GPE.
*/
if (walk_info->enable_this_gpe) {
/* Ignore GPEs that can wake the system */
if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE) ||
!acpi_gbl_leave_wake_gpes_disabled) {
walk_info->count++;
gpe_device = walk_info->gpe_device;
if (gpe_device == acpi_gbl_fadt_gpe_device) {
gpe_device = NULL;
}
status = acpi_enable_gpe(gpe_device, gpe_number,
ACPI_GPE_TYPE_RUNTIME);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not enable GPE 0x%02X",
gpe_number));
}
}
}
ACPI_DEBUG_PRINT((ACPI_DB_LOAD,
"Registered GPE method %s as GPE number 0x%.2X\n",
name, gpe_number));
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_match_prw_and_gpe
*
* PARAMETERS: Callback from walk_namespace
*
* RETURN: Status. NOTE: We ignore errors so that the _PRW walk is
* not aborted on a single _PRW failure.
*
* DESCRIPTION: Called from acpi_walk_namespace. Expects each object to be a
* Device. Run the _PRW method. If present, extract the GPE
* number and mark the GPE as a CAN_WAKE GPE. Allows a
* per-owner_id execution if execute_by_owner_id is TRUE in the
* walk_info parameter block.
*
* If walk_info->execute_by_owner_id is TRUE, we only execute _PRWs with that
* owner.
* If walk_info->gpe_device is NULL, we execute every _PRW found. Otherwise,
* we only execute _PRWs that refer to the input gpe_device.
*
******************************************************************************/
acpi_status
acpi_ev_match_prw_and_gpe(acpi_handle obj_handle,
u32 level, void *context, void **return_value)
{
struct acpi_gpe_walk_info *walk_info =
ACPI_CAST_PTR(struct acpi_gpe_walk_info, context);
struct acpi_namespace_node *gpe_device;
struct acpi_gpe_block_info *gpe_block;
struct acpi_namespace_node *target_gpe_device;
struct acpi_namespace_node *prw_node;
struct acpi_gpe_event_info *gpe_event_info;
union acpi_operand_object *pkg_desc;
union acpi_operand_object *obj_desc;
u32 gpe_number;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_match_prw_and_gpe);
/* Check for a _PRW method under this device */
status = acpi_ns_get_node(obj_handle, METHOD_NAME__PRW,
ACPI_NS_NO_UPSEARCH, &prw_node);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(AE_OK);
}
/* Check if requested owner_id matches this owner_id */
if ((walk_info->execute_by_owner_id) &&
(prw_node->owner_id != walk_info->owner_id)) {
return_ACPI_STATUS(AE_OK);
}
/* Execute the _PRW */
status = acpi_ut_evaluate_object(prw_node, NULL,
ACPI_BTYPE_PACKAGE, &pkg_desc);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(AE_OK);
}
/* The returned _PRW package must have at least two elements */
if (pkg_desc->package.count < 2) {
goto cleanup;
}
/* Extract pointers from the input context */
gpe_device = walk_info->gpe_device;
gpe_block = walk_info->gpe_block;
/*
* The _PRW object must return a package, we are only interested
* in the first element
*/
obj_desc = pkg_desc->package.elements[0];
if (obj_desc->common.type == ACPI_TYPE_INTEGER) {
/* Use FADT-defined GPE device (from definition of _PRW) */
target_gpe_device = NULL;
if (gpe_device) {
target_gpe_device = acpi_gbl_fadt_gpe_device;
}
/* Integer is the GPE number in the FADT described GPE blocks */
gpe_number = (u32)obj_desc->integer.value;
} else if (obj_desc->common.type == ACPI_TYPE_PACKAGE) {
/* Package contains a GPE reference and GPE number within a GPE block */
if ((obj_desc->package.count < 2) ||
((obj_desc->package.elements[0])->common.type !=
ACPI_TYPE_LOCAL_REFERENCE) ||
((obj_desc->package.elements[1])->common.type !=
ACPI_TYPE_INTEGER)) {
goto cleanup;
}
/* Get GPE block reference and decode */
target_gpe_device =
obj_desc->package.elements[0]->reference.node;
gpe_number = (u32)obj_desc->package.elements[1]->integer.value;
} else {
/* Unknown type, just ignore it */
goto cleanup;
}
/* Get the gpe_event_info for this GPE */
if (gpe_device) {
/*
* Is this GPE within this block?
*
* TRUE if and only if these conditions are true:
* 1) The GPE devices match.
* 2) The GPE index(number) is within the range of the Gpe Block
* associated with the GPE device.
*/
if (gpe_device != target_gpe_device) {
goto cleanup;
}
gpe_event_info =
acpi_ev_low_get_gpe_info(gpe_number, gpe_block);
} else {
/* gpe_device is NULL, just match the target_device and gpe_number */
gpe_event_info =
acpi_ev_get_gpe_event_info(target_gpe_device, gpe_number);
}
if (gpe_event_info) {
if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
/* This GPE can wake the system */
gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
walk_info->count++;
}
}
cleanup:
acpi_ut_remove_reference(pkg_desc);
return_ACPI_STATUS(AE_OK);
}

337
drivers/acpi/acpica/evgpeutil.c Normal file
View File

@ -0,0 +1,337 @@
/******************************************************************************
*
* Module Name: evgpeutil - GPE utilities
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, 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 "acevents.h"
#define _COMPONENT ACPI_EVENTS
ACPI_MODULE_NAME("evgpeutil")
/*******************************************************************************
*
* FUNCTION: acpi_ev_walk_gpe_list
*
* PARAMETERS: gpe_walk_callback - Routine called for each GPE block
* Context - Value passed to callback
*
* RETURN: Status
*
* DESCRIPTION: Walk the GPE lists.
*
******************************************************************************/
acpi_status
acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback, void *context)
{
struct acpi_gpe_block_info *gpe_block;
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
acpi_status status = AE_OK;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(ev_walk_gpe_list);
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Walk the interrupt level descriptor list */
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
/* Walk all Gpe Blocks attached to this interrupt level */
gpe_block = gpe_xrupt_info->gpe_block_list_head;
while (gpe_block) {
/* One callback per GPE block */
status =
gpe_walk_callback(gpe_xrupt_info, gpe_block,
context);
if (ACPI_FAILURE(status)) {
if (status == AE_CTRL_END) { /* Callback abort */
status = AE_OK;
}
goto unlock_and_exit;
}
gpe_block = gpe_block->next;
}
gpe_xrupt_info = gpe_xrupt_info->next;
}
unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_valid_gpe_event
*
* PARAMETERS: gpe_event_info - Info for this GPE
*
* RETURN: TRUE if the gpe_event is valid
*
* DESCRIPTION: Validate a GPE event. DO NOT CALL FROM INTERRUPT LEVEL.
* Should be called only when the GPE lists are semaphore locked
* and not subject to change.
*
******************************************************************************/
u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_xrupt_info *gpe_xrupt_block;
struct acpi_gpe_block_info *gpe_block;
ACPI_FUNCTION_ENTRY();
/* No need for spin lock since we are not changing any list elements */
/* Walk the GPE interrupt levels */
gpe_xrupt_block = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_block) {
gpe_block = gpe_xrupt_block->gpe_block_list_head;
/* Walk the GPE blocks on this interrupt level */
while (gpe_block) {
if ((&gpe_block->event_info[0] <= gpe_event_info) &&
(&gpe_block->event_info[gpe_block->gpe_count] >
gpe_event_info)) {
return (TRUE);
}
gpe_block = gpe_block->next;
}
gpe_xrupt_block = gpe_xrupt_block->next;
}
return (FALSE);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_get_gpe_xrupt_block
*
* PARAMETERS: interrupt_number - Interrupt for a GPE block
*
* RETURN: A GPE interrupt block
*
* DESCRIPTION: Get or Create a GPE interrupt block. There is one interrupt
* block per unique interrupt level used for GPEs. Should be
* called only when the GPE lists are semaphore locked and not
* subject to change.
*
******************************************************************************/
struct acpi_gpe_xrupt_info *acpi_ev_get_gpe_xrupt_block(u32 interrupt_number)
{
struct acpi_gpe_xrupt_info *next_gpe_xrupt;
struct acpi_gpe_xrupt_info *gpe_xrupt;
acpi_status status;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(ev_get_gpe_xrupt_block);
/* No need for lock since we are not changing any list elements here */
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt) {
if (next_gpe_xrupt->interrupt_number == interrupt_number) {
return_PTR(next_gpe_xrupt);
}
next_gpe_xrupt = next_gpe_xrupt->next;
}
/* Not found, must allocate a new xrupt descriptor */
gpe_xrupt = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_xrupt_info));
if (!gpe_xrupt) {
return_PTR(NULL);
}
gpe_xrupt->interrupt_number = interrupt_number;
/* Install new interrupt descriptor with spin lock */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (acpi_gbl_gpe_xrupt_list_head) {
next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
while (next_gpe_xrupt->next) {
next_gpe_xrupt = next_gpe_xrupt->next;
}
next_gpe_xrupt->next = gpe_xrupt;
gpe_xrupt->previous = next_gpe_xrupt;
} else {
acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* Install new interrupt handler if not SCI_INT */
if (interrupt_number != acpi_gbl_FADT.sci_interrupt) {
status = acpi_os_install_interrupt_handler(interrupt_number,
acpi_ev_gpe_xrupt_handler,
gpe_xrupt);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not install GPE interrupt handler at level 0x%X",
interrupt_number));
return_PTR(NULL);
}
}
return_PTR(gpe_xrupt);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_xrupt
*
* PARAMETERS: gpe_xrupt - A GPE interrupt info block
*
* RETURN: Status
*
* DESCRIPTION: Remove and free a gpe_xrupt block. Remove an associated
* interrupt handler if not the SCI interrupt.
*
******************************************************************************/
acpi_status acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
{
acpi_status status;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(ev_delete_gpe_xrupt);
/* We never want to remove the SCI interrupt handler */
if (gpe_xrupt->interrupt_number == acpi_gbl_FADT.sci_interrupt) {
gpe_xrupt->gpe_block_list_head = NULL;
return_ACPI_STATUS(AE_OK);
}
/* Disable this interrupt */
status =
acpi_os_remove_interrupt_handler(gpe_xrupt->interrupt_number,
acpi_ev_gpe_xrupt_handler);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Unlink the interrupt block with lock */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
if (gpe_xrupt->previous) {
gpe_xrupt->previous->next = gpe_xrupt->next;
} else {
/* No previous, update list head */
acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next;
}
if (gpe_xrupt->next) {
gpe_xrupt->next->previous = gpe_xrupt->previous;
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* Free the block */
ACPI_FREE(gpe_xrupt);
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_delete_gpe_handlers
*
* PARAMETERS: gpe_xrupt_info - GPE Interrupt info
* gpe_block - Gpe Block info
*
* RETURN: Status
*
* DESCRIPTION: Delete all Handler objects found in the GPE data structs.
* Used only prior to termination.
*
******************************************************************************/
acpi_status
acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
void *context)
{
struct acpi_gpe_event_info *gpe_event_info;
u32 i;
u32 j;
ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
/* Examine each GPE Register within the block */
for (i = 0; i < gpe_block->register_count; i++) {
/* Now look at the individual GPEs in this byte register */
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
gpe_event_info = &gpe_block->event_info[((acpi_size) i *
ACPI_GPE_REGISTER_WIDTH)
+ j];
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
ACPI_FREE(gpe_event_info->dispatch.handler);
gpe_event_info->dispatch.handler = NULL;
gpe_event_info->flags &=
~ACPI_GPE_DISPATCH_MASK;
}
}
}
return_ACPI_STATUS(AE_OK);
}

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

@ -590,7 +590,7 @@ void acpi_ev_terminate(void)
status = acpi_disable_event(i, 0);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not disable fixed event %d",
"Could not disable fixed event %u",
(u32) i));
}
}

24
drivers/acpi/acpica/evxface.c
View File

@ -142,7 +142,7 @@ acpi_install_fixed_event_handler(u32 event,
if (ACPI_SUCCESS(status))
status = acpi_enable_event(event, 0);
if (ACPI_FAILURE(status)) {
ACPI_WARNING((AE_INFO, "Could not enable fixed event %X",
ACPI_WARNING((AE_INFO, "Could not enable fixed event 0x%X",
event));
/* Remove the handler */
@ -203,7 +203,7 @@ acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler)
if (ACPI_FAILURE(status)) {
ACPI_WARNING((AE_INFO,
"Could not write to fixed event enable register %X",
"Could not write to fixed event enable register 0x%X",
event));
} else {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Disabled fixed event %X\n",
@ -682,14 +682,13 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
/* Parameter validation */
if ((!address) || (type > ACPI_GPE_XRUPT_TYPE_MASK)) {
status = AE_BAD_PARAMETER;
goto exit;
if ((!address) || (type & ~ACPI_GPE_XRUPT_TYPE_MASK)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
goto exit;
return_ACPI_STATUS(status);
}
/* Ensure that we have a valid GPE number */
@ -720,6 +719,13 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
handler->context = context;
handler->method_node = gpe_event_info->dispatch.method_node;
/* Disable the GPE before installing the handler */
status = acpi_ev_disable_gpe(gpe_event_info);
if (ACPI_FAILURE (status)) {
goto unlock_and_exit;
}
/* Install the handler */
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
@ -733,12 +739,8 @@ acpi_install_gpe_handler(acpi_handle gpe_device,
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
unlock_and_exit:
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
exit:
if (ACPI_FAILURE(status))
ACPI_EXCEPTION((AE_INFO, status,
"Installing notify handler failed"));
return_ACPI_STATUS(status);
}

191
drivers/acpi/acpica/evxfevnt.c
View File

@ -203,21 +203,26 @@ ACPI_EXPORT_SYMBOL(acpi_enable_event)
*
* FUNCTION: acpi_set_gpe
*
* PARAMETERS: gpe_device - Parent GPE Device
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* action - Enable or disable
* Called from ISR or not
* action - ACPI_GPE_ENABLE or ACPI_GPE_DISABLE
*
* RETURN: Status
*
* DESCRIPTION: Enable or disable an ACPI event (general purpose)
* DESCRIPTION: Enable or disable an individual GPE. This function bypasses
* the reference count mechanism used in the acpi_enable_gpe and
* acpi_disable_gpe interfaces -- and should be used with care.
*
* Note: Typically used to disable a runtime GPE for short period of time,
* then re-enable it, without disturbing the existing reference counts. This
* is useful, for example, in the Embedded Controller (EC) driver.
*
******************************************************************************/
acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
{
acpi_status status = AE_OK;
acpi_cpu_flags flags;
struct acpi_gpe_event_info *gpe_event_info;
acpi_status status;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_set_gpe);
@ -243,7 +248,6 @@ acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
break;
default:
ACPI_ERROR((AE_INFO, "Invalid action\n"));
status = AE_BAD_PARAMETER;
break;
}
@ -259,25 +263,31 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe)
*
* FUNCTION: acpi_enable_gpe
*
* PARAMETERS: gpe_device - Parent GPE Device
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* type - Purpose the GPE will be used for
* gpe_type - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
* or both
*
* RETURN: Status
*
* DESCRIPTION: Take a reference to a GPE and enable it if necessary
* DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is
* hardware-enabled (for runtime GPEs), or the GPE register mask
* is updated (for wake GPEs).
*
******************************************************************************/
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 type)
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
{
acpi_status status = AE_OK;
acpi_cpu_flags flags;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_enable_gpe);
if (type & ~ACPI_GPE_TYPE_WAKE_RUN)
/* Parameter validation */
if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
@ -289,26 +299,43 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 type)
goto unlock_and_exit;
}
if (type & ACPI_GPE_TYPE_RUNTIME) {
if (++gpe_event_info->runtime_count == 1) {
if (gpe_type & ACPI_GPE_TYPE_RUNTIME) {
if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
status = AE_LIMIT; /* Too many references */
goto unlock_and_exit;
}
gpe_event_info->runtime_count++;
if (gpe_event_info->runtime_count == 1) {
status = acpi_ev_enable_gpe(gpe_event_info);
if (ACPI_FAILURE(status))
if (ACPI_FAILURE(status)) {
gpe_event_info->runtime_count--;
goto unlock_and_exit;
}
}
}
if (type & ACPI_GPE_TYPE_WAKE) {
if (gpe_type & ACPI_GPE_TYPE_WAKE) {
/* The GPE must have the ability to wake the system */
if (!(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
status = AE_BAD_PARAMETER;
status = AE_TYPE;
goto unlock_and_exit;
}
if (gpe_event_info->wakeup_count == ACPI_UINT8_MAX) {
status = AE_LIMIT; /* Too many references */
goto unlock_and_exit;
}
/*
* Wake-up GPEs are only enabled right prior to putting the
* system into a sleep state.
* Update the enable mask on the first wakeup reference. Wake GPEs
* are only hardware-enabled just before sleeping.
*/
if (++gpe_event_info->wakeup_count == 1)
acpi_ev_update_gpe_enable_masks(gpe_event_info);
gpe_event_info->wakeup_count++;
if (gpe_event_info->wakeup_count == 1) {
(void)acpi_ev_update_gpe_enable_masks(gpe_event_info);
}
}
unlock_and_exit:
@ -321,27 +348,34 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
*
* FUNCTION: acpi_disable_gpe
*
* PARAMETERS: gpe_device - Parent GPE Device
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* type - Purpose the GPE won't be used for any more
* gpe_type - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
* or both
*
* RETURN: Status
*
* DESCRIPTION: Release a reference to a GPE and disable it if necessary
* DESCRIPTION: Remove a reference to a GPE. When the last reference is
* removed, only then is the GPE disabled (for runtime GPEs), or
* the GPE mask bit disabled (for wake GPEs)
*
******************************************************************************/
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 type)
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
{
acpi_status status = AE_OK;
acpi_cpu_flags flags;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_disable_gpe);
if (type & ~ACPI_GPE_TYPE_WAKE_RUN)
/* Parameter validation */
if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Ensure that we have a valid GPE number */
gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number);
@ -350,18 +384,39 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 type)
goto unlock_and_exit;
}
if ((type & ACPI_GPE_TYPE_RUNTIME) && gpe_event_info->runtime_count) {
if (--gpe_event_info->runtime_count == 0)
/* Hardware-disable a runtime GPE on removal of the last reference */
if (gpe_type & ACPI_GPE_TYPE_RUNTIME) {
if (!gpe_event_info->runtime_count) {
status = AE_LIMIT; /* There are no references to remove */
goto unlock_and_exit;
}
gpe_event_info->runtime_count--;
if (!gpe_event_info->runtime_count) {
status = acpi_ev_disable_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
gpe_event_info->runtime_count++;
goto unlock_and_exit;
}
}
}
if ((type & ACPI_GPE_TYPE_WAKE) && gpe_event_info->wakeup_count) {
/*
* Wake-up GPEs are not enabled after leaving system sleep
* states, so we don't need to disable them here.
*/
if (--gpe_event_info->wakeup_count == 0)
acpi_ev_update_gpe_enable_masks(gpe_event_info);
/*
* Update masks for wake GPE on removal of the last reference.
* No need to hardware-disable wake GPEs here, they are not currently
* enabled.
*/
if (gpe_type & ACPI_GPE_TYPE_WAKE) {
if (!gpe_event_info->wakeup_count) {
status = AE_LIMIT; /* There are no references to remove */
goto unlock_and_exit;
}
gpe_event_info->wakeup_count--;
if (!gpe_event_info->wakeup_count) {
(void)acpi_ev_update_gpe_enable_masks(gpe_event_info);
}
}
unlock_and_exit:
@ -465,30 +520,23 @@ ACPI_EXPORT_SYMBOL(acpi_clear_event)
*
* FUNCTION: acpi_clear_gpe
*
* PARAMETERS: gpe_device - Parent GPE Device
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* Flags - Called from an ISR or not
*
* RETURN: Status
*
* DESCRIPTION: Clear an ACPI event (general purpose)
*
******************************************************************************/
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_clear_gpe);
/* Use semaphore lock if not executing at interrupt level */
if (flags & ACPI_NOT_ISR) {
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Ensure that we have a valid GPE number */
@ -501,9 +549,7 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
status = acpi_hw_clear_gpe(gpe_event_info);
unlock_and_exit:
if (flags & ACPI_NOT_ISR) {
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
@ -569,9 +615,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_event_status)
*
* FUNCTION: acpi_get_gpe_status
*
* PARAMETERS: gpe_device - Parent GPE Device
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* Flags - Called from an ISR or not
* event_status - Where the current status of the event will
* be returned
*
@ -582,21 +627,15 @@ ACPI_EXPORT_SYMBOL(acpi_get_event_status)
******************************************************************************/
acpi_status
acpi_get_gpe_status(acpi_handle gpe_device,
u32 gpe_number, u32 flags, acpi_event_status * event_status)
u32 gpe_number, acpi_event_status *event_status)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_get_gpe_status);
/* Use semaphore lock if not executing at interrupt level */
if (flags & ACPI_NOT_ISR) {
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
/* Ensure that we have a valid GPE number */
@ -614,9 +653,7 @@ acpi_get_gpe_status(acpi_handle gpe_device,
*event_status |= ACPI_EVENT_FLAG_HANDLE;
unlock_and_exit:
if (flags & ACPI_NOT_ISR) {
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
@ -673,20 +710,15 @@ acpi_install_gpe_block(acpi_handle gpe_device,
goto unlock_and_exit;
}
/* Run the _PRW methods and enable the GPEs */
status = acpi_ev_initialize_gpe_block(node, gpe_block);
if (ACPI_FAILURE(status)) {
goto unlock_and_exit;
}
/* Get the device_object attached to the node */
/* Install block in the device_object attached to the node */
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
/* No object, create a new one */
/*
* No object, create a new one (Device nodes do not always have
* an attached object)
*/
obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE);
if (!obj_desc) {
status = AE_NO_MEMORY;
@ -705,10 +737,14 @@ acpi_install_gpe_block(acpi_handle gpe_device,
}
}
/* Install the GPE block in the device_object */
/* Now install the GPE block in the device_object */
obj_desc->device.gpe_block = gpe_block;
/* Run the _PRW methods and enable the runtime GPEs in the new block */
status = acpi_ev_initialize_gpe_block(node, gpe_block);
unlock_and_exit:
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_ACPI_STATUS(status);
@ -839,8 +875,7 @@ acpi_ev_get_gpe_device(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
/* Increment Index by the number of GPEs in this block */
info->next_block_base_index +=
(gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH);
info->next_block_base_index += gpe_block->gpe_count;
if (info->index < info->next_block_base_index) {
/*

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

@ -82,8 +82,9 @@ acpi_ex_add_table(u32 table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle)
{
acpi_status status;
union acpi_operand_object *obj_desc;
acpi_status status;
acpi_owner_id owner_id;
ACPI_FUNCTION_TRACE(ex_add_table);
@ -119,7 +120,14 @@ acpi_ex_add_table(u32 table_index,
acpi_ns_exec_module_code_list();
acpi_ex_enter_interpreter();
return_ACPI_STATUS(status);
/* Update GPEs for any new _PRW or _Lxx/_Exx methods. Ignore errors */
status = acpi_tb_get_owner_id(table_index, &owner_id);
if (ACPI_SUCCESS(status)) {
acpi_ev_update_gpes(owner_id);
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
@ -248,10 +256,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
status = acpi_get_table_by_index(table_index, &table);
if (ACPI_SUCCESS(status)) {
ACPI_INFO((AE_INFO,
"Dynamic OEM Table Load - [%.4s] OemId [%.6s] OemTableId [%.8s]",
table->signature, table->oem_id,
table->oem_table_id));
ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
acpi_tb_print_table_header(0, table);
}
/* Invoke table handler if present */
@ -525,6 +531,9 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(status);
}
ACPI_INFO((AE_INFO, "Dynamic OEM Table Load:"));
acpi_tb_print_table_header(0, table_desc.pointer);
/* Remove the reference by added by acpi_ex_store above */
acpi_ut_remove_reference(ddb_handle);

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

@ -650,7 +650,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
default:
ACPI_ERROR((AE_INFO,
"Bad destination type during conversion: %X",
"Bad destination type during conversion: 0x%X",
destination_type));
status = AE_AML_INTERNAL;
break;
@ -665,7 +665,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type,
default:
ACPI_ERROR((AE_INFO,
"Unknown Target type ID 0x%X AmlOpcode %X DestType %s",
"Unknown Target type ID 0x%X AmlOpcode 0x%X DestType %s",
GET_CURRENT_ARG_TYPE(walk_state->op_info->
runtime_args),
walk_state->opcode,

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

@ -306,12 +306,12 @@ acpi_ex_create_region(u8 * aml_start,
*/
if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) &&
(region_space < ACPI_USER_REGION_BEGIN)) {
ACPI_ERROR((AE_INFO, "Invalid AddressSpace type %X",
ACPI_ERROR((AE_INFO, "Invalid AddressSpace type 0x%X",
region_space));
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n",
acpi_ut_get_region_name(region_space), region_space));
/* Create the region descriptor */

261
drivers/acpi/acpica/exdebug.c Normal file
View File

@ -0,0 +1,261 @@
/******************************************************************************
*
* Module Name: exdebug - Support for stores to the AML Debug Object
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, 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 "acinterp.h"
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("exdebug")
#ifndef ACPI_NO_ERROR_MESSAGES
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_debug_object
*
* PARAMETERS: source_desc - Object to be output to "Debug Object"
* Level - Indentation level (used for packages)
* Index - Current package element, zero if not pkg
*
* RETURN: None
*
* DESCRIPTION: Handles stores to the AML Debug Object. For example:
* Store(INT1, Debug)
*
* This function is not compiled if ACPI_NO_ERROR_MESSAGES is set.
*
* This function is only enabled if acpi_gbl_enable_aml_debug_object is set, or
* if ACPI_LV_DEBUG_OBJECT is set in the acpi_dbg_level. Thus, in the normal
* operational case, stores to the debug object are ignored but can be easily
* enabled if necessary.
*
******************************************************************************/
void
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index)
{
u32 i;
ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
/* Output must be enabled via the debug_object global or the dbg_level */
if (!acpi_gbl_enable_aml_debug_object &&
!(acpi_dbg_level & ACPI_LV_DEBUG_OBJECT)) {
return_VOID;
}
/*
* Print line header as long as we are not in the middle of an
* object display
*/
if (!((level > 0) && index == 0)) {
acpi_os_printf("[ACPI Debug] %*s", level, " ");
}
/* Display the index for package output only */
if (index > 0) {
acpi_os_printf("(%.2u) ", index - 1);
}
if (!source_desc) {
acpi_os_printf("[Null Object]\n");
return_VOID;
}
if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
acpi_os_printf("%s ",
acpi_ut_get_object_type_name(source_desc));
if (!acpi_ut_valid_internal_object(source_desc)) {
acpi_os_printf("%p, Invalid Internal Object!\n",
source_desc);
return_VOID;
}
} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
ACPI_DESC_TYPE_NAMED) {
acpi_os_printf("%s: %p\n",
acpi_ut_get_type_name(((struct
acpi_namespace_node *)
source_desc)->type),
source_desc);
return_VOID;
} else {
return_VOID;
}
/* source_desc is of type ACPI_DESC_TYPE_OPERAND */
switch (source_desc->common.type) {
case ACPI_TYPE_INTEGER:
/* Output correct integer width */
if (acpi_gbl_integer_byte_width == 4) {
acpi_os_printf("0x%8.8X\n",
(u32)source_desc->integer.value);
} else {
acpi_os_printf("0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64(source_desc->integer.
value));
}
break;
case ACPI_TYPE_BUFFER:
acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length);
acpi_ut_dump_buffer2(source_desc->buffer.pointer,
(source_desc->buffer.length < 256) ?
source_desc->buffer.length : 256,
DB_BYTE_DISPLAY);
break;
case ACPI_TYPE_STRING:
acpi_os_printf("[0x%.2X] \"%s\"\n",
source_desc->string.length,
source_desc->string.pointer);
break;
case ACPI_TYPE_PACKAGE:
acpi_os_printf("[Contains 0x%.2X Elements]\n",
source_desc->package.count);
/* Output the entire contents of the package */
for (i = 0; i < source_desc->package.count; i++) {
acpi_ex_do_debug_object(source_desc->package.
elements[i], level + 4, i + 1);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
acpi_os_printf("[%s] ",
acpi_ut_get_reference_name(source_desc));
/* Decode the reference */
switch (source_desc->reference.class) {
case ACPI_REFCLASS_INDEX:
acpi_os_printf("0x%X\n", source_desc->reference.value);
break;
case ACPI_REFCLASS_TABLE:
/* Case for ddb_handle */
acpi_os_printf("Table Index 0x%X\n",
source_desc->reference.value);
return;
default:
break;
}
acpi_os_printf(" ");
/* Check for valid node first, then valid object */
if (source_desc->reference.node) {
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.node) !=
ACPI_DESC_TYPE_NAMED) {
acpi_os_printf
(" %p - Not a valid namespace node\n",
source_desc->reference.node);
} else {
acpi_os_printf("Node %p [%4.4s] ",
source_desc->reference.node,
(source_desc->reference.node)->
name.ascii);
switch ((source_desc->reference.node)->type) {
/* These types have no attached object */
case ACPI_TYPE_DEVICE:
acpi_os_printf("Device\n");
break;
case ACPI_TYPE_THERMAL:
acpi_os_printf("Thermal Zone\n");
break;
default:
acpi_ex_do_debug_object((source_desc->
reference.
node)->object,
level + 4, 0);
break;
}
}
} else if (source_desc->reference.object) {
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.object) ==
ACPI_DESC_TYPE_NAMED) {
acpi_ex_do_debug_object(((struct
acpi_namespace_node *)
source_desc->reference.
object)->object,
level + 4, 0);
} else {
acpi_ex_do_debug_object(source_desc->reference.
object, level + 4, 0);
}
}
break;
default:
acpi_os_printf("%p\n", source_desc);
break;
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
return_VOID;
}
#endif

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

@ -281,7 +281,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
if (source_desc->buffer.length < length) {
ACPI_ERROR((AE_INFO,
"SMBus or IPMI write requires Buffer of length %X, found length %X",
"SMBus or IPMI write requires Buffer of length %u, found length %u",
length, source_desc->buffer.length));
return_ACPI_STATUS(AE_AML_BUFFER_LIMIT);

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

@ -94,7 +94,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
/* We must have a valid region */
if (rgn_desc->common.type != ACPI_TYPE_REGION) {
ACPI_ERROR((AE_INFO, "Needed Region, found type %X (%s)",
ACPI_ERROR((AE_INFO, "Needed Region, found type 0x%X (%s)",
rgn_desc->common.type,
acpi_ut_get_object_type_name(rgn_desc)));
@ -175,7 +175,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
* byte, and a field with Dword access specified.
*/
ACPI_ERROR((AE_INFO,
"Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)",
"Field [%4.4s] access width (%u bytes) too large for region [%4.4s] (length %u)",
acpi_ut_get_node_name(obj_desc->
common_field.node),
obj_desc->common_field.access_byte_width,
@ -189,7 +189,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
* exceeds region length, indicate an error
*/
ACPI_ERROR((AE_INFO,
"Field [%4.4s] Base+Offset+Width %X+%X+%X is beyond end of region [%4.4s] (length %X)",
"Field [%4.4s] Base+Offset+Width %u+%u+%u is beyond end of region [%4.4s] (length %u)",
acpi_ut_get_node_name(obj_desc->common_field.node),
obj_desc->common_field.base_byte_offset,
field_datum_byte_offset,
@ -281,13 +281,13 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc,
if (ACPI_FAILURE(status)) {
if (status == AE_NOT_IMPLEMENTED) {
ACPI_ERROR((AE_INFO,
"Region %s(%X) not implemented",
"Region %s(0x%X) not implemented",
acpi_ut_get_region_name(rgn_desc->region.
space_id),
rgn_desc->region.space_id));
} else if (status == AE_NOT_EXIST) {
ACPI_ERROR((AE_INFO,
"Region %s(%X) has no handler",
"Region %s(0x%X) has no handler",
acpi_ut_get_region_name(rgn_desc->region.
space_id),
rgn_desc->region.space_id));
@ -525,7 +525,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc,
default:
ACPI_ERROR((AE_INFO, "Wrong object type in field I/O %X",
ACPI_ERROR((AE_INFO, "Wrong object type in field I/O %u",
obj_desc->common.type));
status = AE_AML_INTERNAL;
break;
@ -630,7 +630,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc,
default:
ACPI_ERROR((AE_INFO,
"Unknown UpdateRule value: %X",
"Unknown UpdateRule value: 0x%X",
(obj_desc->common_field.
field_flags &
AML_FIELD_UPDATE_RULE_MASK)));
@ -689,7 +689,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
if (buffer_length <
ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length)) {
ACPI_ERROR((AE_INFO,
"Field size %X (bits) is too large for buffer (%X)",
"Field size %u (bits) is too large for buffer (%u)",
obj_desc->common_field.bit_length, buffer_length));
return_ACPI_STATUS(AE_BUFFER_OVERFLOW);

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

@ -99,7 +99,7 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
default:
ACPI_ERROR((AE_INFO, "Unknown Reference Class %2.2X",
ACPI_ERROR((AE_INFO, "Unknown Reference Class 0x%2.2X",
obj_desc->reference.class));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
@ -115,7 +115,7 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
default:
ACPI_ERROR((AE_INFO, "Invalid descriptor type %X",
ACPI_ERROR((AE_INFO, "Invalid descriptor type 0x%X",
ACPI_GET_DESCRIPTOR_TYPE(obj_desc)));
return_ACPI_STATUS(AE_TYPE);
}
@ -276,7 +276,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
break;
default:
ACPI_ERROR((AE_INFO, "Invalid object type: %X",
ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
operand0->common.type));
status = AE_AML_INTERNAL;
}
@ -378,7 +378,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Invalid object type, should not happen here */
ACPI_ERROR((AE_INFO, "Invalid object type: %X",
ACPI_ERROR((AE_INFO, "Invalid object type: 0x%X",
operand0->common.type));
status = AE_AML_INTERNAL;
goto cleanup;

46
drivers/acpi/acpica/exmutex.c
View File

@ -85,10 +85,10 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
(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.
* 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;
@ -101,8 +101,8 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc)
*
* FUNCTION: acpi_ex_link_mutex
*
* PARAMETERS: obj_desc - The mutex to be linked
* Thread - Current executing thread object
* PARAMETERS: obj_desc - The mutex to be linked
* Thread - Current executing thread object
*
* RETURN: None
*
@ -138,9 +138,9 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc,
*
* FUNCTION: acpi_ex_acquire_mutex_object
*
* PARAMETERS: time_desc - Timeout in milliseconds
* PARAMETERS: Timeout - Timeout in milliseconds
* obj_desc - Mutex object
* Thread - Current thread state
* thread_id - Current thread state
*
* RETURN: Status
*
@ -234,7 +234,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Must have a valid thread ID */
/* Must have a valid thread state struct */
if (!walk_state->thread) {
ACPI_ERROR((AE_INFO,
@ -249,7 +249,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc,
*/
if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
ACPI_ERROR((AE_INFO,
"Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%d)",
"Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%u)",
acpi_ut_get_node_name(obj_desc->mutex.node),
walk_state->thread->current_sync_level));
return_ACPI_STATUS(AE_AML_MUTEX_ORDER);
@ -359,6 +359,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
{
acpi_status status = AE_OK;
u8 previous_sync_level;
struct acpi_thread_state *owner_thread;
ACPI_FUNCTION_TRACE(ex_release_mutex);
@ -366,9 +367,11 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
owner_thread = obj_desc->mutex.owner_thread;
/* The mutex must have been previously acquired in order to release it */
if (!obj_desc->mutex.owner_thread) {
if (!owner_thread) {
ACPI_ERROR((AE_INFO,
"Cannot release Mutex [%4.4s], not acquired",
acpi_ut_get_node_name(obj_desc->mutex.node)));
@ -387,16 +390,13 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
* The Mutex is owned, but this thread must be the owner.
* Special case for Global Lock, any thread can release
*/
if ((obj_desc->mutex.owner_thread->thread_id !=
walk_state->thread->thread_id)
&& (obj_desc != acpi_gbl_global_lock_mutex)) {
if ((owner_thread->thread_id != walk_state->thread->thread_id) &&
(obj_desc != acpi_gbl_global_lock_mutex)) {
ACPI_ERROR((AE_INFO,
"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),
ACPI_CAST_PTR(void,
obj_desc->mutex.owner_thread->
thread_id)));
ACPI_CAST_PTR(void, owner_thread->thread_id)));
return_ACPI_STATUS(AE_AML_NOT_OWNER);
}
@ -407,10 +407,9 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
* 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 != owner_thread->current_sync_level) {
ACPI_ERROR((AE_INFO,
"Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %d current %d",
"Cannot release Mutex [%4.4s], SyncLevel mismatch: mutex %u current %u",
acpi_ut_get_node_name(obj_desc->mutex.node),
obj_desc->mutex.sync_level,
walk_state->thread->current_sync_level));
@ -423,7 +422,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
* acquired, but are not released in reverse order.
*/
previous_sync_level =
walk_state->thread->acquired_mutex_list->mutex.original_sync_level;
owner_thread->acquired_mutex_list->mutex.original_sync_level;
status = acpi_ex_release_mutex_object(obj_desc);
if (ACPI_FAILURE(status)) {
@ -434,8 +433,9 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
/* Restore the previous sync_level */
walk_state->thread->current_sync_level = previous_sync_level;
owner_thread->current_sync_level = previous_sync_level;
}
return_ACPI_STATUS(status);
}
@ -443,7 +443,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
*
* FUNCTION: acpi_ex_release_all_mutexes
*
* PARAMETERS: Thread - Current executing thread object
* PARAMETERS: Thread - Current executing thread object
*
* RETURN: Status
*

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

@ -102,7 +102,7 @@ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs)
name_string = ACPI_ALLOCATE(size_needed);
if (!name_string) {
ACPI_ERROR((AE_INFO,
"Could not allocate size %d", size_needed));
"Could not allocate size %u", size_needed));
return_PTR(NULL);
}
@ -216,7 +216,7 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string)
*/
status = AE_AML_BAD_NAME;
ACPI_ERROR((AE_INFO,
"Bad character %02x in name, at %p",
"Bad character 0x%02x in name, at %p",
*aml_address, aml_address));
}

18
drivers/acpi/acpica/exoparg1.c
View File

@ -110,7 +110,7 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state)
default: /* Unknown opcode */
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
break;
@ -173,7 +173,7 @@ acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state)
case AML_SLEEP_OP: /* Sleep (msec_time) */
status = acpi_ex_system_do_suspend(operand[0]->integer.value);
status = acpi_ex_system_do_sleep(operand[0]->integer.value);
break;
case AML_STALL_OP: /* Stall (usec_time) */
@ -189,7 +189,7 @@ acpi_status acpi_ex_opcode_1A_0T_0R(struct acpi_walk_state *walk_state)
default: /* Unknown opcode */
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
break;
@ -229,7 +229,7 @@ acpi_status acpi_ex_opcode_1A_1T_0R(struct acpi_walk_state *walk_state)
default: /* Unknown opcode */
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
@ -399,7 +399,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
if (digit > 0) {
ACPI_ERROR((AE_INFO,
"Integer too large to convert to BCD: %8.8X%8.8X",
"Integer too large to convert to BCD: 0x%8.8X%8.8X",
ACPI_FORMAT_UINT64(operand[0]->
integer.value)));
status = AE_AML_NUMERIC_OVERFLOW;
@ -540,7 +540,7 @@ acpi_status acpi_ex_opcode_1A_1T_1R(struct acpi_walk_state *walk_state)
default: /* Unknown opcode */
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
@ -979,7 +979,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO,
"Unknown Index TargetType %X in reference object %p",
"Unknown Index TargetType 0x%X in reference object %p",
operand[0]->reference.
target_type, operand[0]));
status = AE_AML_OPERAND_TYPE;
@ -1007,7 +1007,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO,
"Unknown class in reference(%p) - %2.2X",
"Unknown class in reference(%p) - 0x%2.2X",
operand[0],
operand[0]->reference.class));
@ -1019,7 +1019,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;

37
drivers/acpi/acpica/exoparg2.c
View File

@ -119,33 +119,6 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
status = AE_AML_OPERAND_TYPE;
break;
}
#ifdef ACPI_GPE_NOTIFY_CHECK
/*
* GPE method wake/notify check. Here, we want to ensure that we
* don't receive any "DeviceWake" Notifies from a GPE _Lxx or _Exx
* GPE method during system runtime. If we do, the GPE is marked
* as "wake-only" and disabled.
*
* 1) Is the Notify() value == device_wake?
* 2) Is this a GPE deferred method? (An _Lxx or _Exx method)
* 3) Did the original GPE happen at system runtime?
* (versus during wake)
*
* If all three cases are true, this is a wake-only GPE that should
* be disabled at runtime.
*/
if (value == 2) { /* device_wake */
status =
acpi_ev_check_for_wake_only_gpe(walk_state->
gpe_event_info);
if (ACPI_FAILURE(status)) {
/* AE_WAKE_ONLY_GPE only error, means ignore this notify */
return_ACPI_STATUS(AE_OK)
}
}
#endif
/*
* Dispatch the notify to the appropriate handler
@ -159,7 +132,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
}
@ -224,7 +197,7 @@ acpi_status acpi_ex_opcode_2A_2T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
@ -441,7 +414,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Index (%X%8.8X) is beyond end of object",
"Index (0x%8.8X%8.8X) is beyond end of object",
ACPI_FORMAT_UINT64(index)));
goto cleanup;
}
@ -464,7 +437,7 @@ acpi_status acpi_ex_opcode_2A_1T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
break;
@ -572,7 +545,7 @@ acpi_status acpi_ex_opcode_2A_0T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;

4
drivers/acpi/acpica/exoparg3.c
View File

@ -119,7 +119,7 @@ acpi_status acpi_ex_opcode_3A_0T_0R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;
@ -244,7 +244,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;

4
drivers/acpi/acpica/exoparg6.c
View File

@ -245,7 +245,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
index = operand[5]->integer.value;
if (index >= operand[0]->package.count) {
ACPI_ERROR((AE_INFO,
"Index (%X%8.8X) beyond package end (%X)",
"Index (0x%8.8X%8.8X) beyond package end (0x%X)",
ACPI_FORMAT_UINT64(index),
operand[0]->package.count));
status = AE_AML_PACKAGE_LIMIT;
@ -314,7 +314,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state)
default:
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X",
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X",
walk_state->opcode));
status = AE_AML_BAD_OPCODE;
goto cleanup;

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

@ -275,7 +275,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc,
default:
/* Invalid field access type */
ACPI_ERROR((AE_INFO, "Unknown field access type %X", access));
ACPI_ERROR((AE_INFO, "Unknown field access type 0x%X", access));
return_UINT32(0);
}
@ -430,7 +430,7 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
type = acpi_ns_get_type(info->region_node);
if (type != ACPI_TYPE_REGION) {
ACPI_ERROR((AE_INFO,
"Needed Region, found type %X (%s)",
"Needed Region, found type 0x%X (%s)",
type, acpi_ut_get_type_name(type)));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);

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

@ -105,7 +105,7 @@ acpi_ex_system_memory_space_handler(u32 function,
break;
default:
ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %d",
ACPI_ERROR((AE_INFO, "Invalid SystemMemory width %u",
bit_width));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
@ -173,7 +173,7 @@ acpi_ex_system_memory_space_handler(u32 function,
mem_info->mapped_logical_address = acpi_os_map_memory((acpi_physical_address) address, map_length);
if (!mem_info->mapped_logical_address) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X%8.8X, size %X",
"Could not map memory at 0x%8.8X%8.8X, size %u",
ACPI_FORMAT_NATIVE_UINT(address),
(u32) map_length));
mem_info->mapped_length = 0;
@ -491,8 +491,10 @@ acpi_ex_data_table_space_handler(u32 function,
{
ACPI_FUNCTION_TRACE(ex_data_table_space_handler);
/* Perform the memory read or write */
/*
* Perform the memory read or write. The bit_width was already
* validated.
*/
switch (function) {
case ACPI_READ:
@ -502,9 +504,14 @@ acpi_ex_data_table_space_handler(u32 function,
break;
case ACPI_WRITE:
ACPI_MEMCPY(ACPI_PHYSADDR_TO_PTR(address),
ACPI_CAST_PTR(char, value), ACPI_DIV_8(bit_width));
break;
default:
return_ACPI_STATUS(AE_SUPPORT);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
return_ACPI_STATUS(AE_OK);

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

@ -252,7 +252,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
/* No named references are allowed here */
ACPI_ERROR((AE_INFO,
"Unsupported Reference type %X",
"Unsupported Reference type 0x%X",
source_desc->reference.class));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
@ -264,7 +264,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr,
/* Default case is for unknown types */
ACPI_ERROR((AE_INFO,
"Node %p - Unknown object type %X",
"Node %p - Unknown object type 0x%X",
node, entry_type));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);

11
drivers/acpi/acpica/exresolv.c
View File

@ -231,7 +231,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
/* Invalid reference object */
ACPI_ERROR((AE_INFO,
"Unknown TargetType %X in Index/Reference object %p",
"Unknown TargetType 0x%X in Index/Reference object %p",
stack_desc->reference.target_type,
stack_desc));
status = AE_AML_INTERNAL;
@ -273,8 +273,8 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
default:
ACPI_ERROR((AE_INFO,
"Unknown Reference type %X in %p", ref_type,
stack_desc));
"Unknown Reference type 0x%X in %p",
ref_type, stack_desc));
status = AE_AML_INTERNAL;
break;
}
@ -403,7 +403,8 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
if (ACPI_GET_DESCRIPTOR_TYPE(node) !=
ACPI_DESC_TYPE_NAMED) {
ACPI_ERROR((AE_INFO, "Not a NS node %p [%s]",
ACPI_ERROR((AE_INFO,
"Not a namespace node %p [%s]",
node,
acpi_ut_get_descriptor_name(node)));
return_ACPI_STATUS(AE_AML_INTERNAL);
@ -507,7 +508,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
default:
ACPI_ERROR((AE_INFO,
"Unknown Reference Class %2.2X",
"Unknown Reference Class 0x%2.2X",
obj_desc->reference.class));
return_ACPI_STATUS(AE_AML_INTERNAL);
}

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

@ -153,7 +153,7 @@ acpi_ex_resolve_operands(u16 opcode,
arg_types = op_info->runtime_args;
if (arg_types == ARGI_INVALID_OPCODE) {
ACPI_ERROR((AE_INFO, "Unknown AML opcode %X", opcode));
ACPI_ERROR((AE_INFO, "Unknown AML opcode 0x%X", opcode));
return_ACPI_STATUS(AE_AML_INTERNAL);
}
@ -218,7 +218,7 @@ acpi_ex_resolve_operands(u16 opcode,
if (!acpi_ut_valid_object_type(object_type)) {
ACPI_ERROR((AE_INFO,
"Bad operand object type [%X]",
"Bad operand object type [0x%X]",
object_type));
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
@ -253,7 +253,7 @@ acpi_ex_resolve_operands(u16 opcode,
default:
ACPI_ERROR((AE_INFO,
"Unknown Reference Class %2.2X in %p",
"Unknown Reference Class 0x%2.2X in %p",
obj_desc->reference.class,
obj_desc));
@ -665,7 +665,7 @@ acpi_ex_resolve_operands(u16 opcode,
/* Unknown type */
ACPI_ERROR((AE_INFO,
"Internal - Unknown ARGI (required operand) type %X",
"Internal - Unknown ARGI (required operand) type 0x%X",
this_arg_type));
return_ACPI_STATUS(AE_BAD_PARAMETER);

218
drivers/acpi/acpica/exstore.c
View File

@ -1,4 +1,3 @@
/******************************************************************************
*
* Module Name: exstore - AML Interpreter object store support
@ -53,224 +52,11 @@
ACPI_MODULE_NAME("exstore")
/* Local prototypes */
static void
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index);
static acpi_status
acpi_ex_store_object_to_index(union acpi_operand_object *val_desc,
union acpi_operand_object *dest_desc,
struct acpi_walk_state *walk_state);
/*******************************************************************************
*
* FUNCTION: acpi_ex_do_debug_object
*
* PARAMETERS: source_desc - Value to be stored
* Level - Indentation level (used for packages)
* Index - Current package element, zero if not pkg
*
* RETURN: None
*
* DESCRIPTION: Handles stores to the Debug Object.
*
******************************************************************************/
static void
acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
u32 level, u32 index)
{
u32 i;
ACPI_FUNCTION_TRACE_PTR(ex_do_debug_object, source_desc);
/* Print line header as long as we are not in the middle of an object display */
if (!((level > 0) && index == 0)) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
level, " "));
}
/* Display index for package output only */
if (index > 0) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"(%.2u) ", index - 1));
}
if (!source_desc) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[Null Object]\n"));
return_VOID;
}
if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s ",
acpi_ut_get_object_type_name
(source_desc)));
if (!acpi_ut_valid_internal_object(source_desc)) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"%p, Invalid Internal Object!\n",
source_desc));
return_VOID;
}
} else if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) ==
ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
acpi_ut_get_type_name(((struct
acpi_namespace_node
*)source_desc)->
type),
source_desc));
return_VOID;
} else {
return_VOID;
}
/* source_desc is of type ACPI_DESC_TYPE_OPERAND */
switch (source_desc->common.type) {
case ACPI_TYPE_INTEGER:
/* Output correct integer width */
if (acpi_gbl_integer_byte_width == 4) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
(u32) source_desc->integer.
value));
} else {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"0x%8.8X%8.8X\n",
ACPI_FORMAT_UINT64(source_desc->
integer.
value)));
}
break;
case ACPI_TYPE_BUFFER:
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
(u32) source_desc->buffer.length));
ACPI_DUMP_BUFFER(source_desc->buffer.pointer,
(source_desc->buffer.length <
256) ? source_desc->buffer.length : 256);
break;
case ACPI_TYPE_STRING:
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
source_desc->string.length,
source_desc->string.pointer));
break;
case ACPI_TYPE_PACKAGE:
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"[Contains 0x%.2X Elements]\n",
source_desc->package.count));
/* Output the entire contents of the package */
for (i = 0; i < source_desc->package.count; i++) {
acpi_ex_do_debug_object(source_desc->package.
elements[i], level + 4, i + 1);
}
break;
case ACPI_TYPE_LOCAL_REFERENCE:
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "[%s] ",
acpi_ut_get_reference_name(source_desc)));
/* Decode the reference */
switch (source_desc->reference.class) {
case ACPI_REFCLASS_INDEX:
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "0x%X\n",
source_desc->reference.value));
break;
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));
return;
default:
break;
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, " "));
/* Check for valid node first, then valid object */
if (source_desc->reference.node) {
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.node) !=
ACPI_DESC_TYPE_NAMED) {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
" %p - Not a valid namespace node\n",
source_desc->reference.
node));
} else {
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT,
"Node %p [%4.4s] ",
source_desc->reference.
node,
(source_desc->reference.
node)->name.ascii));
switch ((source_desc->reference.node)->type) {
/* These types have no attached object */
case ACPI_TYPE_DEVICE:
acpi_os_printf("Device\n");
break;
case ACPI_TYPE_THERMAL:
acpi_os_printf("Thermal Zone\n");
break;
default:
acpi_ex_do_debug_object((source_desc->
reference.
node)->object,
level + 4, 0);
break;
}
}
} else if (source_desc->reference.object) {
if (ACPI_GET_DESCRIPTOR_TYPE
(source_desc->reference.object) ==
ACPI_DESC_TYPE_NAMED) {
acpi_ex_do_debug_object(((struct
acpi_namespace_node *)
source_desc->reference.
object)->object,
level + 4, 0);
} else {
acpi_ex_do_debug_object(source_desc->reference.
object, level + 4, 0);
}
}
break;
default:
ACPI_DEBUG_PRINT_RAW((ACPI_DB_DEBUG_OBJECT, "%p\n",
source_desc));
break;
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_EXEC, "\n"));
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_store
@ -402,12 +188,12 @@ acpi_ex_store(union acpi_operand_object *source_desc,
source_desc,
acpi_ut_get_object_type_name(source_desc)));
acpi_ex_do_debug_object(source_desc, 0, 0);
ACPI_DEBUG_OBJECT(source_desc, 0, 0);
break;
default:
ACPI_ERROR((AE_INFO, "Unknown Reference Class %2.2X",
ACPI_ERROR((AE_INFO, "Unknown Reference Class 0x%2.2X",
ref_desc->reference.class));
ACPI_DUMP_ENTRY(ref_desc, ACPI_LV_INFO);

10
drivers/acpi/acpica/exsystem.c
View File

@ -170,7 +170,7 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
* (ACPI specifies 100 usec as max, but this gives some slack in
* order to support existing BIOSs)
*/
ACPI_ERROR((AE_INFO, "Time parameter is too large (%d)",
ACPI_ERROR((AE_INFO, "Time parameter is too large (%u)",
how_long));
status = AE_AML_OPERAND_VALUE;
} else {
@ -182,18 +182,18 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
/*******************************************************************************
*
* FUNCTION: acpi_ex_system_do_suspend
* FUNCTION: acpi_ex_system_do_sleep
*
* PARAMETERS: how_long - The amount of time to suspend,
* PARAMETERS: how_long - The amount of time to sleep,
* in milliseconds
*
* RETURN: None
*
* DESCRIPTION: Suspend running thread for specified amount of time.
* DESCRIPTION: Sleep the running thread for specified amount of time.
*
******************************************************************************/
acpi_status acpi_ex_system_do_suspend(u64 how_long)
acpi_status acpi_ex_system_do_sleep(u64 how_long)
{
ACPI_FUNCTION_ENTRY();

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

@ -299,7 +299,7 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id)
ACPI_FUNCTION_ENTRY();
if (register_id > ACPI_BITREG_MAX) {
ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: %X",
ACPI_ERROR((AE_INFO, "Invalid BitRegister ID: 0x%X",
register_id));
return (NULL);
}
@ -413,7 +413,7 @@ acpi_hw_register_read(u32 register_id, u32 * return_value)
break;
default:
ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
status = AE_BAD_PARAMETER;
break;
}
@ -549,7 +549,7 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value)
break;
default:
ACPI_ERROR((AE_INFO, "Unknown Register ID: %X", register_id));
ACPI_ERROR((AE_INFO, "Unknown Register ID: 0x%X", register_id));
status = AE_BAD_PARAMETER;
break;
}

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

@ -245,7 +245,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) ||
(acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) {
ACPI_ERROR((AE_INFO, "Sleep values out of range: A=%X B=%X",
ACPI_ERROR((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X",
acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b));
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}

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

@ -150,7 +150,7 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width)
if (last_address > ACPI_UINT16_MAX) {
ACPI_ERROR((AE_INFO,
"Illegal I/O port address/length above 64K: 0x%p/%X",
"Illegal I/O port address/length above 64K: %p/0x%X",
ACPI_CAST_PTR(void, address), byte_width));
return_ACPI_STATUS(AE_LIMIT);
}

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

@ -222,7 +222,7 @@ acpi_status acpi_ns_root_initialize(void)
default:
ACPI_ERROR((AE_INFO,
"Unsupported initial type value %X",
"Unsupported initial type value 0x%X",
init_val->type));
acpi_ut_remove_reference(obj_desc);
obj_desc = NULL;

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

@ -205,8 +205,8 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
/* Check the node type and name */
if (type > ACPI_TYPE_LOCAL_MAX) {
ACPI_WARNING((AE_INFO, "Invalid ACPI Object Type %08X",
type));
ACPI_WARNING((AE_INFO,
"Invalid ACPI Object Type 0x%08X", type));
}
if (!acpi_ut_valid_acpi_name(this_node->name.integer)) {

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

@ -107,7 +107,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
if (index != 0) {
ACPI_ERROR((AE_INFO,
"Could not construct external pathname; index=%X, size=%X, Path=%s",
"Could not construct external pathname; index=%u, size=%u, Path=%s",
(u32) index, (u32) size, &name_buffer[size]));
return (AE_BAD_PARAMETER);

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

@ -311,7 +311,7 @@ acpi_ns_search_and_enter(u32 target_name,
if (!node || !target_name || !return_node) {
ACPI_ERROR((AE_INFO,
"Null parameter: Node %p Name %X ReturnNode %p",
"Null parameter: Node %p Name 0x%X ReturnNode %p",
node, target_name, return_node));
return_ACPI_STATUS(AE_BAD_PARAMETER);
}

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

@ -276,7 +276,7 @@ u32 acpi_ns_local(acpi_object_type type)
/* Type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type));
ACPI_WARNING((AE_INFO, "Invalid Object Type 0x%X", type));
return_UINT32(ACPI_NS_NORMAL);
}
@ -764,7 +764,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
/* type code out of range */
ACPI_WARNING((AE_INFO, "Invalid Object Type %X", type));
ACPI_WARNING((AE_INFO, "Invalid Object Type 0x%X", type));
return_UINT32(ACPI_NS_NORMAL);
}

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

@ -460,7 +460,7 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
default:
ACPI_ERROR((AE_INFO, "Invalid ArgType %X", arg_type));
ACPI_ERROR((AE_INFO, "Invalid ArgType 0x%X", arg_type));
return_VOID;
}
@ -742,7 +742,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
default:
ACPI_ERROR((AE_INFO, "Invalid ArgType: %X", arg_type));
ACPI_ERROR((AE_INFO, "Invalid ArgType: 0x%X", arg_type));
status = AE_AML_OPERAND_TYPE;
break;
}

3
drivers/acpi/acpica/psloop.c
View File

@ -136,7 +136,7 @@ static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state)
/* The opcode is unrecognized. Just skip unknown opcodes */
ACPI_ERROR((AE_INFO,
"Found unknown opcode %X at AML address %p offset %X, ignoring",
"Found unknown opcode 0x%X at AML address %p offset 0x%X, ignoring",
walk_state->opcode, walk_state->parser_state.aml,
walk_state->aml_offset));
@ -1021,7 +1021,6 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
if (status == AE_AML_NO_RETURN_VALUE) {
ACPI_EXCEPTION((AE_INFO, status,
"Invoked method did not return a value"));
}
ACPI_EXCEPTION((AE_INFO, status,

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

@ -46,6 +46,7 @@
#include "acparser.h"
#include "acdispat.h"
#include "acinterp.h"
#include "actables.h"
#include "amlcode.h"
#define _COMPONENT ACPI_PARSER
@ -220,6 +221,10 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
ACPI_FUNCTION_TRACE(ps_execute_method);
/* Quick validation of DSDT header */
acpi_tb_check_dsdt_header();
/* Validate the Info and method Node */
if (!info || !info->resolved_node) {

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

@ -212,7 +212,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
if ((*top_object_list)->common.type != ACPI_TYPE_PACKAGE) {
ACPI_ERROR((AE_INFO,
"(PRT[%X]) Need sub-package, found %s",
"(PRT[%u]) Need sub-package, found %s",
index,
acpi_ut_get_object_type_name
(*top_object_list)));
@ -223,7 +223,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
if ((*top_object_list)->package.count != 4) {
ACPI_ERROR((AE_INFO,
"(PRT[%X]) Need package of length 4, found length %d",
"(PRT[%u]) Need package of length 4, found length %u",
index, (*top_object_list)->package.count));
return_ACPI_STATUS(AE_AML_PACKAGE_LIMIT);
}
@ -240,7 +240,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
obj_desc = sub_object_list[0];
if (obj_desc->common.type != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Address) Need Integer, found %s",
"(PRT[%u].Address) Need Integer, found %s",
index,
acpi_ut_get_object_type_name(obj_desc)));
return_ACPI_STATUS(AE_BAD_DATA);
@ -253,7 +253,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
obj_desc = sub_object_list[1];
if (obj_desc->common.type != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Pin) Need Integer, found %s",
"(PRT[%u].Pin) Need Integer, found %s",
index,
acpi_ut_get_object_type_name(obj_desc)));
return_ACPI_STATUS(AE_BAD_DATA);
@ -289,7 +289,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
if (obj_desc->reference.class !=
ACPI_REFCLASS_NAME) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Source) Need name, found Reference Class %X",
"(PRT[%u].Source) Need name, found Reference Class 0x%X",
index,
obj_desc->reference.class));
return_ACPI_STATUS(AE_BAD_DATA);
@ -340,7 +340,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
default:
ACPI_ERROR((AE_INFO,
"(PRT[%X].Source) Need Ref/String/Integer, found %s",
"(PRT[%u].Source) Need Ref/String/Integer, found %s",
index,
acpi_ut_get_object_type_name
(obj_desc)));
@ -358,7 +358,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
obj_desc = sub_object_list[3];
if (obj_desc->common.type != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].SourceIndex) Need Integer, found %s",
"(PRT[%u].SourceIndex) Need Integer, found %s",
index,
acpi_ut_get_object_type_name(obj_desc)));
return_ACPI_STATUS(AE_BAD_DATA);

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

@ -94,7 +94,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml,
[resource_index]);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not convert AML resource (Type %X)",
"Could not convert AML resource (Type 0x%X)",
*aml));
return_ACPI_STATUS(status);
}
@ -147,7 +147,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
if (resource->type > ACPI_RESOURCE_TYPE_MAX) {
ACPI_ERROR((AE_INFO,
"Invalid descriptor type (%X) in resource list",
"Invalid descriptor type (0x%X) in resource list",
resource->type));
return_ACPI_STATUS(AE_BAD_DATA);
}
@ -161,7 +161,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
[resource->type]);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not convert resource (type %X) to AML",
"Could not convert resource (type 0x%X) to AML",
resource->type));
return_ACPI_STATUS(status);
}

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

@ -88,7 +88,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
/* Each internal resource struct is expected to be 32-bit aligned */
ACPI_WARNING((AE_INFO,
"Misaligned resource pointer (get): %p Type %2.2X Len %X",
"Misaligned resource pointer (get): %p Type 0x%2.2X Length %u",
resource, resource->type, resource->length));
}
@ -541,7 +541,7 @@ if (((aml->irq.flags & 0x09) == 0x00) || ((aml->irq.flags & 0x09) == 0x09)) {
* "IRQ Format"), so 0x00 and 0x09 are illegal.
*/
ACPI_ERROR((AE_INFO,
"Invalid interrupt polarity/trigger in resource list, %X",
"Invalid interrupt polarity/trigger in resource list, 0x%X",
aml->irq.flags));
return_ACPI_STATUS(AE_BAD_DATA);
}

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

@ -283,7 +283,7 @@ 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%X",
"truncating length %u to %u",
table->revision, length,
(u32)sizeof(struct acpi_table_fadt)));
}
@ -422,7 +422,7 @@ static void acpi_tb_convert_fadt(void)
if (address64->address && address32 &&
(address64->address != (u64) address32)) {
ACPI_ERROR((AE_INFO,
"32/64X address mismatch in %s: %8.8X/%8.8X%8.8X, using 32",
"32/64X address mismatch in %s: 0x%8.8X/0x%8.8X%8.8X, using 32",
fadt_info_table[i].name, address32,
ACPI_FORMAT_UINT64(address64->address)));
}
@ -481,7 +481,7 @@ static void acpi_tb_validate_fadt(void)
(acpi_gbl_FADT.Xfacs != (u64) acpi_gbl_FADT.facs)) {
ACPI_WARNING((AE_INFO,
"32/64X FACS address mismatch in FADT - "
"%8.8X/%8.8X%8.8X, using 32",
"0x%8.8X/0x%8.8X%8.8X, using 32",
acpi_gbl_FADT.facs,
ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xfacs)));
@ -492,7 +492,7 @@ static void acpi_tb_validate_fadt(void)
(acpi_gbl_FADT.Xdsdt != (u64) acpi_gbl_FADT.dsdt)) {
ACPI_WARNING((AE_INFO,
"32/64X DSDT address mismatch in FADT - "
"%8.8X/%8.8X%8.8X, using 32",
"0x%8.8X/0x%8.8X%8.8X, using 32",
acpi_gbl_FADT.dsdt,
ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xdsdt)));
@ -521,7 +521,7 @@ static void acpi_tb_validate_fadt(void)
if (address64->address &&
(address64->bit_width != ACPI_MUL_8(length))) {
ACPI_WARNING((AE_INFO,
"32/64X length mismatch in %s: %d/%d",
"32/64X length mismatch in %s: %u/%u",
name, ACPI_MUL_8(length),
address64->bit_width));
}
@ -534,7 +534,7 @@ static void acpi_tb_validate_fadt(void)
if (!address64->address || !length) {
ACPI_ERROR((AE_INFO,
"Required field %s has zero address and/or length:"
" %8.8X%8.8X/%X",
" 0x%8.8X%8.8X/0x%X",
name,
ACPI_FORMAT_UINT64(address64->
address),
@ -550,7 +550,7 @@ static void acpi_tb_validate_fadt(void)
(!address64->address && length)) {
ACPI_WARNING((AE_INFO,
"Optional field %s has zero address or length: "
"%8.8X%8.8X/%X",
"0x%8.8X%8.8X/0x%X",
name,
ACPI_FORMAT_UINT64(address64->
address),
@ -600,7 +600,7 @@ static void acpi_tb_setup_fadt_registers(void)
(fadt_info_table[i].default_length !=
target64->bit_width)) {
ACPI_WARNING((AE_INFO,
"Invalid length for %s: %d, using default %d",
"Invalid length for %s: %u, using default %u",
fadt_info_table[i].name,
target64->bit_width,
fadt_info_table[i].

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

@ -83,7 +83,7 @@ acpi_tb_find_table(char *signature,
/* Search for the table */
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
if (ACPI_MEMCMP(&(acpi_gbl_root_table_list.tables[i].signature),
header.signature, ACPI_NAME_SIZE)) {

65
drivers/acpi/acpica/tbinstal.c
View File

@ -137,7 +137,7 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
/* Check if table is already registered */
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
if (!acpi_gbl_root_table_list.tables[i].pointer) {
status =
acpi_tb_verify_table(&acpi_gbl_root_table_list.
@ -273,7 +273,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
/* Increase the Table Array size */
tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list.
size +
max_table_count +
ACPI_ROOT_TABLE_SIZE_INCREMENT) *
sizeof(struct acpi_table_desc));
if (!tables) {
@ -286,8 +286,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
if (acpi_gbl_root_table_list.tables) {
ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
(acpi_size) acpi_gbl_root_table_list.size *
sizeof(struct acpi_table_desc));
(acpi_size) acpi_gbl_root_table_list.
max_table_count * sizeof(struct acpi_table_desc));
if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
ACPI_FREE(acpi_gbl_root_table_list.tables);
@ -295,8 +295,9 @@ acpi_status acpi_tb_resize_root_table_list(void)
}
acpi_gbl_root_table_list.tables = tables;
acpi_gbl_root_table_list.size += ACPI_ROOT_TABLE_SIZE_INCREMENT;
acpi_gbl_root_table_list.flags |= (u8) ACPI_ROOT_ORIGIN_ALLOCATED;
acpi_gbl_root_table_list.max_table_count +=
ACPI_ROOT_TABLE_SIZE_INCREMENT;
acpi_gbl_root_table_list.flags |= (u8)ACPI_ROOT_ORIGIN_ALLOCATED;
return_ACPI_STATUS(AE_OK);
}
@ -321,38 +322,36 @@ acpi_tb_store_table(acpi_physical_address address,
struct acpi_table_header *table,
u32 length, u8 flags, u32 *table_index)
{
acpi_status status = AE_OK;
acpi_status status;
struct acpi_table_desc *new_table;
/* Ensure that there is room for the table in the Root Table List */
if (acpi_gbl_root_table_list.count >= acpi_gbl_root_table_list.size) {
if (acpi_gbl_root_table_list.current_table_count >=
acpi_gbl_root_table_list.max_table_count) {
status = acpi_tb_resize_root_table_list();
if (ACPI_FAILURE(status)) {
return (status);
}
}
new_table =
&acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.
current_table_count];
/* Initialize added table */
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
address = address;
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
pointer = table;
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].length =
length;
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
owner_id = 0;
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].flags =
flags;
new_table->address = address;
new_table->pointer = table;
new_table->length = length;
new_table->owner_id = 0;
new_table->flags = flags;
ACPI_MOVE_32_TO_32(&
(acpi_gbl_root_table_list.
tables[acpi_gbl_root_table_list.count].signature),
table->signature);
ACPI_MOVE_32_TO_32(&new_table->signature, table->signature);
*table_index = acpi_gbl_root_table_list.count;
acpi_gbl_root_table_list.count++;
return (status);
*table_index = acpi_gbl_root_table_list.current_table_count;
acpi_gbl_root_table_list.current_table_count++;
return (AE_OK);
}
/*******************************************************************************
@ -408,7 +407,7 @@ void acpi_tb_terminate(void)
/* Delete the individual tables */
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; i++) {
acpi_tb_delete_table(&acpi_gbl_root_table_list.tables[i]);
}
@ -422,7 +421,7 @@ void acpi_tb_terminate(void)
acpi_gbl_root_table_list.tables = NULL;
acpi_gbl_root_table_list.flags = 0;
acpi_gbl_root_table_list.count = 0;
acpi_gbl_root_table_list.current_table_count = 0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n"));
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
@ -452,7 +451,7 @@ acpi_status acpi_tb_delete_namespace_by_owner(u32 table_index)
return_ACPI_STATUS(status);
}
if (table_index >= acpi_gbl_root_table_list.count) {
if (table_index >= acpi_gbl_root_table_list.current_table_count) {
/* The table index does not exist */
@ -505,7 +504,7 @@ acpi_status acpi_tb_allocate_owner_id(u32 table_index)
ACPI_FUNCTION_TRACE(tb_allocate_owner_id);
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (table_index < acpi_gbl_root_table_list.count) {
if (table_index < acpi_gbl_root_table_list.current_table_count) {
status = acpi_ut_allocate_owner_id
(&(acpi_gbl_root_table_list.tables[table_index].owner_id));
}
@ -533,7 +532,7 @@ acpi_status acpi_tb_release_owner_id(u32 table_index)
ACPI_FUNCTION_TRACE(tb_release_owner_id);
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (table_index < acpi_gbl_root_table_list.count) {
if (table_index < acpi_gbl_root_table_list.current_table_count) {
acpi_ut_release_owner_id(&
(acpi_gbl_root_table_list.
tables[table_index].owner_id));
@ -564,7 +563,7 @@ acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
ACPI_FUNCTION_TRACE(tb_get_owner_id);
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (table_index < acpi_gbl_root_table_list.count) {
if (table_index < acpi_gbl_root_table_list.current_table_count) {
*owner_id =
acpi_gbl_root_table_list.tables[table_index].owner_id;
status = AE_OK;
@ -589,7 +588,7 @@ u8 acpi_tb_is_table_loaded(u32 table_index)
u8 is_loaded = FALSE;
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (table_index < acpi_gbl_root_table_list.count) {
if (table_index < acpi_gbl_root_table_list.current_table_count) {
is_loaded = (u8)
(acpi_gbl_root_table_list.tables[table_index].flags &
ACPI_TABLE_IS_LOADED);
@ -616,7 +615,7 @@ void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
{
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
if (table_index < acpi_gbl_root_table_list.count) {
if (table_index < acpi_gbl_root_table_list.current_table_count) {
if (is_loaded) {
acpi_gbl_root_table_list.tables[table_index].flags |=
ACPI_TABLE_IS_LOADED;

101
drivers/acpi/acpica/tbutils.c
View File

@ -158,7 +158,7 @@ acpi_status acpi_tb_initialize_facs(void)
u8 acpi_tb_tables_loaded(void)
{
if (acpi_gbl_root_table_list.count >= 3) {
if (acpi_gbl_root_table_list.current_table_count >= 3) {
return (TRUE);
}
@ -309,7 +309,7 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
if (checksum) {
ACPI_WARNING((AE_INFO,
"Incorrect checksum in table [%4.4s] - %2.2X, should be %2.2X",
"Incorrect checksum in table [%4.4s] - 0x%2.2X, should be 0x%2.2X",
table->signature, table->checksum,
(u8) (table->checksum - checksum)));
@ -347,6 +347,84 @@ u8 acpi_tb_checksum(u8 *buffer, u32 length)
return sum;
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_check_dsdt_header
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Quick compare to check validity of the DSDT. This will detect
* if the DSDT has been replaced from outside the OS and/or if
* the DSDT header has been corrupted.
*
******************************************************************************/
void acpi_tb_check_dsdt_header(void)
{
/* Compare original length and checksum to current values */
if (acpi_gbl_original_dsdt_header.length != acpi_gbl_DSDT->length ||
acpi_gbl_original_dsdt_header.checksum != acpi_gbl_DSDT->checksum) {
ACPI_ERROR((AE_INFO,
"The DSDT has been corrupted or replaced - old, new headers below"));
acpi_tb_print_table_header(0, &acpi_gbl_original_dsdt_header);
acpi_tb_print_table_header(0, acpi_gbl_DSDT);
ACPI_ERROR((AE_INFO,
"Please send DMI info to linux-acpi@vger.kernel.org\n"
"If system does not work as expected, please boot with acpi=copy_dsdt"));
/* Disable further error messages */
acpi_gbl_original_dsdt_header.length = acpi_gbl_DSDT->length;
acpi_gbl_original_dsdt_header.checksum =
acpi_gbl_DSDT->checksum;
}
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_copy_dsdt
*
* PARAMETERS: table_desc - Installed table to copy
*
* RETURN: None
*
* DESCRIPTION: Implements a subsystem option to copy the DSDT to local memory.
* Some very bad BIOSs are known to either corrupt the DSDT or
* install a new, bad DSDT. This copy works around the problem.
*
******************************************************************************/
struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index)
{
struct acpi_table_header *new_table;
struct acpi_table_desc *table_desc;
table_desc = &acpi_gbl_root_table_list.tables[table_index];
new_table = ACPI_ALLOCATE(table_desc->length);
if (!new_table) {
ACPI_ERROR((AE_INFO, "Could not copy DSDT of length 0x%X",
table_desc->length));
return (NULL);
}
ACPI_MEMCPY(new_table, table_desc->pointer, table_desc->length);
acpi_tb_delete_table(table_desc);
table_desc->pointer = new_table;
table_desc->flags = ACPI_TABLE_ORIGIN_ALLOCATED;
ACPI_INFO((AE_INFO,
"Forced DSDT copy: length 0x%05X copied locally, original unmapped",
new_table->length));
return (new_table);
}
/*******************************************************************************
*
* FUNCTION: acpi_tb_install_table
@ -496,7 +574,7 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size)
/* Will truncate 64-bit address to 32 bits, issue warning */
ACPI_WARNING((AE_INFO,
"64-bit Physical Address in XSDT is too large (%8.8X%8.8X),"
"64-bit Physical Address in XSDT is too large (0x%8.8X%8.8X),"
" truncating",
ACPI_FORMAT_UINT64(address64)));
}
@ -629,14 +707,14 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
*/
table_entry =
ACPI_CAST_PTR(u8, table) + sizeof(struct acpi_table_header);
acpi_gbl_root_table_list.count = 2;
acpi_gbl_root_table_list.current_table_count = 2;
/*
* Initialize the root table array from the RSDT/XSDT
*/
for (i = 0; i < table_count; i++) {
if (acpi_gbl_root_table_list.count >=
acpi_gbl_root_table_list.size) {
if (acpi_gbl_root_table_list.current_table_count >=
acpi_gbl_root_table_list.max_table_count) {
/* There is no more room in the root table array, attempt resize */
@ -646,19 +724,20 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
"Truncating %u table entries!",
(unsigned) (table_count -
(acpi_gbl_root_table_list.
count - 2))));
current_table_count -
2))));
break;
}
}
/* Get the table physical address (32-bit for RSDT, 64-bit for XSDT) */
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.count].
address =
acpi_gbl_root_table_list.tables[acpi_gbl_root_table_list.
current_table_count].address =
acpi_tb_get_root_table_entry(table_entry, table_entry_size);
table_entry += table_entry_size;
acpi_gbl_root_table_list.count++;
acpi_gbl_root_table_list.current_table_count++;
}
/*
@ -671,7 +750,7 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address)
* Complete the initialization of the root table array by examining
* the header of each table
*/
for (i = 2; i < acpi_gbl_root_table_list.count; i++) {
for (i = 2; i < acpi_gbl_root_table_list.current_table_count; i++) {
acpi_tb_install_table(acpi_gbl_root_table_list.tables[i].
address, NULL, i);

80
drivers/acpi/acpica/tbxface.c
View File

@ -72,7 +72,7 @@ static int no_auto_ssdt;
acpi_status acpi_allocate_root_table(u32 initial_table_count)
{
acpi_gbl_root_table_list.size = initial_table_count;
acpi_gbl_root_table_list.max_table_count = initial_table_count;
acpi_gbl_root_table_list.flags = ACPI_ROOT_ALLOW_RESIZE;
return (acpi_tb_resize_root_table_list());
@ -130,7 +130,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
sizeof(struct acpi_table_desc));
acpi_gbl_root_table_list.tables = initial_table_array;
acpi_gbl_root_table_list.size = initial_table_count;
acpi_gbl_root_table_list.max_table_count = initial_table_count;
acpi_gbl_root_table_list.flags = ACPI_ROOT_ORIGIN_UNKNOWN;
if (allow_resize) {
acpi_gbl_root_table_list.flags |=
@ -172,6 +172,7 @@ acpi_status acpi_reallocate_root_table(void)
{
struct acpi_table_desc *tables;
acpi_size new_size;
acpi_size current_size;
ACPI_FUNCTION_TRACE(acpi_reallocate_root_table);
@ -183,10 +184,17 @@ acpi_status acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_SUPPORT);
}
new_size = ((acpi_size) acpi_gbl_root_table_list.count +
ACPI_ROOT_TABLE_SIZE_INCREMENT) *
/*
* Get the current size of the root table and add the default
* increment to create the new table size.
*/
current_size = (acpi_size)
acpi_gbl_root_table_list.current_table_count *
sizeof(struct acpi_table_desc);
new_size = current_size +
(ACPI_ROOT_TABLE_SIZE_INCREMENT * sizeof(struct acpi_table_desc));
/* Create new array and copy the old array */
tables = ACPI_ALLOCATE_ZEROED(new_size);
@ -194,10 +202,17 @@ acpi_status acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_NO_MEMORY);
}
ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, new_size);
ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, current_size);
acpi_gbl_root_table_list.size = acpi_gbl_root_table_list.count;
/*
* Update the root table descriptor. The new size will be the current
* number of tables plus the increment, independent of the reserved
* size of the original table list.
*/
acpi_gbl_root_table_list.tables = tables;
acpi_gbl_root_table_list.max_table_count =
acpi_gbl_root_table_list.current_table_count +
ACPI_ROOT_TABLE_SIZE_INCREMENT;
acpi_gbl_root_table_list.flags =
ACPI_ROOT_ORIGIN_ALLOCATED | ACPI_ROOT_ALLOW_RESIZE;
@ -278,7 +293,8 @@ acpi_get_table_header(char *signature,
/* Walk the root table list */
for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) {
for (i = 0, j = 0; i < acpi_gbl_root_table_list.current_table_count;
i++) {
if (!ACPI_COMPARE_NAME
(&(acpi_gbl_root_table_list.tables[i].signature),
signature)) {
@ -341,7 +357,7 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
ACPI_FUNCTION_TRACE(acpi_unload_table_id);
/* Find table in the global table list */
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
if (id != acpi_gbl_root_table_list.tables[i].owner_id) {
continue;
}
@ -391,7 +407,8 @@ acpi_get_table_with_size(char *signature,
/* Walk the root table list */
for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) {
for (i = 0, j = 0; i < acpi_gbl_root_table_list.current_table_count;
i++) {
if (!ACPI_COMPARE_NAME
(&(acpi_gbl_root_table_list.tables[i].signature),
signature)) {
@ -459,7 +476,7 @@ acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
/* Validate index */
if (table_index >= acpi_gbl_root_table_list.count) {
if (table_index >= acpi_gbl_root_table_list.current_table_count) {
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
@ -500,16 +517,17 @@ static acpi_status acpi_tb_load_namespace(void)
{
acpi_status status;
u32 i;
struct acpi_table_header *new_dsdt;
ACPI_FUNCTION_TRACE(tb_load_namespace);
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
/*
* Load the namespace. The DSDT is required, but any SSDT and PSDT tables
* are optional.
* Load the namespace. The DSDT is required, but any SSDT and
* PSDT tables are optional. Verify the DSDT.
*/
if (!acpi_gbl_root_table_list.count ||
if (!acpi_gbl_root_table_list.current_table_count ||
!ACPI_COMPARE_NAME(&
(acpi_gbl_root_table_list.
tables[ACPI_TABLE_INDEX_DSDT].signature),
@ -522,17 +540,35 @@ static acpi_status acpi_tb_load_namespace(void)
goto unlock_and_exit;
}
/* A valid DSDT is required */
/*
* Save the DSDT pointer for simple access. This is the mapped memory
* address. We must take care here because the address of the .Tables
* array can change dynamically as tables are loaded at run-time. Note:
* .Pointer field is not validated until after call to acpi_tb_verify_table.
*/
acpi_gbl_DSDT =
acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer;
status =
acpi_tb_verify_table(&acpi_gbl_root_table_list.
tables[ACPI_TABLE_INDEX_DSDT]);
if (ACPI_FAILURE(status)) {
status = AE_NO_ACPI_TABLES;
goto unlock_and_exit;
/*
* Optionally copy the entire DSDT to local memory (instead of simply
* mapping it.) There are some BIOSs that corrupt or replace the original
* DSDT, creating the need for this option. Default is FALSE, do not copy
* the DSDT.
*/
if (acpi_gbl_copy_dsdt_locally) {
new_dsdt = acpi_tb_copy_dsdt(ACPI_TABLE_INDEX_DSDT);
if (new_dsdt) {
acpi_gbl_DSDT = new_dsdt;
}
}
/*
* Save the original DSDT header for detection of table corruption
* and/or replacement of the DSDT from outside the OS.
*/
ACPI_MEMCPY(&acpi_gbl_original_dsdt_header, acpi_gbl_DSDT,
sizeof(struct acpi_table_header));
(void)acpi_ut_release_mutex(ACPI_MTX_TABLES);
/* Load and parse tables */
@ -545,7 +581,7 @@ static acpi_status acpi_tb_load_namespace(void)
/* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);
for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) {
if ((!ACPI_COMPARE_NAME
(&(acpi_gbl_root_table_list.tables[i].signature),
ACPI_SIG_SSDT)

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

@ -134,7 +134,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address)
ACPI_EBDA_PTR_LENGTH);
if (!table_ptr) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X for length %X",
"Could not map memory at 0x%8.8X for length %u",
ACPI_EBDA_PTR_LOCATION, ACPI_EBDA_PTR_LENGTH));
return_ACPI_STATUS(AE_NO_MEMORY);
@ -159,7 +159,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address)
ACPI_EBDA_WINDOW_SIZE);
if (!table_ptr) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X for length %X",
"Could not map memory at 0x%8.8X for length %u",
physical_address, ACPI_EBDA_WINDOW_SIZE));
return_ACPI_STATUS(AE_NO_MEMORY);
@ -191,7 +191,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address)
if (!table_ptr) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X for length %X",
"Could not map memory at 0x%8.8X for length %u",
ACPI_HI_RSDP_WINDOW_BASE,
ACPI_HI_RSDP_WINDOW_SIZE));

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

@ -340,7 +340,7 @@ void *acpi_ut_allocate(acpi_size size,
/* Report allocation error */
ACPI_WARNING((module, line,
"Could not allocate size %X", (u32) size));
"Could not allocate size %u", (u32) size));
return_PTR(NULL);
}

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

@ -677,16 +677,24 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
u16 reference_count;
union acpi_operand_object *next_object;
acpi_status status;
acpi_size copy_size;
/* Save fields from destination that we don't want to overwrite */
reference_count = dest_desc->common.reference_count;
next_object = dest_desc->common.next_object;
/* Copy the entire source object over the destination object */
/*
* Copy the entire source object over the destination object.
* Note: Source can be either an operand object or namespace node.
*/
copy_size = sizeof(union acpi_operand_object);
if (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_NAMED) {
copy_size = sizeof(struct acpi_namespace_node);
}
ACPI_MEMCPY((char *)dest_desc, (char *)source_desc,
sizeof(union acpi_operand_object));
ACPI_MEMCPY(ACPI_CAST_PTR(char, dest_desc),
ACPI_CAST_PTR(char, source_desc), copy_size);
/* Restore the saved fields */

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

@ -434,7 +434,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
default:
ACPI_ERROR((AE_INFO, "Unknown action (%X)", action));
ACPI_ERROR((AE_INFO, "Unknown action (0x%X)", action));
break;
}
@ -444,8 +444,8 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action)
*/
if (count > ACPI_MAX_REFERENCE_COUNT) {
ACPI_WARNING((AE_INFO,
"Large Reference Count (%X) in object %p", count,
object));
"Large Reference Count (0x%X) in object %p",
count, object));
}
}

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

@ -307,7 +307,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
prefix_node, path, AE_TYPE);
ACPI_ERROR((AE_INFO,
"Type returned from %s was incorrect: %s, expected Btypes: %X",
"Type returned from %s was incorrect: %s, expected Btypes: 0x%X",
path,
acpi_ut_get_object_type_name(info->return_object),
expected_return_btypes));

1
drivers/acpi/acpica/utglobal.c
View File

@ -785,6 +785,7 @@ acpi_status acpi_ut_init_globals(void)
/* Miscellaneous variables */
acpi_gbl_DSDT = NULL;
acpi_gbl_cm_single_step = FALSE;
acpi_gbl_db_terminate_threads = FALSE;
acpi_gbl_shutdown = FALSE;

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

@ -205,7 +205,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
/* Guard against multiple allocations of ID to the same location */
if (*owner_id) {
ACPI_ERROR((AE_INFO, "Owner ID [%2.2X] already exists",
ACPI_ERROR((AE_INFO, "Owner ID [0x%2.2X] already exists",
*owner_id));
return_ACPI_STATUS(AE_ALREADY_EXISTS);
}
@ -315,7 +315,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
/* Zero is not a valid owner_iD */
if (owner_id == 0) {
ACPI_ERROR((AE_INFO, "Invalid OwnerId: %2.2X", owner_id));
ACPI_ERROR((AE_INFO, "Invalid OwnerId: 0x%2.2X", owner_id));
return_VOID;
}
@ -341,7 +341,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
acpi_gbl_owner_id_mask[index] ^= bit;
} else {
ACPI_ERROR((AE_INFO,
"Release of non-allocated OwnerId: %2.2X",
"Release of non-allocated OwnerId: 0x%2.2X",
owner_id + 1));
}

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

@ -258,7 +258,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
} else {
ACPI_EXCEPTION((AE_INFO, status,
"Thread %p could not acquire Mutex [%X]",
"Thread %p could not acquire Mutex [0x%X]",
ACPI_CAST_PTR(void, this_thread_id), mutex_id));
}
@ -297,7 +297,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
*/
if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
ACPI_ERROR((AE_INFO,
"Mutex [%X] is not acquired, cannot release",
"Mutex [0x%X] is not acquired, cannot release",
mutex_id));
return (AE_NOT_ACQUIRED);

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

@ -251,7 +251,7 @@ union acpi_operand_object *acpi_ut_create_buffer_object(acpi_size buffer_size)
buffer = ACPI_ALLOCATE_ZEROED(buffer_size);
if (!buffer) {
ACPI_ERROR((AE_INFO, "Could not allocate size %X",
ACPI_ERROR((AE_INFO, "Could not allocate size %u",
(u32) buffer_size));
acpi_ut_remove_reference(buffer_desc);
return_PTR(NULL);
@ -303,7 +303,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
*/
string = ACPI_ALLOCATE_ZEROED(string_size + 1);
if (!string) {
ACPI_ERROR((AE_INFO, "Could not allocate size %X",
ACPI_ERROR((AE_INFO, "Could not allocate size %u",
(u32) string_size));
acpi_ut_remove_reference(string_desc);
return_PTR(NULL);
@ -533,7 +533,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
*/
ACPI_ERROR((AE_INFO,
"Cannot convert to external object - "
"unsupported Reference Class [%s] %X in object %p",
"unsupported Reference Class [%s] 0x%X in object %p",
acpi_ut_get_reference_name(internal_object),
internal_object->reference.class,
internal_object));
@ -545,7 +545,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
default:
ACPI_ERROR((AE_INFO, "Cannot convert to external object - "
"unsupported type [%s] %X in object %p",
"unsupported type [%s] 0x%X in object %p",
acpi_ut_get_object_type_name(internal_object),
internal_object->common.type, internal_object));
status = AE_TYPE;

44
drivers/acpi/bus.c
View File

@ -69,6 +69,44 @@ static struct dmi_system_id __cpuinitdata power_nocheck_dmi_table[] = {
};
#ifdef CONFIG_X86
static int set_copy_dsdt(const struct dmi_system_id *id)
{
printk(KERN_NOTICE "%s detected - "
"force copy of DSDT to local memory\n", id->ident);
acpi_gbl_copy_dsdt_locally = 1;
return 0;
}
static struct dmi_system_id dsdt_dmi_table[] __initdata = {
/*
* Insyde BIOS on some TOSHIBA machines corrupt the DSDT.
* https://bugzilla.kernel.org/show_bug.cgi?id=14679
*/
{
.callback = set_copy_dsdt,
.ident = "TOSHIBA Satellite A505",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A505"),
},
},
{
.callback = set_copy_dsdt,
.ident = "TOSHIBA Satellite L505D",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L505D"),
},
},
{}
};
#else
static struct dmi_system_id dsdt_dmi_table[] __initdata = {
{}
};
#endif
/* --------------------------------------------------------------------------
Device Management
-------------------------------------------------------------------------- */
@ -813,6 +851,12 @@ void __init acpi_early_init(void)
acpi_gbl_permanent_mmap = 1;
/*
* If the machine falls into the DMI check table,
* DSDT will be copied to memory
*/
dmi_check_system(dsdt_dmi_table);
status = acpi_reallocate_root_table();
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX

2
drivers/acpi/scan.c
View File

@ -765,7 +765,7 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
}
status = acpi_get_gpe_status(NULL, device->wakeup.gpe_number,
ACPI_NOT_ISR, &event_status);
&event_status);
if (status == AE_OK)
device->wakeup.flags.run_wake =
!!(event_status & ACPI_EVENT_FLAG_HANDLE);

5
drivers/acpi/system.c
View File

@ -303,8 +303,7 @@ static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
"Invalid GPE 0x%x\n", index));
goto end;
}
result = acpi_get_gpe_status(*handle, index,
ACPI_NOT_ISR, status);
result = acpi_get_gpe_status(*handle, index, status);
} else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS))
result = acpi_get_event_status(index - num_gpes, status);
@ -395,7 +394,7 @@ static ssize_t counter_set(struct kobject *kobj,
result = acpi_set_gpe(handle, index, ACPI_GPE_ENABLE);
else if (!strcmp(buf, "clear\n") &&
(status & ACPI_EVENT_FLAG_SET))
result = acpi_clear_gpe(handle, index, ACPI_NOT_ISR);
result = acpi_clear_gpe(handle, index);
else
all_counters[index].count = strtoul(buf, NULL, 0);
} else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {

2
include/acpi/acexcep.h
View File

@ -87,7 +87,7 @@
#define AE_NO_GLOBAL_LOCK (acpi_status) (0x0017 | AE_CODE_ENVIRONMENTAL)
#define AE_ABORT_METHOD (acpi_status) (0x0018 | AE_CODE_ENVIRONMENTAL)
#define AE_SAME_HANDLER (acpi_status) (0x0019 | AE_CODE_ENVIRONMENTAL)
#define AE_WAKE_ONLY_GPE (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
#define AE_NO_HANDLER (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
#define AE_OWNER_ID_LIMIT (acpi_status) (0x001B | AE_CODE_ENVIRONMENTAL)
#define AE_CODE_ENV_MAX 0x001B

2
include/acpi/acoutput.h
View File

@ -206,6 +206,7 @@
#define ACPI_WARNING(plist) acpi_warning plist
#define ACPI_EXCEPTION(plist) acpi_exception plist
#define ACPI_ERROR(plist) acpi_error plist
#define ACPI_DEBUG_OBJECT(obj,l,i) acpi_ex_do_debug_object(obj,l,i)
#else
@ -215,6 +216,7 @@
#define ACPI_WARNING(plist)
#define ACPI_EXCEPTION(plist)
#define ACPI_ERROR(plist)
#define ACPI_DEBUG_OBJECT(obj,l,i)
#endif /* ACPI_NO_ERROR_MESSAGES */

4
include/acpi/acpiosxf.h
View File

@ -233,8 +233,8 @@ acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
* Interim function needed for PCI IRQ routing
*/
void
acpi_os_derive_pci_id(acpi_handle rhandle,
acpi_handle chandle, struct acpi_pci_id **pci_id);
acpi_os_derive_pci_id(acpi_handle device,
acpi_handle region, struct acpi_pci_id **pci_id);
/*
* Miscellaneous

45
include/acpi/acpixf.h
View File

@ -47,7 +47,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
#define ACPI_CA_VERSION 0x20100121
#define ACPI_CA_VERSION 0x20100428
#include "actypes.h"
#include "actbl.h"
@ -67,6 +67,8 @@ extern u8 acpi_gbl_leave_wake_gpes_disabled;
extern u8 acpi_gbl_use_default_register_widths;
extern acpi_name acpi_gbl_trace_method_name;
extern u32 acpi_gbl_trace_flags;
extern u8 acpi_gbl_enable_aml_debug_object;
extern u8 acpi_gbl_copy_dsdt_locally;
extern u32 acpi_current_gpe_count;
extern struct acpi_table_fadt acpi_gbl_FADT;
@ -164,7 +166,7 @@ acpi_get_devices(const char *HID,
void *context, void **return_value);
acpi_status
acpi_get_name(acpi_handle handle,
acpi_get_name(acpi_handle object,
u32 name_type, struct acpi_buffer *ret_path_ptr);
acpi_status
@ -172,14 +174,12 @@ acpi_get_handle(acpi_handle parent,
acpi_string pathname, acpi_handle * ret_handle);
acpi_status
acpi_attach_data(acpi_handle obj_handle,
acpi_object_handler handler, void *data);
acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
acpi_status
acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler);
acpi_status
acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data);
acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
acpi_status
acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
@ -201,7 +201,7 @@ acpi_evaluate_object_typed(acpi_handle object,
acpi_object_type return_type);
acpi_status
acpi_get_object_info(acpi_handle handle,
acpi_get_object_info(acpi_handle object,
struct acpi_device_info **return_buffer);
acpi_status acpi_install_method(u8 *buffer);
@ -283,16 +283,17 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
*/
acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action);
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 type);
acpi_status
acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type);
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 type);
acpi_status
acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type);
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number);
acpi_status
acpi_get_gpe_status(acpi_handle gpe_device,
u32 gpe_number,
u32 flags, acpi_event_status * event_status);
u32 gpe_number, acpi_event_status *event_status);
acpi_status acpi_disable_all_gpes(void);
@ -315,33 +316,29 @@ acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
void *context);
acpi_status
acpi_get_vendor_resource(acpi_handle device_handle,
acpi_get_vendor_resource(acpi_handle device,
char *name,
struct acpi_vendor_uuid *uuid,
struct acpi_buffer *ret_buffer);
acpi_status
acpi_get_current_resources(acpi_handle device_handle,
struct acpi_buffer *ret_buffer);
acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_get_possible_resources(acpi_handle device_handle,
struct acpi_buffer *ret_buffer);
acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
#endif
acpi_status
acpi_walk_resources(acpi_handle device_handle,
acpi_walk_resources(acpi_handle device,
char *name,
acpi_walk_resource_callback user_function, void *context);
acpi_status
acpi_set_current_resources(acpi_handle device_handle,
struct acpi_buffer *in_buffer);
acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
acpi_status
acpi_get_irq_routing_table(acpi_handle bus_device_handle,
struct acpi_buffer *ret_buffer);
acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
acpi_status
acpi_resource_to_address64(struct acpi_resource *resource,

27
include/acpi/actbl2.h
View File

@ -69,6 +69,7 @@
#define ACPI_SIG_IBFT "IBFT" /* i_sCSI Boot Firmware Table */
#define ACPI_SIG_IVRS "IVRS" /* I/O Virtualization Reporting Structure */
#define ACPI_SIG_MCFG "MCFG" /* PCI Memory Mapped Configuration table */
#define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */
#define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */
#define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */
#define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */
@ -677,6 +678,32 @@ struct acpi_mcfg_allocation {
u32 reserved;
};
/*******************************************************************************
*
* MCHI - Management Controller Host Interface Table
* Version 1
*
* Conforms to "Management Component Transport Protocol (MCTP) Host
* Interface Specification", Revision 1.0.0a, October 13, 2009
*
******************************************************************************/
struct acpi_table_mchi {
struct acpi_table_header header; /* Common ACPI table header */
u8 interface_type;
u8 protocol;
u64 protocol_data;
u8 interrupt_type;
u8 gpe;
u8 pci_device_flag;
u32 global_interrupt;
struct acpi_generic_address control_register;
u8 pci_segment;
u8 pci_bus;
u8 pci_device;
u8 pci_function;
};
/*******************************************************************************
*
* SPCR - Serial Port Console Redirection table

44
include/acpi/actypes.h
View File

@ -663,44 +663,42 @@ typedef u32 acpi_event_status;
#define ACPI_GPE_MAX 0xFF
#define ACPI_NUM_GPE 256
/* Actions for acpi_set_gpe */
#define ACPI_GPE_ENABLE 0
#define ACPI_GPE_DISABLE 1
/* gpe_types for acpi_enable_gpe and acpi_disable_gpe */
#define ACPI_GPE_TYPE_WAKE (u8) 0x01
#define ACPI_GPE_TYPE_RUNTIME (u8) 0x02
#define ACPI_GPE_TYPE_WAKE_RUN (u8) 0x03
/*
* GPE info flags - Per GPE
* +-+-+-+---+-+-+-+
* |7|6|5|4:3|2|1|0|
* +-+-+-+---+-+-+-+
* | | | | | | |
* | | | | | | +--- Interrupt type: Edge or Level Triggered
* | | | | | +--- GPE can wake the system
* | | | | +--- Unused
* | | | +--- Type of dispatch -- to method, handler, or none
* | | +--- Unused
* | +--- Unused
* +--- Unused
* +-------+---+-+-+
* | 7:4 |3:2|1|0|
* +-------+---+-+-+
* | | | |
* | | | +--- Interrupt type: edge or level triggered
* | | +----- GPE can wake the system
* | +-------- Type of dispatch:to method, handler, or none
* +-------------- <Reserved>
*/
#define ACPI_GPE_XRUPT_TYPE_MASK (u8) 0x01
#define ACPI_GPE_LEVEL_TRIGGERED (u8) 0x01
#define ACPI_GPE_EDGE_TRIGGERED (u8) 0x00
#define ACPI_GPE_TYPE_MASK (u8) 0x06
#define ACPI_GPE_TYPE_WAKE_RUN (u8) 0x06
#define ACPI_GPE_TYPE_WAKE (u8) 0x02
#define ACPI_GPE_TYPE_RUNTIME (u8) 0x04 /* Default */
#define ACPI_GPE_CAN_WAKE (u8) 0x02
#define ACPI_GPE_DISPATCH_MASK (u8) 0x18
#define ACPI_GPE_DISPATCH_HANDLER (u8) 0x08
#define ACPI_GPE_DISPATCH_METHOD (u8) 0x10
#define ACPI_GPE_DISPATCH_NOT_USED (u8) 0x00 /* Default */
#define ACPI_GPE_DISPATCH_MASK (u8) 0x0C
#define ACPI_GPE_DISPATCH_HANDLER (u8) 0x04
#define ACPI_GPE_DISPATCH_METHOD (u8) 0x08
#define ACPI_GPE_DISPATCH_NOT_USED (u8) 0x00
/*
* Flags for GPE and Lock interfaces
*/
#define ACPI_EVENT_WAKE_ENABLE 0x2 /* acpi_gpe_enable */
#define ACPI_EVENT_WAKE_DISABLE 0x2 /* acpi_gpe_disable */
#define ACPI_NOT_ISR 0x1
#define ACPI_ISR 0x0
@ -953,7 +951,7 @@ acpi_status(*acpi_adr_space_setup) (acpi_handle region_handle,
#define ACPI_REGION_DEACTIVATE 1
typedef
acpi_status(*acpi_walk_callback) (acpi_handle obj_handle,
acpi_status(*acpi_walk_callback) (acpi_handle object,
u32 nesting_level,
void *context, void **return_value);