diff options
Diffstat (limited to 'drivers/acpi')
48 files changed, 411 insertions, 876 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index c3f43daa8be..e0e6affb0d8 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -78,7 +78,9 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node, u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list); acpi_status -acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info); +acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info); + +acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, u32 gpe_number); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 899d68afc3c..18e796fe429 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 32391588e16..120b3af5659 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 147a7e6bd38..1ee0bcf399a 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 */ @@ -428,7 +429,6 @@ struct acpi_gpe_event_info { u8 flags; /* Misc info about this GPE */ u8 gpe_number; /* This GPE */ u8 runtime_count; /* References to a run GPE */ - u8 wakeup_count; /* References to a wake GPE */ }; /* Information about a GPE register pair, one per each status/enable pair in an array */ diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 258159cfcdf..9f60ff00220 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 cde18ea8265..54857fa87aa 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 97116082cb6..10998d369ad 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 161bc0e3d70..6e5dd97949f 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 abe140318a7..cc4a38c5755 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 2a9a561c2f0..64750ee96e2 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 f3d52f59250..8095306fcd8 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 3607adcaf08..8e85f54a8e0 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 53a7e416f33..7c0e7422717 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 306c62ab2e8..15135c25aa9 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 f5795915a2e..303618889da 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 7c2c336006a..7a6a3e6f4be 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -54,49 +54,84 @@ 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); } @@ -417,8 +452,12 @@ static void acpi_ev_asynch_enable_gpe(void *context) } } - /* Enable this GPE */ - (void)acpi_hw_write_gpe_enable_reg(gpe_event_info); + /* + * Enable this GPE, conditionally. This means that the GPE will only be + * physically enabled if the enable_for_run bit is set in the event_info + */ + (void)acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_COND_ENABLE); + return_VOID; } diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 341a38ce8aa..85445fb5844 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_enabl |