diff options
Diffstat (limited to 'drivers/acpi')
71 files changed, 1586 insertions, 709 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 860f15f..735f5ea 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -4,7 +4,6 @@ menuconfig ACPI bool "ACPI (Advanced Configuration and Power Interface) Support" - depends on !X86_VISWS depends on !IA64_HP_SIM depends on IA64 || X86 depends on PCI @@ -337,6 +336,15 @@ config ACPI_EC the battery and thermal drivers. If you are compiling for a mobile system, say Y. +config ACPI_PCI_SLOT + tristate "PCI slot detection driver" + default n + help + This driver will attempt to discover all PCI slots in your system, + and creates entries in /sys/bus/pci/slots/. This feature can + help you correlate PCI bus addresses with the physical geography + of your slots. If you are unsure, say N. + config ACPI_POWER bool default y diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 40b0fca..52a4cd4 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -21,7 +21,7 @@ obj-$(CONFIG_X86) += blacklist.o # # ACPI Core Subsystem (Interpreter) # -obj-y += osl.o utils.o \ +obj-y += osl.o utils.o reboot.o\ dispatcher/ events/ executer/ hardware/ \ namespace/ parser/ resources/ tables/ \ utilities/ @@ -48,6 +48,7 @@ obj-$(CONFIG_ACPI_DOCK) += dock.o obj-$(CONFIG_ACPI_BAY) += bay.o obj-$(CONFIG_ACPI_VIDEO) += video.o obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o +obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o obj-$(CONFIG_ACPI_POWER) += power.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o obj-$(CONFIG_ACPI_CONTAINER) += container.o diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c index 61b6c5b..e6caf5d 100644 --- a/drivers/acpi/bay.c +++ b/drivers/acpi/bay.c @@ -380,6 +380,9 @@ static int __init bay_init(void) if (acpi_disabled) return -ENODEV; + if (acpi_disabled) + return -ENODEV; + /* look for dockable drive bays */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_bay, &bays, NULL); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index a6dbcf4..ccae305 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -295,6 +295,28 @@ int acpi_bus_set_power(acpi_handle handle, int state) EXPORT_SYMBOL(acpi_bus_set_power); +bool acpi_bus_power_manageable(acpi_handle handle) +{ + struct acpi_device *device; + int result; + + result = acpi_bus_get_device(handle, &device); + return result ? false : device->flags.power_manageable; +} + +EXPORT_SYMBOL(acpi_bus_power_manageable); + +bool acpi_bus_can_wakeup(acpi_handle handle) +{ + struct acpi_device *device; + int result; + + result = acpi_bus_get_device(handle, &device); + return result ? false : device->wakeup.flags.valid; +} + +EXPORT_SYMBOL(acpi_bus_can_wakeup); + /* -------------------------------------------------------------------------- Event Management -------------------------------------------------------------------------- */ @@ -612,7 +634,7 @@ static int __init acpi_bus_init_irq(void) return 0; } -acpi_native_uint acpi_gbl_permanent_mmap; +u8 acpi_gbl_permanent_mmap; void __init acpi_early_init(void) diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c index 610b1ee..949f7c75 100644 --- a/drivers/acpi/dispatcher/dsinit.c +++ b/drivers/acpi/dispatcher/dsinit.c @@ -151,7 +151,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle, ******************************************************************************/ acpi_status -acpi_ds_initialize_objects(acpi_native_uint table_index, +acpi_ds_initialize_objects(u32 table_index, struct acpi_namespace_node * start_node) { acpi_status status; diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 2509809..4613b9c 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -377,7 +377,6 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, } info->parameters = &this_walk_state->operands[0]; - info->parameter_type = ACPI_PARAM_ARGS; status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node, obj_desc->method.aml_start, diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c index a818e0d..6a81c44 100644 --- a/drivers/acpi/dispatcher/dsopcode.c +++ b/drivers/acpi/dispatcher/dsopcode.c @@ -691,12 +691,6 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, status = acpi_ex_resolve_operands(op->common.aml_opcode, ACPI_WALK_OPERANDS, walk_state); - - ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - acpi_ps_get_opcode_name(op->common.aml_opcode), - walk_state->num_operands, - "after AcpiExResolveOperands"); - if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)", acpi_ps_get_opcode_name(op->common.aml_opcode), @@ -785,10 +779,6 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } - ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - acpi_ps_get_opcode_name(op->common.aml_opcode), - 1, "after AcpiExResolveOperands"); - obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { return_ACPI_STATUS(AE_NOT_EXIST); @@ -848,7 +838,7 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, union acpi_operand_object **operand; struct acpi_namespace_node *node; union acpi_parse_object *next_op; - acpi_native_uint table_index; + u32 table_index; struct acpi_table_header *table; ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op); @@ -882,10 +872,6 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } - ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - acpi_ps_get_opcode_name(op->common.aml_opcode), - 1, "after AcpiExResolveOperands"); - operand = &walk_state->operands[0]; /* Find the ACPI table */ @@ -1091,10 +1077,8 @@ acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state, return_ACPI_STATUS(status); } - ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, - acpi_ps_get_opcode_name(op->common.aml_opcode), - 1, "after AcpiExResolveOperands"); - + ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, + acpi_ps_get_opcode_name(op->common.aml_opcode), 1); /* * Get the bank_value operand and save it * (at Top of stack) diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index b246b96..b5072fa 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -408,14 +408,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) [walk_state-> num_operands - 1]), walk_state); - if (ACPI_SUCCESS(status)) { - ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, - ACPI_IMODE_EXECUTE, - acpi_ps_get_opcode_name - (walk_state->opcode), - walk_state->num_operands, - "after ExResolveOperands"); - } } if (ACPI_SUCCESS(status)) { diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c index 1386ced..b00d4af 100644 --- a/drivers/acpi/dispatcher/dswstate.c +++ b/drivers/acpi/dispatcher/dswstate.c @@ -70,7 +70,7 @@ acpi_status acpi_ds_result_pop(union acpi_operand_object **object, struct acpi_walk_state *walk_state) { - acpi_native_uint index; + u32 index; union acpi_generic_state *state; acpi_status status; @@ -122,7 +122,7 @@ acpi_ds_result_pop(union acpi_operand_object **object, ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Obj=%p [%s] Index=%X State=%p Num=%X\n", *object, acpi_ut_get_object_type_name(*object), - (u32) index, walk_state, walk_state->result_count)); + index, walk_state, walk_state->result_count)); return (AE_OK); } @@ -146,7 +146,7 @@ acpi_ds_result_push(union acpi_operand_object * object, { union acpi_generic_state *state; acpi_status status; - acpi_native_uint index; + u32 index; ACPI_FUNCTION_NAME(ds_result_push); @@ -400,7 +400,7 @@ void acpi_ds_obj_stack_pop_and_delete(u32 pop_count, struct acpi_walk_state *walk_state) { - acpi_native_int i; + s32 i; union acpi_operand_object *obj_desc; ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete); @@ -409,7 +409,7 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count, return; } - for (i = (acpi_native_int) (pop_count - 1); i >= 0; i--) { + for (i = (s32) pop_count - 1; i >= 0; i--) { if (walk_state->num_operands == 0) { return; } @@ -615,14 +615,8 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, walk_state->pass_number = pass_number; if (info) { - if (info->parameter_type == ACPI_PARAM_GPE) { - walk_state->gpe_event_info = - ACPI_CAST_PTR(struct acpi_gpe_event_info, - info->parameters); - } else { - walk_state->params = info->parameters; - walk_state->caller_return_desc = &info->return_object; - } + walk_state->params = info->parameters; + walk_state->caller_return_desc = &info->return_object; } status = acpi_ps_init_scope(&walk_state->parser_state, op); diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index bb7c51f..1e872e7 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -920,6 +920,9 @@ static int __init dock_init(void) if (acpi_disabled) return 0; + if (acpi_disabled) + return 0; + /* look for a dock station */ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_dock, &num, NULL); diff --git a/drivers/acpi/events/evevent.c b/drivers/acpi/events/evevent.c index 5d30e5b..c56c5c6 100644 --- a/drivers/acpi/events/evevent.c +++ b/drivers/acpi/events/evevent.c @@ -188,7 +188,7 @@ acpi_status acpi_ev_install_xrupt_handlers(void) static acpi_status acpi_ev_fixed_event_initialize(void) { - acpi_native_uint i; + u32 i; acpi_status status; /* @@ -231,7 +231,7 @@ u32 acpi_ev_fixed_event_detect(void) u32 int_status = ACPI_INTERRUPT_NOT_HANDLED; u32 fixed_status; u32 fixed_enable; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_NAME(ev_fixed_event_detect); @@ -260,7 +260,7 @@ u32 acpi_ev_fixed_event_detect(void) /* Found an active (signalled) event */ acpi_os_fixed_event_count(i); - int_status |= acpi_ev_fixed_event_dispatch((u32) i); + int_status |= acpi_ev_fixed_event_dispatch(i); } } diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index 5354be4..c5e53aa 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -256,7 +256,7 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) return_ACPI_STATUS(status); } - /* Mark wake-disabled or HW disable, or both */ + /* Clear the appropriate enabled flags for this GPE */ switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) { case ACPI_GPE_TYPE_WAKE: @@ -273,13 +273,23 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) /* Disable the requested runtime GPE */ ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED); - - /* fallthrough */ + break; default: - acpi_hw_write_gpe_enable_reg(gpe_event_info); + break; } + /* + * Even if we don't know the GPE type, make sure that we always + * disable it. low_disable_gpe will just clear the enable bit for this + * GPE and write it. It will not write out the current GPE enable mask, + * since this may inadvertently enable GPEs too early, if a rogue GPE has + * come in during ACPICA initialization - possibly as a result of AML or + * other code that has enabled the GPE. + */ + status = acpi_hw_low_disable_gpe(gpe_event_info); + return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); } @@ -305,7 +315,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, { union acpi_operand_object *obj_desc; struct acpi_gpe_block_info *gpe_block; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_ENTRY(); @@ -379,8 +389,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) u32 status_reg; u32 enable_reg; acpi_cpu_flags flags; - acpi_native_uint i; - acpi_native_uint j; + u32 i; + u32 j; ACPI_FUNCTION_NAME(ev_gpe_detect); @@ -462,13 +472,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) */ int_status |= acpi_ev_gpe_dispatch(&gpe_block-> - event_info[(i * - ACPI_GPE_REGISTER_WIDTH) - + - j], - (u32) j + - gpe_register_info-> - base_gpe_number); + event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number); } } } @@ -555,10 +559,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) */ info->prefix_node = local_gpe_event_info.dispatch.method_node; - info->parameters = - ACPI_CAST_PTR(union acpi_operand_object *, - gpe_event_info); - info->parameter_type = ACPI_PARAM_GPE; info->flags = ACPI_IGNORE_RETURN_VALUE; status = acpi_ns_evaluate(info); diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c index e6c4d4c..73c058e 100644 --- a/drivers/acpi/events/evgpeblk.c +++ b/drivers/acpi/events/evgpeblk.c @@ -189,8 +189,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block) { struct acpi_gpe_event_info *gpe_event_info; - acpi_native_uint i; - acpi_native_uint j; + u32 i; + u32 j; ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers); @@ -203,7 +203,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { gpe_event_info = &gpe_block-> - event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j]; + event_info[((acpi_size) i * + ACPI_GPE_REGISTER_WIDTH) + j]; if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) { @@ -744,8 +745,8 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) struct acpi_gpe_event_info *gpe_event_info = NULL; struct acpi_gpe_event_info *this_event; struct acpi_gpe_register_info *this_register; - acpi_native_uint i; - acpi_native_uint j; + u32 i; + u32 j; acpi_status status; ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks); @@ -983,8 +984,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device, struct acpi_gpe_walk_info gpe_info; u32 wake_gpe_count; u32 gpe_enabled_count; - acpi_native_uint i; - acpi_native_uint j; + u32 i; + u32 j; ACPI_FUNCTION_TRACE(ev_initialize_gpe_block); @@ -1033,7 +1034,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device, gpe_event_info = &gpe_block-> - event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j]; + event_info[((acpi_size) i * + ACPI_GPE_REGISTER_WIDTH) + j]; if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 2113e58..1d5670b 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -575,7 +575,7 @@ acpi_status acpi_ev_release_global_lock(void) void acpi_ev_terminate(void) { - acpi_native_uint i; + u32 i; acpi_status status; ACPI_FUNCTION_TRACE(ev_terminate); @@ -589,7 +589,7 @@ void acpi_ev_terminate(void) /* Disable all fixed events */ for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) { - status = acpi_disable_event((u32) i, 0); + status = acpi_disable_event(i, 0); if (ACPI_FAILURE(status)) { ACPI_ERROR((AE_INFO, "Could not disable fixed event %d", diff --git a/drivers/acpi/events/evregion.c b/drivers/acpi/events/evregion.c index 1628f59..236fbd1 100644 --- a/drivers/acpi/events/evregion.c +++ b/drivers/acpi/events/evregion.c @@ -81,7 +81,7 @@ acpi_ev_install_handler(acpi_handle obj_handle, acpi_status acpi_ev_install_region_handlers(void) { acpi_status status; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(ev_install_region_handlers); @@ -151,7 +151,7 @@ acpi_status acpi_ev_install_region_handlers(void) acpi_status acpi_ev_initialize_op_regions(void) { acpi_status status; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(ev_initialize_op_regions); @@ -219,7 +219,6 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) info->prefix_node = region_obj2->extra.method_REG; info->pathname = NULL; info->parameters = args; - info->parameter_type = ACPI_PARAM_ARGS; info->flags = ACPI_IGNORE_RETURN_VALUE; /* diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c index 2e3d2c5..6b94b38 100644 --- a/drivers/acpi/events/evrgnini.c +++ b/drivers/acpi/events/evrgnini.c @@ -380,7 +380,7 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node) acpi_status status; struct acpica_device_id hid; struct acpi_compatible_id_list *cid; - acpi_native_uint i; + u32 i; /* * Get the _HID and check for a PCI Root Bridge diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index 99a7502..73bfd6b 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -472,7 +472,6 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) } ACPI_EXPORT_SYMBOL(acpi_clear_gpe) -#ifdef ACPI_FUTURE_USAGE /******************************************************************************* * * FUNCTION: acpi_get_event_status @@ -489,6 +488,7 @@ ACPI_EXPORT_SYMBOL(acpi_clear_gpe) acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) { acpi_status status = AE_OK; + u32 value; ACPI_FUNCTION_TRACE(acpi_get_event_status); @@ -506,7 +506,20 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) status = acpi_get_register(acpi_gbl_fixed_event_info[event]. - status_register_id, event_status); + enable_register_id, &value); + if (ACPI_FAILURE(status)) + return_ACPI_STATUS(status); + + *event_status = value; + + status = + acpi_get_register(acpi_gbl_fixed_event_info[event]. + status_register_id, &value); + if (ACPI_FAILURE(status)) + return_ACPI_STATUS(status); + + if (value) + *event_status |= ACPI_EVENT_FLAG_SET; return_ACPI_STATUS(status); } @@ -566,7 +579,6 @@ acpi_get_gpe_status(acpi_handle gpe_device, } ACPI_EXPORT_SYMBOL(acpi_get_gpe_status) -#endif /* ACPI_FUTURE_USAGE */ /******************************************************************************* * * FUNCTION: acpi_install_gpe_block diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index 39d7421..2a32c84 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("exconfig") /* Local prototypes */ static acpi_status -acpi_ex_add_table(acpi_native_uint table_index, +acpi_ex_add_table(u32 table_index, struct acpi_namespace_node *parent_node, union acpi_operand_object **ddb_handle); @@ -73,7 +73,7 @@ acpi_ex_add_table(acpi_native_uint table_index, ******************************************************************************/ static acpi_status -acpi_ex_add_table(acpi_native_uint table_index, +acpi_ex_add_table(u32 table_index, struct acpi_namespace_node *parent_node, union acpi_operand_object **ddb_handle) { @@ -96,7 +96,8 @@ acpi_ex_add_table(acpi_native_uint table_index, /* Install the new table into the local data structures */ - obj_desc->reference.object = ACPI_CAST_PTR(void, table_index); + obj_desc->reference.object = ACPI_CAST_PTR(void, + (unsigned long)table_index); /* Add the table to the namespace */ @@ -128,12 +129,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, { acpi_status status; union acpi_operand_object **operand = &walk_state->operands[0]; - acpi_native_uint table_index; struct acpi_namespace_node *parent_node; struct acpi_namespace_node *start_node; struct acpi_namespace_node *parameter_node = NULL; union acpi_operand_object *ddb_handle; struct acpi_table_header *table; + u32 table_index; ACPI_FUNCTION_TRACE(ex_load_table_op); @@ -280,7 +281,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, { union acpi_operand_object *ddb_handle; struct acpi_table_desc table_desc; - acpi_native_uint table_index; + u32 table_index; acpi_status status; u32 length; @@ -437,7 +438,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) { acpi_status status = AE_OK; union acpi_operand_object *table_desc = ddb_handle; - acpi_native_uint table_index; + u32 table_index; struct acpi_table_header *table; ACPI_FUNCTION_TRACE(ex_unload_table); @@ -454,9 +455,9 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Get the table index from the ddb_handle */ + /* Get the table index from the ddb_handle (acpi_size for 64-bit case) */ - table_index = (acpi_native_uint) table_desc->reference.object; + table_index = (u32) (acpi_size) table_desc->reference.object; /* Invoke table handler if present */ diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c index fd954b4..261d975 100644 --- a/drivers/acpi/executer/exconvrt.c +++ b/drivers/acpi/executer/exconvrt.c @@ -288,11 +288,11 @@ acpi_ex_convert_to_ascii(acpi_integer integer, u16 base, u8 * string, u8 data_width) { acpi_integer digit; - acpi_native_uint i; - acpi_native_uint j; - acpi_native_uint k = 0; - acpi_native_uint hex_length; - acpi_native_uint decimal_length; + u32 i; + u32 j; + u32 k = 0; + u32 hex_length; + u32 decimal_length; u32 remainder; u8 supress_zeros; @@ -348,7 +348,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer, /* hex_length: 2 ascii hex chars per data byte */ - hex_length = (acpi_native_uint) ACPI_MUL_2(data_width); + hex_length = ACPI_MUL_2(data_width); for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) { /* Get one hex digit, most significant digits first */ diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index 60e62c4..ad09696 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -45,8 +45,6 @@ #include <acpi/acinterp.h> #include <acpi/amlcode.h> #include <acpi/acnamesp.h> -#include <acpi/acevents.h> -#include <acpi/actables.h> #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("excreate") diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 74f1b22..2be2e2b 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -580,25 +580,22 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth) case ACPI_TYPE_BUFFER: - acpi_os_printf("Buffer len %X @ %p\n", + acpi_os_printf("Buffer length %.2X @ %p\n", obj_desc->buffer.length, obj_desc->buffer.pointer); - length = obj_desc->buffer.length; - if (length > 64) { - length = 64; - } - /* Debug only -- dump the buffer contents */ if (obj_desc->buffer.pointer) { - acpi_os_printf("Buffer Contents: "); - - for (index = 0; index < length; index++) { - acpi_os_printf(" %02x", - obj_desc->buffer.pointer[index]); + length = obj_desc->buffer.length; + if (length > 128) { + length = 128; } - acpi_os_printf("\n"); + + acpi_os_printf + ("Buffer Contents: (displaying length 0x%.2X)\n", + length); + ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length); } break; @@ -756,54 +753,42 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth) * * FUNCTION: acpi_ex_dump_operands * - * PARAMETERS: Operands - Operand list - * interpreter_mode - Load or Exec - * Ident - Identification - * num_levels - # of stack entries to dump above line - * Note - Output notation - * module_name - Caller's module name - * line_number - Caller's invocation line number + * PARAMETERS: Operands - A list of Operand objects + * opcode_name - AML opcode name + * num_operands - Operand count for this opcode * - * DESCRIPTION: Dump the object stack + * DESCRIPTION: Dump the operands associated with the opcode * ******************************************************************************/ void acpi_ex_dump_operands(union acpi_operand_object **operands, - acpi_interpreter_mode interpreter_mode, - char *ident, - u32 num_levels, - char *note, char *module_name, u32 line_number) + const char *opcode_name, u32 num_operands) { - acpi_native_uint i; - ACPI_FUNCTION_NAME(ex_dump_operands); - if (!ident) { - ident = "?"; - } - - if (!note) { - note = "?"; + if (!opcode_name) { + opcode_name = "UNKNOWN"; } ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "************* Operand Stack Contents (Opcode [%s], %d Operands)\n", - ident, num_levels)); + "**** Start operand dump for opcode [%s], %d operands\n", + opcode_name, num_operands)); - if (num_levels == 0) { - num_levels = 1; + if (num_operands == 0) { + num_operands = 1; } - /* Dump the operand stack starting at the top */ + /* Dump the individual operands */ - for (i = 0; num_levels > 0; i--, num_levels--) { - acpi_ex_dump_operand(operands[i], 0); + while (num_operands) { + acpi_ex_dump_operand(*operands, 0); + operands++; + num_operands--; } ACPI_DEBUG_PRINT((ACPI_DB_EXEC, - "************* Operand Stack dump from %s(%d), %s\n", - module_name, line_number, note)); + "**** End operand dump for [%s]\n", opcode_name)); return; } diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index e336b5d..9ff9d1f 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -153,14 +153,15 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, /* * Slack mode only: We will go ahead and allow access to this * field if it is within the region length rounded up to the next - * access width boundary. + * access width boundary. acpi_size cast for 64-bit compile. */ if (ACPI_ROUND_UP(rgn_desc->region.length, obj_desc->common_field. access_byte_width) >= - (obj_desc->common_field.base_byte_offset + - (acpi_native_uint) obj_desc->common_field. - access_byte_width + field_datum_byte_offset)) { + ((acpi_size) obj_desc->common_field. + base_byte_offset + + obj_desc->common_field.access_byte_width + + field_datum_byte_offset)) { return_ACPI_STATUS(AE_OK); } } diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c index cc956a5..731414a 100644 --- a/drivers/acpi/executer/exmisc.c +++ b/drivers/acpi/executer/exmisc.c @@ -329,8 +329,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, /* Result of two Strings is a String */ - return_desc = acpi_ut_create_string_object((acpi_size) - (operand0->string. + return_desc = acpi_ut_create_string_object(((acpi_size) + operand0->string. length + local_operand1-> string.length)); @@ -352,8 +352,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, /* Result of two Buffers is a Buffer */ - return_desc = acpi_ut_create_buffer_object((acpi_size) - (operand0->buffer. + return_desc = acpi_ut_create_buffer_object(((acpi_size) + operand0->buffer. length + local_operand1-> buffer.length)); diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c index 3a2f8cd..5d438c3 100644 --- a/drivers/acpi/executer/exprep.c +++ b/drivers/acpi/executer/exprep.c @@ -503,11 +503,11 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) */ second_desc = obj_desc->common.next_object; second_desc->extra.aml_start = - ((union acpi_parse_object *)(info->data_register_node))-> - named.data; + ACPI_CAST_PTR(union acpi_parse_object, + info->data_register_node)->named.data; second_desc->extra.aml_length = - ((union acpi_parse_object *)(info->data_register_node))-> - named.length; + ACPI_CAST_PTR(union acpi_parse_object, + info->data_register_node)->named.length; break; diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c index 7cd8bb5..7a41c40 100644 --- a/drivers/acpi/executer/exregion.c +++ b/drivers/acpi/executer/exregion.c @@ -156,7 +156,7 @@ acpi_ex_system_memory_space_handler(u32 function, /* Create a new mapping starting at the address given */ mem_info->mapped_logical_address = - acpi_os_map_memory((acpi_native_uint) address, window_size); + acpi_os_map_memory((acpi_physical_address) address, window_size); if (!mem_info->mapped_logical_address) { ACPI_ERROR((AE_INFO, "Could not map memory at %8.8X%8.8X, size %X", diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c index 73e29e5..54085f1 100644 --- a/drivers/acpi/executer/exresop.c +++ b/drivers/acpi/executer/exresop.c @@ -698,5 +698,9 @@ acpi_ex_resolve_operands(u16 opcode, } } + ACPI_DUMP_OPERANDS(walk_state->operands, + acpi_ps_get_opcode_name(opcode), + walk_state->num_operands); + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c index 76c875b..38b55e3 100644 --- a/drivers/acpi/executer/exstore.c +++ b/drivers/acpi/executer/exstore.c @@ -343,12 +343,6 @@ acpi_ex_store(union acpi_operand_object *source_desc, acpi_ut_get_object_type_name(dest_desc), dest_desc)); - ACPI_DUMP_STACK_ENTRY(source_desc); - ACPI_DUMP_STACK_ENTRY(dest_desc); - ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ExStore", - 2, - "Target is not a Reference or Constant object"); - return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 6cf10cb..55c17af 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -148,7 +148,7 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, int result = 0; struct seq_file *m = file->private_data; struct acpi_device *device = m->private; - char state_string[12] = { '\0' }; + char state_string[3] = { '\0' }; if (count > sizeof(state_string) - 1) return -EINVAL; @@ -157,6 +157,12 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, return -EFAULT; state_string[count] = '\0'; + if ((state_string[0] < '0') || (state_string[0] > '3')) + return -EINVAL; + if (state_string[1] == '\n') + state_string[1] = '\0'; + if (state_string[1] != '\0') + return -EINVAL; result = acpi_bus_set_power(device->handle, simple_strtoul(state_string, NULL, 0)); diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 9b227d4..0f2dd81 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -166,6 +166,8 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) "firmware_node"); ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj, "physical_node"); + if (acpi_dev->wakeup.flags.valid) + device_set_wakeup_capable(dev, true); } return 0; @@ -336,6 +338,9 @@ static int __init acpi_rtc_init(void) if (acpi_disabled) return 0; + if (acpi_disabled) + return 0; + if (dev) { rtc_wake_setup(); rtc_info.wake_on = rtc_wake_on; diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c index 14bc4f4..0b80db9 100644 --- a/drivers/acpi/hardware/hwgpe.c +++ b/drivers/acpi/hardware/hwgpe.c @@ -55,6 +55,54 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, /****************************************************************************** * + * FUNCTION: acpi_hw_low_disable_gpe + * + * PARAMETERS: gpe_event_info - Info block for the GPE to be disabled + * + * RETURN: Status + * + * DESCRIPTION: Disable a single GPE in the enable register. + * + ******************************************************************************/ + +acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info) +{ + struct acpi_gpe_register_info *gpe_register_info; + acpi_status status; + u32 enable_mask; + + /* Get the info block for the entire GPE register */ + + gpe_register_info = gpe_event_info->register_info; + if (!gpe_register_info) { + return (AE_NOT_EXIST); + } + + /* Get current value of the enable register that contains this GPE */ + + status = acpi_hw_low_level_read(ACPI_GPE_REGISTER_WIDTH, &enable_mask, + &gpe_register_info->enable_address); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Clear just the bit that corresponds to this GPE */ + + ACPI_CLEAR_BIT(enable_mask, + ((u32) 1 << + (gpe_event_info->gpe_number - + gpe_register_info->base_gpe_number))); + + /* Write the updated enable mask */ + + status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, enable_mask, + &gpe_register_info->enable_address); + + return (status); +} + +/****************************************************************************** + * * FUNCTION: acpi_hw_write_gpe_enable_reg * * PARAMETERS: gpe_event_info - Info block for the GPE to be enabled @@ -68,7 +116,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, ******************************************************************************/ acpi_status -acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info) +acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info) { struct acpi_gpe_register_info *gpe_register_info; acpi_status status; @@ -138,7 +186,6 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info) * ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE acpi_status acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, acpi_event_status * event_status) @@ -198,7 +245,6 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info, unlock_and_exit: return (status); } -#endif /* ACPI_FUTURE_USAGE */ /****************************************************************************** * diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c index 5445751..0ab2200 100644 --- a/drivers/acpi/namespace/nsdump.c +++ b/drivers/acpi/namespace/nsdump.c @@ -73,7 +73,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle, void acpi_ns_print_pathname(u32 num_segments, char *pathname) { - acpi_native_uint i; + u32 i; ACPI_FUNCTION_NAME(ns_print_pathname); @@ -515,12 +515,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, if (obj_type > ACPI_TYPE_LOCAL_MAX) { acpi_os_printf - ("(Ptr to ACPI Object type %X [UNKNOWN])\n", + ("(Pointer to ACPI Object type %.2X [UNKNOWN])\n", obj_type); bytes_to_dump = 32; } else { acpi_os_printf - ("(Ptr to ACPI Object type %X [%s])\n", + ("(Pointer to ACPI Object type %.2X [%s])\n", obj_type, acpi_ut_get_type_name(obj_type)); bytes_to_dump = sizeof(union acpi_operand_object); diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c index 14bdfa9..d369164 100644 --- a/drivers/acpi/namespace/nseval.c +++ b/drivers/acpi/namespace/nseval.c @@ -138,6 +138,41 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info) return_ACPI_STATUS(AE_NULL_OBJECT); } + /* + * Calculate the number of arguments being passed to the method + */ + + info->param_count = 0; + if (info->parameters) { + while (info->parameters[info->param_count]) + info->param_count++; + } + + /* Error if too few arguments were passed in */ + + if (info->param_count < info->obj_desc->method.param_count) { + ACPI_ERROR((AE_INFO, + "Insufficient arguments - " + "method [%4.4s] needs %d, found %d", + acpi_ut_get_node_name(info->resolved_node), + info->obj_desc->method.param_count, + info->param_count)); + return_ACPI_STATUS(AE_MISSING_ARGUMENTS); + } + + /* Just a warning if too many arguments */ + + else if (info->param_count > + info->obj_desc->method.param_count) { + ACPI_WARNING((AE_INFO, + "Excess arguments - " + "method [%4.4s] needs %d, found %d", + acpi_ut_get_node_name(info-> + resolved_node), + info->obj_desc->method.param_count, + info->param_count)); + } + ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:", ACPI_LV_INFO, _COMPONENT); diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c index 6d6d930..e4c5751 100644 --- a/drivers/acpi/namespace/nsinit.c +++ b/drivers/acpi/namespace/nsinit.c @@ -542,7 +542,6 @@ acpi_ns_init_one_device(acpi_handle obj_handle, info->prefix_node = device_node; info->pathname = METHOD_NAME__INI; info->parameters = NULL; - info->parameter_type = ACPI_PARAM_ARGS; info->flags = ACPI_IGNORE_RETURN_VALUE; /* diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c index 2c92f6c..a4a412b 100644 --- a/drivers/acpi/namespace/nsload.c +++ b/drivers/acpi/namespace/nsload.c @@ -71,8 +71,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle); ******************************************************************************/ acpi_status -acpi_ns_load_table(acpi_native_uint table_index, - struct acpi_namespace_node *node) +acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) { acpi_status status; diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c index 46a79b0..a82271a 100644 --- a/drivers/acpi/namespace/nsparse.c +++ b/drivers/acpi/namespace/nsparse.c @@ -63,13 +63,13 @@ ACPI_MODULE_NAME("nsparse") * ******************************************************************************/ acpi_status -acpi_ns_one_complete_parse(acpi_native_uint pass_number, - acpi_native_uint table_index, - struct acpi_namespace_node * start_node) +acpi_ns_one_complete_parse(u32 pass_number, + u32 table_index, + struct acpi_namespace_node *start_node) { union acpi_parse_object *parse_root; acpi_status status; - acpi_native_uint aml_length; + u32 aml_length; u8 *aml_start; struct acpi_walk_state *walk_state; struct acpi_table_header *table; @@ -112,8 +112,8 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number, aml_start = (u8 *) table + sizeof(struct acpi_table_header); aml_length = table->length - sizeof(struct acpi_table_header); status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL, - aml_start, (u32) aml_length, - NULL, (u8) pass_number); + aml_start, aml_length, NULL, + (u8) pass_number); } if (ACPI_FAILURE(status)) { @@ -158,8 +158,7 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number, ******************************************************************************/ acpi_status -acpi_ns_parse_table(acpi_native_uint table_index, - struct acpi_namespace_node *start_node) +acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node) { acpi_status status; diff --git a/drivers/acpi/namespace/nsutils.c b/drivers/acpi/namespace/nsutils.c index 64c0398..b0817e1 100644 --- a/drivers/acpi/namespace/nsutils.c +++ b/drivers/acpi/namespace/nsutils.c @@ -73,9 +73,9 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node *node_to_search); ******************************************************************************/ void -acpi_ns_report_error(char *module_name, +acpi_ns_report_error(const char *module_name, u32 line_number, - char *internal_name, acpi_status lookup_status) + const char *internal_name, acpi_status lookup_status) { acpi_status status; u32 bad_name; @@ -130,11 +130,11 @@ acpi_ns_report_error(char *module_name, ******************************************************************************/ void -acpi_ns_report_method_error(char *module_name, +acpi_ns_report_method_error(const char *module_name, u32 line_number, - char *message, + const char *message, struct acpi_namespace_node *prefix_node, - char *path, acpi_status method_status) + const char *path, acpi_status method_status) { acpi_status status; struct acpi_namespace_node *node = prefix_node; @@ -167,7 +167,8 @@ acpi_ns_report_method_error(char *module_name, ******************************************************************************/ void -acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *message) +acpi_ns_print_node_pathname(struct acpi_namespace_node *node, + const char *message) { struct acpi_buffer buffer; acpi_status status; @@ -296,7 +297,7 @@ u32 acpi_ns_local(acpi_object_type type) void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info) { - char *next_external_char; + const char *next_external_char; u32 i; ACPI_FUNCTION_ENTRY(); @@ -363,9 +364,9 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) { u32 num_segments = info->num_segments; char *internal_name = info->internal_name; - char *external_name = info->next_external_char; + const char *external_name = info->next_external_char; char *result = NULL; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(ns_build_internal_name); @@ -400,12 +401,11 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) result = &internal_name[i]; } else if (num_segments == 2) { internal_name[i] = AML_DUAL_NAME_PREFIX; - result = &internal_name[(acpi_native_uint) (i + 1)]; + result = &internal_name[(acpi_size) i + 1]; } else { internal_name[i] = AML_MULTI_NAME_PREFIX_OP; - internal_name[(acpi_native_uint) (i + 1)] = - (char)num_segments; - result = &internal_name[(acpi_native_uint) (i + 2)]; + internal_name[(acpi_size) i + 1] = (char)num_segments; + result = &internal_name[(acpi_size) i + 2]; } } @@ -472,7 +472,8 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) * *******************************************************************************/ -acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name) +acpi_status +acpi_ns_internalize_name(const char *external_name, char **converted_name) { char *internal_name; struct acpi_namestring_info info; @@ -528,15 +529,15 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name) acpi_status acpi_ns_externalize_name(u32 internal_name_length, - char *internal_name, + const char *internal_name, u32 * converted_name_length, char **converted_name) { - acpi_native_uint names_index = 0; - acpi_native_uint num_segments = 0; - acpi_native_uint required_length; - acpi_native_uint prefix_length = 0; - acpi_native_uint i = 0; - acpi_native_uint j = 0; + u32 names_index = 0; + u32 num_segments = 0; + u32 required_length; + u32 prefix_length = 0; + u32 i = 0; + u32 j = 0; ACPI_FUNCTION_TRACE(ns_externalize_name); @@ -582,9 +583,8 @@ acpi_ns_externalize_name(u32 internal_name_length, /* <count> 4-byte names */ names_index = prefix_length + 2; - num_segments = (acpi_native_uint) (u8) - internal_name[(acpi_native_uint) - (prefix_length + 1)]; + num_segments = (u8) + internal_name[(acpi_size) prefix_length + 1]; break; case AML_DUAL_NAME_PREFIX: @@ -823,7 +823,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type) acpi_status acpi_ns_get_node(struct acpi_namespace_node *prefix_node, - char *pathname, + const char *pathname, u32 flags, struct acpi_namespace_node **return_node) { union acpi_generic_state scope_info; diff --git a/drivers/acpi/namespace/nsxfeval.c b/drivers/acpi/namespace/nsxfeval.c index a8d5491..38be586 100644 --- a/drivers/acpi/namespace/nsxfeval.c +++ b/drivers/acpi/namespace/nsxfeval.c @@ -182,7 +182,6 @@ acpi_evaluate_object(acpi_handle handle, } info->pathname = pathname; - info->parameter_type = ACPI_PARAM_ARGS; /* Convert and validate the device handle */ @@ -442,7 +441,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, u32 flags; struct acpica_device_id hid; struct acpi_compatible_id_list *cid; - acpi_native_uint i; + u32 i; int found; status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 658e5f3..cb9864e 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -120,10 +120,10 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header) struct acpi_srat_mem_affinity *p = (struct acpi_srat_mem_affinity *)header; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "SRAT Memory (0x%lx length 0x%lx type 0x%x) in proximity domain %d %s%s\n", + "SRAT Memory (0x%lx length 0x%lx) in proximity domain %d %s%s\n", (unsigned long)p->base_address, (unsigned long)p->length, - p->memory_type, p->proximity_domain, + p->proximity_domain, (p->flags & ACPI_SRAT_MEM_ENABLED)? "enabled" : "disabled", (p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)? diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c index e944637..d830b29 100644 --- a/drivers/acpi/parser/psargs.c +++ b/drivers/acpi/parser/psargs.c @@ -76,7 +76,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state) { u8 *aml = parser_state->aml; u32 package_length = 0; - acpi_native_uint byte_count; + u32 byte_count; u8 byte_zero_mask = 0x3F; /* Default [0:5] */ ACPI_FUNCTION_TRACE(ps_get_next_package_length); @@ -86,7 +86,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state) * used to encode the package length, either 0,1,2, or 3 */ byte_count = (aml[0] >> 6); - parser_state->aml += (byte_count + 1); + parser_state->aml += ((acpi_size) byte_count + 1); /* Get bytes 3, 2, 1 as needed */ diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c index 5258145..270469a 100644 --- a/drivers/acpi/parser/psxface.c +++ b/drivers/acpi/parser/psxface.c @@ -333,9 +333,9 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) static void acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action) { - acpi_native_uint i; + u32 i; - if ((info->parameter_type == ACPI_PARAM_ARGS) && (info->parameters)) { + if (info->parameters) { /* Update reference count for each parameter */ diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index b37cb0a..bf79d83 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -162,7 +162,7 @@ do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt) !strcmp(prt->source, quirk->source) && strlen(prt->source) >= strlen(quirk->actual_source)) { printk(KERN_WARNING PREFIX "firmware reports " - "%04x:%02x:%02x[%c] connected to %s; " + "%04x:%02x:%02x PCI INT %c connected to %s; " "changing to %s\n", entry->id.segment, entry->id.bus, entry->id.device, 'A' + entry->pin, @@ -485,7 +485,7 @@ acpi_pci_irq_derive(struct pci_dev *dev, { struct pci_dev *bridge = dev; int irq = -1; - u8 bridge_pin = 0; + u8 bridge_pin = 0, orig_pin = pin; if (!dev) @@ -519,8 +519,8 @@ acpi_pci_irq_derive(struct pci_dev *dev, } if (irq < 0) { - printk(KERN_WARNING PREFIX "Unable to derive IRQ for device %s\n", - pci_name(dev)); + dev_warn(&dev->dev, "can't derive routing for PCI INT %c\n", + 'A' + orig_pin); return -1; } @@ -543,6 +543,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) int triggering = ACPI_LEVEL_SENSITIVE; int polarity = ACPI_ACTIVE_LOW; char *link = NULL; + char link_desc[16]; int rc; @@ -559,7 +560,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) pin--; if (!dev->bus) { - printk(KERN_ERR PREFIX "Invalid (NULL) 'bus' field\n"); + dev_err(&dev->dev, "invalid (NULL) 'bus' field\n"); return -ENODEV; } @@ -594,8 +595,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) * driver reported one, then use it. Exit in any case. */ if (irq < 0) { - printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: no GSI", - pci_name(dev), ('A' + pin)); + dev_warn(&dev->dev, "PCI INT %c: no GSI", 'A' + pin); /* Interrupt Line values above 0xF are forbidden */ if (dev->irq > 0 && (dev->irq <= 0xF)) { printk(" - using IRQ %d\n", dev->irq); @@ -610,21 +610,21 @@ int acpi_pci_irq_enable(struct pci_dev *dev) rc = acpi_register_gsi(irq, triggering, polarity); if (rc < 0) { - printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed " - "to register GSI\n", pci_name(dev), ('A' + pin)); + dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n", + 'A' + pin); return rc; } dev->irq = rc; - printk(KERN_INFO PREFIX "PCI Interrupt %s[%c] -> ", - pci_name(dev), 'A' + pin); - if (link) - printk("Link [%s] -> ", link); + snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link); + else + link_desc[0] = '\0'; - printk("GSI %u (%s, %s) -> IRQ %d\n", irq, - (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge", - (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq); + dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n", + 'A' + pin, link_desc, irq, + (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge", + (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq); return 0; } @@ -672,10 +672,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev) * (e.g. PCI_UNDEFINED_IRQ). */ - printk(KERN_INFO PREFIX "PCI interrupt for device %s disabled\n", - pci_name(dev)); - + dev_info(&dev->dev, "PCI INT %c disabled\n", 'A' + pin); acpi_unregister_gsi(gsi); - - return; } diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c new file mode 100644 index 0000000..b9ab030 --- /dev/null +++ b/drivers/acpi/pci_slot.c @@ -0,0 +1,368 @@ +/* + * pci_slot.c - ACPI PCI Slot Driver + * + * The code here is heavily leveraged from the acpiphp module. + * Thanks to Matthew Wilcox <matthew@wil.cx> for much guidance. + * Thanks to Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> for code + * review and fixes. + * + * Copyright (C) 2007 Alex Chiang <achiang@hp.com> + * Copyright (C) 2007 Hewlett-Packard Development Company, L.P. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/acpi.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> + +static int debug; +static int check_sta_before_sun; + +#define DRIVER_VERSION "0.1" +#define DRIVER_AUTHOR "Alex Chiang <achiang@hp.com>" +#define DRIVER_DESC "ACPI PCI Slot Detection Driver" +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); +MODULE_PARM_DESC(debug, "Debugging mode enabled or not"); +module_param(debug, bool, 0644); + +#define _COMPONENT ACPI_PCI_COMPONENT +ACPI_MODULE_NAME("pci_slot"); + +#define MY_NAME "pci_slot" +#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg) +#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg) +#define dbg(format, arg...) \ + do { \ + if (debug) \ + printk(KERN_DEBUG "%s: " format, \ + MY_NAME , ## arg); \ + } while (0) + +#define SLOT_NAME_SIZE 20 /* Inspired by #define in acpiphp.h */ + +struct acpi_pci_slot { + acpi_handle root_handle; /* handle of the root bridge */ + struct pci_slot *pci_slot; /* corresponding pci_slot */ + struct list_head list; /* node in the list of slots */ +}; + +static int acpi_pci_slot_add(acpi_handle handle); +static void acpi_pci_slot_remove(acpi_handle handle); + +static LIST_HEAD(slot_list); +static DEFINE_MUTEX(slot_list_lock); +static struct acpi_pci_driver acpi_pci_slot_driver = { + .add = acpi_pci_slot_add, + .remove = acpi_pci_slot_remove, +}; + +static int +check_slot(acpi_handle handle, int *device, unsigned long *sun) +{ + int retval = 0; + unsigned long adr, sta; + acpi_status status; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + + acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer); + dbg("Checking slot on path: %s\n", (char *)buffer.pointer); + + if (check_sta_before_sun) { + /* If SxFy doesn't have _STA, we just assume it's there */ + status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); + if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) { + retval = -1; + goto out; + } + } + + status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr); + if (ACPI_FAILURE(status)) { + dbg("_ADR returned %d on %s\n", status, (char *)buffer.pointer); + retval = -1; + goto out; + } + + *device = (adr >> 16) & 0xffff; + + /* No _SUN == not a slot == bail */ + status = acpi_evaluate_integer(handle, "_SUN", NULL, sun); + if (ACPI_FAILURE(status)) { + dbg("_SUN returned %d on %s\n", status, (char *)buffer.pointer); + retval = -1; + goto out; + } + +out: + kfree(buffer.pointer); + return retval; +} + +struct callback_args { + acpi_walk_callback user_function; /* only for walk_p2p_bridge */ + struct pci_bus *pci_bus; + acpi_handle root_handle; +}; + +/* + * register_slot + * + * Called once for each SxFy object in the namespace. Don't worry about + * calling pci_create_slot multiple times for the same pci_bus:device, + * since each subsequent call simply bumps the refcount on the pci_slot. + * + * The number of calls to pci_destroy_slot from unregister_slot is + * symmetrical. + */ +static acpi_status +register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + int device; + unsigned long sun; + char name[SLOT_NAME_SIZE]; + struct acpi_pci_slot *slot; + struct pci_slot *pci_slot; + struct callback_args *parent_context = context; + struct pci_bus *pci_bus = parent_context->pci_bus; + + if (check_slot(handle, &device, &sun)) + return AE_OK; + + slot = kmalloc(sizeof(*slot), GFP_KERNEL); + if (!slot) { + err("%s: cannot allocate memory\n", __func__); + return AE_OK; + } + + snprintf(name, sizeof(name), "%u", (u32)sun); + pci_slot = pci_create_slot(pci_bus, device, name); + if (IS_ERR(pci_slot)) { + err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot)); + kfree(slot); + } + + slot->root_handle = parent_context->root_handle; + slot->pci_slot = pci_slot; + INIT_LIST_HEAD(&slot->list); + mutex_lock(&slot_list_lock); + list_add(&slot->list, &slot_list); + mutex_unlock(&slot_list_lock); + + dbg("pci_slot: %p, pci_bus: %x, device: %d, name: %s\n", + pci_slot, pci_bus->number, device, name); + + return AE_OK; +} + +/* + * walk_p2p_bridge - discover and walk p2p bridges + * @handle: points to an acpi_pci_root + * @context: p2p_bridge_context pointer + * + * Note that when we call ourselves recursively, we pass a different + * value of pci_bus in the child_context. + */ +static acpi_status +walk_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + int device, function; + unsigned long adr; + acpi_status status; + acpi_handle dummy_handle; + acpi_walk_callback user_function; + + struct pci_dev *dev; + struct pci_bus *pci_bus; + struct callback_args child_context; + struct callback_args *parent_context = context; + + pci_bus = parent_context->pci_bus; + user_function = parent_context->user_function; + + status = acpi_get_handle(handle, "_ADR", &dummy_handle); + if (ACPI_FAILURE(status)) + return AE_OK; + + status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr); + if (ACPI_FAILURE(status)) + return AE_OK; + + device = (adr >> 16) & 0xffff; + function = adr & 0xffff; + + dev = pci_get_slot(pci_bus, PCI_DEVFN(device, function)); + if (!dev || !dev->subordinate) + goto out; + + child_context.pci_bus = dev->subordinate; + child_context.user_function = user_function; + child_context.root_handle = parent_context->root_handle; + + dbg("p2p bridge walk, pci_bus = %x\n", dev->subordinate->number); + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1, + user_function, &child_context, NULL); + if (ACPI_FAILURE(status)) + goto out; + + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1, + walk_p2p_bridge, &child_context, NULL); +out: + pci_dev_put(dev); + return AE_OK; +} + +/* + * walk_root_bridge - generic root bridge walker + * @handle: points to an acpi_pci_root + * @user_function: user callback for slot objects + * + * Call user_function for all objects underneath this root bridge. + * Walk p2p bridges underneath us and call user_function on those too. + */ +static int +walk_root_bridge(acpi_handle handle, acpi_walk_callback user_function) +{ + int seg, bus; + unsigned long tmp; + acpi_status status; + acpi_handle dummy_handle; + struct pci_bus *pci_bus; + struct callback_args context; + + /* If the bridge doesn't have _STA, we assume it is always there */ + status = acpi_get_handle(handle, "_STA", &dummy_handle); + if (ACPI_SUCCESS(status)) { + status = acpi_evaluate_integer(handle, "_STA", NULL, &tmp); + if (ACPI_FAILURE(status)) { + info("%s: _STA evaluation failure\n", __func__); + return 0; + } + if ((tmp & ACPI_STA_DEVICE_FUNCTIONING) == 0) + /* don't register this object */ + return 0; + } + + status = acpi_evaluate_integer(handle, "_SEG", NULL, &tmp); + seg = ACPI_SUCCESS(status) ? tmp : 0; + + status = acpi_evaluate_integer(handle, "_BBN", NULL, &tmp); + bus = ACPI_SUCCESS(status) ? tmp : 0; + + pci_bus = pci_find_bus(seg, bus); + if (!pci_bus) + return 0; + + context.pci_bus = pci_bus; + context.user_function = user_function; + context.root_handle = handle; + + dbg("root bridge walk, pci_bus = %x\n", pci_bus->number); + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1, + user_function, &context, NULL); + if (ACPI_FAILURE(status)) + return status; + + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1, + walk_p2p_bridge, &context, NULL); + if (ACPI_FAILURE(status)) + err("%s: walk_p2p_bridge failure - %d\n", __func__, status); + + return status; +} + +/* + * acpi_pci_slot_add + * @handle: points to an acpi_pci_root + */ +static int +acpi_pci_slot_add(acpi_handle handle) +{ + acpi_status status; + + status = walk_root_bridge(handle, register_slot); + if (ACPI_FAILURE(status)) + err("%s: register_slot failure - %d\n", __func__, status); + + return status; +} + +/* + * acpi_pci_slot_remove + * @handle: points to an acpi_pci_root + */ +static void +acpi_pci_slot_remove(acpi_handle handle) +{ + struct acpi_pci_slot *slot, *tmp; + + mutex_lock(&slot_list_lock); + list_for_each_entry_safe(slot, tmp, &slot_list, list) { + if (slot->root_handle == handle) { + list_del(&slot->list); + pci_destroy_slot(slot->pci_slot); + kfree(slot); + } + } + mutex_unlock(&slot_list_lock); +} + +static int do_sta_before_sun(const struct dmi_system_id *d) +{ + info("%s detected: will evaluate _STA before calling _SUN\n", d->ident); + check_sta_before_sun = 1; + return 0; +} + +static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = { + /* + * Fujitsu Primequest machines will return 1023 to indicate an + * error if the _SUN method is evaluated on SxFy objects that + * are not present (as indicated by _STA), so for those machines, + * we want to check _STA before evaluating _SUN. + */ + { + .callback = do_sta_before_sun, + .ident = "Fujitsu PRIMEQUEST", + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "FUJITSU LIMITED"), + DMI_MATCH(DMI_BIOS_VERSION, "PRIMEQUEST"), + }, + }, + {} +}; + +static int __init +acpi_pci_slot_init(void) +{ + dmi_check_system(acpi_pci_slot_dmi_table); + acpi_pci_register_driver(&acpi_pci_slot_driver); + return 0; +} + +static void __exit +acpi_pci_slot_exit(void) +{ + acpi_pci_unregister_driver(&acpi_pci_slot_driver); +} + +module_init(acpi_pci_slot_init); +module_exit(acpi_pci_slot_exit); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 81e4f08..4ab21cb 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -292,69 +292,135 @@ static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev) return 0; } +/** + * acpi_device_sleep_wake - execute _DSW (Device Sleep Wake) or (deprecated in + * ACPI 3.0) _PSW (Power State Wake) + * @dev: Device to handle. + * @enable: 0 - disable, 1 - enable the wake capabilities of the device. + * @sleep_state: Target sleep state of the system. + * @dev_state: Target power state of the device. + * + * Execute _DSW (Device Sleep Wake) or (deprecated in ACPI 3.0) _PSW (Power + * State Wake) for the device, if present. On failure reset the device's + * wakeup.flags.valid flag. + * + * RETURN VALUE: + * 0 if either _DSW or _PSW has been successfully executed + * 0 if neither _DSW nor _PSW has been found + * -ENODEV if the execution of either _DSW or _PSW has failed + */ +int acpi_device_sleep_wake(struct acpi_device *dev, + int enable, int sleep_state, int dev_state) +{ + union acpi_object in_arg[3]; + struct acpi_object_list arg_list = { 3, in_arg }; + acpi_status status = AE_OK; + + /* + * Try to execute _DSW first. + * + * Three agruments are needed for the _DSW object: + * Argument 0: enable/disable the wake capabilities + * Argument 1: target system state + * Argument 2: target device state + * When _DSW object is called to disable the wake capabilities, maybe + * the first argument is filled. The values of the other two agruments + * are meaningless. + */ + in_arg[0].type = ACPI_TYPE_INTEGER; + in_arg[0].integer.value = enable; + in_arg[1].type = ACPI_TYPE_INTEGER; + in_arg[1].integer.value = sleep_state; + in_arg[2].type = ACPI_TYPE_INTEGER; + in_arg[2].integer.value = dev_state; + status = acpi_evaluate_object(dev->handle, "_DSW", &arg_list, NULL); + if (ACPI_SUCCESS(status)) { + return 0; + } else if (status != AE_NOT_FOUND) { + printk(KERN_ERR PREFIX "_DSW execution failed\n"); + dev->wakeup.flags.valid = 0; + return -ENODEV; + } + + /* Execute _PSW */ + arg_list.count = 1; + in_arg[0].integer.value = enable; + status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL); + if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { + printk(KERN_ERR PREFIX "_PSW execution failed\n"); + dev->wakeup.flags.valid = 0; + return -ENODEV; + } + + return 0; +} + /* * Prepare a wakeup device, two steps (Ref ACPI 2.0:P229): * 1. Power on the power resources required for the wakeup device - * 2. Enable _PSW (power state wake) for the device if present + * 2. Execute _DSW (Device Sleep Wake) or (deprecated in ACPI 3.0) _PSW (Power + * State Wake) for the device, if present */ -int acpi_enable_wakeup_device_power(struct acpi_device *dev) +int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state) { - union acpi_object arg = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg }; - acpi_status status = AE_OK; - int i; - int ret = 0; + int i, err; if (!dev || !dev->wakeup.flags.valid) - return -1; + return -EINVAL; + + /* + * Do not execute the code below twice in a row without calling + * acpi_disable_wakeup_device_power() in between for the same device + */ + if (dev->wakeup.flags.prepared) + return 0; - arg.integer.value = 1; /* Open power resource */ for (i = 0; i < dev->wakeup.resources.count; i++) { - ret = acpi_power_on(dev->wakeup.resources.handles[i], dev); + int ret = acpi_power_on(dev->wakeup.resources.handles[i], dev); if (ret) { printk(KERN_ERR PREFIX "Transition power state\n"); dev->wakeup.flags.valid = 0; - return -1; + return -ENODEV; } } - /* Execute PSW */ - status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL); - if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - printk(KERN_ERR PREFIX "Evaluate _PSW\n"); - dev->wakeup.flags.valid = 0; - ret = -1; - } + /* + * Passing 3 as the third argument below means the device may be placed + * in arbitrary power state afterwards. + */ + err = acpi_device_sleep_wake(dev, 1, sleep_state, 3); + if (!err) + dev->wakeup.flags.prepared = 1; - return ret; + return err; } /* * Shutdown a wakeup device, counterpart of above method - * 1. Disable _PSW (power state wake) + * 1. Execute _DSW (Device Sleep Wake) or (deprecated in ACPI 3.0) _PSW (Power + * State Wake) for the device, if present * 2. Shutdown down the power resources */ int acpi_disable_wakeup_device_power(struct acpi_device *dev) { - union acpi_object arg = { ACPI_TYPE_INTEGER }; - struct acpi_object_list arg_list = { 1, &arg }; - acpi_status status = AE_OK; - int i; - int ret = 0; - + int i, ret; if (!dev || !dev->wakeup.flags.valid) - return -1; + return -EINVAL; - arg.integer.value = 0; - /* Execute PSW */ - status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL); - if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - printk(KERN_ERR PREFIX "Evaluate _PSW\n"); - dev->wakeup.flags.valid = 0; - return -1; - } + /* + * Do not execute the code below twice in a row without calling + * acpi_enable_wakeup_device_power() in between for the same device + */ + if (!dev->wakeup.flags.prepared) + return 0; + + dev->wakeup.flags.prepared = 0; + + ret = acpi_device_sleep_wake(dev, 0, 0, 0); + if (ret) + return ret; /* Close power resource */ for (i = 0; i < dev->wakeup.resources.count; i++) { @@ -362,7 +428,7 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev) if (ret) { printk(KERN_ERR PREFIX "Transition power state\n"); dev->wakeup.flags.valid = 0; - return -1; + return -ENODEV; } } diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 9dd0fa9..ec0f2d5 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -118,8 +118,31 @@ static const struct file_operations acpi_processor_info_fops = { .release = single_release, }; -struct acpi_processor *processors[NR_CPUS]; +DEFINE_PER_CPU(struct acpi_processor *, processors); struct acpi_processor_errata errata __read_mostly; +static int set_no_mwait(const struct dmi_system_id *id) +{ + printk(KERN_NOTICE PREFIX "%s detected - " + "disable mwait for CPU C-stetes\n", id->ident); + idle_nomwait = 1; + return 0; +} + +static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = { + { + set_no_mwait, "IFL91 board", { + DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), + DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"), + DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL}, + { + set_no_mwait, "Extensa 5220", { + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), + DMI_MATCH(DMI_SYS_VENDOR, "ACER"), + DMI_MATCH(DMI_PRODUCT_VERSION, "0100"), + DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL}, + {}, +}; /* -------------------------------------------------------------------------- Errata Handling @@ -265,7 +288,20 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr) if (!pdc_in) return status; + if (idle_nomwait) { + /* + * If mwait is disabled for CPU C-states, the C2C3_FFH access + * mode will be disabled in the parameter of _PDC object. + * Of course C1_FFH access mode will also be disabled. + */ + union acpi_object *obj; + u32 *buffer = NULL; + obj = pdc_in->pointer; + buffer = (u32 *)(obj->buffer.pointer); + buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH); + + } status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL); if (ACPI_FAILURE(status)) @@ -614,14 +650,14 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid) return 0; } -static void *processor_device_array[NR_CPUS]; +static DEFINE_PER_CPU(void *, processor_device_array); static int __cpuinit acpi_processor_start(struct acpi_device *device) { int result = 0; acpi_status status = AE_OK; struct acpi_processor *pr; - + struct sys_device *sysdev; pr = acpi_driver_data(device); @@ -638,20 +674,24 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device) * ACPI id of processors can be reported wrongly by the BIOS. * Don't trust it blindly */ - if (processor_device_array[pr->id] != NULL && - processor_device_array[pr->id] != device) { + if (per_cpu(processor_device_array, pr->id) != NULL && + per_cpu(processor_device_array, pr->id) != device) { printk(KERN_WARNING "BIOS reported wrong ACPI id " "for the processor\n"); return -ENODEV; } - processor_device_array[pr->id] = device; + per_cpu(processor_device_array, pr->id) = device; - processors[pr->id] = pr; + per_cpu(processors, pr->id) = pr; result = acpi_processor_add_fs(device); if (result) goto end; + sysdev = get_cpu_sysdev(pr->id); + if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) + return -EFAULT; + status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify, pr); @@ -749,7 +789,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, unsigned long action, void *hcpu) { unsigned int cpu = (unsigned long)hcpu; - struct acpi_processor *pr = processors[cpu]; + struct acpi_processor *pr = per_cpu(processors, cpu); if (action == CPU_ONLINE && pr) { acpi_processor_ppc_has_changed(pr); @@ -810,6 +850,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type) status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify); + sysfs_remove_link(&device->dev.kobj, "sysdev"); + acpi_processor_remove_fs(device); if (pr->cdev) { @@ -819,8 +861,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type) pr->cdev = NULL; } - processors[pr->id] = NULL; - processor_device_array[pr->id] = NULL; + per_cpu(processors, pr->id) = NULL; + per_cpu(processor_device_array, pr->id) = NULL; kfree(pr); return 0; @@ -1014,9 +1056,9 @@ static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu) static int acpi_processor_handle_eject(struct acpi_processor *pr) { - if (cpu_online(pr->id)) { - return (-EINVAL); - } + if (cpu_online(pr->id)) + cpu_down(pr->id); + arch_unregister_cpu(pr->id); acpi_unmap_lsapic(pr->id); return (0); @@ -1068,8 +1110,6 @@ static int __init acpi_processor_init(void) { int result = 0; - - memset(&processors, 0, sizeof(processors)); memset(&errata, 0, sizeof(errata)); #ifdef CONFIG_SMP @@ -1083,6 +1123,11 @@ static int __init acpi_processor_init(void) return -ENOMEM; acpi_processor_dir->owner = THIS_MODULE; + /* + * Check whether the system is DMI table. If yes, OSPM + * should not use mwait for CPU-states. + */ + dmi_check_system(processor_idle_dmi_table); result = cpuidle_register_driver(&acpi_idle_driver); if (result < 0) goto out_proc; diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 556ee15..d592dbb 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -41,6 +41,7 @@ #include <linux/pm_qos_params.h> #include <linux/clockchips.h> #include <linux/cpuidle.h> +#include <linux/cpuidle.h> /* * Include the apic definitions for x86 to have the APIC timer related defines @@ -57,6 +58,7 @@ #include <acpi/acpi_bus.h> #include <acpi/processor.h> +#include <asm/processor.h> #define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" @@ -401,7 +403,7 @@ static void acpi_processor_idle(void) */ local_irq_disable(); - pr = processors[smp_processor_id()]; + pr = __get_cpu_var(processors); if (!pr) { local_irq_enable(); return; @@ -955,6 +957,21 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) } else { continue; } + if (cx.type == ACPI_STATE_C1 && + (idle_halt || idle_nomwait)) { + /* + * In most cases the C1 space_id obtained from + * _CST object is FIXED_HARDWARE access mode. + * But when the option of idle=halt is added, + * the entry_method type should be changed from + * CSTATE_FFH to CSTATE_HALT. + * When the option of idle=nomwait is added, + * the C1 entry_method type should be + * CSTATE_HALT. + */ + cx.entry_method = ACPI_CSTATE_HALT; + snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI HLT"); + } } else { snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI IOPORT 0x%x", cx.address); @@ -1339,7 +1356,7 @@ static void smp_callback(void *v) static int acpi_processor_latency_notify(struct notifier_block *b, unsigned long l, void *v) { - smp_call_function(smp_callback, NULL, 0, 1); + smp_call_function(smp_callback, NULL, 1); return NOTIFY_OK; } @@ -1431,7 +1448,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, struct acpi_processor *pr; struct acpi_processor_cx *cx = cpuidle_get_statedata(state); - pr = processors[smp_processor_id()]; + pr = __get_cpu_var(processors); if (unlikely(!pr)) return 0; @@ -1471,7 +1488,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, u32 t1, t2; int sleep_ticks = 0; - pr = processors[smp_processor_id()]; + pr = __get_cpu_var(processors); if (unlikely(!pr)) return 0; @@ -1549,7 +1566,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, u32 t1, t2; int sleep_ticks = 0; - pr = processors[smp_processor_id()]; + pr = __get_cpu_var(processors); if (unlikely(!pr)) return 0; @@ -1780,6 +1797,15 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, return 0; if (!first_run) { + if (idle_halt) { + /* + * When the boot option of "idle=halt" is added, halt + * is used for CPU IDLE. + * In such case C2/C3 is meaningless. So the max_cstate + * is set to one. + */ + max_cstate = 1; + } dmi_check_system(processor_power_dmi_table); max_cstate = acpi_processor_cstate_check(max_cstate); if (max_cstate < ACPI_C_STATES_MAX) diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index d80b2d1..b474996 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -89,7 +89,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb, if (event != CPUFREQ_INCOMPATIBLE) goto out; - pr = processors[policy->cpu]; + pr = per_cpu(processors, policy->cpu); if (!pr || !pr->performance) goto out; @@ -572,7 +572,7 @@ int acpi_processor_preregister_performance( /* Call _PSD for all CPUs */ for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr) { /* Look only at processors in ACPI namespace */ continue; @@ -603,7 +603,7 @@ int acpi_processor_preregister_performance( * domain info. */ for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr) continue; @@ -624,7 +624,7 @@ int acpi_processor_preregister_performance( cpus_clear(covered_cpus); for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr) continue; @@ -651,7 +651,7 @@ int acpi_processor_preregister_performance( if (i == j) continue; - match_pr = processors[j]; + match_pr = per_cpu(processors, j); if (!match_pr) continue; @@ -680,7 +680,7 @@ int acpi_processor_preregister_performance( if (i == j) continue; - match_pr = processors[j]; + match_pr = per_cpu(processors, j); if (!match_pr) continue; @@ -697,7 +697,7 @@ int acpi_processor_preregister_performance( err_ret: for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr || !pr->performance) continue; @@ -728,7 +728,7 @@ acpi_processor_register_performance(struct acpi_processor_performance mutex_lock(&performance_mutex); - pr = processors[cpu]; + pr = per_cpu(processors, cpu); if (!pr) { mutex_unlock(&performance_mutex); return -ENODEV; @@ -766,7 +766,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance mutex_lock(&performance_mutex); - pr = processors[cpu]; + pr = per_cpu(processors, cpu); if (!pr) { mutex_unlock(&performance_mutex); return; diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index bb06738..0622ace0 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -71,7 +71,7 @@ static int acpi_processor_update_tsd_coord(void) * coordination between all CPUs. */ for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr) continue; @@ -93,7 +93,7 @@ static int acpi_processor_update_tsd_coord(void) cpus_clear(covered_cpus); for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr) continue; @@ -119,7 +119,7 @@ static int acpi_processor_update_tsd_coord(void) if (i == j) continue; - match_pr = processors[j]; + match_pr = per_cpu(processors, j); if (!match_pr) continue; @@ -152,7 +152,7 @@ static int acpi_processor_update_tsd_coord(void) if (i == j) continue; - match_pr = processors[j]; + match_pr = per_cpu(processors, j); if (!match_pr) continue; @@ -172,7 +172,7 @@ static int acpi_processor_update_tsd_coord(void) err_ret: for_each_possible_cpu(i) { - pr = processors[i]; + pr = per_cpu(processors, i); if (!pr) continue; @@ -214,7 +214,7 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data) struct acpi_processor_throttling *p_throttling; cpu = p_tstate->cpu; - pr = processors[cpu]; + pr = per_cpu(processors, cpu); if (!pr) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid pr pointer\n")); return 0; @@ -1035,7 +1035,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) * cpus. */ for_each_cpu_mask(i, online_throttling_cpus) { - match_pr = processors[i]; + match_pr = per_cpu(processors, i); /* * If the pointer is invalid, we will report the * error message and continue. @@ -1232,7 +1232,10 @@ static ssize_t acpi_processor_write_throttling(struct file *file, int result = 0; struct seq_file *m = file->private_data; struct acpi_processor *pr = m->private; - char state_string[12] = { '\0' }; + char state_string[5] = ""; + char *charp = NULL; + size_t state_val = 0; + char tmpbuf[5] = ""; if (!pr || (count > sizeof(state_string) - 1)) return -EINVAL; @@ -1241,10 +1244,23 @@ static ssize_t acpi_processor_write_throttling(struct file *file, return -EFAULT; state_string[count] = '\0'; + if ((count > 0) && (state_string[count-1] == '\n')) + state_string[count-1] = '\0'; - result = acpi_processor_set_throttling(pr, - simple_strtoul(state_string, - NULL, 0)); + charp = state_string; + if ((state_string[0] == 't') || (state_string[0] == 'T')) + charp++; + + state_val = simple_strtoul(charp, NULL, 0); + if (state_val >= pr->throttling.state_count) + return -EINVAL; + + snprintf(tmpbuf, 5, "%zu", state_val); + + if (strcmp(tmpbuf, charp) != 0) + return -EINVAL; + + result = acpi_processor_set_throttling(pr, state_val); if (result) return result; diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c new file mode 100644 index 0000000..a6b662c --- /dev/null +++ b/drivers/acpi/reboot.c @@ -0,0 +1,50 @@ + +#include <linux/pci.h> +#include <linux/acpi.h> +#include <acpi/reboot.h> + +void acpi_reboot(void) +{ + struct acpi_generic_address *rr; + struct pci_bus *bus0; + u8 reset_value; + unsigned int devfn; + + if (acpi_disabled) + return; + + rr = &acpi_gbl_FADT.reset_register; + + /* Is the reset register supported? */ + if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) || + rr->bit_width != 8 || rr->bit_offset != 0) + return; + + reset_value = acpi_gbl_FADT.reset_value; + + /* The reset register can only exist in I/O, Memory or PCI config space + * on a device on bus 0. */ + switch (rr->space_id) { + case ACPI_ADR_SPACE_PCI_CONFIG: + /* The reset register can only live on bus 0. */ + bus0 = pci_find_bus(0, 0); + if (!bus0) + return; + /* Form PCI device/function pair. */ + devfn = PCI_DEVFN((rr->address >> 32) & 0xffff, + (rr->address >> 16) & 0xffff); + printk(KERN_DEBUG "Resetting with ACPI PCI RESET_REG."); + /* Write the value that resets us. */ + pci_bus_write_config_byte(bus0, devfn, + (rr->address & 0xffff), reset_value); + break; + + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + case ACPI_ADR_SPACE_SYSTEM_IO: + printk(KERN_DEBUG "ACPI MEMORY or I/O RESET_REG.\n"); + acpi_hw_low_level_write(8, reset_value, rr); + break; + } + /* Wait ten seconds */ + acpi_os_stall(10000000); +} diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c index 8a112d1..f61ebc6 100644 --- a/drivers/acpi/resources/rscalc.c +++ b/drivers/acpi/resources/rscalc.c @@ -73,7 +73,7 @@ acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length); static u8 acpi_rs_count_set_bits(u16 bit_field) { - acpi_native_uint bits_set; + u8 bits_set; ACPI_FUNCTION_ENTRY(); @@ -84,7 +84,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field) bit_field &= (u16) (bit_field - 1); } - return ((u8) bits_set); + return bits_set; } /******************************************************************************* diff --git a/drivers/acpi/resources/rscreate.c b/drivers/acpi/resources/rscreate.c index faddaee..7804a8c 100644 --- a/drivers/acpi/resources/rscreate.c +++ b/drivers/acpi/resources/rscreate.c @@ -181,9 +181,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, } /* - * Loop through the ACPI_INTERNAL_OBJECTS - Each object - * should be a package that in turn contains an - * acpi_integer Address, a u8 Pin, a Name and a u8 source_index. + * Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a + * package that in turn contains an acpi_integer Address, a u8 Pin, + * a Name, and a u8 source_index. */ top_object_list = package_object->package.elements; number_of_elements = package_object->package.count; @@ -240,9 +240,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* 1) First subobject: Dereference the PRT.Address */ obj_desc = sub_object_list[0]; - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { - user_prt->address = obj_desc->integer.value; - } else { + if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%X].Address) Need Integer, found %s", index, @@ -250,12 +248,12 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, return_ACPI_STATUS(AE_BAD_DATA); } + user_prt->address = obj_desc->integer.value; + /* 2) Second subobject: Dereference the PRT.Pin */ obj_desc = sub_object_list[1]; - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { - user_prt->pin = (u32) obj_desc->integer.value; - } else { + if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%X].Pin) Need Integer, found %s", index, @@ -284,6 +282,25 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, } } + user_prt->pin = (u32) obj_desc->integer.value; + + /* + * If the BIOS has erroneously reversed the _PRT source_name (index 2) + * and the source_index (index 3), fix it. _PRT is important enough to + * workaround this BIOS error. This also provides compatibility with + * other ACPI implementations. + */ + obj_desc = sub_object_list[3]; + if (!obj_desc + || (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) { + sub_object_list[3] = sub_object_list[2]; + sub_object_list[2] = obj_desc; + + ACPI_WARNING((AE_INFO, + "(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed", + index)); + } + /* * 3) Third subobject: Dereference the PRT.source_name * The name may be unresolved (slack mode), so allow a null object @@ -364,9 +381,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, /* 4) Fourth subobject: Dereference the PRT.source_index */ obj_desc = sub_object_list[source_index_index]; - if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) { - user_prt->source_index = (u32) obj_desc->integer.value; - } else { + if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) { ACPI_ERROR((AE_INFO, "(PRT[%X].SourceIndex) Need Integer, found %s", index, @@ -374,6 +389,8 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object, return_ACPI_STATUS(AE_BAD_DATA); } + user_prt->source_index = (u32) obj_desc->integer.value; + /* Point to the next union acpi_operand_object in the top level package */ top_object_list++; diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c index de1ac38..96a6c03 100644 --- a/drivers/acpi/resources/rsmisc.c +++ b/drivers/acpi/resources/rsmisc.c @@ -82,7 +82,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource); - if (((acpi_native_uint) resource) & 0x3) { + if (((acpi_size) resource) & 0x3) { /* Each internal resource struct is expected to be 32-bit aligned */ diff --git a/drivers/acpi/resources/rsutils.c b/drivers/acpi/resources/rsutils.c index befe230..f7b3bcd 100644 --- a/drivers/acpi/resources/rsutils.c +++ b/drivers/acpi/resources/rsutils.c @@ -62,7 +62,7 @@ ACPI_MODULE_NAME("rsutils") ******************************************************************************/ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list) { - acpi_native_uint i; + u8 i; u8 bit_count; ACPI_FUNCTION_ENTRY(); @@ -71,7 +71,7 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list) for (i = 0, bit_count = 0; mask; i++) { if (mask & 0x0001) { - list[bit_count] = (u8) i; + list[bit_count] = i; bit_count++; } @@ -96,8 +96,8 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list) u16 acpi_rs_encode_bitmask(u8 * list, u8 count) { - acpi_native_uint i; - acpi_native_uint mask; + u32 i; + u16 mask; ACPI_FUNCTION_ENTRY(); @@ -107,7 +107,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count) mask |= (0x1 << list[i]); } - return ((u16) mask); + return mask; } /******************************************************************************* @@ -130,7 +130,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count) void acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type) { - acpi_native_uint i; + u32 i; ACPI_FUNCTION_ENTRY(); @@ -679,7 +679,6 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node, info->prefix_node = node; info->pathname = METHOD_NAME__SRS; info->parameters = args; - info->parameter_type = ACPI_PARAM_ARGS; info->flags = ACPI_IGNORE_RETURN_VALUE; /* diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 6d85289..f3132aa 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -6,6 +6,8 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/acpi.h> +#include <linux/signal.h> +#include <linux/kthread.h> #include <acpi/acpi_drivers.h> #include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */ @@ -92,17 +94,37 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha } static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); -static int acpi_eject_operation(acpi_handle handle, int lockable) +static int acpi_bus_hot_remove_device(void *context) { + struct acpi_device *device; + acpi_handle handle = context; struct acpi_object_list arg_list; union acpi_object arg; acpi_status status = AE_OK; - /* - * TBD: evaluate _PS3? - */ + if (acpi_bus_get_device(handle, &device)) + return 0; + + if (!device) + return 0; + + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Hot-removing device %s...\n", device->dev.bus_id)); + - if (lockable) { + if (acpi_bus_trim(device, 1)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Removing device failed\n")); + return -1; + } + + /* power off device */ + status = acpi_evaluate_object(handle, "_PS3", NULL, NULL); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) + ACPI_DEBUG_PRINT((ACPI_DB_WARN, + "Power-off device failed\n")); + + if (device->flags.lockable) { arg_list.count = 1; arg_list.pointer = &arg; arg.type = ACPI_TYPE_INTEGER; @@ -118,26 +140,22 @@ static int acpi_eject_operation(acpi_handle handle, int lockable) /* * TBD: _EJD support. */ - status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL); - if (ACPI_FAILURE(status)) { - return (-ENODEV); - } + if (ACPI_FAILURE(status)) + return -ENODEV; - return (0); + return 0; } static ssize_t acpi_eject_store(struct device *d, struct device_attribute *attr, const char *buf, size_t count) { - int result; int ret = count; - int islockable; acpi_status status; - acpi_handle handle; acpi_object_type type = 0; struct acpi_device *acpi_device = to_acpi_device(d); + struct task_struct *task; if ((!count) || (buf[0] != '1')) { return -EINVAL; @@ -154,18 +172,12 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, goto err; } - islockable = acpi_device->flags.lockable; - handle = acpi_device->handle; - - result = acpi_bus_trim(acpi_device, 1); - - if (!result) - result = acpi_eject_operation(handle, islockable); - - if (result) { - ret = -EBUSY; - } - err: + /* remove the device in another thread to fix the deadlock issue */ + task = kthread_run(acpi_bus_hot_remove_device, + acpi_device->handle, "acpi_hot_remove_device"); + if (IS_ERR(task)) + ret = PTR_ERR(task); +err: return ret; } @@ -691,9 +703,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device) acpi_status status = 0; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *package = NULL; - union acpi_object in_arg[3]; - struct acpi_object_list arg_list = { 3, in_arg }; - acpi_status psw_status = AE_OK; + int psw_error; struct acpi_device_id button_device_ids[] = { {"PNP0C0D", 0}, @@ -725,39 +735,11 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device) * So it is necessary to call _DSW object first. Only when it is not * present will the _PSW object used. */ - /* - * Three agruments are needed for the _DSW object. - * Argument 0: enable/disable the wake capabilities - * When _DSW object is called to disable the wake capabilities, maybe - * the first argument is filled. The value of the other two agruments - * is meaningless. - */ - in_arg[0].type = ACPI_TYPE_INTEGER; - in_arg[0].integer.value = 0; - in_arg[1].type = ACPI_TYPE_INTEGER; - in_arg[1].integer.value = 0; - in_arg[2].type = ACPI_TYPE_INTEGER; - in_arg[2].integer.value = 0; - psw_status = acpi_evaluate_object(device->handle, "_DSW", - &arg_list, NULL); - if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND)) - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in evaluate _DSW\n")); - /* - * When the _DSW object is not present, OSPM will call _PSW object. - */ - if (psw_status == AE_NOT_FOUND) { - /* - * Only one agruments is required for the _PSW object. - * agrument 0: enable/disable the wake capabilities - */ - arg_list.count = 1; - in_arg[0].integer.value = 0; - psw_status = acpi_evaluate_object(device->handle, "_PSW", - &arg_list, NULL); - if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND)) - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in " - "evaluate _PSW\n")); - } + psw_error = acpi_device_sleep_wake(device, 0, 0, 0); + if (psw_error) + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "error in _DSW or _PSW evaluation\n")); + /* Power button, Lid switch always enable wakeup */ if (!acpi_match_device_ids(device, button_device_ids)) device->wakeup.flags.run_wake = 1; diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c index 495c63a..0489a7d 100644 --- a/drivers/acpi/sleep/main.c +++ b/drivers/acpi/sleep/main.c @@ -24,10 +24,6 @@ u8 sleep_states[ACPI_S_STATE_COUNT]; -#ifdef CONFIG_PM_SLEEP -static u32 acpi_target_sleep_state = ACPI_STATE_S0; -#endif - static int acpi_sleep_prepare(u32 acpi_state) { #ifdef CONFIG_ACPI_SLEEP @@ -49,9 +45,96 @@ static int acpi_sleep_prepare(u32 acpi_state) return 0; } -#ifdef CONFIG_SUSPEND -static struct platform_suspend_ops acpi_suspend_ops; +#ifdef CONFIG_PM_SLEEP +static u32 acpi_target_sleep_state = ACPI_STATE_S0; + +/* + * ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the + * user to request that behavior by using the 'acpi_old_suspend_ordering' + * kernel command line option that causes the following variable to be set. + */ +static bool old_suspend_ordering; +void __init acpi_old_suspend_ordering(void) +{ + old_suspend_ordering = true; +} + +/** + * acpi_pm_disable_gpes - Disable the GPEs. + */ +static int acpi_pm_disable_gpes(void) +{ + acpi_hw_disable_all_gpes(); + return 0; +} + +/** + * __acpi_pm_prepare - Prepare the platform to enter the target state. + * + * If necessary, set the firmware waking vector and do arch-specific + * nastiness to get the wakeup code to the waking vector. + */ +static int __acpi_pm_prepare(void) +{ + int error = acpi_sleep_prepare(acpi_target_sleep_state); + + if (error) + acpi_target_sleep_state = ACPI_STATE_S0; + return error; +} + +/** + * acpi_pm_prepare - Prepare the platform to enter the target sleep + * state and disable the GPEs. + */ +static int acpi_pm_prepare(void) +{ + int error = __acpi_pm_prepare(); + + if (!error) + acpi_hw_disable_all_gpes(); + return error; +} + +/** + * acpi_pm_finish - Instruct the platform to leave a sleep state. + * + * This is called after we wake back up (or if entering the sleep state + * failed). + */ +static void acpi_pm_finish(void) +{ + u32 acpi_state = acpi_target_sleep_state; + + if (acpi_state == ACPI_STATE_S0) + return; + + printk(KERN_INFO PREFIX "Waking up from system sleep state S%d\n", + acpi_state); + acpi_disable_wakeup_device(acpi_state); + acpi_leave_sleep_state(acpi_state); + + /* reset firmware waking vector */ + acpi_set_firmware_waking_vector((acpi_physical_address) 0); + + acpi_target_sleep_state = ACPI_STATE_S0; +} + +/** + * acpi_pm_end - Finish up suspend sequence. + */ +static void acpi_pm_end(void) +{ + /* + * This is necessary in case acpi_pm_finish() is not called during a + * failing transition to a sleep state. + */ + acpi_target_sleep_state = ACPI_STATE_S0; +} +#endif /* CONFIG_PM_SLEEP */ + +#ifdef CONFIG_SUSPEND extern void do_suspend_lowlevel(void); static u32 acpi_suspend_states[] = { @@ -61,13 +144,10 @@ static u32 acpi_suspend_states[] = { [PM_SUSPEND_MAX] = ACPI_STATE_S5 }; -static int init_8259A_after_S1; - /** * acpi_suspend_begin - Set the target system sleep state to the state * associated with given @pm_state, if supported. */ - static int acpi_suspend_begin(suspend_state_t pm_state) { u32 acpi_state = acpi_suspend_states[pm_state]; @@ -84,25 +164,6 @@ static int acpi_suspend_begin(suspend_state_t pm_state) } /** - * acpi_suspend_prepare - Do preliminary suspend work. - * - * If necessary, set the firmware waking vector and do arch-specific - * nastiness to get the wakeup code to the waking vector. - */ - -static int acpi_suspend_prepare(void) -{ - int error = acpi_sleep_prepare(acpi_target_sleep_state); - - if (error) { - acpi_target_sleep_state = ACPI_STATE_S0; - return error; - } - - return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT; -} - -/** * acpi_suspend_enter - Actually enter a sleep state. * @pm_state: ignored * @@ -110,7 +171,6 @@ static int acpi_suspend_prepare(void) * assembly, which in turn call acpi_enter_sleep_state(). * It's unfortunate, but it works. Please fix if you're feeling frisky. */ - static int acpi_suspend_enter(suspend_state_t pm_state) { acpi_status status = AE_OK; @@ -167,46 +227,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state) return ACPI_SUCCESS(status) ? 0 : -EFAULT; } -/** - * acpi_suspend_finish - Instruct the platform to leave a sleep state. - * - * This is called after we wake back up (or if entering the sleep state - * failed). - */ - -static void acpi_suspend_finish(void) -{ - u32 acpi_state = acpi_target_sleep_state; - - acpi_disable_wakeup_device(acpi_state); - acpi_leave_sleep_state(acpi_state); - - /* reset firmware waking vector */ - acpi_set_firmware_waking_vector((acpi_physical_address) 0); - - acpi_target_sleep_state = ACPI_STATE_S0; - -#ifdef CONFIG_X86 - if (init_8259A_after_S1) { - printk("Broken toshiba laptop -> kicking interrupts\n"); - init_8259A(0); - } -#endif -} - -/** - * acpi_suspend_end - Finish up suspend sequence. - */ - -static void acpi_suspend_end(void) -{ - /* - * This is necessary in case acpi_suspend_finish() is not called during a - * failing transition to a sleep state. - */ - acpi_target_sleep_state = ACPI_STATE_S0; -} - static int acpi_suspend_state_valid(suspend_state_t pm_state) { u32 acpi_state; @@ -226,30 +246,39 @@ static int acpi_suspend_state_valid(suspend_state_t pm_state) static struct platform_suspend_ops acpi_suspend_ops = { .valid = acpi_suspend_state_valid, .begin = acpi_suspend_begin, - .prepare = acpi_suspend_prepare, + .prepare = acpi_pm_prepare, .enter = acpi_suspend_enter, - .finish = acpi_suspend_finish, - .end = acpi_suspend_end, + .finish = acpi_pm_finish, + .end = acpi_pm_end, }; -/* - * Toshiba fails to preserve interrupts over S1, reinitialization - * of 8259 is needed after S1 resume. +/** + * acpi_suspend_begin_old - Set the target system sleep state to the + * state associated with given @pm_state, if supported, and + * execute the _PTS control method. This function is used if the + * pre-ACPI 2.0 suspend ordering has been requested. */ -static int __init init_ints_after_s1(const struct dmi_system_id *d) +static int acpi_suspend_begin_old(suspend_state_t pm_state) { - printk(KERN_WARNING "%s with broken S1 detected.\n", d->ident); - init_8259A_after_S1 = 1; - return 0; + int error = acpi_suspend_begin(pm_state); + + if (!error) + error = __acpi_pm_prepare(); + return error; } -static struct dmi_system_id __initdata acpisleep_dmi_table[] = { - { - .callback = init_ints_after_s1, - .ident = "Toshiba Satellite 4030cdt", - .matches = {DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),}, - }, - {}, +/* + * The following callbacks are used if the pre-ACPI 2.0 suspend ordering has + * been requested. + */ +static struct platform_suspend_ops acpi_suspend_ops_old = { + .valid = acpi_suspend_state_valid, + .begin = acpi_suspend_begin_old, + .prepare = acpi_pm_disable_gpes, + .enter = acpi_suspend_enter, + .finish = acpi_pm_finish, + .end = acpi_pm_end, + .recover = acpi_pm_finish, }; #endif /* CONFIG_SUSPEND */ @@ -257,22 +286,9 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { static int acpi_hibernation_begin(void) { acpi_target_sleep_state = ACPI_STATE_S4; - return 0; } -static int acpi_hibernation_prepare(void) -{ - int error = acpi_sleep_prepare(ACPI_STATE_S4); - - if (error) { - acpi_target_sleep_state = ACPI_STATE_S0; - return error; - } - - return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT; -} - static int acpi_hibernation_enter(void) { acpi_status status = AE_OK; @@ -302,52 +318,55 @@ static void acpi_hibernation_leave(void) acpi_leave_sleep_state_prep(ACPI_STATE_S4); } -static void acpi_hibernation_finish(void) +static void acpi_pm_enable_gpes(void) { - acpi_disable_wakeup_device(ACPI_STATE_S4); - acpi_leave_sleep_state(ACPI_STATE_S4); - - /* reset firmware waking vector */ - acpi_set_firmware_waking_vector((acpi_physical_address) 0); - - acpi_target_sleep_state = ACPI_STATE_S0; + acpi_hw_enable_all_runtime_gpes(); } -static void acpi_hibernation_end(void) -{ - /* - * This is necessary in case acpi_hibernation_finish() is not called - * during a failing transition to the sleep state. - */ - acpi_target_sleep_state = ACPI_STATE_S0; -} +static struct platform_hibernation_ops acpi_hibernation_ops = { + .begin = acpi_hibernation_begin, + .end = acpi_pm_end, + .pre_snapshot = acpi_pm_prepare, + .finish = acpi_pm_finish, + .prepare = acpi_pm_prepare, + .enter = acpi_hibernation_enter, + .leave = acpi_hibernation_leave, + .pre_restore = acpi_pm_disable_gpes, + .restore_cleanup = acpi_pm_enable_gpes, +}; -static int acpi_hibernation_pre_restore(void) +/** + * acpi_hibernation_begin_old - Set the target system sleep state to + * ACPI_STATE_S4 and execute the _PTS control method. This + * function is used if the pre-ACPI 2.0 suspend ordering has been + * requested. + */ +static int acpi_hibernation_begin_old(void) { - acpi_status status; - - status = acpi_hw_disable_all_gpes(); - - return ACPI_SUCCESS(status) ? 0 : -EFAULT; -} + int error = acpi_sleep_prepare(ACPI_STATE_S4); -static void acpi_hibernation_restore_cleanup(void) -{ - acpi_hw_enable_all_runtime_gpes(); + if (!error) + acpi_target_sleep_state = ACPI_STATE_S4; + return error; } -static struct platform_hibernation_ops acpi_hibernation_ops = { - .begin = acpi_hibernation_begin, - .end = acpi_hibernation_end, - .pre_snapshot = acpi_hibernation_prepare, - .finish = acpi_hibernation_finish, - .prepare = acpi_hibernation_prepare, +/* + * The following callbacks are used if the pre-ACPI 2.0 suspend ordering has + * been requested. + */ +static struct platform_hibernation_ops acpi_hibernation_ops_old = { + .begin = acpi_hibernation_begin_old, + .end = acpi_pm_end, + .pre_snapshot = acpi_pm_disable_gpes, + .finish = acpi_pm_finish, + .prepare = acpi_pm_disable_gpes, .enter = acpi_hibernation_enter, .leave = acpi_hibernation_leave, - .pre_restore = acpi_hibernation_pre_restore, - .restore_cleanup = acpi_hibernation_restore_cleanup, + .pre_restore = acpi_pm_disable_gpes, + .restore_cleanup = acpi_pm_enable_gpes, + .recover = acpi_pm_finish, }; -#endif /* CONFIG_HIBERNATION */ +#endif /* CONFIG_HIBERNATION */ int acpi_suspend(u32 acpi_state) { @@ -368,8 +387,8 @@ int acpi_suspend(u32 acpi_state) /** * acpi_pm_device_sleep_state - return preferred power state of ACPI device * in the system sleep state given by %acpi_target_sleep_state - * @dev: device to examine - * @wake: if set, the device should be able to wake up the system + * @dev: device to examine; its driver model wakeup flags control + * whether it should be able to wake up the system * @d_min_p: used to store the upper limit of allowed states range * Return value: preferred power state of the device on success, -ENODEV on * failure (ie. if there's no 'struct acpi_device' for @dev) @@ -387,7 +406,7 @@ int acpi_suspend(u32 acpi_state) * via @wake. */ -int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p) +int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) { acpi_handle handle = DEVICE_ACPI_HANDLE(dev); struct acpi_device *adev; @@ -426,7 +445,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p) * can wake the system. _S0W may be valid, too. */ if (acpi_target_sleep_state == ACPI_STATE_S0 || - (wake && adev->wakeup.state.enabled && + (device_may_wakeup(dev) && adev->wakeup.state.enabled && adev->wakeup.sleep_state <= acpi_target_sleep_state)) { acpi_status status; @@ -448,6 +467,31 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p) *d_min_p = d_min; return d_max; } + +/** + * acpi_pm_device_sleep_wake - enable or disable the system wake-up + * capability of given device + * @dev: device to handle + * @enable: 'true' - enable, 'false' - disable the wake-up capability + */ +int acpi_pm_device_sleep_wake(struct device *dev, bool enable) +{ + acpi_handle handle; + struct acpi_device *adev; + + if (!device_may_wakeup(dev)) + return -EINVAL; + + handle = DEVICE_ACPI_HANDLE(dev); + if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { + printk(KERN_DEBUG "ACPI handle has no context!\n"); + return -ENODEV; + } + + return enable ? + acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) : + acpi_disable_wakeup_device_power(adev); +} #endif static void acpi_power_off_prepare(void) @@ -472,8 +516,6 @@ int __init acpi_sleep_init(void) u8 type_a, type_b; #ifdef CONFIG_SUSPEND int i = 0; - - dmi_check_system(acpisleep_dmi_table); #endif if (acpi_disabled) @@ -491,13 +533,15 @@ int __init acpi_sleep_init(void) } } - suspend_set_ops(&acpi_suspend_ops); + suspend_set_ops(old_suspend_ordering ? + &acpi_suspend_ops_old : &acpi_suspend_ops); #endif #ifdef CONFIG_HIBERNATION status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b); if (ACPI_SUCCESS(status)) { - hibernation_set_ops(&acpi_hibernation_ops); + hibernation_set_ops(old_suspend_ordering ? + &acpi_hibernation_ops_old : &acpi_hibernation_ops); sleep_states[ACPI_STATE_S4] = 1; printk(" S4"); } diff --git a/drivers/acpi/sleep/wakeup.c b/drivers/acpi/sleep/wakeup.c index ed8e41b..38655eb 100644 --- a/drivers/acpi/sleep/wakeup.c +++ b/drivers/acpi/sleep/wakeup.c @@ -42,7 +42,7 @@ void acpi_enable_wakeup_device_prep(u8 sleep_state) continue; spin_unlock(&acpi_device_lock); - acpi_enable_wakeup_device_power(dev); + acpi_enable_wakeup_device_power(dev, sleep_state); spin_lock(&acpi_device_lock); } spin_unlock(&acpi_device_lock); @@ -66,13 +66,15 @@ void acpi_enable_wakeup_device(u8 sleep_state) list_for_each_safe(node, next, &acpi_wakeup_device_list) { struct acpi_device *dev = container_of(node, struct acpi_device, wakeup_list); + if (!dev->wakeup.flags.valid) continue; + /* If users want to disable run-wake GPE, * we only disable it for wake and leave it for runtime */ - if (!dev->wakeup.state.enabled || - sleep_state > (u32) dev->wakeup.sleep_state) { + if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared) + || sleep_state > (u32) dev->wakeup.sleep_state) { if (dev->wakeup.flags.run_wake) { spin_unlock(&acpi_device_lock); /* set_gpe_type will disable GPE, leave it like that */ @@ -110,8 +112,9 @@ void acpi_disable_wakeup_device(u8 sleep_state) if (!dev->wakeup.flags.valid) continue; - if (!dev->wakeup.state.enabled || - sleep_state > (u32) dev->wakeup.sleep_state) { + + if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared) + || sleep_state > (u32) dev->wakeup.sleep_state) { if (dev->wakeup.flags.run_wake) { spin_unlock(&acpi_device_lock); acpi_set_gpe_type(dev->wakeup.gpe_device, diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 5bd2dec..d8e3f15 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -167,7 +167,13 @@ static int acpi_system_sysfs_init(void) #define COUNT_ERROR 2 /* other */ #define NUM_COUNTERS_EXTRA 3 -static u32 *all_counters; +#define ACPI_EVENT_VALID 0x01 +struct event_counter { + u32 count; + u32 flags; +}; + +static struct event_counter *all_counters; static u32 num_gpes; static u32 num_counters; static struct attribute **all_attrs; @@ -202,9 +208,44 @@ static int count_num_gpes(void) return count; } +static int get_gpe_device(int index, acpi_handle *handle) +{ + struct acpi_gpe_xrupt_info *gpe_xrupt_info; + struct acpi_gpe_block_info *gpe_block; + acpi_cpu_flags flags; + struct acpi_namespace_node *node; + + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); + + gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; + while (gpe_xrupt_info) { + gpe_block = gpe_xrupt_info->gpe_block_list_head; + node = gpe_block->node; + while (gpe_block) { + index -= gpe_block->register_count * + ACPI_GPE_REGISTER_WIDTH; + if (index < 0) { + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + /* return NULL if it's FADT GPE */ + if (node->type != ACPI_TYPE_DEVICE) + *handle = NULL; + else + *handle = node; + return 0; + } + node = gpe_block->node; + gpe_block = gpe_block->next; + } + gpe_xrupt_info = gpe_xrupt_info->next; + } + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + + return -ENODEV; +} + static void delete_gpe_attr_array(void) { - u32 *tmp = all_counters; + struct event_counter *tmp = all_counters; all_counters = NULL; kfree(tmp); @@ -230,9 +271,10 @@ void acpi_os_gpe_count(u32 gpe_number) return; if (gpe_number < num_gpes) - all_counters[gpe_number]++; + all_counters[gpe_number].count++; else - all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]++; + all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]. + count++; return; } @@ -243,44 +285,144 @@ void acpi_os_fixed_event_count(u32 event_number) return; if (event_number < ACPI_NUM_FIXED_EVENTS) - all_counters[num_gpes + event_number]++; + all_counters[num_gpes + event_number].count++; else - all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]++; + all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]. + count++; return; } +static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle) +{ + int result = 0; + + if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS) + goto end; + + if (index < num_gpes) { + result = get_gpe_device(index, handle); + if (result) { + ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND, + "Invalid GPE 0x%x\n", index)); + goto end; + } + result = acpi_get_gpe_status(*handle, index, + ACPI_NOT_ISR, status); + } else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS)) + result = acpi_get_event_status(index - num_gpes, status); + + /* + * sleep/power button GPE/Fixed Event is enabled after acpi_system_init, + * check the status at runtime and mark it as valid once it's enabled + */ + if (!result && (*status & ACPI_EVENT_FLAG_ENABLED)) + all_counters[index].flags |= ACPI_EVENT_VALID; +end: + return result; +} + static ssize_t counter_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI] = + int index = attr - counter_attrs; + int size; + acpi_handle handle; + acpi_event_status status; + int result = 0; + + all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count = acpi_irq_handled; - all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE] = + all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count = acpi_gpe_count; - return sprintf(buf, "%d\n", all_counters[attr - counter_attrs]); + size = sprintf(buf, "%8d", all_counters[index].count); + + /* "gpe_all" or "sci" */ + if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS) + goto end; + + result = get_status(index, &status, &handle); + if (result) + goto end; + + if (!(all_counters[index].flags & ACPI_EVENT_VALID)) + size += sprintf(buf + size, " invalid"); + else if (status & ACPI_EVENT_FLAG_ENABLED) + size += sprintf(buf + size, " enable"); + else + size += sprintf(buf + size, " disable"); + +end: + size += sprintf(buf + size, "\n"); + return result ? result : size; } /* * counter_set() sets the specified counter. * setting the total "sci" file to any value clears all counters. + * enable/disable/clear a gpe/fixed event in user space. */ static ssize_t counter_set(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t size) { int index = attr - counter_attrs; + acpi_event_status status; + acpi_handle handle; + int result = 0; if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) { int i; for (i = 0; i < num_counters; ++i) - all_counters[i] = 0; + all_counters[i].count = 0; acpi_gpe_count = 0; acpi_irq_handled = 0; + goto end; + } + /* show the event status for both GPEs and Fixed Events */ + result = get_status(index, &status, &handle); + if (result) + goto end; + + if (!(all_counters[index].flags & ACPI_EVENT_VALID)) { + ACPI_DEBUG_PRINT((ACPI_DB_WARN, + "Can not change Invalid GPE/Fixed Event status\n")); + return -EINVAL; + } + + if (index < num_gpes) { + if (!strcmp(buf, "disable\n") && + (status & ACPI_EVENT_FLAG_ENABLED)) + result = acpi_disable_gpe(handle, index, ACPI_NOT_ISR); + else if (!strcmp(buf, "enable\n") && + !(status & ACPI_EVENT_FLAG_ENABLED)) + result = acpi_enable_gpe(handle, index, ACPI_NOT_ISR); + else if (!strcmp(buf, "clear\n") && + (status & ACPI_EVENT_FLAG_SET)) + result = acpi_clear_gpe(handle, index, ACPI_NOT_ISR); + else + all_counters[index].count = strtoul(buf, NULL, 0); + } else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) { + int event = index - num_gpes; + if (!strcmp(buf, "disable\n") && + (status & ACPI_EVENT_FLAG_ENABLED)) + result = acpi_disable_event(event, ACPI_NOT_ISR); + else if (!strcmp(buf, "enable\n") && + !(status & ACPI_EVENT_FLAG_ENABLED)) + result = acpi_enable_event(event, ACPI_NOT_ISR); + else if (!strcmp(buf, "clear\n") && + (status & ACPI_EVENT_FLAG_SET)) + result = acpi_clear_event(event); + else + all_counters[index].count = strtoul(buf, NULL, 0); } else - all_counters[index] = strtoul(buf, NULL, 0); + all_counters[index].count = strtoul(buf, NULL, 0); - return size; + if (ACPI_FAILURE(result)) + result = -EINVAL; +end: + return result ? result : size; } void acpi_irq_stats_init(void) @@ -298,7 +440,8 @@ void acpi_irq_stats_init(void) if (all_attrs == NULL) return; - all_counters = kzalloc(sizeof(u32) * (num_counters), GFP_KERNEL); + all_counters = kzalloc(sizeof(struct event_counter) * (num_counters), + GFP_KERNEL); if (all_counters == NULL) goto fail; diff --git a/drivers/acpi/tables/tbfadt.c b/drivers/acpi/tables/tbfadt.c index 949d411..ccb5b64 100644 --- a/drivers/acpi/tables/tbfadt.c +++ b/drivers/acpi/tables/tbfadt.c @@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = { static void inline acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, - u8 bit_width, u64 address) + u8 byte_width, u64 address) { /* @@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, /* All other fields are byte-wide */ generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO; - generic_address->bit_width = bit_width; + generic_address->bit_width = byte_width << 3; generic_address->bit_offset = 0; generic_address->access_width = 0; } @@ -155,7 +155,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, * ******************************************************************************/ -void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags) +void acpi_tb_parse_fadt(u32 table_index, u8 flags) { u32 length; struct acpi_table_header *table; @@ -280,7 +280,7 @@ static void acpi_tb_convert_fadt(void) { u8 pm1_register_length; struct acpi_generic_address *target; - acpi_native_uint i; + u32 i; /* Update the local FADT table header length */ @@ -343,9 +343,11 @@ static void acpi_tb_convert_fadt(void) * * The PM event blocks are split into two register blocks, first is the * PM Status Register block, followed immediately by the PM Enable Register - * block. Each is of length (pm1_event_length/2) + * block. Each is of length (xpm1x_event_block.bit_width/2) */ - pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length); + WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1a_event_block.bit_width)); + pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT + .xpm1a_event_block.bit_width); /* The PM1A register block is required */ @@ -360,14 +362,17 @@ static void acpi_tb_convert_fadt(void) /* The PM1B register block is optional, ignore if not present */ if (acpi_gbl_FADT.xpm1b_event_block.address) { + WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1b_event_block.bit_width)); + pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT + .xpm1b_event_block + .bit_width); acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable, pm1_register_length, (acpi_gbl_FADT.xpm1b_event_block. address + pm1_register_length)); /* Don't forget to copy space_id of the GAS */ acpi_gbl_xpm1b_enable.space_id = - acpi_gbl_FADT.xpm1a_event_block.space_id; - + acpi_gbl_FADT.xpm1b_event_block.space_id; } } @@ -396,7 +401,7 @@ static void acpi_tb_validate_fadt(void) u32 *address32; struct acpi_generic_address *address64; u8 length; - acpi_native_uint i; + u32 i; /* Examine all of the 64-bit extended address fields (X fields) */ diff --git a/drivers/acpi/tables/tbfind.c b/drivers/acpi/tables/tbfind.c index 9ca3afc..531584d 100644 --- a/drivers/acpi/tables/tbfind.c +++ b/drivers/acpi/tables/tbfind.c @@ -65,10 +65,9 @@ ACPI_MODULE_NAME("tbfind") ******************************************************************************/ acpi_status acpi_tb_find_table(char *signature, - char *oem_id, - char *oem_table_id, acpi_native_uint * table_index) + char *oem_id, char *oem_table_id, u32 *table_index) { - acpi_native_uint i; + u32 i; acpi_status status; struct acpi_table_header header; diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c index 5336ce8..b22185f 100644 --- a/drivers/acpi/tables/tbinstal.c +++ b/drivers/acpi/tables/tbinstal.c @@ -107,11 +107,10 @@ acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc) ******************************************************************************/ acpi_status -acpi_tb_add_table(struct acpi_table_desc *table_desc, - acpi_native_uint * table_index) +acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index) { - acpi_native_uint i; - acpi_native_uint length; + u32 i; + u32 length; acpi_status status = AE_OK; ACPI_FUNCTION_TRACE(tb_add_table); @@ -207,8 +206,8 @@ acpi_status acpi_tb_resize_root_table_list(void) /* Increase the Table Array size */ - tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size + - ACPI_ROOT_TABLE_SIZE_INCREMENT) + tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list. + size + ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc)); if (!tables) { ACPI_ERROR((AE_INFO, @@ -220,7 +219,7 @@ acpi_status acpi_tb_resize_root_table_list(void) if (acpi_gbl_root_table_list.tables) { ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables, - acpi_gbl_root_table_list.size * + (acpi_size) acpi_gbl_root_table_list.size * sizeof(struct acpi_table_desc)); if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { @@ -253,7 +252,7 @@ acpi_status acpi_tb_resize_root_table_list(void) acpi_status acpi_tb_store_table(acpi_physical_address address, struct acpi_table_header *table, - u32 length, u8 flags, acpi_native_uint * table_index) + u32 length, u8 flags, u32 *table_index) { acpi_status status = AE_OK; @@ -334,7 +333,7 @@ void acpi_tb_delete_table(struct acpi_table_desc *table_desc) void acpi_tb_terminate(void) { - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(tb_terminate); @@ -374,7 +373,7 @@ void acpi_tb_terminate(void) * ******************************************************************************/ -void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index) +void acpi_tb_delete_namespace_by_owner(u32 table_index) { acpi_owner_id owner_id; @@ -403,7 +402,7 @@ void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index) * ******************************************************************************/ -acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index) +acpi_status acpi_tb_allocate_owner_id(u32 table_index) { acpi_status status = AE_BAD_PARAMETER; @@ -431,7 +430,7 @@ acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index) * ******************************************************************************/ -acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index) +acpi_status acpi_tb_release_owner_id(u32 table_index) { acpi_status status = AE_BAD_PARAMETER; @@ -462,8 +461,7 @@ acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index) * ******************************************************************************/ -acpi_status -acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id) +acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id) { acpi_status status = AE_BAD_PARAMETER; @@ -490,7 +488,7 @@ acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id) * ******************************************************************************/ -u8 acpi_tb_is_table_loaded(acpi_native_uint table_index) +u8 acpi_tb_is_table_loaded(u32 table_index) { u8 is_loaded = FALSE; @@ -518,7 +516,7 @@ u8 acpi_tb_is_table_loaded(acpi_native_uint table_index) * ******************************************************************************/ -void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded) +void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded) { (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c index bc019b9..0cc92ef 100644 --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -49,8 +49,8 @@ ACPI_MODULE_NAME("tbutils") /* Local prototypes */ static acpi_physical_address -acpi_tb_get_root_table_entry(u8 * table_entry, - acpi_native_uint table_entry_size); +acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size); + /******************************************************************************* * * FUNCTION: acpi_tb_check_xsdt @@ -238,7 +238,7 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length) * ******************************************************************************/ -u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length) +u8 acpi_tb_checksum(u8 *buffer, u32 length) { u8 sum = 0; u8 *end = buffer + length; @@ -268,7 +268,7 @@ u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length) void acpi_tb_install_table(acpi_physical_address address, - u8 flags, char *signature, acpi_native_uint table_index) + u8 flags, char *signature, u32 table_index) { struct acpi_table_header *table; @@ -336,8 +336,7 @@ acpi_tb_install_table(acpi_physical_address address, ******************************************************************************/ static acpi_physical_address -acpi_tb_get_root_table_entry(u8 * table_entry, - acpi_native_uint table_entry_size) +acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) { u64 address64; @@ -395,8 +394,8 @@ acpi_status __init acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags) { struct acpi_table_rsdp *rsdp; - acpi_native_uint table_entry_size; - acpi_native_uint i; + u32 table_entry_size; + u32 i; u32 table_count; struct acpi_table_header *table; acpi_physical_address address; diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index 0e31960..fd7770a 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -125,7 +125,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array, /* Root Table Array has been statically allocated by the host */ ACPI_MEMSET(initial_table_array, 0, - initial_table_count * + (acpi_size) initial_table_count * sizeof(struct acpi_table_desc)); acpi_gbl_root_table_list.tables = initial_table_array; @@ -183,9 +183,9 @@ acpi_status acpi_reallocate_root_table(void) return_ACPI_STATUS(AE_SUPPORT); } - new_size = - (acpi_gbl_root_table_list.count + - ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc); + new_size = ((acpi_size) acpi_gbl_root_table_list.count + + ACPI_ROOT_TABLE_SIZE_INCREMENT) * + sizeof(struct acpi_table_desc); /* Create new array and copy the old array */ @@ -222,7 +222,7 @@ acpi_status acpi_reallocate_root_table(void) acpi_status acpi_load_table(struct acpi_table_header *table_ptr) { acpi_status status; - acpi_native_uint table_index; + u32 table_index; struct acpi_table_desc table_desc; if (!table_ptr) @@ -264,11 +264,10 @@ ACPI_EXPORT_SYMBOL(acpi_load_table) *****************************************************************************/ acpi_status acpi_get_table_header(char *signature, - acpi_native_uint instance, - struct acpi_table_header * out_table_header) + u32 instance, struct acpi_table_header *out_table_header) { - acpi_native_uint i; - acpi_native_uint j; + u32 i; + u32 j; struct acpi_table_header *header; /* Parameter validation */ @@ -378,10 +377,10 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id) *****************************************************************************/ acpi_status acpi_get_table(char *signature, - acpi_native_uint instance, struct acpi_table_header **out_table) + u32 instance, struct acpi_table_header **out_table) { - acpi_native_uint i; - acpi_native_uint j; + u32 i; + u32 j; acpi_status status; /* Parameter validation */ @@ -435,8 +434,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table) * ******************************************************************************/ acpi_status -acpi_get_table_by_index(acpi_native_uint table_index, - struct acpi_table_header ** table) +acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table) { acpi_status status; @@ -493,7 +491,7 @@ static acpi_status acpi_tb_load_namespace(void) { acpi_status status; struct acpi_table_header *table; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(tb_load_namespace); diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c index b8c0dfa..2d157e0 100644 --- a/drivers/acpi/tables/tbxfroot.c +++ b/drivers/acpi/tables/tbxfroot.c @@ -118,7 +118,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) * ******************************************************************************/ -acpi_status acpi_find_root_pointer(acpi_native_uint * table_address) +acpi_status acpi_find_root_pointer(acpi_size *table_address) { u8 *table_ptr; u8 *mem_rover; @@ -153,7 +153,7 @@ acpi_status acpi_find_root_pointer(acpi_native_uint * table_address) * 1b) Search EBDA paragraphs (EBDA is required to be a * minimum of 1_k length) */ - table_ptr = acpi_os_map_memory((acpi_native_uint) + table_ptr = acpi_os_map_memory((acpi_physical_address) physical_address, ACPI_EBDA_WINDOW_SIZE); if (!table_ptr) { diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c index ede0848..3dfb8a4 100644 --- a/drivers/acpi/utilities/utalloc.c +++ b/drivers/acpi/utilities/utalloc.c @@ -309,7 +309,8 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer, * ******************************************************************************/ -void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line) +void *acpi_ut_allocate(acpi_size size, + u32 component, const char *module, u32 line) { void *allocation; @@ -353,7 +354,7 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line) ******************************************************************************/ void *acpi_ut_allocate_zeroed(acpi_size size, - u32 component, char *module, u32 line) + u32 component, const char *module, u32 line) { void *allocation; diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c index 655c290..53499ac 100644 --- a/drivers/acpi/utilities/utcopy.c +++ b/drivers/acpi/utilities/utcopy.c @@ -572,7 +572,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object, acpi_status status = AE_OK; union acpi_operand_object *package_object; union acpi_operand_object **package_elements; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage); @@ -599,7 +599,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object, /* Truncate package and delete it */ - package_object->package.count = (u32) i; + package_object->package.count = i; package_elements[i] = NULL; acpi_ut_remove_reference(package_object); return_ACPI_STATUS(status); diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c index f938f46..fd66ecb 100644 --- a/drivers/acpi/utilities/utdebug.c +++ b/drivers/acpi/utilities/utdebug.c @@ -157,7 +157,8 @@ void ACPI_INTERNAL_VAR_XFACE acpi_ut_debug_print(u32 requested_debug_level, u32 line_number, const char *function_name, - char *module_name, u32 component_id, char *format, ...) + const char *module_name, + u32 component_id, const char *format, ...) { acpi_thread_id thread_id; va_list args; @@ -228,7 +229,8 @@ void ACPI_INTERNAL_VAR_XFACE acpi_ut_debug_print_raw(u32 requested_debug_level, u32 line_number, const char *function_name, - char *module_name, u32 component_id, char *format, ...) + const char *module_name, + u32 component_id, const char *format, ...) { va_list args; @@ -261,7 +263,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw) ******************************************************************************/ void acpi_ut_trace(u32 line_number, - const char *function_name, char *module_name, u32 component_id) + const char *function_name, + const char *module_name, u32 component_id) { acpi_gbl_nesting_level++; @@ -293,7 +296,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace) void acpi_ut_trace_ptr(u32 line_number, const char *function_name, - char *module_name, u32 component_id, void *pointer) + const char *module_name, u32 component_id, void *pointer) { acpi_gbl_nesting_level++; acpi_ut_track_stack_ptr(); @@ -324,7 +327,7 @@ acpi_ut_trace_ptr(u32 line_number, void acpi_ut_trace_str(u32 line_number, const char *function_name, - char *module_name, u32 component_id, char *string) + const char *module_name, u32 component_id, char *string) { acpi_gbl_nesting_level++; @@ -356,7 +359,7 @@ acpi_ut_trace_str(u32 line_number, void acpi_ut_trace_u32(u32 line_number, const char *function_name, - char *module_name, u32 component_id, u32 integer) + const char *module_name, u32 component_id, u32 integer) { acpi_gbl_nesting_level++; @@ -386,7 +389,8 @@ acpi_ut_trace_u32(u32 line_number, void acpi_ut_exit(u32 line_number, - const char *function_name, char *module_name, u32 component_id) + const char *function_name, + const char *module_name, u32 component_id) { acpi_ut_debug_print(ACPI_LV_FUNCTIONS, @@ -417,7 +421,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_exit) void acpi_ut_status_exit(u32 line_number, const char *function_name, - char *module_name, u32 component_id, acpi_status status) + const char *module_name, + u32 component_id, acpi_status status) { if (ACPI_SUCCESS(status)) { @@ -458,7 +463,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_status_exit) void acpi_ut_value_exit(u32 line_number, const char *function_name, - char *module_name, u32 component_id, acpi_integer value) + const char *module_name, + u32 component_id, acpi_integer value) { acpi_ut_debug_print(ACPI_LV_FUNCTIONS, @@ -490,7 +496,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_value_exit) void acpi_ut_ptr_exit(u32 line_number, const char *function_name, - char *module_name, u32 component_id, u8 * ptr) + const char *module_name, u32 component_id, u8 *ptr) { acpi_ut_debug_print(ACPI_LV_FUNCTIONS, @@ -519,8 +525,8 @@ acpi_ut_ptr_exit(u32 line_number, void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) { - acpi_native_uint i = 0; - acpi_native_uint j; + u32 i = 0; + u32 j; u32 temp32; u8 buf_char; @@ -539,7 +545,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) /* Print current offset */ - acpi_os_printf("%6.4X: ", (u32) i); + acpi_os_printf("%6.4X: ", i); /* Print 16 hex chars */ @@ -549,7 +555,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) /* Dump fill spaces */ acpi_os_printf("%*s", ((display * 2) + 1), " "); - j += (acpi_native_uint) display; + j += display; continue; } @@ -557,32 +563,38 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) case DB_BYTE_DISPLAY: default: /* Default is BYTE display */ - acpi_os_printf("%02X ", buffer[i + j]); + acpi_os_printf("%02X ", + buffer[(acpi_size) i + j]); break; case DB_WORD_DISPLAY: - ACPI_MOVE_16_TO_32(&temp32, &buffer[i + j]); + ACPI_MOVE_16_TO_32(&temp32, + &buffer[(acpi_size) i + j]); acpi_os_printf("%04X ", temp32); break; case DB_DWORD_DISPLAY: - ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]); + ACPI_MOVE_32_TO_32(&temp32, + &buffer[(acpi_size) i + j]); acpi_os_printf("%08X ", temp32); break; case DB_QWORD_DISPLAY: - ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]); + ACPI_MOVE_32_TO_32(&temp32, + &buffer[(acpi_size) i + j]); acpi_os_printf("%08X", temp32); - ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j + 4]); + ACPI_MOVE_32_TO_32(&temp32, + &buffer[(acpi_size) i + j + + 4]); acpi_os_printf("%08X ", temp32); break; } - j += (acpi_native_uint) display; + j += display; } /* @@ -596,7 +608,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) return; } - buf_char = buffer[i + j]; + buf_char = buffer[(acpi_size) i + j]; if (ACPI_IS_PRINT(buf_char)) { acpi_os_printf("%c", buf_char); } else { diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 1fbc351..c5c791a 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -442,7 +442,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) union acpi_generic_state *state_list = NULL; union acpi_operand_object *next_object = NULL; union acpi_generic_state *state; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object); diff --git a/drivers/acpi/utilities/uteval.c b/drivers/acpi/utilities/uteval.c index 05e61be..352747e 100644 --- a/drivers/acpi/utilities/uteval.c +++ b/drivers/acpi/utilities/uteval.c @@ -97,7 +97,7 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) acpi_status status; union acpi_operand_object *string_desc; union acpi_operand_object *return_desc; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(ut_osi_implementation); @@ -217,7 +217,6 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node, info->prefix_node = prefix_node; info->pathname = path; - info->parameter_type = ACPI_PARAM_ARGS; /* Evaluate the object/method */ @@ -514,7 +513,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node, u32 count; u32 size; struct acpi_compatible_id_list *cid_list; - acpi_native_uint i; + u32 i; ACPI_FUNCTION_TRACE(ut_execute_CID); diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 1f057b7..f34be67 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -64,7 +64,7 @@ ACPI_MODULE_NAME("utmisc") ******************************************************************************/ const char *acpi_ut_validate_exception(acpi_status status) { - acpi_status sub_status; + u32 sub_status; const char *exception = NULL; ACPI_FUNCTION_ENTRY(); @@ -85,32 +85,28 @@ const char *acpi_ut_validate_exception(acpi_status status) case AE_CODE_PROGRAMMER: if (sub_status <= AE_CODE_PGM_MAX) { - exception = - acpi_gbl_exception_names_pgm[sub_status - 1]; + exception = acpi_gbl_exception_names_pgm[sub_status]; } break; case AE_CODE_ACPI_TABLES: if (sub_status <= AE_CODE_TBL_MAX) { - exception = - acpi_gbl_exception_names_tbl[sub_status - 1]; + exception = acpi_gbl_exception_names_tbl[sub_status]; } break; case AE_CODE_AML: if (sub_status <= AE_CODE_AML_MAX) { - exception = - acpi_gbl_exception_names_aml[sub_status - 1]; + exception = acpi_gbl_exception_names_aml[sub_status]; } break; case AE_CODE_CONTROL: if (sub_status <= AE_CODE_CTRL_MAX) { - exception = - acpi_gbl_exception_names_ctrl[sub_status - 1]; + exception = acpi_gbl_exception_names_ctrl[sub_status]; } break; @@ -165,9 +161,9 @@ u8 acpi_ut_is_aml_table(struct acpi_table_header *table) acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) { - acpi_native_uint i; - acpi_native_uint j; - acpi_native_uint k; + u32 i; + u32 j; + u32 k; acpi_status status; ACPI_FUNCTION_TRACE(ut_allocate_owner_id); @@ -273,7 +269,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) { acpi_owner_id owner_id = *owner_id_ptr; acpi_status status; - acpi_native_uint index; + u32 index; u32 bit; ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id); @@ -593,7 +589,7 @@ acpi_ut_display_init_pathname(u8 type, * ******************************************************************************/ -u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position) +u8 acpi_ut_valid_acpi_char(char character, u32 position) { if (!((character >= 'A' && character <= 'Z') || @@ -628,7 +624,7 @@ u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position) u8 acpi_ut_valid_acpi_name(u32 name) { - acpi_native_uint i; + u32 i; ACPI_FUNCTION_ENTRY(); @@ -657,7 +653,7 @@ u8 acpi_ut_valid_acpi_name(u32 name) acpi_name acpi_ut_repair_name(char *name) { - acpi_native_uint i; + u32 i; char new_name[ACPI_NAME_SIZE]; for (i = 0; i < ACPI_NAME_SIZE; i++) { @@ -1024,7 +1020,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object, ******************************************************************************/ void ACPI_INTERNAL_VAR_XFACE -acpi_ut_error(char *module_name, u32 line_number, char *format, ...) +acpi_ut_error(const char *module_name, u32 line_number, const char *format, ...) { va_list args; @@ -1037,8 +1033,8 @@ acpi_ut_error(char *module_name, u32 line_number, char *format, ...) } void ACPI_INTERNAL_VAR_XFACE -acpi_ut_exception(char *module_name, - u32 line_number, acpi_status status, char *format, ...) +acpi_ut_exception(const char *module_name, + u32 line_number, acpi_status status, const char *format, ...) { va_list args; @@ -1054,7 +1050,8 @@ acpi_ut_exception(char *module_name, EXPORT_SYMBOL(acpi_ut_exception); void ACPI_INTERNAL_VAR_XFACE -acpi_ut_warning(char *module_name, u32 line_number, char *format, ...) +acpi_ut_warning(const char *module_name, + u32 line_number, const char *format, ...) { va_list args; @@ -1067,7 +1064,7 @@ acpi_ut_warning(char *module_name, u32 line_number, char *format, ...) } void ACPI_INTERNAL_VAR_XFACE -acpi_ut_info(char *module_name, u32 line_number, char *format, ...) +acpi_ut_info(const char *module_name, u32 line_number, const char *format, ...) { va_list args; diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c index f7d602b..7331dde 100644 --- a/drivers/acpi/utilities/utmutex.c +++ b/drivers/acpi/utilities/utmutex.c @@ -218,7 +218,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) * the mutex ordering rule. This indicates a coding error somewhere in * the ACPI subsystem code. */ - for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) { + for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) { if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) { if (i == mutex_id) { ACPI_ERROR((AE_INFO, @@ -315,7 +315,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) * ordering rule. This indicates a coding error somewhere in * the ACPI subsystem code. */ - for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) { + for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) { if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) { if (i == mutex_id) { continue; diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c index e68466d..e254844 100644 --- a/drivers/acpi/utilities/utobject.c +++ b/drivers/acpi/utilities/utobject.c @@ -83,7 +83,8 @@ acpi_ut_get_element_length(u8 object_type, * ******************************************************************************/ -union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name, +union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char + *module_name, u32 line_number, u32 component_id, acpi_object_type @@ -175,8 +176,8 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count) * Create the element array. Count+1 allows the array to be null * terminated. */ - package_elements = ACPI_ALLOCATE_ZEROED((acpi_size) - (count + 1) * sizeof(void *)); + package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count + + 1) * sizeof(void *)); if (!package_elements) { acpi_ut_remove_reference(package_desc); return_PTR(NULL); @@ -347,7 +348,7 @@ u8 acpi_ut_valid_internal_object(void *object) * ******************************************************************************/ -void *acpi_ut_allocate_object_desc_dbg(char *module_name, +void *acpi_ut_allocate_object_desc_dbg(const char *module_name, u32 line_number, u32 component_id) { union acpi_operand_object *object; diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index d089c45..64c8893 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -631,6 +631,76 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) * device : video output device (LCD, CRT, ..) * * Return Value: + * Maximum brightness level + * + * Allocate and initialize device->brightness. + */ + +static int +acpi_video_init_brightness(struct acpi_video_device *device) +{ + union acpi_object *obj = NULL; + int i, max_level = 0, count = 0; + union acpi_object *o; + struct acpi_video_device_brightness *br = NULL; + + if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available " + "LCD brightness level\n")); + goto out; + } + + if (obj->package.count < 2) + goto out; + + br = kzalloc(sizeof(*br), GFP_KERNEL); + if (!br) { + printk(KERN_ERR "can't allocate memory\n"); + goto out; + } + + br->levels = kmalloc(obj->package.count * sizeof *(br->levels), + GFP_KERNEL); + if (!br->levels) + goto out_free; + + for (i = 0; i < obj->package.count; i++) { + o = (union acpi_object *)&obj->package.elements[i]; + if (o->type != ACPI_TYPE_INTEGER) { + printk(KERN_ERR PREFIX "Invalid data\n"); + continue; + } + br->levels[count] = (u32) o->integer.value; + + if (br->levels[count] > max_level) + max_level = br->levels[count]; + count++; + } + + if (count < 2) + goto out_free_levels; + + br->count = count; + device->brightness = br; + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "found %d brightness levels\n", count)); + kfree(obj); + return max_level; + +out_free_levels: + kfree(br->levels); +out_free: + kfree(br); +out: + device->brightness = NULL; + kfree(obj); + return 0; +} + +/* + * Arg: + * device : video output device (LCD, CRT, ..) + * + * Return Value: * None * * Find out all required AML methods defined under the output @@ -640,10 +710,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) static void acpi_video_device_find_cap(struct acpi_video_device *device) { acpi_handle h_dummy1; - int i; u32 max_level = 0; - union acpi_object *obj = NULL; - struct acpi_video_device_brightness *br = NULL; memset(&device->cap, 0, sizeof(device->cap)); @@ -672,53 +739,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->cap._DSS = 1; } - if (ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) { - - if (obj->package.count >= 2) { - int count = 0; - union acpi_object *o; - - br = kzalloc(sizeof(*br), GFP_KERNEL); - if (!br) { - printk(KERN_ERR "can't allocate memory\n"); - } else { - br->levels = kmalloc(obj->package.count * - sizeof *(br->levels), GFP_KERNEL); - if (!br->levels) - goto out; - - for (i = 0; i < obj->package.count; i++) { - o = (union acpi_object *)&obj->package. - elements[i]; - if (o->type != ACPI_TYPE_INTEGER) { - printk(KERN_ERR PREFIX "Invalid data\n"); - continue; - } - br->levels[count] = (u32) o->integer.value; - - if (br->levels[count] > max_level) - max_level = br->levels[count]; - count++; - } - out: - if (count < 2) { - kfree(br->levels); - kfree(br); - } else { - br->count = count; - device->brightness = br; - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "found %d brightness levels\n", - count)); - } - } - } - - } else { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available LCD brightness level\n")); - } - - kfree(obj); + max_level = acpi_video_init_brightness(device); if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){ int result; @@ -1695,6 +1716,8 @@ static void acpi_video_switch_brightness(struct acpi_video_device *device, int event) { unsigned long level_current, level_next; + if (!device->brightness) + return; acpi_video_device_lcd_get_level_current(device, &level_current); level_next = acpi_video_get_next_level(device, level_current, event); acpi_video_device_lcd_set_level(device, level_next); |
