apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (27 commits)
  ACPI / ACPICA: Simplify acpi_ev_initialize_gpe_block()
  ACPI / ACPICA: Fail acpi_gpe_wakeup() if ACPI_GPE_CAN_WAKE is unset
  ACPI / ACPICA: Do not execute _PRW methods during initialization
  ACPI: Fix bogus GPE test in acpi_bus_set_run_wake_flags()
  ACPICA: Update version to 20100702
  ACPICA: Fix for Alias references within Package objects
  ACPICA: Fix lint warning for 64-bit constant
  ACPICA: Remove obsolete GPE function
  ACPICA: Update debug output components
  ACPICA: Add support for WDDT - Watchdog Descriptor Table
  ACPICA: Drop acpi_set_gpe
  ACPICA: Use low-level GPE enable during GPE block initialization
  ACPI / EC: Do not use acpi_set_gpe
  ACPI / EC: Drop suspend and resume routines
  ACPICA: Remove wakeup GPE reference counting which is not used
  ACPICA: Introduce acpi_gpe_wakeup()
  ACPICA: Rename acpi_hw_gpe_register_bit
  ACPICA: Update version to 20100528
  ACPICA: Add signatures for undefined tables: ATKG, GSCI, IEIT
  ACPICA: Optimization: Reduce the number of namespace walks
  ...
This commit is contained in:
Linus Torvalds
2010-08-07 17:08:30 -07:00
parent 3cc08fc35d a0d468718b
commit 9e50ab91d0
53 changed files with 471 additions and 896 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/acpi/acpica/acevents.h
+3 -1
View File
@@ -78,7 +78,9 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
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);
acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info);
acpi_status acpi_ev_enable_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);
drivers/acpi/acpica/acglobal.h
-7
View File
@@ -99,13 +99,6 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
/*
* Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
* RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
* be enabled just before going to sleep.
*/
u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
/*
* Optionally use default values for the ACPI register widths. Set this to
* TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
drivers/acpi/acpica/achware.h
+1 -4
View File
@@ -90,15 +90,12 @@ acpi_status acpi_hw_write_port(acpi_io_address address, u32 value, u32 width);
/*
* hwgpe - GPE support
*/
u32 acpi_hw_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
u32 acpi_hw_get_gpe_register_bit(struct acpi_gpe_event_info *gpe_event_info,
struct acpi_gpe_register_info *gpe_register_info);
acpi_status
acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action);
acpi_status
acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info);
acpi_status
acpi_hw_disable_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block, void *context);
drivers/acpi/acpica/aclocal.h
+3 -3
View File
@@ -184,8 +184,9 @@ struct acpi_namespace_node {
u8 flags; /* Miscellaneous flags */
acpi_owner_id owner_id; /* Node creator */
union acpi_name_union name; /* ACPI Name, always 4 chars per ACPI spec */
struct acpi_namespace_node *parent; /* Parent node */
struct acpi_namespace_node *child; /* First child */
struct acpi_namespace_node *peer; /* Peer. Parent if ANOBJ_END_OF_PEER_LIST set */
struct acpi_namespace_node *peer; /* First peer */
/*
* The following fields are used by the ASL compiler and disassembler only
@@ -199,7 +200,7 @@ struct acpi_namespace_node {
/* Namespace Node flags */
#define ANOBJ_END_OF_PEER_LIST 0x01 /* End-of-list, Peer field points to parent */
#define ANOBJ_RESERVED 0x01 /* Available for use */
#define ANOBJ_TEMPORARY 0x02 /* Node is create by a method and is temporary */
#define ANOBJ_METHOD_ARG 0x04 /* Node is a method argument */
#define ANOBJ_METHOD_LOCAL 0x08 /* Node is a method local */
@@ -428,7 +429,6 @@ struct acpi_gpe_event_info {
u8 flags; /* Misc info about this GPE */
u8 gpe_number; /* This GPE */
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 */
drivers/acpi/acpica/acnamesp.h
-7
View File
@@ -369,11 +369,4 @@ struct acpi_namespace_node *acpi_ns_validate_handle(acpi_handle handle);
void acpi_ns_terminate(void);
struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node
*node);
struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct
acpi_namespace_node
*node);
#endif /* __ACNAMESP_H__ */
drivers/acpi/acpica/acobject.h
+8 -8
View File
@@ -91,14 +91,14 @@
/* Values for Flag byte above */
#define AOPOBJ_AML_CONSTANT 0x01
#define AOPOBJ_STATIC_POINTER 0x02
#define AOPOBJ_DATA_VALID 0x04
#define AOPOBJ_OBJECT_INITIALIZED 0x08
#define AOPOBJ_SETUP_COMPLETE 0x10
#define AOPOBJ_SINGLE_DATUM 0x20
#define AOPOBJ_INVALID 0x40 /* Used if host OS won't allow an op_region address */
#define AOPOBJ_MODULE_LEVEL 0x80
#define AOPOBJ_AML_CONSTANT 0x01 /* Integer is an AML constant */
#define AOPOBJ_STATIC_POINTER 0x02 /* Data is part of an ACPI table, don't delete */
#define AOPOBJ_DATA_VALID 0x04 /* Object is intialized and data is valid */
#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */
#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */
#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */
#define AOPOBJ_MODULE_LEVEL 0x40 /* Method is actually module-level code */
#define AOPOBJ_MODIFIED_NAMESPACE 0x80 /* Method modified the namespace */
/******************************************************************************
*
drivers/acpi/acpica/acpredef.h
+7 -6
View File
@@ -503,15 +503,16 @@ static const union acpi_predefined_info predefined_names[] =
{{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}},
{{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */
{{{0,0,0,0}, 0,0}} /* Table terminator */
/* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */
{{"_WDG", 0, ACPI_RTYPE_BUFFER}},
{{"_WED", 1,
ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}},
{{{0, 0, 0, 0}, 0, 0}} /* Table terminator */
};
#if 0
/* Not implemented */
{{"_WDG", 0, ACPI_RTYPE_BUFFER}}, /* MS Extension */
{{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */
/* This is an internally implemented control method, no need to check */
{{"_OSI", 1, ACPI_RTYPE_INTEGER}},
drivers/acpi/acpica/acstruct.h
+16 -16
View File
@@ -127,22 +127,22 @@ struct acpi_walk_state {
acpi_parse_upwards ascending_callback;
};
/* Info used by acpi_ps_init_objects */
/* Info used by acpi_ns_initialize_objects and acpi_ds_initialize_objects */
struct acpi_init_walk_info {
u16 method_count;
u16 device_count;
u16 op_region_count;
u16 field_count;
u16 buffer_count;
u16 package_count;
u16 op_region_init;
u16 field_init;
u16 buffer_init;
u16 package_init;
u16 object_count;
acpi_owner_id owner_id;
u32 table_index;
u32 object_count;
u32 method_count;
u32 device_count;
u32 op_region_count;
u32 field_count;
u32 buffer_count;
u32 package_count;
u32 op_region_init;
u32 field_init;
u32 buffer_init;
u32 package_init;
acpi_owner_id owner_id;
};
struct acpi_get_devices_info {
@@ -201,11 +201,11 @@ struct acpi_evaluate_info {
/* Info used by acpi_ns_initialize_devices */
struct acpi_device_walk_info {
u16 device_count;
u16 num_STA;
u16 num_INI;
struct acpi_table_desc *table_desc;
struct acpi_evaluate_info *evaluate_info;
u32 device_count;
u32 num_STA;
u32 num_INI;
};
/* TBD: [Restructure] Merge with struct above */
drivers/acpi/acpica/dsinit.c
+7 -7
View File
@@ -171,12 +171,12 @@ acpi_ds_initialize_objects(u32 table_index,
"**** Starting initialization of namespace objects ****\n"));
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
info.method_count = 0;
info.op_region_count = 0;
info.object_count = 0;
info.device_count = 0;
info.table_index = table_index;
/* Set all init info to zero */
ACPI_MEMSET(&info, 0, sizeof(struct acpi_init_walk_info));
info.owner_id = owner_id;
info.table_index = table_index;
/* Walk entire namespace from the supplied root */
@@ -204,13 +204,13 @@ acpi_ds_initialize_objects(u32 table_index,
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
"\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
"\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
table->signature, owner_id, info.object_count,
info.device_count, info.method_count,
info.op_region_count));
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"%hd Methods, %hd Regions\n", info.method_count,
"%u Methods, %u Regions\n", info.method_count,
info.op_region_count));
return_ACPI_STATUS(AE_OK);
drivers/acpi/acpica/dsmethod.c
+17 -3
View File
@@ -584,8 +584,22 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
* want make the objects permanent.
*/
if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
acpi_ns_delete_namespace_by_owner(method_desc->method.
owner_id);
/* Delete any direct children of (created by) this method */
acpi_ns_delete_namespace_subtree(walk_state->
method_node);
/*
* Delete any objects that were created by this method
* elsewhere in the namespace (if any were created).
*/
if (method_desc->method.
flags & AOPOBJ_MODIFIED_NAMESPACE) {
acpi_ns_delete_namespace_by_owner(method_desc->
method.
owner_id);
}
}
}
@@ -605,7 +619,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
* we immediately reuse it for the next thread executing this method
*/
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"*** Completed execution of one thread, %d threads remaining\n",
"*** Completed execution of one thread, %u threads remaining\n",
method_desc->method.thread_count));
} else {
/* This is the only executing thread for this method */
drivers/acpi/acpica/dsmthdat.c
+7 -9
View File
@@ -102,8 +102,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
walk_state->arguments[i].name.integer |= (i << 24);
walk_state->arguments[i].descriptor_type = ACPI_DESC_TYPE_NAMED;
walk_state->arguments[i].type = ACPI_TYPE_ANY;
walk_state->arguments[i].flags =
ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG;
walk_state->arguments[i].flags = ANOBJ_METHOD_ARG;
}
/* Init the method locals */
@@ -116,8 +115,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state)
walk_state->local_variables[i].descriptor_type =
ACPI_DESC_TYPE_NAMED;
walk_state->local_variables[i].type = ACPI_TYPE_ANY;
walk_state->local_variables[i].flags =
ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL;
walk_state->local_variables[i].flags = ANOBJ_METHOD_LOCAL;
}
return_VOID;
@@ -146,7 +144,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
for (index = 0; index < ACPI_METHOD_NUM_LOCALS; index++) {
if (walk_state->local_variables[index].object) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%d=%p\n",
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Local%u=%p\n",
index,
walk_state->local_variables[index].
object));
@@ -162,7 +160,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state)
for (index = 0; index < ACPI_METHOD_NUM_ARGS; index++) {
if (walk_state->arguments[index].object) {
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%d=%p\n",
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Deleting Arg%u=%p\n",
index,
walk_state->arguments[index].object));
@@ -226,7 +224,7 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params,
index++;
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%d args passed to method\n", index));
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%u args passed to method\n", index));
return_ACPI_STATUS(AE_OK);
}
@@ -323,7 +321,7 @@ acpi_ds_method_data_set_value(u8 type,
ACPI_FUNCTION_TRACE(ds_method_data_set_value);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"NewObj %p Type %2.2X, Refs=%d [%s]\n", object,
"NewObj %p Type %2.2X, Refs=%u [%s]\n", object,
type, object->common.reference_count,
acpi_ut_get_type_name(object->common.type)));
@@ -543,7 +541,7 @@ acpi_ds_store_object_to_local(u8 type,
union acpi_operand_object *new_obj_desc;
ACPI_FUNCTION_TRACE(ds_store_object_to_local);
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%d Obj=%p\n",
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Type=%2.2X Index=%u Obj=%p\n",
type, index, obj_desc));
/* Parameter validation */
drivers/acpi/acpica/dsobject.c
+15 -1
View File
@@ -81,6 +81,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
{
union acpi_operand_object *obj_desc;
acpi_status status;
acpi_object_type type;
ACPI_FUNCTION_TRACE(ds_build_internal_object);
@@ -172,7 +173,20 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
switch (op->common.node->type) {
/*
* Special handling for Alias objects. We need to setup the type
* and the Op->Common.Node to point to the Alias target. Note,
* Alias has at most one level of indirection internally.
*/
type = op->common.node->type;
if (type == ACPI_TYPE_LOCAL_ALIAS) {
type = obj_desc->common.type;
op->common.node =
ACPI_CAST_PTR(struct acpi_namespace_node,
op->common.node->object);
}
switch (type) {
/*
* For these types, we need the actual node, not the subobject.
* However, the subobject did not get an extra reference count above.
drivers/acpi/acpica/dsopcode.c
+3 -3
View File
@@ -213,7 +213,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
/* Execute the AML code for the term_arg arguments */
status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
return_ACPI_STATUS(status);
@@ -257,7 +257,7 @@ acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
/* Execute the AML code for the term_arg arguments */
status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
return_ACPI_STATUS(status);
@@ -394,7 +394,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
/* Execute the argument AML */
status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
if (ACPI_FAILURE(status)) {
drivers/acpi/acpica/dsutils.c
+2 -2
View File
@@ -746,7 +746,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
index--;
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"Arg #%d (%p) done, Arg1=%p\n", index, arg,
"Arg #%u (%p) done, Arg1=%p\n", index, arg,
first_arg));
}
@@ -760,7 +760,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
*/
acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %d", index));
ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
return_ACPI_STATUS(status);
}
drivers/acpi/acpica/evevent.c
+2 -3
View File
@@ -102,9 +102,8 @@ acpi_status acpi_ev_initialize_events(void)
* RETURN: Status
*
* DESCRIPTION: Completes initialization of the FADT-defined GPE blocks
* (0 and 1). This causes the _PRW methods to be run, so the HW
* must be fully initialized at this point, including global lock
* support.
* (0 and 1). The HW must be fully initialized at this point,
* including global lock support.
*
******************************************************************************/
drivers/acpi/acpica/evgpe.c
+55 -16
View File
@@ -54,51 +54,86 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context);
/*******************************************************************************
*
* FUNCTION: acpi_ev_update_gpe_enable_masks
* FUNCTION: acpi_ev_update_gpe_enable_mask
*
* PARAMETERS: gpe_event_info - GPE to update
*
* RETURN: Status
*
* DESCRIPTION: Updates GPE register enable masks based upon whether there are
* references (either wake or run) to this GPE
* DESCRIPTION: Updates GPE register enable mask based upon whether there are
* runtime references to this GPE
*
******************************************************************************/
acpi_status
acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info)
acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
u32 register_bit;
ACPI_FUNCTION_TRACE(ev_update_gpe_enable_masks);
ACPI_FUNCTION_TRACE(ev_update_gpe_enable_mask);
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
return_ACPI_STATUS(AE_NOT_EXIST);
}
register_bit = acpi_hw_gpe_register_bit(gpe_event_info,
register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info,
gpe_register_info);
/* Clear the wake/run bits up front */
/* Clear the run bit up front */
ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake, register_bit);
ACPI_CLEAR_BIT(gpe_register_info->enable_for_run, register_bit);
/* Set the mask bits only if there are references to this GPE */
/* Set the mask bit only if there are references to this GPE */
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);
ACPI_SET_BIT(gpe_register_info->enable_for_run, (u8)register_bit);
}
return_ACPI_STATUS(AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ev_enable_gpe
*
* PARAMETERS: gpe_event_info - GPE to enable
*
* RETURN: Status
*
* DESCRIPTION: Clear the given GPE from stale events and enable it.
*
******************************************************************************/
acpi_status
acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
{
acpi_status status;
ACPI_FUNCTION_TRACE(ev_enable_gpe);
/*
* 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);
}
/* Clear the GPE (of stale events) */
status = acpi_hw_clear_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Enable the requested GPE */
status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
@@ -417,8 +452,12 @@ static void acpi_ev_asynch_enable_gpe(void *context)
}
}
/* Enable this GPE */
(void)acpi_hw_write_gpe_enable_reg(gpe_event_info);
/*
* Enable this GPE, conditionally. This means that the GPE will only be
* physically enabled if the enable_for_run bit is set in the event_info
*/
(void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE);
return_VOID;
}
drivers/acpi/acpica/evgpeblk.c
+13 -57
View File
@@ -439,8 +439,6 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
{
acpi_status status;
struct acpi_gpe_event_info *gpe_event_info;
struct acpi_gpe_walk_info walk_info;
u32 wake_gpe_count;
u32 gpe_enabled_count;
u32 gpe_index;
u32 gpe_number;
@@ -456,37 +454,9 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
}
/*
* Runtime option: Should wake GPEs be enabled at runtime? The default
* is no, they should only be enabled just as the machine goes to sleep.
* Enable all GPEs that have a corresponding method. Any other GPEs
* within this block must be enabled via the acpi_enable_gpe interface.
*/
if (acpi_gbl_leave_wake_gpes_disabled) {
/*
* Differentiate runtime vs wake GPEs, via the _PRW control methods.
* Each GPE that has one or more _PRWs that reference it is by
* definition a wake GPE and will not be enabled while the machine
* is running.
*/
walk_info.gpe_block = gpe_block;
walk_info.gpe_device = gpe_device;
walk_info.execute_by_owner_id = FALSE;
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,
&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 are not
* capable of generating wakeups. Any other GPEs within this block
* 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) {
@@ -502,35 +472,21 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
gpe_event_info = &gpe_block->event_info[gpe_index];
gpe_number = gpe_index + gpe_block->block_base_number;
/*
* If the GPE has already been enabled for runtime
* signaling, make sure it remains enabled, but do not
* increment its reference counter.
*/
if (gpe_event_info->runtime_count) {
acpi_set_gpe(gpe_device, gpe_number,
ACPI_GPE_ENABLE);
gpe_enabled_count++;
continue;
}
if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
wake_gpe_count++;
if (acpi_gbl_leave_wake_gpes_disabled) {
continue;
}
}
/* Ignore GPEs that have no corresponding _Lxx/_Exx method */
if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)) {
continue;
}
/* Enable this GPE */
/*
* If the GPE has already been enabled for runtime
* signaling, make sure it remains enabled, but do not
* increment its reference counter.
*/
status = gpe_event_info->runtime_count ?
acpi_ev_enable_gpe(gpe_event_info) :
acpi_enable_gpe(gpe_device, gpe_number);
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",
@@ -542,10 +498,10 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
}
}
if (gpe_enabled_count || wake_gpe_count) {
if (gpe_enabled_count) {
ACPI_DEBUG_PRINT((ACPI_DB_INIT,
"Enabled %u Runtime GPEs, added %u Wake GPEs in this block\n",
gpe_enabled_count, wake_gpe_count));
"Enabled %u GPEs in this block\n",
gpe_enabled_count));
}
return_ACPI_STATUS(AE_OK);
drivers/acpi/acpica/evgpeinit.c
+17 -219
View File
@@ -211,9 +211,7 @@ acpi_status acpi_ev_gpe_initialize(void)
* 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.
* enable and runtime GPEs that are associated with them.
*
******************************************************************************/
@@ -223,49 +221,12 @@ void acpi_ev_update_gpes(acpi_owner_id table_owner_id)
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.
* Any GPEs that correspond to new _Lxx/_Exx methods are immediately
* enabled.
*
* Examine the namespace underneath each gpe_device within the
* gpe_block lists.
@@ -275,6 +236,8 @@ void acpi_ev_update_gpes(acpi_owner_id table_owner_id)
return;
}
walk_info.owner_id = table_owner_id;
walk_info.execute_by_owner_id = TRUE;
walk_info.count = 0;
walk_info.enable_this_gpe = TRUE;
@@ -307,10 +270,8 @@ void acpi_ev_update_gpes(acpi_owner_id table_owner_id)
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));
if (walk_info.count) {
ACPI_INFO((AE_INFO, "Enabled %u new GPEs", walk_info.count));
}
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
@@ -386,9 +347,6 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
/*
* 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':
@@ -471,24 +429,18 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
*/
if (walk_info->enable_this_gpe) {
/* Ignore GPEs that can wake the system */
walk_info->count++;
gpe_device = walk_info->gpe_device;
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;
}
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));
}
status = acpi_enable_gpe(gpe_device, gpe_number);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
"Could not enable GPE 0x%02X",
gpe_number));
}
}
@@ -497,157 +449,3 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
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);
}
drivers/acpi/acpica/evrgnini.c
+5 -5
View File
@@ -199,7 +199,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
return_ACPI_STATUS(status);
}
parent_node = acpi_ns_get_parent_node(region_obj->region.node);
parent_node = region_obj->region.node->parent;
/*
* Get the _SEG and _BBN values from the device upon which the handler
@@ -248,7 +248,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
break;
}
pci_root_node = acpi_ns_get_parent_node(pci_root_node);
pci_root_node = pci_root_node->parent;
}
/* PCI root bridge not found, use namespace root node */
@@ -280,7 +280,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle,
*/
pci_device_node = region_obj->region.node;
while (pci_device_node && (pci_device_node->type != ACPI_TYPE_DEVICE)) {
pci_device_node = acpi_ns_get_parent_node(pci_device_node);
pci_device_node = pci_device_node->parent;
}
if (!pci_device_node) {
@@ -521,7 +521,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
return_ACPI_STATUS(AE_NOT_EXIST);
}
node = acpi_ns_get_parent_node(region_obj->region.node);
node = region_obj->region.node->parent;
space_id = region_obj->region.space_id;
/* Setup defaults */
@@ -654,7 +654,7 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
/* This node does not have the handler we need; Pop up one level */
node = acpi_ns_get_parent_node(node);
node = node->parent;
}
/* If we get here, there is no handler for this region */
drivers/acpi/acpica/evxfevnt.c
+104 -145
View File
@@ -213,101 +213,71 @@ ACPI_EXPORT_SYMBOL(acpi_enable_event)
/*******************************************************************************
*
* FUNCTION: acpi_clear_and_enable_gpe
*
* PARAMETERS: gpe_event_info - GPE to enable
*
* RETURN: Status
*
* DESCRIPTION: Clear the given GPE from stale events and enable it.
*
******************************************************************************/
static acpi_status
acpi_clear_and_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
{
acpi_status status;
/*
* 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);
}
/* Clear the GPE (of stale events) */
status = acpi_hw_clear_gpe(gpe_event_info);
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Enable the requested GPE */
status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
return_ACPI_STATUS(status);
}
/*******************************************************************************
*
* FUNCTION: acpi_set_gpe
* FUNCTION: acpi_gpe_wakeup
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* action - ACPI_GPE_ENABLE or ACPI_GPE_DISABLE
* Action - Enable or Disable
*
* RETURN: Status
*
* 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.
* DESCRIPTION: Set or clear the GPE's wakeup enable mask bit.
*
******************************************************************************/
acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
acpi_status status;
struct acpi_gpe_register_info *gpe_register_info;
acpi_cpu_flags flags;
u32 register_bit;
ACPI_FUNCTION_TRACE(acpi_set_gpe);
ACPI_FUNCTION_TRACE(acpi_gpe_wakeup);
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);
if (!gpe_event_info) {
if (!gpe_event_info || !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
}
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
status = AE_NOT_EXIST;
goto unlock_and_exit;
}
register_bit =
acpi_hw_get_gpe_register_bit(gpe_event_info, gpe_register_info);
/* Perform the action */
switch (action) {
case ACPI_GPE_ENABLE:
status = acpi_clear_and_enable_gpe(gpe_event_info);
ACPI_SET_BIT(gpe_register_info->enable_for_wake,
(u8)register_bit);
break;
case ACPI_GPE_DISABLE:
status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE);
ACPI_CLEAR_BIT(gpe_register_info->enable_for_wake,
(u8)register_bit);
break;
default:
ACPI_ERROR((AE_INFO, "%u, Invalid action", action));
status = AE_BAD_PARAMETER;
break;
}
unlock_and_exit:
unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return_ACPI_STATUS(status);
}
ACPI_EXPORT_SYMBOL(acpi_set_gpe)
ACPI_EXPORT_SYMBOL(acpi_gpe_wakeup)
/*******************************************************************************
*
@@ -315,17 +285,14 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe)
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* gpe_type - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
* or both
*
* RETURN: Status
*
* 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).
* hardware-enabled.
*
******************************************************************************/
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
@@ -333,12 +300,6 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
ACPI_FUNCTION_TRACE(acpi_enable_gpe);
/* 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 */
@@ -349,46 +310,19 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
goto unlock_and_exit;
}
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_update_gpe_enable_masks(gpe_event_info);
if (ACPI_SUCCESS(status)) {
status = acpi_clear_and_enable_gpe(gpe_event_info);
}
if (ACPI_FAILURE(status)) {
gpe_event_info->runtime_count--;
goto unlock_and_exit;
}
}
if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) {
status = AE_LIMIT; /* Too many references */
goto unlock_and_exit;
}
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_TYPE;
goto unlock_and_exit;
gpe_event_info->runtime_count++;
if (gpe_event_info->runtime_count == 1) {
status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
if (ACPI_SUCCESS(status)) {
status = acpi_ev_enable_gpe(gpe_event_info);
}
if (gpe_event_info->wakeup_count == ACPI_UINT8_MAX) {
status = AE_LIMIT; /* Too many references */
goto unlock_and_exit;
}
/*
* Update the enable mask on the first wakeup reference. Wake GPEs
* are only hardware-enabled just before sleeping.
*/
gpe_event_info->wakeup_count++;
if (gpe_event_info->wakeup_count == 1) {
status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
if (ACPI_FAILURE(status)) {
gpe_event_info->runtime_count--;
}
}
@@ -404,8 +338,6 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
* gpe_type - ACPI_GPE_TYPE_RUNTIME or ACPI_GPE_TYPE_WAKE
* or both
*
* RETURN: Status
*
@@ -414,7 +346,7 @@ ACPI_EXPORT_SYMBOL(acpi_enable_gpe)
* the GPE mask bit disabled (for wake GPEs)
*
******************************************************************************/
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type)
acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
@@ -422,12 +354,6 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type
ACPI_FUNCTION_TRACE(acpi_disable_gpe);
/* 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 */
@@ -440,41 +366,21 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type
/* 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_update_gpe_enable_masks(gpe_event_info);
if (ACPI_SUCCESS(status)) {
status = acpi_hw_low_set_gpe(gpe_event_info,
ACPI_GPE_DISABLE);
}
if (ACPI_FAILURE(status)) {
gpe_event_info->runtime_count++;
goto unlock_and_exit;
}
}
if (!gpe_event_info->runtime_count) {
status = AE_LIMIT; /* There are no references to remove */
goto unlock_and_exit;
}
/*
* 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->runtime_count--;
if (!gpe_event_info->runtime_count) {
status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
if (ACPI_SUCCESS(status)) {
status =
acpi_hw_low_set_gpe(gpe_event_info,
ACPI_GPE_DISABLE);
}
gpe_event_info->wakeup_count--;
if (!gpe_event_info->wakeup_count) {
status = acpi_ev_update_gpe_enable_masks(gpe_event_info);
if (ACPI_FAILURE(status)) {
gpe_event_info->runtime_count++;
}
}
@@ -484,6 +390,59 @@ unlock_and_exit:
}
ACPI_EXPORT_SYMBOL(acpi_disable_gpe)
/*******************************************************************************
*
* FUNCTION: acpi_gpe_can_wake
*
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
*
* RETURN: Status
*
* DESCRIPTION: Set the ACPI_GPE_CAN_WAKE flag for the given GPE. If the GPE
* has a corresponding method and is currently enabled, disable it
* (GPEs with corresponding methods are enabled unconditionally
* during initialization, but GPEs that can wake up are expected
* to be initially disabled).
*
******************************************************************************/
acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number)
{
acpi_status status = AE_OK;
struct acpi_gpe_event_info *gpe_event_info;
acpi_cpu_flags flags;
u8 disable = 0;
ACPI_FUNCTION_TRACE(acpi_gpe_can_wake);
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);
if (!gpe_event_info) {
status = AE_BAD_PARAMETER;
goto unlock_and_exit;
}
if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) {
goto unlock_and_exit;
}
gpe_event_info->flags |= ACPI_GPE_CAN_WAKE;
disable = (gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)
&& gpe_event_info->runtime_count;
unlock_and_exit:
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
if (disable)
status = acpi_disable_gpe(gpe_device, gpe_number);
return_ACPI_STATUS(status);
}
ACPI_EXPORT_SYMBOL(acpi_gpe_can_wake)
/*******************************************************************************
*
* FUNCTION: acpi_disable_event
@@ -800,7 +759,7 @@ acpi_install_gpe_block(acpi_handle gpe_device,
obj_desc->device.gpe_block = gpe_block;
/* Run the _PRW methods and enable the runtime GPEs in the new block */
/* Enable the runtime GPEs in the new block */
status = acpi_ev_initialize_gpe_block(node, gpe_block);

Some files were not shown because too many files have changed in this diff Show More