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| author | Len Brown <len.brown@intel.com> | 2010-08-15 00:25:40 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2010-08-15 00:25:40 -0400 |
| commit | c172cb73bc79fe69915b1a1a48e374aa4b1f8a59 (patch) | |
| tree | eb3d6415914968441c063f7282e824b14b5a5edb | |
| parent | e8eb6228094bcf0c84d9aa32b6363e78da68e1f5 (diff) | |
| parent | 28f4f8a9def2b1f3a6066bae791c77043ec49524 (diff) | |
| download | lwn-c172cb73bc79fe69915b1a1a48e374aa4b1f8a59.tar.gz lwn-c172cb73bc79fe69915b1a1a48e374aa4b1f8a59.zip | |
Merge branch 'acpica-gpe' into release
54 files changed, 570 insertions, 934 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index c3f43daa8be3..36867cd70eac 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -78,7 +78,13 @@ 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); + +acpi_status acpi_raw_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); + +acpi_status acpi_raw_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); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 92122292ef1f..1d192142c691 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -100,13 +100,6 @@ 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. */ diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index 32391588e163..120b3af56596 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -90,16 +90,13 @@ 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); diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 147a7e6bd38f..df85b53a674f 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -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 */ @@ -411,6 +412,7 @@ struct acpi_handler_info { acpi_event_handler address; /* Address of handler, if any */ void *context; /* Context to be passed to handler */ struct acpi_namespace_node *method_node; /* Method node for this GPE level (saved) */ + u8 orig_flags; /* Original misc info about this GPE */ }; union acpi_gpe_dispatch_info { @@ -428,7 +430,6 @@ 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 */ diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 258159cfcdfa..9f60ff002203 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -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__ */ diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index cde18ea82656..54857fa87aaf 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -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 */ /****************************************************************************** * diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index 97116082cb6c..10998d369ad0 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -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" */ -#if 0 - /* Not implemented */ + {{"_WDG", 0, ACPI_RTYPE_BUFFER}}, + {{"_WED", 1, + ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_BUFFER}}, - {{"_WDG", 0, ACPI_RTYPE_BUFFER}}, /* MS Extension */ - {{"_WED", 1, ACPI_RTYPE_PACKAGE}}, /* MS Extension */ + {{{0, 0, 0, 0}, 0, 0}} /* Table terminator */ +}; +#if 0 /* This is an internally implemented control method, no need to check */ {{"_OSI", 1, ACPI_RTYPE_INTEGER}}, diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index 161bc0e3d70a..6e5dd97949fe 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -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 */ diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index abe140318a74..cc4a38c57558 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -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); diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 2a9a561c2f01..64750ee96e20 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -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 */ diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c index f3d52f59250b..8095306fcd8c 100644 --- a/drivers/acpi/acpica/dsmthdat.c +++ b/drivers/acpi/acpica/dsmthdat.c @@ -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 */ diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index 3607adcaf085..8e85f54a8e0e 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -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. diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index 53a7e416f33e..7c0e74227171 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -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)) { diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 306c62ab2e88..15135c25aa9b 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -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); } diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index f5795915a2e9..303618889da0 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -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. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index 7c2c336006a1..f226eac314db 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -54,51 +54,159 @@ 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); + ACPI_SET_BIT(gpe_register_info->enable_for_run, (u8)register_bit); } - if (gpe_event_info->wakeup_count) { - ACPI_SET_BIT(gpe_register_info->enable_for_wake, 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); } - return_ACPI_STATUS(AE_OK); + /* 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_raw_enable_gpe + * + * PARAMETERS: gpe_event_info - GPE to enable + * + * RETURN: Status + * + * DESCRIPTION: Add a reference to a GPE. On the first reference, the GPE is + * hardware-enabled. + * + ******************************************************************************/ + +acpi_status acpi_raw_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) +{ + acpi_status status = AE_OK; + + if (gpe_event_info->runtime_count == ACPI_UINT8_MAX) { + return_ACPI_STATUS(AE_LIMIT); + } + + 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 (ACPI_FAILURE(status)) { + gpe_event_info->runtime_count--; + } + } + + return_ACPI_STATUS(status); } +/******************************************************************************* + * + * FUNCTION: acpi_raw_disable_gpe + * + * PARAMETERS: gpe_event_info - GPE to disable + * + * RETURN: Status + * + * DESCRIPTION: Remove a reference to a GPE. When the last reference is + * removed, the GPE is hardware-disabled. + * + ******************************************************************************/ + +acpi_status acpi_raw_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) +{ + acpi_status status = AE_OK; + + if (!gpe_event_info->runtime_count) { + return_ACPI_STATUS(AE_LIMIT); + } + + 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); + } + + if (ACPI_FAILURE(status)) { + gpe_event_info->runtime_count++; + } + } + + return_ACPI_STATUS(status); +} /******************************************************************************* * @@ -417,8 +525,12 @@ 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; } diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 341a38ce8aa6..85445fb5844e 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -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); diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index 3f6c2d26410d..3084c5de1bba 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -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); -} diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 2e3b0334072f..f40d271bf568 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -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 */ diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index 4a531cdf7942..14e48add32fa 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -691,12 +691,22 @@ acpi_install_gpe_handler(acpi_handle gpe_device, return_ACPI_STATUS(status); } + /* Allocate memory for the handler object */ + + handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info)); + if (!handler) { + status = AE_NO_MEMORY; + goto unlock_and_exit; + } + + 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; + goto free_and_exit; } /* Make sure that there isn't a handler there already */ @@ -704,24 +714,30 @@ acpi_install_gpe_handler(acpi_handle gpe_device, if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) { status = AE_ALREADY_EXISTS; - goto unlock_and_exit; + goto free_and_exit; } /* Allocate and init handler object */ - handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info)); - if (!handler) { - status = AE_NO_MEMORY; - goto unlock_and_exit; - } - handler->address = address; handler->context = context; handler->method_node = gpe_event_info->dispatch.method_node; + handler->orig_flags = gpe_event_info->flags & + (ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); + + /* + * If the GPE is associated with a method and it cannot wake up the + * system from sleep states, it was enabled automatically during + * initialization, so it has to be disabled now to avoid spurious + * execution of the handler. + */ + + if ((handler->orig_flags & ACPI_GPE_DISPATCH_METHOD) + && !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) + (void)acpi_raw_disable_gpe(gpe_event_info); /* Install the handler */ - flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); gpe_event_info->dispatch.handler = handler; /* Setup up dispatch flags to indicate handler (vs. method) */ @@ -735,6 +751,11 @@ acpi_install_gpe_handler(acpi_handle gpe_device, unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); return_ACPI_STATUS(status); + +free_and_exit: + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + ACPI_FREE(handler); + goto unlock_and_exit; } ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler) @@ -770,11 +791,17 @@ acpi_remove_gpe_handler(acpi_handle gpe_device, return_ACPI_STATUS(AE_BAD_PARAMETER); } + /* Make sure all deferred tasks are completed */ + + acpi_os_wait_events_complete(NULL); + 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 */ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); @@ -798,34 +825,34 @@ acpi_remove_gpe_handler(acpi_handle gpe_device, goto unlock_and_exit; } - /* Make sure all deferred tasks are completed */ - - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - acpi_os_wait_events_complete(NULL); - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - /* Remove the handler */ - flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); handler = gpe_event_info->dispatch.handler; /* Restore Method node (if any), set dispatch flags */ gpe_event_info->dispatch.method_node = handler->method_node; - gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; /* Clear bits */ - if (handler->method_node) { - gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD; - } - acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + gpe_event_info->flags &= + ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); + gpe_event_info->flags |= handler->orig_flags; + + /* + * If the GPE was previously associated with a method and it cannot wake + * up the system from sleep states, it should be enabled at this point + * to restore the post-initialization configuration. + */ + + if ((handler->orig_flags & ACPI_GPE_DISPATCH_METHOD) + && !(gpe_event_info->flags & ACPI_GPE_CAN_WAKE)) + (void)acpi_raw_enable_gpe(gpe_event_info); /* Now we can free the handler object */ ACPI_FREE(handler); - unlock_and_exit: +unlock_and_exit: + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index 18b3f1468b7d..304825528d48 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -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) /******************************************************************************* * @@ -315,84 +285,30 @@ 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; + acpi_status status = AE_BAD_PARAMETER; struct acpi_gpe_event_info *gpe_event_info; acpi_cpu_flags flags; 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 */ 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_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_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; - } - - 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 (gpe_event_info) { + status = acpi_raw_enable_gpe(gpe_event_info); } -unlock_and_exit: acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); } @@ -404,8 +320,6 @@ 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 * @@ -414,20 +328,52 @@ 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; + acpi_status status = AE_BAD_PARAMETER; struct acpi_gpe_event_info *gpe_event_info; acpi_cpu_flags flags; ACPI_FUNCTION_TRACE(acpi_disable_gpe); - /* Parameter validation */ + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); + + /* Ensure that we have a valid GPE number */ - if (!gpe_type || (gpe_type & ~ACPI_GPE_TYPE_WAKE_RUN)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); + if (gpe_event_info) { + status = acpi_raw_disable_gpe(gpe_event_info) ; } + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + return_ACPI_STATUS(status); +} +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; + + ACPI_FUNCTION_TRACE(acpi_gpe_can_wake); + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Ensure that we have a valid GPE number */ @@ -438,51 +384,20 @@ acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type goto unlock_and_exit; } - /* 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->flags & ACPI_GPE_CAN_WAKE) { + 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->wakeup_count--; - if (!gpe_event_info->wakeup_count) { - status = acpi_ev_update_gpe_enable_masks(gpe_event_info); - } + gpe_event_info->flags |= ACPI_GPE_CAN_WAKE; + if (gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD) { + (void)acpi_raw_disable_gpe(gpe_event_info); } unlock_and_exit: acpi_os_release_lock(acpi_gbl_gpe_lock, flags); return_ACPI_STATUS(status); } -ACPI_EXPORT_SYMBOL(acpi_disable_gpe) +ACPI_EXPORT_SYMBOL(acpi_gpe_can_wake) /******************************************************************************* * @@ -800,7 +715,7 @@ 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); diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 008621c5ad85..18832205b631 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -120,7 +120,7 @@ acpi_ex_add_table(u32 table_index, acpi_ns_exec_module_code_list(); acpi_ex_enter_interpreter(); - /* Update GPEs for any new _PRW or _Lxx/_Exx methods. Ignore errors */ + /* Update GPEs for any new _Lxx/_Exx methods. Ignore errors */ status = acpi_tb_get_owner_id(table_index, &owner_id); if (ACPI_SUCCESS(status)) { diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index d39d438ba1e3..f067bbb0d961 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -742,7 +742,7 @@ acpi_ex_dump_operands(union acpi_operand_object **operands, } ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "**** Start operand dump for opcode [%s], %d operands\n", + "**** Start operand dump for opcode [%s], %u operands\n", opcode_name, num_operands)); if (num_operands == 0) { @@ -812,7 +812,7 @@ void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags) acpi_ex_out_string("Type", acpi_ut_get_type_name(node->type)); acpi_ex_out_pointer("Attached Object", acpi_ns_get_attached_object(node)); - acpi_ex_out_pointer("Parent", acpi_ns_get_parent_node(node)); + acpi_ex_out_pointer("Parent", node->parent); acpi_ex_dump_object(ACPI_CAST_PTR(union acpi_operand_object, node), acpi_ex_dump_node); @@ -945,7 +945,7 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc, case ACPI_TYPE_PACKAGE: - acpi_os_printf("[Package] Contains %d Elements:\n", + acpi_os_printf("[Package] Contains %u Elements:\n", obj_desc->package.count); for (i = 0; i < obj_desc->package.count; i++) { diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index a6dc26f0b3be..047217303a4b 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -534,13 +534,13 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc, if (ACPI_SUCCESS(status)) { if (read_write == ACPI_READ) { ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Value Read %8.8X%8.8X, Width %d\n", + "Value Read %8.8X%8.8X, Width %u\n", ACPI_FORMAT_UINT64(*value), obj_desc->common_field. access_byte_width)); } else { ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Value Written %8.8X%8.8X, Width %d\n", + "Value Written %8.8X%8.8X, Width %u\n", ACPI_FORMAT_UINT64(*value), obj_desc->common_field. access_byte_width)); diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 25059dace0ad..98a331d2249b 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -108,11 +108,11 @@ acpi_ex_generate_access(u32 field_bit_offset, field_byte_length = field_byte_end_offset - field_byte_offset; ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Bit length %d, Bit offset %d\n", + "Bit length %u, Bit offset %u\n", field_bit_length, field_bit_offset)); ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Byte Length %d, Byte Offset %d, End Offset %d\n", + "Byte Length %u, Byte Offset %u, End Offset %u\n", field_byte_length, field_byte_offset, field_byte_end_offset)); @@ -147,11 +147,11 @@ acpi_ex_generate_access(u32 field_bit_offset, accesses = field_end_offset - field_start_offset; ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "AccessWidth %d end is within region\n", + "AccessWidth %u end is within region\n", access_byte_width)); ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Field Start %d, Field End %d -- requires %d accesses\n", + "Field Start %u, Field End %u -- requires %u accesses\n", field_start_offset, field_end_offset, accesses)); @@ -159,7 +159,7 @@ acpi_ex_generate_access(u32 field_bit_offset, if (accesses <= 1) { ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Entire field can be accessed with one operation of size %d\n", + "Entire field can be accessed with one operation of size %u\n", access_byte_width)); return_VALUE(access_byte_width); } @@ -174,7 +174,7 @@ acpi_ex_generate_access(u32 field_bit_offset, } } else { ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "AccessWidth %d end is NOT within region\n", + "AccessWidth %u end is NOT within region\n", access_byte_width)); if (access_byte_width == 1) { ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, @@ -190,7 +190,7 @@ acpi_ex_generate_access(u32 field_bit_offset, * previous access */ ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, - "Backing off to previous optimal access width of %d\n", + "Backing off to previous optimal access width of %u\n", minimum_access_width)); return_VALUE(minimum_access_width); } @@ -385,15 +385,6 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, (field_bit_position - ACPI_MUL_8(obj_desc->common_field.base_byte_offset)); - /* - * Does the entire field fit within a single field access element? (datum) - * (i.e., without crossing a datum boundary) - */ - if ((obj_desc->common_field.start_field_bit_offset + - field_bit_length) <= (u16) access_bit_width) { - obj_desc->common.flags |= AOPOBJ_SINGLE_DATUM; - } - return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 531000fc77d2..8819d2ac5aee 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -194,7 +194,7 @@ acpi_ex_system_memory_space_handler(u32 function, ((u64) address - (u64) mem_info->mapped_physical_address); ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "System-Memory (width %d) R/W %d Address=%8.8X%8.8X\n", + "System-Memory (width %u) R/W %u Address=%8.8X%8.8X\n", bit_width, function, ACPI_FORMAT_NATIVE_UINT(address))); @@ -297,7 +297,7 @@ acpi_ex_system_io_space_handler(u32 function, ACPI_FUNCTION_TRACE(ex_system_io_space_handler); ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "System-IO (width %d) R/W %d Address=%8.8X%8.8X\n", + "System-IO (width %u) R/W %u Address=%8.8X%8.8X\n", bit_width, function, ACPI_FORMAT_NATIVE_UINT(address))); @@ -373,7 +373,7 @@ acpi_ex_pci_config_space_handler(u32 function, pci_register = (u16) (u32) address; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Pci-Config %d (%d) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n", + "Pci-Config %u (%u) Seg(%04x) Bus(%04x) Dev(%04x) Func(%04x) Reg(%04x)\n", function, bit_width, pci_id->segment, pci_id->bus, pci_id->device, pci_id->function, pci_register)); diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index 3450309c2786..14750db2a1b8 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -57,7 +57,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, /****************************************************************************** * - * FUNCTION: acpi_hw_gpe_register_bit + * FUNCTION: acpi_hw_get_gpe_register_bit * * PARAMETERS: gpe_event_info - Info block for the GPE * gpe_register_info - Info block for the GPE register @@ -69,7 +69,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, * ******************************************************************************/ -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) { return (u32)1 << (gpe_event_info->gpe_number - @@ -115,7 +115,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action) /* Set ot clear just the bit that corresponds to this GPE */ - register_bit = acpi_hw_gpe_register_bit(gpe_event_info, + register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info, gpe_register_info); switch (action) { case ACPI_GPE_COND_ENABLE: @@ -143,31 +143,6 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u8 action) /****************************************************************************** * - * FUNCTION: acpi_hw_write_gpe_enable_reg - * - * PARAMETERS: gpe_event_info - Info block for the GPE to be enabled - * - * RETURN: Status - * - * DESCRIPTION: Write a GPE enable register. Note: The bit for this GPE must - * already be cleared or set in the parent register - * enable_for_run mask. - * - ******************************************************************************/ - -acpi_status -acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info) -{ - acpi_status status; - - ACPI_FUNCTION_ENTRY(); - - status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE); - return (status); -} - -/****************************************************************************** - * * FUNCTION: acpi_hw_clear_gpe * * PARAMETERS: gpe_event_info - Info block for the GPE to be cleared @@ -193,7 +168,7 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) return (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); /* @@ -241,7 +216,7 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, /* Get the register bitmask for this GPE */ - register_bit = acpi_hw_gpe_register_bit(gpe_event_info, + register_bit = acpi_hw_get_gpe_register_bit(gpe_event_info, gpe_register_info); /* GPE currently enabled? (enabled for runtime?) */ diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 36eb803dd9d0..3796811276ac 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -307,7 +307,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) return_ACPI_STATUS(status); } ACPI_DEBUG_PRINT((ACPI_DB_INIT, - "Entering sleep state [S%d]\n", sleep_state)); + "Entering sleep state [S%u]\n", sleep_state)); /* Clear the SLP_EN and SLP_TYP fields */ diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 3a2814676ac3..0cd925be5fc1 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -338,8 +338,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, */ while (!acpi_ns_opens_scope(prefix_node->type) && prefix_node->type != ACPI_TYPE_ANY) { - prefix_node = - acpi_ns_get_parent_node(prefix_node); + prefix_node = prefix_node->parent; } } } @@ -419,7 +418,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, /* Backup to the parent node */ num_carats++; - this_node = acpi_ns_get_parent_node(this_node); + this_node = this_node->parent; if (!this_node) { /* Current scope has no parent scope */ @@ -433,7 +432,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, if (search_parent_flag == ACPI_NS_NO_UPSEARCH) { ACPI_DEBUG_PRINT((ACPI_DB_NAMES, - "Search scope is [%4.4s], path has %d carat(s)\n", + "Search scope is [%4.4s], path has %u carat(s)\n", acpi_ut_get_node_name (this_node), num_carats)); } @@ -495,7 +494,7 @@ acpi_ns_lookup(union acpi_generic_state *scope_info, path++; ACPI_DEBUG_PRINT((ACPI_DB_NAMES, - "Multi Pathname (%d Segments, Flags=%X)\n", + "Multi Pathname (%u Segments, Flags=%X)\n", num_segments, flags)); break; diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index 982269c1fa48..1e5ff803d9ad 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -159,7 +159,7 @@ void acpi_ns_remove_node(struct acpi_namespace_node *node) ACPI_FUNCTION_TRACE_PTR(ns_remove_node, node); - parent_node = acpi_ns_get_parent_node(node); + parent_node = node->parent; prev_node = NULL; next_node = parent_node->child; @@ -168,29 +168,20 @@ void acpi_ns_remove_node(struct acpi_namespace_node *node) while (next_node != node) { prev_node = next_node; - next_node = prev_node->peer; + next_node = next_node->peer; } if (prev_node) { /* Node is not first child, unlink it */ - prev_node->peer = next_node->peer; - if (next_node->flags & ANOBJ_END_OF_PEER_LIST) { - prev_node->flags |= ANOBJ_END_OF_PEER_LIST; - } + prev_node->peer = node->peer; } else { - /* Node is first child (has no previous peer) */ - - if (next_node->flags & ANOBJ_END_OF_PEER_LIST) { - - /* No peers at all */ - - parent_node->child = NULL; - } else { /* Link peer list to parent */ - - parent_node->child = next_node->peer; - } + /* + * Node is first child (has no previous peer). + * Link peer list to parent + */ + parent_node->child = node->peer; } /* Delete the node and any attached objects */ @@ -228,33 +219,42 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp ACPI_FUNCTION_TRACE(ns_install_node); - /* - * Get the owner ID from the Walk state. The owner ID is used to track - * table deletion and deletion of objects created by methods. - */ if (walk_state) { + /* + * Get the owner ID from the Walk state. The owner ID is used to + * track table deletion and deletion of objects created by methods. + */ owner_id = walk_state->owner_id; + + if ((walk_state->method_desc) && + (parent_node != walk_state->method_node)) { + /* + * A method is creating a new node that is not a child of the + * method (it is non-local). Mark the executing method as having + * modified the namespace. This is used for cleanup when the + * method exits. + */ + walk_state->method_desc->method.flags |= + AOPOBJ_MODIFIED_NAMESPACE; + } } /* Link the new entry into the parent and existing children */ + node->peer = NULL; + node->parent = parent_node; child_node = parent_node->child; + if (!child_node) { parent_node->child = node; - node->flags |= ANOBJ_END_OF_PEER_LIST; - node->peer = parent_node; } else { - while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) { + /* Add node to the end of the peer list */ + + while (child_node->peer) { child_node = child_node->peer; } child_node->peer = node; - - /* Clear end-of-list flag */ - - child_node->flags &= ~ANOBJ_END_OF_PEER_LIST; - node->flags |= ANOBJ_END_OF_PEER_LIST; - node->peer = parent_node; } /* Init the new entry */ @@ -288,9 +288,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp void acpi_ns_delete_children(struct acpi_namespace_node *parent_node) { - struct acpi_namespace_node *child_node; struct acpi_namespace_node *next_node; - u8 flags; + struct acpi_namespace_node *node_to_delete; ACPI_FUNCTION_TRACE_PTR(ns_delete_children, parent_node); @@ -298,37 +297,26 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node) return_VOID; } - /* If no children, all done! */ - - child_node = parent_node->child; - if (!child_node) { - return_VOID; - } - /* Deallocate all children at this level */ - do { - - /* Get the things we need */ - - next_node = child_node->peer; - flags = child_node->flags; + next_node = parent_node->child; + while (next_node) { /* Grandchildren should have all been deleted already */ - if (child_node->child) { + if (next_node->child) { ACPI_ERROR((AE_INFO, "Found a grandchild! P=%p C=%p", - parent_node, child_node)); + parent_node, next_node)); } /* * Delete this child node and move on to the next child in the list. * No need to unlink the node since we are deleting the entire branch. */ - acpi_ns_delete_node(child_node); - child_node = next_node; - - } while (!(flags & ANOBJ_END_OF_PEER_LIST)); + node_to_delete = next_node; + next_node = next_node->peer; + acpi_ns_delete_node(node_to_delete); + }; /* Clear the parent's child pointer */ @@ -405,7 +393,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) /* Move up the tree to the grandparent */ - parent_node = acpi_ns_get_parent_node(parent_node); + parent_node = parent_node->parent; } } @@ -510,7 +498,7 @@ void acpi_ns_delete_namespace_by_owner(acpi_owner_id owner_id) /* Move up the tree to the grandparent */ - parent_node = acpi_ns_get_parent_node(parent_node); + parent_node = parent_node->parent; } } diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 2110cc2360f0..a54dc39e304b 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -441,7 +441,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, return (AE_OK); } - acpi_os_printf("(R%d)", obj_desc->common.reference_count); + acpi_os_printf("(R%u)", obj_desc->common.reference_count); switch (type) { case ACPI_TYPE_METHOD: diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index 4e5272c313e0..660a2728908d 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -103,8 +103,8 @@ acpi_status acpi_ns_initialize_objects(void) } ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd " - "Buffers %hd/%hd Packages (%hd nodes)\n", + "\nInitialized %u/%u Regions %u/%u Fields %u/%u " + "Buffers %u/%u Packages (%u nodes)\n", info.op_region_init, info.op_region_count, info.field_init, info.field_count, info.buffer_init, info.buffer_count, @@ -112,9 +112,9 @@ acpi_status acpi_ns_initialize_objects(void) info.object_count)); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "%hd Control Methods found\n", info.method_count)); + "%u Control Methods found\n", info.method_count)); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, - "%hd Op Regions found\n", info.op_region_count)); + "%u Op Regions found\n", info.op_region_count)); return_ACPI_STATUS(AE_OK); } @@ -208,8 +208,8 @@ acpi_status acpi_ns_initialize_devices(void) } ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - "\nExecuted %hd _INI methods requiring %hd _STA executions " - "(examined %hd objects)\n", + "\nExecuted %u _INI methods requiring %u _STA executions " + "(examined %u objects)\n", info.num_INI, info.num_STA, info.device_count)); return_ACPI_STATUS(status); @@ -410,7 +410,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle, * The only _INI methods that we care about are those that are * present under Device, Processor, and Thermal objects. */ - parent_node = acpi_ns_get_parent_node(node); + parent_node = node->parent; switch (parent_node->type) { case ACPI_TYPE_DEVICE: case ACPI_TYPE_PROCESSOR: @@ -420,7 +420,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle, while (parent_node) { parent_node->flags |= ANOBJ_SUBTREE_HAS_INI; - parent_node = acpi_ns_get_parent_node(parent_node); + parent_node = parent_node->parent; } break; diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index 7dea0031605c..d3104af57e13 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -93,7 +93,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node, /* Put the name into the buffer */ ACPI_MOVE_32_TO_32((name_buffer + index), &parent_node->name); - parent_node = acpi_ns_get_parent_node(parent_node); + parent_node = parent_node->parent; /* Prefix name with the path separator */ @@ -198,7 +198,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) return 0; } size += ACPI_PATH_SEGMENT_LENGTH; - next_node = acpi_ns_get_parent_node(next_node); + next_node = next_node->parent; } if (!size) { diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index 27cda52c76bc..5808c89e9fac 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -136,8 +136,8 @@ acpi_ns_one_complete_parse(u32 pass_number, /* Parse the AML */ - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %d parse\n", - (unsigned)pass_number)); + ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "*PARSE* pass %u parse\n", + pass_number)); status = acpi_ps_parse_aml(walk_state); cleanup: diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index d4be37751be4..d1c136692667 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -556,7 +556,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data, /* Need an Integer - create a zero-value integer */ - new_object = acpi_ut_create_integer_object(0); + new_object = acpi_ut_create_integer_object((u64)0); } else if (expected_btypes & ACPI_RTYPE_STRING) { /* Need a String - create a NULL string */ diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 61bd0f6755d2..4009498fbabd 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -112,6 +112,13 @@ acpi_ns_sort_list(union acpi_operand_object **elements, * _GTM: Convert Buffer of BYTEs to a Buffer of DWORDs * _PSS: Sort the list descending by Power * _TSS: Sort the list descending by Power + * + * Names that must be packages, but cannot be sorted: + * + * _BCL: Values are tied to the Package index where they appear, and cannot + * be moved or sorted. These index values are used for _BQC and _BCM. + * However, we can fix the case where a buffer is returned, by converting + * it to a Package of integers. */ static const struct acpi_repair_info acpi_ns_repairable_names[] = { {"_ALR", acpi_ns_repair_ALR}, diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index a8e42b5e9463..41102a84272f 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -152,17 +152,6 @@ acpi_ns_search_one_scope(u32 target_name, return_ACPI_STATUS(AE_OK); } - /* - * The last entry in the list points back to the parent, - * so a flag is used to indicate the end-of-list - */ - if (node->flags & ANOBJ_END_OF_PEER_LIST) { - - /* Searched entire list, we are done */ - - break; - } - /* Didn't match name, move on to the next peer object */ node = node->peer; @@ -217,7 +206,7 @@ acpi_ns_search_parent_tree(u32 target_name, ACPI_FUNCTION_TRACE(ns_search_parent_tree); - parent_node = acpi_ns_get_parent_node(node); + parent_node = node->parent; /* * If there is no parent (i.e., we are at the root) or type is "local", @@ -261,7 +250,7 @@ acpi_ns_search_parent_tree(u32 target_name, /* Not found here, go up another level (until we reach the root) */ - parent_node = acpi_ns_get_parent_node(parent_node); + parent_node = parent_node->parent; } /* Not found in parent tree */ diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index bab559712da1..e1add3491b04 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -847,116 +847,3 @@ acpi_ns_get_node(struct acpi_namespace_node *prefix_node, ACPI_FREE(internal_path); return_ACPI_STATUS(status); } - -/******************************************************************************* - * - * FUNCTION: acpi_ns_get_parent_node - * - * PARAMETERS: Node - Current table entry - * - * RETURN: Parent entry of the given entry - * - * DESCRIPTION: Obtain the parent entry for a given entry in the namespace. - * - ******************************************************************************/ - -struct acpi_namespace_node *acpi_ns_get_parent_node(struct acpi_namespace_node - *node) -{ - ACPI_FUNCTION_ENTRY(); - - if (!node) { - return (NULL); - } - - /* - * Walk to the end of this peer list. The last entry is marked with a flag - * and the peer pointer is really a pointer back to the parent. This saves - * putting a parent back pointer in each and every named object! - */ - while (!(node->flags & ANOBJ_END_OF_PEER_LIST)) { - node = node->peer; - } - - return (node->peer); -} - -/******************************************************************************* - * - * FUNCTION: acpi_ns_get_next_valid_node - * - * PARAMETERS: Node - Current table entry - * - * RETURN: Next valid Node in the linked node list. NULL if no more valid - * nodes. - * - * DESCRIPTION: Find the next valid node within a name table. - * Useful for implementing NULL-end-of-list loops. - * - ******************************************************************************/ - -struct acpi_namespace_node *acpi_ns_get_next_valid_node(struct - acpi_namespace_node - *node) -{ - - /* If we are at the end of this peer list, return NULL */ - - if (node->flags & ANOBJ_END_OF_PEER_LIST) { - return NULL; - } - - /* Otherwise just return the next peer */ - - return (node->peer); -} - -#ifdef ACPI_OBSOLETE_FUNCTIONS -/******************************************************************************* - * - * FUNCTION: acpi_ns_find_parent_name - * - * PARAMETERS: *child_node - Named Obj whose name is to be found - * - * RETURN: The ACPI name - * - * DESCRIPTION: Search for the given obj in its parent scope and return the - * name segment, or "????" if the parent name can't be found - * (which "should not happen"). - * - ******************************************************************************/ - -acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node * child_node) -{ - struct acpi_namespace_node *parent_node; - - ACPI_FUNCTION_TRACE(ns_find_parent_name); - - if (child_node) { - - /* Valid entry. Get the parent Node */ - - parent_node = acpi_ns_get_parent_node(child_node); - if (parent_node) { - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Parent of %p [%4.4s] is %p [%4.4s]\n", - child_node, - acpi_ut_get_node_name(child_node), - parent_node, - acpi_ut_get_node_name(parent_node))); - - if (parent_node->name.integer) { - return_VALUE((acpi_name) parent_node->name. - integer); - } - } - - ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "Unable to find parent of %p (%4.4s)\n", - child_node, - acpi_ut_get_node_name(child_node))); - } - - return_VALUE(ACPI_UNKNOWN_NAME); -} -#endif diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index 00e79fb26029..2cd5be8fe10f 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -79,15 +79,6 @@ struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node return parent_node->child; } - /* - * Get the next node. - * - * If we are at the end of this peer list, return NULL - */ - if (child_node->flags & ANOBJ_END_OF_PEER_LIST) { - return NULL; - } - /* Otherwise just return the next peer */ return child_node->peer; @@ -146,9 +137,9 @@ struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type, return (next_node); } - /* Otherwise, move on to the next node */ + /* Otherwise, move on to the next peer node */ - next_node = acpi_ns_get_next_valid_node(next_node); + next_node = next_node->peer; } /* Not found */ @@ -355,7 +346,7 @@ acpi_ns_walk_namespace(acpi_object_type type, */ level--; child_node = parent_node; - parent_node = acpi_ns_get_parent_node(parent_node); + parent_node = parent_node->parent; node_previously_visited = TRUE; } diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index eafef24ea448..a1f04e9b8030 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -190,7 +190,7 @@ acpi_status acpi_get_parent(acpi_handle handle, acpi_handle * ret_handle) /* Get the parent entry */ - parent_node = acpi_ns_get_parent_node(node); + parent_node = node->parent; *ret_handle = ACPI_CAST_PTR(acpi_handle, parent_node); /* Return exception if parent is null */ diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index 66116750a0f9..0558747579ef 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -813,10 +813,10 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_root_node_struct.name.integer = ACPI_ROOT_NAME; acpi_gbl_root_node_struct.descriptor_type = ACPI_DESC_TYPE_NAMED; acpi_gbl_root_node_struct.type = ACPI_TYPE_DEVICE; + acpi_gbl_root_node_struct.parent = NULL; acpi_gbl_root_node_struct.child = NULL; acpi_gbl_root_node_struct.peer = NULL; acpi_gbl_root_node_struct.object = NULL; - acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST; #ifdef ACPI_DEBUG_OUTPUT acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX); diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index db9d8ca57987..7f8cefcb2b32 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -293,12 +293,8 @@ acpi_status acpi_initialize_objects(u32 flags) * Complete the GPE initialization for the GPE blocks defined in the FADT * (GPE block 0 and 1). * - * Note1: This is where the _PRW methods are executed for the GPEs. These - * methods can only be executed after the SCI and Global Lock handlers are - * installed and initialized. - * - * Note2: Currently, there seems to be no need to run the _REG methods - * before execution of the _PRW methods and enabling of the GPEs. + * NOTE: Currently, there seems to be no need to run the _REG methods + * before enabling the GPEs. */ if (!(flags & ACPI_NO_EVENT_INIT)) { status = acpi_ev_install_fadt_gpes(); diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 7d857dabdde4..1575a9b51f1d 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -424,8 +424,7 @@ static int acpi_button_add(struct acpi_device *device) if (device->wakeup.flags.valid) { /* Button's GPE is run-wake GPE */ acpi_enable_gpe(device->wakeup.gpe_device, - device->wakeup.gpe_number, - ACPI_GPE_TYPE_RUNTIME); + device->wakeup.gpe_number); device->wakeup.run_wake_count++; device->wakeup.state.enabled = 1; } @@ -448,8 +447,7 @@ static int acpi_button_remove(struct acpi_device *device, int type) if (device->wakeup.flags.valid) { acpi_disable_gpe(device->wakeup.gpe_device, - device->wakeup.gpe_number, - ACPI_GPE_TYPE_RUNTIME); + device->wakeup.gpe_number); device->wakeup.run_wake_count--; device->wakeup.state.enabled = 0; } diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 5f2027d782e8..1e6d4184f0ea 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -313,11 +313,8 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) pr_debug(PREFIX "transaction start\n"); /* disable GPE during transaction if storm is detected */ if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { - /* - * It has to be disabled at the hardware level regardless of the - * GPE reference counting, so that it doesn't trigger. - */ - acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE); + /* It has to be disabled, so that it doesn't trigger. */ + acpi_disable_gpe(NULL, ec->gpe); } status = acpi_ec_transaction_unlocked(ec, t); @@ -326,12 +323,8 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) ec_check_sci_sync(ec, acpi_ec_read_status(ec)); if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) { msleep(1); - /* - * It is safe to enable the GPE outside of the transaction. Use - * acpi_set_gpe() for that, since we used it to disable the GPE - * above. - */ - acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE); + /* It is safe to enable the GPE outside of the transaction. */ + acpi_enable_gpe(NULL, ec->gpe); } else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) { pr_info(PREFIX "GPE storm detected, " "transactions will use polling mode\n"); @@ -822,7 +815,7 @@ static int ec_install_handlers(struct acpi_ec *ec) if (ACPI_FAILURE(status)) return -ENODEV; - acpi_enable_gpe(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); + acpi_enable_gpe(NULL, ec->gpe); status = acpi_install_address_space_handler(ec->handle, ACPI_ADR_SPACE_EC, &acpi_ec_space_handler, @@ -839,7 +832,7 @@ static int ec_install_handlers(struct acpi_ec *ec) } else { acpi_remove_gpe_handler(NULL, ec->gpe, &acpi_ec_gpe_handler); - acpi_disable_gpe(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); + acpi_disable_gpe(NULL, ec->gpe); return -ENODEV; } } @@ -850,7 +843,7 @@ static int ec_install_handlers(struct acpi_ec *ec) static void ec_remove_handlers(struct acpi_ec *ec) { - acpi_disable_gpe(NULL, ec->gpe, ACPI_GPE_TYPE_RUNTIME); + acpi_disable_gpe(NULL, ec->gpe); if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle, ACPI_ADR_SPACE_EC, &acpi_ec_space_handler))) pr_err(PREFIX "failed to remove space handler\n"); @@ -1088,22 +1081,6 @@ error: return -ENODEV; } -static int acpi_ec_suspend(struct acpi_device *device, pm_message_t state) -{ - struct acpi_ec *ec = acpi_driver_data(device); - /* Stop using the GPE, but keep it reference counted. */ - acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_DISABLE); - return 0; -} - -static int acpi_ec_resume(struct acpi_device *device) -{ - struct acpi_ec *ec = acpi_driver_data(device); - /* Enable the GPE again, but don't reference count it once more. */ - acpi_set_gpe(NULL, ec->gpe, ACPI_GPE_ENABLE); - return 0; -} - static struct acpi_driver acpi_ec_driver = { .name = "ec", .class = ACPI_EC_CLASS, @@ -1111,8 +1088,6 @@ static struct acpi_driver acpi_ec_driver = { .ops = { .add = acpi_ec_add, .remove = acpi_ec_remove, - .suspend = acpi_ec_suspend, - .resume = acpi_ec_resume, }, }; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 78418ce4fc78..44bddc5bc6ad 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -1064,26 +1064,6 @@ static int __init acpi_serialize_setup(char *str) __setup("acpi_serialize", acpi_serialize_setup); -/* - * Wake and Run-Time GPES are expected to be separate. - * We disable wake-GPEs at run-time to prevent spurious - * interrupts. - * - * However, if a system exists that shares Wake and - * Run-time events on the same GPE this flag is available - * to tell Linux to keep the wake-time GPEs enabled at run-time. - */ -static int __init acpi_wake_gpes_always_on_setup(char *str) -{ - printk(KERN_INFO PREFIX "wake GPEs not disabled\n"); - - acpi_gbl_leave_wake_gpes_disabled = FALSE; - - return 1; -} - -__setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup); - /* Check of resource interference between native drivers and ACPI * OperationRegions (SystemIO and System Memory only). * IO ports and memory declared in ACPI might be used by the ACPI subsystem diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 7f2e051ed4f1..b23825ecfa37 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -740,6 +740,8 @@ acpi_bus_extract_wakeup_device_power_package(struct acpi_device *device, device->wakeup.resources.handles[i] = element->reference.handle; } + acpi_gpe_can_wake(device->wakeup.gpe_device, device->wakeup.gpe_number); + return AE_OK; } @@ -764,8 +766,9 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device) return; } - status = acpi_get_gpe_status(NULL, device->wakeup.gpe_number, - &event_status); + status = acpi_get_gpe_status(device->wakeup.gpe_device, + device->wakeup.gpe_number, + &event_status); if (status == AE_OK) device->wakeup.flags.run_wake = !!(event_status & ACPI_EVENT_FLAG_HANDLE); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index e4625f919814..cf82989ae756 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -646,18 +646,9 @@ int acpi_pm_device_sleep_wake(struct device *dev, bool enable) return -ENODEV; } - if (enable) { - error = acpi_enable_wakeup_device_power(adev, - acpi_target_sleep_state); - if (!error) - acpi_enable_gpe(adev->wakeup.gpe_device, - adev->wakeup.gpe_number, - ACPI_GPE_TYPE_WAKE); - } else { - acpi_disable_gpe(adev->wakeup.gpe_device, adev->wakeup.gpe_number, - ACPI_GPE_TYPE_WAKE); - error = acpi_disable_wakeup_device_power(adev); - } + error = enable ? + acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) : + acpi_disable_wakeup_device_power(adev); if (!error) dev_info(dev, "wake-up capability %s by ACPI\n", enable ? "enabled" : "disabled"); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index f8db50a0941c..5981bd07e20e 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -388,12 +388,10 @@ static ssize_t counter_set(struct kobject *kobj, if (index < num_gpes) { if (!strcmp(buf, "disable\n") && (status & ACPI_EVENT_FLAG_ENABLED)) - result = acpi_disable_gpe(handle, index, - ACPI_GPE_TYPE_RUNTIME); + result = acpi_disable_gpe(handle, index); else if (!strcmp(buf, "enable\n") && !(status & ACPI_EVENT_FLAG_ENABLED)) - result = acpi_enable_gpe(handle, index, - ACPI_GPE_TYPE_RUNTIME); + result = acpi_enable_gpe(handle, index); else if (!strcmp(buf, "clear\n") && (status & ACPI_EVENT_FLAG_SET)) result = acpi_clear_gpe(handle, index); diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c index dc6d1d9112fb..f62a50c3ed34 100644 --- a/drivers/acpi/wakeup.c +++ b/drivers/acpi/wakeup.c @@ -36,7 +36,8 @@ void acpi_enable_wakeup_devices(u8 sleep_state) struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); - if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled + if (!dev->wakeup.flags.valid + || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count) || sleep_state > (u32) dev->wakeup.sleep_state) continue; @@ -44,8 +45,8 @@ void acpi_enable_wakeup_devices(u8 sleep_state) acpi_enable_wakeup_device_power(dev, sleep_state); /* The wake-up power should have been enabled already. */ - acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number, - ACPI_GPE_TYPE_WAKE); + acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number, + ACPI_GPE_ENABLE); } } @@ -61,13 +62,16 @@ void acpi_disable_wakeup_devices(u8 sleep_state) struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); - if (!dev->wakeup.flags.valid || !dev->wakeup.state.enabled + if (!dev->wakeup.flags.valid + || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count) || (sleep_state > (u32) dev->wakeup.sleep_state)) continue; - acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number, - ACPI_GPE_TYPE_WAKE); - acpi_disable_wakeup_device_power(dev); + acpi_gpe_wakeup(dev->wakeup.gpe_device, dev->wakeup.gpe_number, + ACPI_GPE_DISABLE); + + if (dev->wakeup.state.enabled) + acpi_disable_wakeup_device_power(dev); } } diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 2e7a3bf13824..5342e037e37f 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -295,14 +295,12 @@ static int acpi_dev_run_wake(struct device *phys_dev, bool enable) if (!dev->wakeup.run_wake_count++) { acpi_enable_wakeup_device_power(dev, ACPI_STATE_S0); acpi_enable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, - ACPI_GPE_TYPE_RUNTIME); + dev->wakeup.gpe_number); } } else if (dev->wakeup.run_wake_count > 0) { if (!--dev->wakeup.run_wake_count) { acpi_disable_gpe(dev->wakeup.gpe_device, - dev->wakeup.gpe_number, - ACPI_GPE_TYPE_RUNTIME); + dev->wakeup.gpe_number); acpi_disable_wakeup_device_power(dev); } } else { diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h index 5e952262d6ee..bc4a6deb73b0 100644 --- a/include/acpi/acoutput.h +++ b/include/acpi/acoutput.h @@ -71,8 +71,9 @@ #define ACPI_TOOLS 0x00002000 #define ACPI_EXAMPLE 0x00004000 #define ACPI_DRIVER 0x00008000 +#define DT_COMPILER 0x00010000 -#define ACPI_ALL_COMPONENTS 0x0000FFFF +#define ACPI_ALL_COMPONENTS 0x0001FFFF #define ACPI_COMPONENT_DEFAULT (ACPI_ALL_COMPONENTS) /* Component IDs reserved for ACPI drivers */ diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index a6ea2ac40b9c..c0786d446a00 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -47,7 +47,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20100428 +#define ACPI_CA_VERSION 0x20100702 #include "actypes.h" #include "actbl.h" @@ -63,7 +63,6 @@ extern u32 acpi_dbg_layer; extern u8 acpi_gbl_enable_interpreter_slack; extern u8 acpi_gbl_all_methods_serialized; extern u8 acpi_gbl_create_osi_method; -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; @@ -282,16 +281,16 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status); /* * GPE Interfaces */ -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); -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); -acpi_status -acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u8 gpe_type); +acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number); acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number); +acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action); + acpi_status acpi_get_gpe_status(acpi_handle gpe_device, u32 gpe_number, acpi_event_status *event_status); diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 95f4d0ef4819..d4136b28011f 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -77,8 +77,18 @@ #define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */ #define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */ #define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */ +#define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */ #define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */ +#ifdef ACPI_UNDEFINED_TABLES +/* + * These tables have been seen in the field, but no definition has been found + */ +#define ACPI_SIG_ATKG "ATKG" +#define ACPI_SIG_GSCI "GSCI" /* GMCH SCI table */ +#define ACPI_SIG_IEIT "IEIT" +#endif + /* * All tables must be byte-packed to match the ACPI specification, since * the tables are provided by the system BIOS. @@ -909,6 +919,44 @@ enum acpi_wdat_instructions { /******************************************************************************* * + * WDDT - Watchdog Descriptor Table + * Version 1 + * + * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", + * Version 001, September 2002 + * + ******************************************************************************/ + +struct acpi_table_wddt { + struct acpi_table_header header; /* Common ACPI table header */ + u16 spec_version; + u16 table_version; + u16 pci_vendor_id; + struct acpi_generic_address address; + u16 max_count; /* Maximum counter value supported */ + u16 min_count; /* Minimum counter value supported */ + u16 period; + u16 status; + u16 capability; +}; + +/* Flags for Status field above */ + +#define ACPI_WDDT_AVAILABLE (1) +#define ACPI_WDDT_ACTIVE (1<<1) +#define ACPI_WDDT_TCO_OS_OWNED (1<<2) +#define ACPI_WDDT_USER_RESET (1<<11) +#define ACPI_WDDT_WDT_RESET (1<<12) +#define ACPI_WDDT_POWER_FAIL (1<<13) +#define ACPI_WDDT_UNKNOWN_RESET (1<<14) + +/* Flags for Capability field above */ + +#define ACPI_WDDT_AUTO_RESET (1) +#define ACPI_WDDT_ALERT_SUPPORT (1<<1) + +/******************************************************************************* + * * WDRT - Watchdog Resource Table * Version 1 * diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index d55f4a7b824d..5db8f472fec9 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -663,18 +663,12 @@ typedef u32 acpi_event_status; #define ACPI_GPE_MAX 0xFF #define ACPI_NUM_GPE 256 -/* Actions for acpi_set_gpe and acpi_hw_low_set_gpe */ +/* Actions for acpi_gpe_wakeup, acpi_hw_low_set_gpe */ #define ACPI_GPE_ENABLE 0 #define ACPI_GPE_DISABLE 1 #define ACPI_GPE_COND_ENABLE 2 -/* 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 * +-------+---+-+-+ |