diff options
Diffstat (limited to 'drivers/acpi')
135 files changed, 2113 insertions, 1627 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index ff9f6bd48301..ac7034129f3f 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -294,7 +294,9 @@ static int acpi_ac_add(struct acpi_device *device) ac->charger.properties = ac_props; ac->charger.num_properties = ARRAY_SIZE(ac_props); ac->charger.get_property = get_ac_property; - power_supply_register(&ac->device->dev, &ac->charger); + result = power_supply_register(&ac->device->dev, &ac->charger); + if (result) + goto end; printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device), acpi_device_bid(device), diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index d98571385656..24c807f96636 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -341,7 +341,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) { struct acpi_memory_device *mem_device; struct acpi_device *device; - + u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */ switch (event) { case ACPI_NOTIFY_BUS_CHECK: @@ -354,15 +354,20 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) "\nReceived DEVICE CHECK notification for device\n")); if (acpi_memory_get_device(handle, &mem_device)) { printk(KERN_ERR PREFIX "Cannot find driver data\n"); - return; + break; } - if (!acpi_memory_check_device(mem_device)) { - if (acpi_memory_enable_device(mem_device)) - printk(KERN_ERR PREFIX - "Cannot enable memory device\n"); + if (acpi_memory_check_device(mem_device)) + break; + + if (acpi_memory_enable_device(mem_device)) { + printk(KERN_ERR PREFIX "Cannot enable memory device\n"); + break; } + + ost_code = ACPI_OST_SC_SUCCESS; break; + case ACPI_NOTIFY_EJECT_REQUEST: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "\nReceived EJECT REQUEST notification for device\n")); @@ -383,19 +388,35 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) * TBD: Can also be disabled by Callback registration * with generic sysfs driver */ - if (acpi_memory_disable_device(mem_device)) - printk(KERN_ERR PREFIX - "Disable memory device\n"); + if (acpi_memory_disable_device(mem_device)) { + printk(KERN_ERR PREFIX "Disable memory device\n"); + /* + * If _EJ0 was called but failed, _OST is not + * necessary. + */ + if (mem_device->state == MEMORY_INVALID_STATE) + return; + + break; + } + /* * TBD: Invoke acpi_bus_remove to cleanup data structures */ - break; + + /* _EJ0 succeeded; _OST is not necessary */ + return; + default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); - break; + + /* non-hotplug event; possibly handled by other handler */ + return; } + /* Inform firmware that the hotplug operation has completed */ + (void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL); return; } diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index 1502c50273b5..af4aad6ee2eb 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -145,7 +145,7 @@ static void exit_round_robin(unsigned int tsk_index) } static unsigned int idle_pct = 5; /* percentage */ -static unsigned int round_robin_time = 10; /* second */ +static unsigned int round_robin_time = 1; /* second */ static int power_saving_thread(void *data) { struct sched_param param = {.sched_priority = 1}; @@ -235,7 +235,7 @@ static int create_power_saving_task(void) ps_tsks[ps_tsk_num] = kthread_run(power_saving_thread, (void *)(unsigned long)ps_tsk_num, - "power_saving/%d", ps_tsk_num); + "acpi_pad/%d", ps_tsk_num); rc = IS_ERR(ps_tsks[ps_tsk_num]) ? PTR_ERR(ps_tsks[ps_tsk_num]) : 0; if (!rc) ps_tsk_num++; diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 793b8cc8e256..0a1b3435f920 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -134,12 +134,14 @@ acpi-y += \ tbinstal.o \ tbutils.o \ tbxface.o \ + tbxfload.o \ tbxfroot.o acpi-y += \ utaddress.o \ utalloc.o \ utcopy.o \ + utexcep.o \ utdebug.o \ utdecode.o \ utdelete.o \ diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index d700f63e4701..c0a43b38c6a3 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -237,7 +237,7 @@ u32 acpi_ev_install_sci_handler(void); acpi_status acpi_ev_remove_sci_handler(void); -u32 acpi_ev_initialize_sCI(u32 program_sCI); +u32 acpi_ev_initialize_SCI(u32 program_SCI); ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void)) #endif /* __ACEVENTS_H__ */ diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 4f7d3f57d05c..ce79100fb5eb 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -278,8 +278,7 @@ ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache; /* Global handlers */ -ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify; -ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify; +ACPI_EXTERN struct acpi_global_notify_handler acpi_gbl_global_notify[2]; ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler; ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler; ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler; @@ -327,14 +326,6 @@ extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; #endif -/* Exception codes */ - -extern char const *acpi_gbl_exception_names_env[]; -extern char const *acpi_gbl_exception_names_pgm[]; -extern char const *acpi_gbl_exception_names_tbl[]; -extern char const *acpi_gbl_exception_names_aml[]; -extern char const *acpi_gbl_exception_names_ctrl[]; - /***************************************************************************** * * Namespace globals @@ -463,4 +454,12 @@ ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects; #endif /* ACPI_DEBUGGER */ +/***************************************************************************** + * + * Info/help support + * + ****************************************************************************/ + +extern const struct ah_predefined_name asl_predefined_info[]; + #endif /* __ACGLOBAL_H__ */ diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index e3922ca20e7f..cc80fe10e8ea 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -299,7 +299,7 @@ acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state); * Information structure for ACPI predefined names. * Each entry in the table contains the following items: * - * Name - The ACPI reserved name + * name - The ACPI reserved name * param_count - Number of arguments to the method * expected_return_btypes - Allowed type(s) for the return value */ @@ -404,6 +404,13 @@ struct acpi_gpe_handler_info { u8 originally_enabled; /* True if GPE was originally enabled */ }; +/* Notify info for implicit notify, multiple device objects */ + +struct acpi_gpe_notify_info { + struct acpi_namespace_node *device_node; /* Device to be notified */ + struct acpi_gpe_notify_info *next; +}; + struct acpi_gpe_notify_object { struct acpi_namespace_node *node; struct acpi_gpe_notify_object *next; @@ -412,7 +419,7 @@ struct acpi_gpe_notify_object { union acpi_gpe_dispatch_info { struct acpi_namespace_node *method_node; /* Method node for this GPE level */ struct acpi_gpe_handler_info *handler; /* Installed GPE handler */ - struct acpi_gpe_notify_object device; /* List of _PRW devices for implicit notify */ + struct acpi_gpe_notify_info *notify_list; /* List of _PRW devices for implicit notifies */ }; /* @@ -420,7 +427,7 @@ union acpi_gpe_dispatch_info { * NOTE: Important to keep this struct as small as possible. */ struct acpi_gpe_event_info { - union acpi_gpe_dispatch_info dispatch; /* Either Method or Handler */ + union acpi_gpe_dispatch_info dispatch; /* Either Method, Handler, or notify_list */ struct acpi_gpe_register_info *register_info; /* Backpointer to register info */ u8 flags; /* Misc info about this GPE */ u8 gpe_number; /* This GPE */ @@ -600,13 +607,22 @@ acpi_status(*acpi_parse_downwards) (struct acpi_walk_state * walk_state, typedef acpi_status(*acpi_parse_upwards) (struct acpi_walk_state * walk_state); +/* Global handlers for AML Notifies */ + +struct acpi_global_notify_handler { + acpi_notify_handler handler; + void *context; +}; + /* * Notify info - used to pass info to the deferred notify * handler/dispatcher. */ struct acpi_notify_info { - ACPI_STATE_COMMON struct acpi_namespace_node *node; - union acpi_operand_object *handler_obj; + ACPI_STATE_COMMON u8 handler_list_id; + struct acpi_namespace_node *node; + union acpi_operand_object *handler_list_head; + struct acpi_global_notify_handler *global; }; /* Generic state is union of structs above */ @@ -718,7 +734,7 @@ struct acpi_parse_obj_named { u32 name; /* 4-byte name or zero if no name */ }; -/* This version is used by the i_aSL compiler only */ +/* This version is used by the iASL compiler only */ #define ACPI_MAX_PARSEOP_NAME 20 @@ -787,6 +803,7 @@ struct acpi_parse_state { #define ACPI_PARSEOP_IGNORE 0x01 #define ACPI_PARSEOP_PARAMLIST 0x02 #define ACPI_PARSEOP_EMPTY_TERMLIST 0x04 +#define ACPI_PARSEOP_PREDEF_CHECKED 0x08 #define ACPI_PARSEOP_SPECIAL 0x10 /***************************************************************************** @@ -1075,4 +1092,18 @@ struct acpi_debug_mem_block { #define ACPI_MEM_LIST_MAX 1 #define ACPI_NUM_MEM_LISTS 2 +/***************************************************************************** + * + * Info/help support + * + ****************************************************************************/ + +struct ah_predefined_name { + char *name; + char *description; +#ifndef ACPI_ASL_COMPILER + char *action; +#endif +}; + #endif /* __ACLOCAL_H__ */ diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index f119f473f71a..832b6198652e 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -62,7 +62,7 @@ * printf() format helpers */ -/* Split 64-bit integer into two 32-bit values. Use with %8.8_x%8.8_x */ +/* Split 64-bit integer into two 32-bit values. Use with %8.8X%8.8X */ #define ACPI_FORMAT_UINT64(i) ACPI_HIDWORD(i), ACPI_LODWORD(i) @@ -283,8 +283,8 @@ #define ACPI_INSERT_BITS(target, mask, source) target = ((target & (~(mask))) | (source & mask)) /* - * A struct acpi_namespace_node can appear in some contexts - * where a pointer to a union acpi_operand_object can also + * An object of type struct acpi_namespace_node can appear in some contexts + * where a pointer to an object of type union acpi_operand_object can also * appear. This macro is used to distinguish them. * * The "Descriptor" field is the first field in both structures. diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index c065078ca83b..364a1303fb8f 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -113,8 +113,8 @@ struct acpi_object_integer { }; /* - * Note: The String and Buffer object must be identical through the Pointer - * and length elements. There is code that depends on this. + * Note: The String and Buffer object must be identical through the + * pointer and length elements. There is code that depends on this. * * Fields common to both Strings and Buffers */ @@ -206,8 +206,7 @@ struct acpi_object_method { * Common fields for objects that support ASL notifications */ #define ACPI_COMMON_NOTIFY_INFO \ - union acpi_operand_object *system_notify; /* Handler for system notifies */\ - union acpi_operand_object *device_notify; /* Handler for driver notifies */\ + union acpi_operand_object *notify_list[2]; /* Handlers for system/device notifies */\ union acpi_operand_object *handler; /* Handler for Address space */ struct acpi_object_notify_common { /* COMMON NOTIFY for POWER, PROCESSOR, DEVICE, and THERMAL */ @@ -296,10 +295,10 @@ struct acpi_object_buffer_field { struct acpi_object_notify_handler { ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *node; /* Parent device */ - u32 handler_type; - acpi_notify_handler handler; + u32 handler_type; /* Type: Device/System/Both */ + acpi_notify_handler handler; /* Handler address */ void *context; - struct acpi_object_notify_handler *next; + union acpi_operand_object *next[2]; /* Device and System handler lists */ }; struct acpi_object_addr_handler { @@ -382,7 +381,7 @@ struct acpi_object_cache_list { /****************************************************************************** * - * union acpi_operand_object Descriptor - a giant union of all of the above + * union acpi_operand_object descriptor - a giant union of all of the above * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index bbb34c9be4e8..3080c017f5ba 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -140,7 +140,7 @@ enum acpi_return_package_types { * * The main entries in the table each contain the following items: * - * Name - The ACPI reserved name + * name - The ACPI reserved name * param_count - Number of arguments to the method * expected_btypes - Allowed type(s) for the return value. * 0 means that no return value is expected. @@ -511,14 +511,14 @@ static const union acpi_predefined_info predefined_names[] = {{"_TMP", 0, ACPI_RTYPE_INTEGER}}, {{"_TPC", 0, ACPI_RTYPE_INTEGER}}, {{"_TPT", 1, 0}}, - {{"_TRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2_ref/6_int */ + {{"_TRT", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 2 Ref/6 Int */ {{{ACPI_PTYPE2, ACPI_RTYPE_REFERENCE, 2, ACPI_RTYPE_INTEGER}, 6, 0}}, - {{"_TSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int with count */ + {{"_TSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5 Int with count */ {{{ACPI_PTYPE2_COUNT,ACPI_RTYPE_INTEGER, 5,0}, 0,0}}, {{"_TSP", 0, ACPI_RTYPE_INTEGER}}, - {{"_TSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5_int */ + {{"_TSS", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each 5 Int */ {{{ACPI_PTYPE2, ACPI_RTYPE_INTEGER, 5,0}, 0,0}}, {{"_TST", 0, ACPI_RTYPE_INTEGER}}, diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index 0404df605bc1..f196e2c9a71f 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -68,7 +68,7 @@ #define ACPI_WALK_METHOD 0x01 #define ACPI_WALK_METHOD_RESTART 0x02 -/* Flags for i_aSL compiler only */ +/* Flags for iASL compiler only */ #define ACPI_WALK_CONST_REQUIRED 0x10 #define ACPI_WALK_CONST_OPTIONAL 0x20 diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 925ccf22101b..5035327ebccc 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -460,6 +460,8 @@ acpi_ut_short_divide(u64 in_dividend, /* * utmisc */ +void ut_convert_backslashes(char *pathname); + const char *acpi_ut_validate_exception(acpi_status status); u8 acpi_ut_is_pci_root_bridge(char *id); diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h index 905280fec0fa..c26f8ff6c3b9 100644 --- a/drivers/acpi/acpica/amlcode.h +++ b/drivers/acpi/acpica/amlcode.h @@ -182,7 +182,7 @@ /* * Combination opcodes (actually two one-byte opcodes) - * Used by the disassembler and i_aSL compiler + * Used by the disassembler and iASL compiler */ #define AML_LGREATEREQUAL_OP (u16) 0x9295 #define AML_LLESSEQUAL_OP (u16) 0x9294 @@ -280,7 +280,7 @@ /* Multiple/complex types */ -#define ARGI_DATAOBJECT 0x12 /* Buffer, String, package or reference to a Node - Used only by size_of operator */ +#define ARGI_DATAOBJECT 0x12 /* Buffer, String, package or reference to a node - Used only by size_of operator */ #define ARGI_COMPLEXOBJ 0x13 /* Buffer, String, or package (Used by INDEX op only) */ #define ARGI_REF_OR_STRING 0x14 /* Reference or String (Used by DEREFOF op only) */ #define ARGI_REGION_OR_BUFFER 0x15 /* Used by LOAD op only */ diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h index 7b2128f274e7..af4947956ec2 100644 --- a/drivers/acpi/acpica/amlresrc.h +++ b/drivers/acpi/acpica/amlresrc.h @@ -98,7 +98,7 @@ #define ACPI_RESTAG_TRANSLATION "_TRA" #define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */ #define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */ -#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8_and16(1), 16(2) */ +#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8And16(1), 16(2) */ #define ACPI_RESTAG_VENDORDATA "_VEN" /* Default sizes for "small" resource descriptors */ @@ -235,7 +235,7 @@ AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON}; struct aml_resource_extended_address64 { AML_RESOURCE_LARGE_HEADER_COMMON - AML_RESOURCE_ADDRESS_COMMON u8 revision_iD; + AML_RESOURCE_ADDRESS_COMMON u8 revision_ID; u8 reserved; u64 granularity; u64 minimum; diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c index 80eb1900297f..c8b5e2565b98 100644 --- a/drivers/acpi/acpica/dsargs.c +++ b/drivers/acpi/acpica/dsargs.c @@ -62,7 +62,7 @@ acpi_ds_execute_arguments(struct acpi_namespace_node *node, * * FUNCTION: acpi_ds_execute_arguments * - * PARAMETERS: Node - Object NS node + * PARAMETERS: node - Object NS node * scope_node - Parent NS node * aml_length - Length of executable AML * aml_start - Pointer to the AML diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index effe4ca1133f..465f02134b89 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -56,7 +56,7 @@ ACPI_MODULE_NAME("dscontrol") * FUNCTION: acpi_ds_exec_begin_control_op * * PARAMETERS: walk_list - The list that owns the walk stack - * Op - The control Op + * op - The control Op * * RETURN: Status * @@ -153,7 +153,7 @@ acpi_ds_exec_begin_control_op(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_exec_end_control_op * * PARAMETERS: walk_list - The list that owns the walk stack - * Op - The control Op + * op - The control Op * * RETURN: Status * diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c index cd243cf2cab2..3da6fd8530c5 100644 --- a/drivers/acpi/acpica/dsfield.c +++ b/drivers/acpi/acpica/dsfield.c @@ -53,16 +53,84 @@ ACPI_MODULE_NAME("dsfield") /* Local prototypes */ +#ifdef ACPI_ASL_COMPILER +#include "acdisasm.h" +static acpi_status +acpi_ds_create_external_region(acpi_status lookup_status, + union acpi_parse_object *op, + char *path, + struct acpi_walk_state *walk_state, + struct acpi_namespace_node **node); +#endif + static acpi_status acpi_ds_get_field_names(struct acpi_create_field_info *info, struct acpi_walk_state *walk_state, union acpi_parse_object *arg); +#ifdef ACPI_ASL_COMPILER +/******************************************************************************* + * + * FUNCTION: acpi_ds_create_external_region (iASL Disassembler only) + * + * PARAMETERS: lookup_status - Status from ns_lookup operation + * op - Op containing the Field definition and args + * path - Pathname of the region + * ` walk_state - Current method state + * node - Where the new region node is returned + * + * RETURN: Status + * + * DESCRIPTION: Add region to the external list if NOT_FOUND. Create a new + * region node/object. + * + ******************************************************************************/ + +static acpi_status +acpi_ds_create_external_region(acpi_status lookup_status, + union acpi_parse_object *op, + char *path, + struct acpi_walk_state *walk_state, + struct acpi_namespace_node **node) +{ + acpi_status status; + union acpi_operand_object *obj_desc; + + if (lookup_status != AE_NOT_FOUND) { + return (lookup_status); + } + + /* + * Table disassembly: + * operation_region not found. Generate an External for it, and + * insert the name into the namespace. + */ + acpi_dm_add_to_external_list(op, path, ACPI_TYPE_REGION, 0); + status = acpi_ns_lookup(walk_state->scope_info, path, ACPI_TYPE_REGION, + ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, + walk_state, node); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Must create and install a region object for the new node */ + + obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_REGION); + if (!obj_desc) { + return (AE_NO_MEMORY); + } + + obj_desc->region.node = *node; + status = acpi_ns_attach_object(*node, obj_desc, ACPI_TYPE_REGION); + return (status); +} +#endif + /******************************************************************************* * * FUNCTION: acpi_ds_create_buffer_field * - * PARAMETERS: Op - Current parse op (create_xXField) + * PARAMETERS: op - Current parse op (create_XXField) * walk_state - Current state * * RETURN: Status @@ -99,7 +167,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, arg = acpi_ps_get_arg(op, 3); } else { - /* For all other create_xXXField operators, name is the 3rd argument */ + /* For all other create_XXXField operators, name is the 3rd argument */ arg = acpi_ps_get_arg(op, 2); } @@ -203,9 +271,9 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, * * FUNCTION: acpi_ds_get_field_names * - * PARAMETERS: Info - create_field info structure + * PARAMETERS: info - create_field info structure * ` walk_state - Current method state - * Arg - First parser arg for the field name list + * arg - First parser arg for the field name list * * RETURN: Status * @@ -234,10 +302,10 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, while (arg) { /* * Four types of field elements are handled: - * 1) Name - Enters a new named field into the namespace - * 2) Offset - specifies a bit offset + * 1) name - Enters a new named field into the namespace + * 2) offset - specifies a bit offset * 3) access_as - changes the access mode/attributes - * 4) Connection - Associate a resource template with the field + * 4) connection - Associate a resource template with the field */ switch (arg->common.aml_opcode) { case AML_INT_RESERVEDFIELD_OP: @@ -389,7 +457,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, * * FUNCTION: acpi_ds_create_field * - * PARAMETERS: Op - Op containing the Field definition and args + * PARAMETERS: op - Op containing the Field definition and args * region_node - Object for the containing Operation Region * ` walk_state - Current method state * @@ -413,12 +481,19 @@ acpi_ds_create_field(union acpi_parse_object *op, /* First arg is the name of the parent op_region (must already exist) */ arg = op->common.value.arg; + if (!region_node) { status = acpi_ns_lookup(walk_state->scope_info, arg->common.value.name, ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, ®ion_node); +#ifdef ACPI_ASL_COMPILER + status = acpi_ds_create_external_region(status, arg, + arg->common.value.name, + walk_state, + ®ion_node); +#endif if (ACPI_FAILURE(status)) { ACPI_ERROR_NAMESPACE(arg->common.value.name, status); return_ACPI_STATUS(status); @@ -446,7 +521,7 @@ acpi_ds_create_field(union acpi_parse_object *op, * * FUNCTION: acpi_ds_init_field_objects * - * PARAMETERS: Op - Op containing the Field definition and args + * PARAMETERS: op - Op containing the Field definition and args * ` walk_state - Current method state * * RETURN: Status @@ -561,7 +636,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op, * * FUNCTION: acpi_ds_create_bank_field * - * PARAMETERS: Op - Op containing the Field definition and args + * PARAMETERS: op - Op containing the Field definition and args * region_node - Object for the containing Operation Region * walk_state - Current method state * @@ -591,6 +666,12 @@ acpi_ds_create_bank_field(union acpi_parse_object *op, arg->common.value.name, ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, ®ion_node); +#ifdef ACPI_ASL_COMPILER + status = acpi_ds_create_external_region(status, arg, + arg->common.value.name, + walk_state, + ®ion_node); +#endif if (ACPI_FAILURE(status)) { ACPI_ERROR_NAMESPACE(arg->common.value.name, status); return_ACPI_STATUS(status); @@ -645,7 +726,7 @@ acpi_ds_create_bank_field(union acpi_parse_object *op, * * FUNCTION: acpi_ds_create_index_field * - * PARAMETERS: Op - Op containing the Field definition and args + * PARAMETERS: op - Op containing the Field definition and args * region_node - Object for the containing Operation Region * ` walk_state - Current method state * diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index 9e5ac7f780a7..87eff701ecfa 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -60,8 +60,8 @@ acpi_ds_init_one_object(acpi_handle obj_handle, * FUNCTION: acpi_ds_init_one_object * * PARAMETERS: obj_handle - Node for the object - * Level - Current nesting level - * Context - Points to a init info struct + * level - Current nesting level + * context - Points to a init info struct * return_value - Not used * * RETURN: Status diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 00f5dab5bcc0..aa9a5d4e4052 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -61,7 +61,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc); * * FUNCTION: acpi_ds_method_error * - * PARAMETERS: Status - Execution status + * PARAMETERS: status - Execution status * walk_state - Current state * * RETURN: Status @@ -306,9 +306,9 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, * * FUNCTION: acpi_ds_call_control_method * - * PARAMETERS: Thread - Info for this thread + * PARAMETERS: thread - Info for this thread * this_walk_state - Current walk state - * Op - Current Op to be walked + * op - Current Op to be walked * * RETURN: Status * diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c index b40bd507be5d..8d55cebaa656 100644 --- a/drivers/acpi/acpica/dsmthdat.c +++ b/drivers/acpi/acpica/dsmthdat.c @@ -177,7 +177,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state) * * FUNCTION: acpi_ds_method_data_init_args * - * PARAMETERS: *Params - Pointer to a parameter list for the method + * PARAMETERS: *params - Pointer to a parameter list for the method * max_param_count - The arg count for this method * walk_state - Current walk state object * @@ -232,11 +232,11 @@ acpi_ds_method_data_init_args(union acpi_operand_object **params, * * FUNCTION: acpi_ds_method_data_get_node * - * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or + * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or * ACPI_REFCLASS_ARG - * Index - Which Local or Arg whose type to get + * index - Which Local or Arg whose type to get * walk_state - Current walk state object - * Node - Where the node is returned. + * node - Where the node is returned. * * RETURN: Status and node * @@ -296,10 +296,10 @@ acpi_ds_method_data_get_node(u8 type, * * FUNCTION: acpi_ds_method_data_set_value * - * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or + * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or * ACPI_REFCLASS_ARG - * Index - Which Local or Arg to get - * Object - Object to be inserted into the stack entry + * index - Which Local or Arg to get + * object - Object to be inserted into the stack entry * walk_state - Current walk state object * * RETURN: Status @@ -336,7 +336,7 @@ acpi_ds_method_data_set_value(u8 type, * Increment ref count so object can't be deleted while installed. * NOTE: We do not copy the object in order to preserve the call by * reference semantics of ACPI Control Method invocation. - * (See ACPI Specification 2.0_c) + * (See ACPI Specification 2.0C) */ acpi_ut_add_reference(object); @@ -350,9 +350,9 @@ acpi_ds_method_data_set_value(u8 type, * * FUNCTION: acpi_ds_method_data_get_value * - * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or + * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or * ACPI_REFCLASS_ARG - * Index - Which local_var or argument to get + * index - Which localVar or argument to get * walk_state - Current walk state object * dest_desc - Where Arg or Local value is returned * @@ -458,9 +458,9 @@ acpi_ds_method_data_get_value(u8 type, * * FUNCTION: acpi_ds_method_data_delete_value * - * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or + * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or * ACPI_REFCLASS_ARG - * Index - Which local_var or argument to delete + * index - Which localVar or argument to delete * walk_state - Current walk state object * * RETURN: None @@ -515,9 +515,9 @@ acpi_ds_method_data_delete_value(u8 type, * * FUNCTION: acpi_ds_store_object_to_local * - * PARAMETERS: Type - Either ACPI_REFCLASS_LOCAL or + * PARAMETERS: type - Either ACPI_REFCLASS_LOCAL or * ACPI_REFCLASS_ARG - * Index - Which Local or Arg to set + * index - Which Local or Arg to set * obj_desc - Value to be stored * walk_state - Current walk state * @@ -670,8 +670,8 @@ acpi_ds_store_object_to_local(u8 type, * * FUNCTION: acpi_ds_method_data_get_type * - * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP - * Index - Which Local or Arg whose type to get + * PARAMETERS: opcode - Either AML_LOCAL_OP or AML_ARG_OP + * index - Which Local or Arg whose type to get * walk_state - Current walk state object * * RETURN: Data type of current value of the selected Arg or Local diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index d7045ca3e32a..68592dd34960 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -64,7 +64,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_build_internal_object * * PARAMETERS: walk_state - Current walk state - * Op - Parser object to be translated + * op - Parser object to be translated * obj_desc_ptr - Where the ACPI internal object is returned * * RETURN: Status @@ -250,7 +250,7 @@ acpi_ds_build_internal_object(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_build_internal_buffer_obj * * PARAMETERS: walk_state - Current walk state - * Op - Parser object to be translated + * op - Parser object to be translated * buffer_length - Length of the buffer * obj_desc_ptr - Where the ACPI internal object is returned * @@ -354,7 +354,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_build_internal_package_obj * * PARAMETERS: walk_state - Current walk state - * Op - Parser object to be translated + * op - Parser object to be translated * element_count - Number of elements in the package - this is * the num_elements argument to Package() * obj_desc_ptr - Where the ACPI internal object is returned @@ -547,8 +547,8 @@ acpi_ds_build_internal_package_obj(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_create_node * * PARAMETERS: walk_state - Current walk state - * Node - NS Node to be initialized - * Op - Parser object to be translated + * node - NS Node to be initialized + * op - Parser object to be translated * * RETURN: Status * @@ -611,8 +611,8 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_init_object_from_op * * PARAMETERS: walk_state - Current walk state - * Op - Parser op used to init the internal object - * Opcode - AML opcode associated with the object + * op - Parser op used to init the internal object + * opcode - AML opcode associated with the object * ret_obj_desc - Namespace object to be initialized * * RETURN: Status diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index e5eff7585102..aa34d8984d34 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -286,7 +286,7 @@ acpi_ds_init_buffer_field(u16 aml_opcode, * FUNCTION: acpi_ds_eval_buffer_field_operands * * PARAMETERS: walk_state - Current walk - * Op - A valid buffer_field Op object + * op - A valid buffer_field Op object * * RETURN: Status * @@ -370,7 +370,7 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_eval_region_operands * * PARAMETERS: walk_state - Current walk - * Op - A valid region Op object + * op - A valid region Op object * * RETURN: Status * @@ -397,7 +397,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, */ node = op->common.node; - /* next_op points to the op that holds the space_iD */ + /* next_op points to the op that holds the space_ID */ next_op = op->common.value.arg; @@ -461,7 +461,7 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_eval_table_region_operands * * PARAMETERS: walk_state - Current walk - * Op - A valid region Op object + * op - A valid region Op object * * RETURN: Status * @@ -560,7 +560,7 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_eval_data_object_operands * * PARAMETERS: walk_state - Current walk - * Op - A valid data_object Op object + * op - A valid data_object Op object * obj_desc - data_object * * RETURN: Status @@ -662,7 +662,7 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ds_eval_bank_field_operands * * PARAMETERS: walk_state - Current walk - * Op - A valid bank_field Op object + * op - A valid bank_field Op object * * RETURN: Status * diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 1abcda31037f..73a5447475f5 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -157,7 +157,7 @@ acpi_ds_do_implicit_return(union acpi_operand_object *return_desc, * * FUNCTION: acpi_ds_is_result_used * - * PARAMETERS: Op - Current Op + * PARAMETERS: op - Current Op * walk_state - Current State * * RETURN: TRUE if result is used, FALSE otherwise @@ -323,7 +323,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, * * FUNCTION: acpi_ds_delete_result_if_not_used * - * PARAMETERS: Op - Current parse Op + * PARAMETERS: op - Current parse Op * result_obj - Result of the operation * walk_state - Current state * @@ -445,7 +445,7 @@ void acpi_ds_clear_operands(struct acpi_walk_state *walk_state) * FUNCTION: acpi_ds_create_operand * * PARAMETERS: walk_state - Current walk state - * Arg - Parse object for the argument + * arg - Parse object for the argument * arg_index - Which argument (zero based) * * RETURN: Status diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c index 9e9490a9cbf0..f6c4295470ae 100644 --- a/drivers/acpi/acpica/dswscope.c +++ b/drivers/acpi/acpica/dswscope.c @@ -85,8 +85,8 @@ void acpi_ds_scope_stack_clear(struct acpi_walk_state *walk_state) * * FUNCTION: acpi_ds_scope_stack_push * - * PARAMETERS: Node - Name to be made current - * Type - Type of frame being pushed + * PARAMETERS: node - Name to be made current + * type - Type of frame being pushed * walk_state - Current state * * RETURN: Status diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index c9c2ac13e7cc..d0e6555061e4 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -58,7 +58,7 @@ static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *ws); * * FUNCTION: acpi_ds_result_pop * - * PARAMETERS: Object - Where to return the popped object + * PARAMETERS: object - Where to return the popped object * walk_state - Current Walk state * * RETURN: Status @@ -132,7 +132,7 @@ acpi_ds_result_pop(union acpi_operand_object **object, * * FUNCTION: acpi_ds_result_push * - * PARAMETERS: Object - Where to return the popped object + * PARAMETERS: object - Where to return the popped object * walk_state - Current Walk state * * RETURN: Status @@ -296,7 +296,7 @@ static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state) * * FUNCTION: acpi_ds_obj_stack_push * - * PARAMETERS: Object - Object to push + * PARAMETERS: object - Object to push * walk_state - Current Walk state * * RETURN: Status @@ -433,7 +433,7 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count, * * FUNCTION: acpi_ds_get_current_walk_state * - * PARAMETERS: Thread - Get current active state for this Thread + * PARAMETERS: thread - Get current active state for this Thread * * RETURN: Pointer to the current walk state * @@ -462,7 +462,7 @@ struct acpi_walk_state *acpi_ds_get_current_walk_state(struct acpi_thread_state * FUNCTION: acpi_ds_push_walk_state * * PARAMETERS: walk_state - State to push - * Thread - Thread state object + * thread - Thread state object * * RETURN: None * @@ -486,7 +486,7 @@ acpi_ds_push_walk_state(struct acpi_walk_state *walk_state, * * FUNCTION: acpi_ds_pop_walk_state * - * PARAMETERS: Thread - Current thread state + * PARAMETERS: thread - Current thread state * * RETURN: A walk_state object popped from the thread's stack * @@ -525,9 +525,9 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread) * FUNCTION: acpi_ds_create_walk_state * * PARAMETERS: owner_id - ID for object creation - * Origin - Starting point for this walk + * origin - Starting point for this walk * method_desc - Method object - * Thread - Current thread state + * thread - Current thread state * * RETURN: Pointer to the new walk state. * @@ -578,11 +578,11 @@ struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union * FUNCTION: acpi_ds_init_aml_walk * * PARAMETERS: walk_state - New state to be initialized - * Op - Current parse op + * op - Current parse op * method_node - Control method NS node, if any * aml_start - Start of AML * aml_length - Length of AML - * Info - Method info block (params, etc.) + * info - Method info block (params, etc.) * pass_number - 1, 2, or 3 * * RETURN: Status diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index 07e4dc44f81c..d4acfbbe5b29 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -251,7 +251,7 @@ u32 acpi_ev_fixed_event_detect(void) * * FUNCTION: acpi_ev_fixed_event_dispatch * - * PARAMETERS: Event - Event type + * PARAMETERS: event - Event type * * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED * diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c index cfeab38795d8..af14a7137632 100644 --- a/drivers/acpi/acpica/evglock.c +++ b/drivers/acpi/acpica/evglock.c @@ -135,7 +135,7 @@ acpi_status acpi_ev_remove_global_lock_handler(void) * * FUNCTION: acpi_ev_global_lock_handler * - * PARAMETERS: Context - From thread interface, not used + * PARAMETERS: context - From thread interface, not used * * RETURN: ACPI_INTERRUPT_HANDLED * @@ -182,7 +182,7 @@ static u32 acpi_ev_global_lock_handler(void *context) * * FUNCTION: acpi_ev_acquire_global_lock * - * PARAMETERS: Timeout - Max time to wait for the lock, in millisec. + * PARAMETERS: timeout - Max time to wait for the lock, in millisec. * * RETURN: Status * diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index 8ba0e5f17091..afbd5cb391f6 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -466,7 +466,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) acpi_status status; struct acpi_gpe_event_info *local_gpe_event_info; struct acpi_evaluate_info *info; - struct acpi_gpe_notify_object *notify_object; + struct acpi_gpe_notify_info *notify; ACPI_FUNCTION_TRACE(ev_asynch_execute_gpe_method); @@ -517,17 +517,17 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context) * completes. The notify handlers are NOT invoked synchronously * from this thread -- because handlers may in turn run other * control methods. + * + * June 2012: Expand implicit notify mechanism to support + * notifies on multiple device objects. */ - status = acpi_ev_queue_notify_request( - local_gpe_event_info->dispatch.device.node, - ACPI_NOTIFY_DEVICE_WAKE); - - notify_object = local_gpe_event_info->dispatch.device.next; - while (ACPI_SUCCESS(status) && notify_object) { - status = acpi_ev_queue_notify_request( - notify_object->node, - ACPI_NOTIFY_DEVICE_WAKE); - notify_object = notify_object->next; + notify = local_gpe_event_info->dispatch.notify_list; + while (ACPI_SUCCESS(status) && notify) { + status = + acpi_ev_queue_notify_request(notify->device_node, + ACPI_NOTIFY_DEVICE_WAKE); + + notify = notify->next; } break; diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 23a3ca86b2eb..8cf4c104c7b7 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -318,7 +318,7 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block) * FUNCTION: acpi_ev_create_gpe_block * * PARAMETERS: gpe_device - Handle to the parent GPE block - * gpe_block_address - Address and space_iD + * gpe_block_address - Address and space_ID * register_count - Number of GPE register pairs in the block * gpe_block_base_number - Starting GPE number for the block * interrupt_number - H/W interrupt for the block diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index 3c43796b8361..cb50dd91bc18 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -54,7 +54,7 @@ ACPI_MODULE_NAME("evgpeutil") * FUNCTION: acpi_ev_walk_gpe_list * * PARAMETERS: gpe_walk_callback - Routine called for each GPE block - * Context - Value passed to callback + * context - Value passed to callback * * RETURN: Status * @@ -347,6 +347,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, void *context) { struct acpi_gpe_event_info *gpe_event_info; + struct acpi_gpe_notify_info *notify; + struct acpi_gpe_notify_info *next; u32 i; u32 j; @@ -365,10 +367,28 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) { + + /* Delete an installed handler block */ + ACPI_FREE(gpe_event_info->dispatch.handler); gpe_event_info->dispatch.handler = NULL; gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; + } else if ((gpe_event_info-> + flags & ACPI_GPE_DISPATCH_MASK) == + ACPI_GPE_DISPATCH_NOTIFY) { + + /* Delete the implicit notification device list */ + + notify = gpe_event_info->dispatch.notify_list; + while (notify) { + next = notify->next; + ACPI_FREE(notify); + notify = next; + } + gpe_event_info->dispatch.notify_list = NULL; + gpe_event_info->flags &= + ~ACPI_GPE_DISPATCH_MASK; } } } diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index 51ef9f5e002d..51f537937c1f 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -56,7 +56,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context); * * FUNCTION: acpi_ev_is_notify_object * - * PARAMETERS: Node - Node to check + * PARAMETERS: node - Node to check * * RETURN: TRUE if notifies allowed on this object * @@ -86,7 +86,7 @@ u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node) * * FUNCTION: acpi_ev_queue_notify_request * - * PARAMETERS: Node - NS node for the notified object + * PARAMETERS: node - NS node for the notified object * notify_value - Value from the Notify() request * * RETURN: Status @@ -101,102 +101,77 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, u32 notify_value) { union acpi_operand_object *obj_desc; - union acpi_operand_object *handler_obj = NULL; - union acpi_generic_state *notify_info; + union acpi_operand_object *handler_list_head = NULL; + union acpi_generic_state *info; + u8 handler_list_id = 0; acpi_status status = AE_OK; ACPI_FUNCTION_NAME(ev_queue_notify_request); - /* - * For value 0x03 (Ejection Request), may need to run a device method. - * For value 0x02 (Device Wake), if _PRW exists, may need to run - * the _PS0 method. - * For value 0x80 (Status Change) on the power button or sleep button, - * initiate soft-off or sleep operation. - * - * For all cases, simply dispatch the notify to the handler. - */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n", - acpi_ut_get_node_name(node), - acpi_ut_get_type_name(node->type), notify_value, - acpi_ut_get_notify_name(notify_value), node)); + /* Are Notifies allowed on this object? */ - /* Get the notify object attached to the NS Node */ - - obj_desc = acpi_ns_get_attached_object(node); - if (obj_desc) { - - /* We have the notify object, Get the correct handler */ - - switch (node->type) { + if (!acpi_ev_is_notify_object(node)) { + return (AE_TYPE); + } - /* Notify is allowed only on these types */ + /* Get the correct notify list type (System or Device) */ - case ACPI_TYPE_DEVICE: - case ACPI_TYPE_THERMAL: - case ACPI_TYPE_PROCESSOR: + if (notify_value <= ACPI_MAX_SYS_NOTIFY) { + handler_list_id = ACPI_SYSTEM_HANDLER_LIST; + } else { + handler_list_id = ACPI_DEVICE_HANDLER_LIST; + } - if (notify_value <= ACPI_MAX_SYS_NOTIFY) { - handler_obj = - obj_desc->common_notify.system_notify; - } else { - handler_obj = - obj_desc->common_notify.device_notify; - } - break; + /* Get the notify object attached to the namespace Node */ - default: + obj_desc = acpi_ns_get_attached_object(node); + if (obj_desc) { - /* All other types are not supported */ + /* We have an attached object, Get the correct handler list */ - return (AE_TYPE); - } + handler_list_head = + obj_desc->common_notify.notify_list[handler_list_id]; } /* - * If there is a handler to run, schedule the dispatcher. - * Check for: - * 1) Global system notify handler - * 2) Global device notify handler - * 3) Per-device notify handler + * If there is no notify handler (Global or Local) + * for this object, just ignore the notify */ - if ((acpi_gbl_system_notify.handler && - (notify_value <= ACPI_MAX_SYS_NOTIFY)) || - (acpi_gbl_device_notify.handler && - (notify_value > ACPI_MAX_SYS_NOTIFY)) || handler_obj) { - notify_info = acpi_ut_create_generic_state(); - if (!notify_info) { - return (AE_NO_MEMORY); - } + if (!acpi_gbl_global_notify[handler_list_id].handler + && !handler_list_head) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "No notify handler for Notify, ignoring (%4.4s, %X) node %p\n", + acpi_ut_get_node_name(node), notify_value, + node)); - if (!handler_obj) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Executing system notify handler for Notify (%4.4s, %X) " - "node %p\n", - acpi_ut_get_node_name(node), - notify_value, node)); - } + return (AE_OK); + } - notify_info->common.descriptor_type = - ACPI_DESC_TYPE_STATE_NOTIFY; - notify_info->notify.node = node; - notify_info->notify.value = (u16) notify_value; - notify_info->notify.handler_obj = handler_obj; + /* Setup notify info and schedule the notify dispatcher */ - status = - acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, - notify_info); - if (ACPI_FAILURE(status)) { - acpi_ut_delete_generic_state(notify_info); - } - } else { - /* There is no notify handler (per-device or system) for this device */ + info = acpi_ut_create_generic_state(); + if (!info) { + return (AE_NO_MEMORY); + } - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "No notify handler for Notify (%4.4s, %X) node %p\n", - acpi_ut_get_node_name(node), notify_value, - node)); + info->common.descriptor_type = ACPI_DESC_TYPE_STATE_NOTIFY; + + info->notify.node = node; + info->notify.value = (u16)notify_value; + info->notify.handler_list_id = handler_list_id; + info->notify.handler_list_head = handler_list_head; + info->notify.global = &acpi_gbl_global_notify[handler_list_id]; + + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n", + acpi_ut_get_node_name(node), + acpi_ut_get_type_name(node->type), notify_value, + acpi_ut_get_notify_name(notify_value), node)); + + status = acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, + info); + if (ACPI_FAILURE(status)) { + acpi_ut_delete_generic_state(info); } return (status); @@ -206,7 +181,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, * * FUNCTION: acpi_ev_notify_dispatch * - * PARAMETERS: Context - To be passed to the notify handler + * PARAMETERS: context - To be passed to the notify handler * * RETURN: None. * @@ -217,60 +192,34 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context) { - union acpi_generic_state *notify_info = - (union acpi_generic_state *)context; - acpi_notify_handler global_handler = NULL; - void *global_context = NULL; + union acpi_generic_state *info = (union acpi_generic_state *)context; union acpi_operand_object *handler_obj; ACPI_FUNCTION_ENTRY(); - /* - * We will invoke a global notify handler if installed. This is done - * _before_ we invoke the per-device handler attached to the device. - */ - if (notify_info->notify.value <= ACPI_MAX_SYS_NOTIFY) { - - /* Global system notification handler */ - - if (acpi_gbl_system_notify.handler) { - global_handler = acpi_gbl_system_notify.handler; - global_context = acpi_gbl_system_notify.context; - } - } else { - /* Global driver notification handler */ - - if (acpi_gbl_device_notify.handler) { - global_handler = acpi_gbl_device_notify.handler; - global_context = acpi_gbl_device_notify.context; - } - } - - /* Invoke the system handler first, if present */ + /* Invoke a global notify handler if installed */ - if (global_handler) { - global_handler(notify_info->notify.node, - notify_info->notify.value, global_context); + if (info->notify.global->handler) { + info->notify.global->handler(info->notify.node, + info->notify.value, + info->notify.global->context); } - /* Now invoke the per-device handler, if present */ + /* Now invoke the local notify handler(s) if any are installed */ - handler_obj = notify_info->notify.handler_obj; - if (handler_obj) { - struct acpi_object_notify_handler *notifier; + handler_obj = info->notify.handler_list_head; + while (handler_obj) { + handler_obj->notify.handler(info->notify.node, + info->notify.value, + handler_obj->notify.context); - notifier = &handler_obj->notify; - while (notifier) { - notifier->handler(notify_info->notify.node, - notify_info->notify.value, - notifier->context); - notifier = notifier->next; - } + handler_obj = + handler_obj->notify.next[info->notify.handler_list_id]; } /* All done with the info object */ - acpi_ut_delete_generic_state(notify_info); + acpi_ut_delete_generic_state(info); } #if (!ACPI_REDUCED_HARDWARE) diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 1b0180a1b798..0cc6a16fedc7 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -150,7 +150,7 @@ acpi_status acpi_ev_install_region_handlers(void) * * FUNCTION: acpi_ev_has_default_handler * - * PARAMETERS: Node - Namespace node for the device + * PARAMETERS: node - Namespace node for the device * space_id - The address space ID * * RETURN: TRUE if default handler is installed, FALSE otherwise @@ -244,7 +244,7 @@ acpi_status acpi_ev_initialize_op_regions(void) * FUNCTION: acpi_ev_execute_reg_method * * PARAMETERS: region_obj - Region object - * Function - Passed to _REG: On (1) or Off (0) + * function - Passed to _REG: On (1) or Off (0) * * RETURN: Status * @@ -286,10 +286,10 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) /* * The _REG method has two arguments: * - * Arg0 - Integer: + * arg0 - Integer: * Operation region space ID Same value as region_obj->Region.space_id * - * Arg1 - Integer: + * arg1 - Integer: * connection status 1 for connecting the handler, 0 for disconnecting * the handler (Passed as a parameter) */ @@ -330,10 +330,10 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) * * PARAMETERS: region_obj - Internal region object * field_obj - Corresponding field. Can be NULL. - * Function - Read or Write operation + * function - Read or Write operation * region_offset - Where in the region to read or write * bit_width - Field width in bits (8, 16, 32, or 64) - * Value - Pointer to in or out value, must be + * value - Pointer to in or out value, must be * a full 64-bit integer * * RETURN: Status @@ -840,11 +840,11 @@ acpi_ev_install_handler(acpi_handle obj_handle, * * FUNCTION: acpi_ev_install_space_handler * - * PARAMETERS: Node - Namespace node for the device + * PARAMETERS: node - Namespace node for the device * space_id - The address space ID - * Handler - Address of the handler - * Setup - Address of the setup function - * Context - Value passed to the handler on each access + * handler - Address of the handler + * setup - Address of the setup function + * context - Value passed to the handler on each access * * RETURN: Status * @@ -1061,7 +1061,7 @@ acpi_ev_install_space_handler(struct acpi_namespace_node * node, * * FUNCTION: acpi_ev_execute_reg_methods * - * PARAMETERS: Node - Namespace node for the device + * PARAMETERS: node - Namespace node for the device * space_id - The address space ID * * RETURN: Status @@ -1104,7 +1104,7 @@ acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, * * PARAMETERS: walk_namespace callback * - * DESCRIPTION: Run _REG method for region objects of the requested space_iD + * DESCRIPTION: Run _REG method for region objects of the requested spaceID * ******************************************************************************/ diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 819c17f5897a..4c1c8261166f 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -56,8 +56,8 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node); * * FUNCTION: acpi_ev_system_memory_region_setup * - * PARAMETERS: Handle - Region we are interested in - * Function - Start or stop + * PARAMETERS: handle - Region we are interested in + * function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * @@ -118,8 +118,8 @@ acpi_ev_system_memory_region_setup(acpi_handle handle, * * FUNCTION: acpi_ev_io_space_region_setup * - * PARAMETERS: Handle - Region we are interested in - * Function - Start or stop + * PARAMETERS: handle - Region we are interested in + * function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * @@ -149,8 +149,8 @@ acpi_ev_io_space_region_setup(acpi_handle handle, * * FUNCTION: acpi_ev_pci_config_region_setup * - * PARAMETERS: Handle - Region we are interested in - * Function - Start or stop + * PARAMETERS: handle - Region we are interested in + * function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * @@ -338,7 +338,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, * * FUNCTION: acpi_ev_is_pci_root_bridge * - * PARAMETERS: Node - Device node being examined + * PARAMETERS: node - Device node being examined * * RETURN: TRUE if device is a PCI/PCI-Express Root Bridge * @@ -393,14 +393,14 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node) * * FUNCTION: acpi_ev_pci_bar_region_setup * - * PARAMETERS: Handle - Region we are interested in - * Function - Start or stop + * PARAMETERS: handle - Region we are interested in + * function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * * RETURN: Status * - * DESCRIPTION: Setup a pci_bAR operation region + * DESCRIPTION: Setup a pci_BAR operation region * * MUTEX: Assumes namespace is not locked * @@ -420,8 +420,8 @@ acpi_ev_pci_bar_region_setup(acpi_handle handle, * * FUNCTION: acpi_ev_cmos_region_setup * - * PARAMETERS: Handle - Region we are interested in - * Function - Start or stop + * PARAMETERS: handle - Region we are interested in + * function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * @@ -447,8 +447,8 @@ acpi_ev_cmos_region_setup(acpi_handle handle, * * FUNCTION: acpi_ev_default_region_setup * - * PARAMETERS: Handle - Region we are interested in - * Function - Start or stop + * PARAMETERS: handle - Region we are interested in + * function - Start or stop * handler_context - Address space handler context * region_context - Region specific context * diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c index 6a57aa2d70d1..f9661e2b46a9 100644 --- a/drivers/acpi/acpica/evsci.c +++ b/drivers/acpi/acpica/evsci.c @@ -56,7 +56,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context); * * FUNCTION: acpi_ev_sci_xrupt_handler * - * PARAMETERS: Context - Calling Context + * PARAMETERS: context - Calling Context * * RETURN: Status code indicates whether interrupt was handled. * @@ -96,7 +96,7 @@ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context) * * FUNCTION: acpi_ev_gpe_xrupt_handler * - * PARAMETERS: Context - Calling Context + * PARAMETERS: context - Calling Context * * RETURN: Status code indicates whether interrupt was handled. * diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index 44bef5744ebb..7587eb6c9584 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -54,86 +54,25 @@ ACPI_MODULE_NAME("evxface") /******************************************************************************* * - * FUNCTION: acpi_populate_handler_object - * - * PARAMETERS: handler_obj - Handler object to populate - * handler_type - The type of handler: - * ACPI_SYSTEM_NOTIFY: system_handler (00-7f) - * ACPI_DEVICE_NOTIFY: driver_handler (80-ff) - * ACPI_ALL_NOTIFY: both system and device - * handler - Address of the handler - * context - Value passed to the handler on each GPE - * next - Address of a handler object to link to - * - * RETURN: None - * - * DESCRIPTION: Populate a handler object. - * - ******************************************************************************/ -static void -acpi_populate_handler_object(struct acpi_object_notify_handler *handler_obj, - u32 handler_type, - acpi_notify_handler handler, void *context, - struct acpi_object_notify_handler *next) -{ - handler_obj->handler_type = handler_type; - handler_obj->handler = handler; - handler_obj->context = context; - handler_obj->next = next; -} - -/******************************************************************************* - * - * FUNCTION: acpi_add_handler_object - * - * PARAMETERS: parent_obj - Parent of the new object - * handler - Address of the handler - * context - Value passed to the handler on each GPE - * - * RETURN: Status - * - * DESCRIPTION: Create a new handler object and populate it. - * - ******************************************************************************/ -static acpi_status -acpi_add_handler_object(struct acpi_object_notify_handler *parent_obj, - acpi_notify_handler handler, void *context) -{ - struct acpi_object_notify_handler *handler_obj; - - /* The parent must not be a defice notify handler object. */ - if (parent_obj->handler_type & ACPI_DEVICE_NOTIFY) - return AE_BAD_PARAMETER; - - handler_obj = ACPI_ALLOCATE_ZEROED(sizeof(*handler_obj)); - if (!handler_obj) - return AE_NO_MEMORY; - - acpi_populate_handler_object(handler_obj, - ACPI_SYSTEM_NOTIFY, - handler, context, - parent_obj->next); - parent_obj->next = handler_obj; - - return AE_OK; -} - - -/******************************************************************************* - * * FUNCTION: acpi_install_notify_handler * * PARAMETERS: Device - The device for which notifies will be handled * handler_type - The type of handler: - * ACPI_SYSTEM_NOTIFY: system_handler (00-7f) - * ACPI_DEVICE_NOTIFY: driver_handler (80-ff) - * ACPI_ALL_NOTIFY: both system and device + * ACPI_SYSTEM_NOTIFY: System Handler (00-7F) + * ACPI_DEVICE_NOTIFY: Device Handler (80-FF) + * ACPI_ALL_NOTIFY: Both System and Device * Handler - Address of the handler * Context - Value passed to the handler on each GPE * * RETURN: Status * - * DESCRIPTION: Install a handler for notifies on an ACPI device + * DESCRIPTION: Install a handler for notifications on an ACPI Device, + * thermal_zone, or Processor object. + * + * NOTES: The Root namespace object may have only one handler for each + * type of notify (System/Device). Device/Thermal/Processor objects + * may have one device notify handler, and multiple system notify + * handlers. * ******************************************************************************/ acpi_status @@ -141,17 +80,19 @@ acpi_install_notify_handler(acpi_handle device, u32 handler_type, acpi_notify_handler handler, void *context) { + struct acpi_namespace_node *node = + ACPI_CAST_PTR(struct acpi_namespace_node, device); union acpi_operand_object *obj_desc; - union acpi_operand_object *notify_obj; - struct acpi_namespace_node *node; + union acpi_operand_object *handler_obj; acpi_status status; + u32 i; ACPI_FUNCTION_TRACE(acpi_install_notify_handler); /* Parameter validation */ - if ((!device) || - (!handler) || (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) { + if ((!device) || (!handler) || (!handler_type) || + (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) { return_ACPI_STATUS(AE_BAD_PARAMETER); } @@ -160,144 +101,112 @@ acpi_install_notify_handler(acpi_handle device, return_ACPI_STATUS(status); } - /* Convert and validate the device handle */ - - node = acpi_ns_validate_handle(device); - if (!node) { - status = AE_BAD_PARAMETER; - goto unlock_and_exit; - } - /* * Root Object: * Registering a notify handler on the root object indicates that the * caller wishes to receive notifications for all objects. Note that - * only one <external> global handler can be regsitered (per notify type). + * only one global handler can be registered per notify type. + * Ensure that a handler is not already installed. */ if (device == ACPI_ROOT_OBJECT) { + for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) { + if (handler_type & (i + 1)) { + if (acpi_gbl_global_notify[i].handler) { + status = AE_ALREADY_EXISTS; + goto unlock_and_exit; + } - /* Make sure the handler is not already installed */ - - if (((handler_type & ACPI_SYSTEM_NOTIFY) && - acpi_gbl_system_notify.handler) || - ((handler_type & ACPI_DEVICE_NOTIFY) && - acpi_gbl_device_notify.handler)) { - status = AE_ALREADY_EXISTS; - goto unlock_and_exit; - } - - if (handler_type & ACPI_SYSTEM_NOTIFY) { - acpi_gbl_system_notify.node = node; - acpi_gbl_system_notify.handler = handler; - acpi_gbl_system_notify.context = context; - } - - if (handler_type & ACPI_DEVICE_NOTIFY) { - acpi_gbl_device_notify.node = node; - acpi_gbl_device_notify.handler = handler; - acpi_gbl_device_notify.context = context; + acpi_gbl_global_notify[i].handler = handler; + acpi_gbl_global_notify[i].context = context; + } } - /* Global notify handler installed */ + goto unlock_and_exit; /* Global notify handler installed, all done */ } /* * All Other Objects: - * Caller will only receive notifications specific to the target object. - * Note that only certain object types can receive notifications. + * Caller will only receive notifications specific to the target + * object. Note that only certain object types are allowed to + * receive notifications. */ - else { - /* Notifies allowed on this object? */ - if (!acpi_ev_is_notify_object(node)) { - status = AE_TYPE; - goto unlock_and_exit; - } + /* Are Notifies allowed on this object? */ - /* Check for an existing internal object */ + if (!acpi_ev_is_notify_object(node)) { + status = AE_TYPE; + goto unlock_and_exit; + } - obj_desc = acpi_ns_get_attached_object(node); - if (obj_desc) { + /* Check for an existing internal object, might not exist */ - /* Object exists. */ + obj_desc = acpi_ns_get_attached_object(node); + if (!obj_desc) { - /* For a device notify, make sure there's no handler. */ - if ((handler_type & ACPI_DEVICE_NOTIFY) && - obj_desc->common_notify.device_notify) { - status = AE_ALREADY_EXISTS; - goto unlock_and_exit; - } + /* Create a new object */ - /* System notifies may have more handlers installed. */ - notify_obj = obj_desc->common_notify.system_notify; + obj_desc = acpi_ut_create_internal_object(node->type); + if (!obj_desc) { + status = AE_NO_MEMORY; + goto unlock_and_exit; + } - if ((handler_type & ACPI_SYSTEM_NOTIFY) && notify_obj) { - struct acpi_object_notify_handler *parent_obj; + /* Attach new object to the Node, remove local reference */ + + status = acpi_ns_attach_object(device, obj_desc, node->type); + acpi_ut_remove_reference(obj_desc); + if (ACPI_FAILURE(status)) { + goto unlock_and_exit; + } + } - if (handler_type & ACPI_DEVICE_NOTIFY) { + /* Ensure that the handler is not already installed in the lists */ + + for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) { + if (handler_type & (i + 1)) { + handler_obj = obj_desc->common_notify.notify_list[i]; + while (handler_obj) { + if (handler_obj->notify.handler == handler) { status = AE_ALREADY_EXISTS; goto unlock_and_exit; } - parent_obj = ¬ify_obj->notify; - status = acpi_add_handler_object(parent_obj, - handler, - context); - goto unlock_and_exit; - } - } else { - /* Create a new object */ - - obj_desc = acpi_ut_create_internal_object(node->type); - if (!obj_desc) { - status = AE_NO_MEMORY; - goto unlock_and_exit; - } - - /* Attach new object to the Node */ - - status = - acpi_ns_attach_object(device, obj_desc, node->type); - - /* Remove local reference to the object */ - - acpi_ut_remove_reference(obj_desc); - if (ACPI_FAILURE(status)) { - goto unlock_and_exit; + handler_obj = handler_obj->notify.next[i]; } } + } - /* Install the handler */ + /* Create and populate a new notify handler object */ - notify_obj = - acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_NOTIFY); - if (!notify_obj) { - status = AE_NO_MEMORY; - goto unlock_and_exit; - } + handler_obj = acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_NOTIFY); + if (!handler_obj) { + status = AE_NO_MEMORY; + goto unlock_and_exit; + } - acpi_populate_handler_object(¬ify_obj->notify, - handler_type, - handler, context, - NULL); + handler_obj->notify.node = node; + handler_obj->notify.handler_type = handler_type; + handler_obj->notify.handler = handler; + handler_obj->notify.context = context; - if (handler_type & ACPI_SYSTEM_NOTIFY) { - obj_desc->common_notify.system_notify = notify_obj; - } + /* Install the handler at the list head(s) */ - if (handler_type & ACPI_DEVICE_NOTIFY) { - obj_desc->common_notify.device_notify = notify_obj; - } + for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) { + if (handler_type & (i + 1)) { + handler_obj->notify.next[i] = + obj_desc->common_notify.notify_list[i]; - if (handler_type == ACPI_ALL_NOTIFY) { + obj_desc->common_notify.notify_list[i] = handler_obj; + } + } - /* Extra ref if installed in both */ + /* Add an extra reference if handler was installed in both lists */ - acpi_ut_add_reference(notify_obj); - } + if (handler_type == ACPI_ALL_NOTIFY) { + acpi_ut_add_reference(handler_obj); } - unlock_and_exit: +unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); return_ACPI_STATUS(status); } @@ -308,11 +217,11 @@ ACPI_EXPORT_SYMBOL(acpi_install_notify_handler) * * FUNCTION: acpi_remove_notify_handler * - * PARAMETERS: Device - The device for which notifies will be handled + * PARAMETERS: Device - The device for which the handler is installed * handler_type - The type of handler: - * ACPI_SYSTEM_NOTIFY: system_handler (00-7f) - * ACPI_DEVICE_NOTIFY: driver_handler (80-ff) - * ACPI_ALL_NOTIFY: both system and device + * ACPI_SYSTEM_NOTIFY: System Handler (00-7F) + * ACPI_DEVICE_NOTIFY: Device Handler (80-FF) + * ACPI_ALL_NOTIFY: Both System and Device * Handler - Address of the handler * * RETURN: Status @@ -324,165 +233,106 @@ acpi_status acpi_remove_notify_handler(acpi_handle device, u32 handler_type, acpi_notify_handler handler) { - union acpi_operand_object *notify_obj; + struct acpi_namespace_node *node = + ACPI_CAST_PTR(struct acpi_namespace_node, device); union acpi_operand_object *obj_desc; - struct acpi_namespace_node *node; + union acpi_operand_object *handler_obj; + union acpi_operand_object *previous_handler_obj; acpi_status status; + u32 i; ACPI_FUNCTION_TRACE(acpi_remove_notify_handler); /* Parameter validation */ - if ((!device) || - (!handler) || (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) { - status = AE_BAD_PARAMETER; - goto exit; + if ((!device) || (!handler) || (!handler_type) || + (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) { + return_ACPI_STATUS(AE_BAD_PARAMETER); } - - /* Make sure all deferred tasks are completed */ - acpi_os_wait_events_complete(NULL); + + acpi_os_wait_events_complete(); status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - goto exit; - } - - /* Convert and validate the device handle */ - - node = acpi_ns_validate_handle(device); - if (!node) { - status = AE_BAD_PARAMETER; - goto unlock_and_exit; + return_ACPI_STATUS(status); } - /* Root Object */ + /* Root Object. Global handlers are removed here */ if (device == ACPI_ROOT_OBJECT) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Removing notify handler for namespace root object\n")); + for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) { + if (handler_type & (i + 1)) { + if (!acpi_gbl_global_notify[i].handler || + (acpi_gbl_global_notify[i].handler != + handler)) { + status = AE_NOT_EXIST; + goto unlock_and_exit; + } - if (((handler_type & ACPI_SYSTEM_NOTIFY) && - !acpi_gbl_system_notify.handler) || - ((handler_type & ACPI_DEVICE_NOTIFY) && - !acpi_gbl_device_notify.handler)) { - status = AE_NOT_EXIST; - goto unlock_and_exit; - } + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Removing global notify handler\n")); - if (handler_type & ACPI_SYSTEM_NOTIFY) { - acpi_gbl_system_notify.node = NULL; - acpi_gbl_system_notify.handler = NULL; - acpi_gbl_system_notify.context = NULL; + acpi_gbl_global_notify[i].handler = NULL; + acpi_gbl_global_notify[i].context = NULL; + } } - if (handler_type & ACPI_DEVICE_NOTIFY) { - acpi_gbl_device_notify.node = NULL; - acpi_gbl_device_notify.handler = NULL; - acpi_gbl_device_notify.context = NULL; - } + goto unlock_and_exit; } - /* All Other Objects */ + /* All other objects: Are Notifies allowed on this object? */ - else { - /* Notifies allowed on this object? */ + if (!acpi_ev_is_notify_object(node)) { + status = AE_TYPE; + goto unlock_and_exit; + } - if (!acpi_ev_is_notify_object(node)) { - status = AE_TYPE; - goto unlock_and_exit; - } + /* Must have an existing internal object */ - /* Check for an existing internal object */ + obj_desc = acpi_ns_get_attached_object(node); + if (!obj_desc) { + status = AE_NOT_EXIST; + goto unlock_and_exit; + } - obj_desc = acpi_ns_get_attached_object(node); - if (!obj_desc) { - status = AE_NOT_EXIST; - goto unlock_and_exit; - } + /* Internal object exists. Find the handler and remove it */ - /* Object exists - make sure there's an existing handler */ + for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) { + if (handler_type & (i + 1)) { + handler_obj = obj_desc->common_notify.notify_list[i]; + previous_handler_obj = NULL; - if (handler_type & ACPI_SYSTEM_NOTIFY) { - struct acpi_object_notify_handler *handler_obj; - struct acpi_object_notify_handler *parent_obj; + /* Attempt to find the handler in the handler list */ - notify_obj = obj_desc->common_notify.system_notify; - if (!notify_obj) { - status = AE_NOT_EXIST; - goto unlock_and_exit; - } - - handler_obj = ¬ify_obj->notify; - parent_obj = NULL; - while (handler_obj->handler != handler) { - if (handler_obj->next) { - parent_obj = handler_obj; - handler_obj = handler_obj->next; - } else { - break; - } + while (handler_obj && + (handler_obj->notify.handler != handler)) { + previous_handler_obj = handler_obj; + handler_obj = handler_obj->notify.next[i]; } - if (handler_obj->handler != handler) { - status = AE_BAD_PARAMETER; + if (!handler_obj) { + status = AE_NOT_EXIST; goto unlock_and_exit; } - /* - * Remove the handler. There are three possible cases. - * First, we may need to remove a non-embedded object. - * Second, we may need to remove the embedded object's - * handler data, while non-embedded objects exist. - * Finally, we may need to remove the embedded object - * entirely along with its container. - */ - if (parent_obj) { - /* Non-embedded object is being removed. */ - parent_obj->next = handler_obj->next; - ACPI_FREE(handler_obj); - } else if (notify_obj->notify.next) { - /* - * The handler matches the embedded object, but - * there are more handler objects in the list. - * Replace the embedded object's data with the - * first next object's data and remove that - * object. - */ - parent_obj = ¬ify_obj->notify; - handler_obj = notify_obj->notify.next; - *parent_obj = *handler_obj; - ACPI_FREE(handler_obj); - } else { - /* No more handler objects in the list. */ - obj_desc->common_notify.system_notify = NULL; - acpi_ut_remove_reference(notify_obj); - } - } + /* Remove the handler object from the list */ - if (handler_type & ACPI_DEVICE_NOTIFY) { - notify_obj = obj_desc->common_notify.device_notify; - if (!notify_obj) { - status = AE_NOT_EXIST; - goto unlock_and_exit; - } + if (previous_handler_obj) { /* Handler is not at the list head */ + previous_handler_obj->notify.next[i] = + handler_obj->notify.next[i]; + } else { /* Handler is at the list head */ - if (notify_obj->notify.handler != handler) { - status = AE_BAD_PARAMETER; - goto unlock_and_exit; + obj_desc->common_notify.notify_list[i] = + handler_obj->notify.next[i]; } - /* Remove the handler */ - obj_desc->common_notify.device_notify = NULL; - acpi_ut_remove_reference(notify_obj); + acpi_ut_remove_reference(handler_obj); } } - unlock_and_exit: +unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - exit: - if (ACPI_FAILURE(status)) - ACPI_EXCEPTION((AE_INFO, status, "Removing notify handler")); return_ACPI_STATUS(status); } @@ -492,7 +342,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_notify_handler) * * FUNCTION: acpi_install_exception_handler * - * PARAMETERS: Handler - Pointer to the handler function for the + * PARAMETERS: handler - Pointer to the handler function for the * event * * RETURN: Status @@ -536,8 +386,8 @@ ACPI_EXPORT_SYMBOL(acpi_install_exception_handler) * * FUNCTION: acpi_install_global_event_handler * - * PARAMETERS: Handler - Pointer to the global event handler function - * Context - Value passed to the handler on each event + * PARAMETERS: handler - Pointer to the global event handler function + * context - Value passed to the handler on each event * * RETURN: Status * @@ -586,10 +436,10 @@ ACPI_EXPORT_SYMBOL(acpi_install_global_event_handler) * * FUNCTION: acpi_install_fixed_event_handler * - * PARAMETERS: Event - Event type to enable. - * Handler - Pointer to the handler function for the + * PARAMETERS: event - Event type to enable. + * handler - Pointer to the handler function for the * event - * Context - Value passed to the handler on each GPE + * context - Value passed to the handler on each GPE * * RETURN: Status * @@ -656,8 +506,8 @@ ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler) * * FUNCTION: acpi_remove_fixed_event_handler * - * PARAMETERS: Event - Event type to disable. - * Handler - Address of the handler + * PARAMETERS: event - Event type to disable. + * handler - Address of the handler * * RETURN: Status * @@ -713,10 +563,10 @@ ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler) * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT * defined GPEs) * gpe_number - The GPE number within the GPE block - * Type - Whether this GPE should be treated as an + * type - Whether this GPE should be treated as an * edge- or level-triggered interrupt. - * Address - Address of the handler - * Context - Value passed to the handler on each GPE + * address - Address of the handler + * context - Value passed to the handler on each GPE * * RETURN: Status * @@ -823,7 +673,7 @@ ACPI_EXPORT_SYMBOL(acpi_install_gpe_handler) * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT * defined GPEs) * gpe_number - The event to remove a handler - * Address - Address of the handler + * address - Address of the handler * * RETURN: Status * @@ -849,7 +699,7 @@ acpi_remove_gpe_handler(acpi_handle gpe_device, /* Make sure all deferred tasks are completed */ - acpi_os_wait_events_complete(NULL); + acpi_os_wait_events_complete(); status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); if (ACPI_FAILURE(status)) { @@ -919,8 +769,8 @@ ACPI_EXPORT_SYMBOL(acpi_remove_gpe_handler) * * FUNCTION: acpi_acquire_global_lock * - * PARAMETERS: Timeout - How long the caller is willing to wait - * Handle - Where the handle to the lock is returned + * PARAMETERS: timeout - How long the caller is willing to wait + * handle - Where the handle to the lock is returned * (if acquired) * * RETURN: Status @@ -967,7 +817,7 @@ ACPI_EXPORT_SYMBOL(acpi_acquire_global_lock) * * FUNCTION: acpi_release_global_lock * - * PARAMETERS: Handle - Returned from acpi_acquire_global_lock + * PARAMETERS: handle - Returned from acpi_acquire_global_lock * * RETURN: Status * diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index 77cee5a5e891..35520c6eeefb 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -153,8 +153,8 @@ ACPI_EXPORT_SYMBOL(acpi_disable) * * FUNCTION: acpi_enable_event * - * PARAMETERS: Event - The fixed eventto be enabled - * Flags - Reserved + * PARAMETERS: event - The fixed eventto be enabled + * flags - Reserved * * RETURN: Status * @@ -265,7 +265,7 @@ ACPI_EXPORT_SYMBOL(acpi_disable_event) * * FUNCTION: acpi_clear_event * - * PARAMETERS: Event - The fixed event to be cleared + * PARAMETERS: event - The fixed event to be cleared * * RETURN: Status * @@ -301,7 +301,7 @@ ACPI_EXPORT_SYMBOL(acpi_clear_event) * * FUNCTION: acpi_get_event_status * - * PARAMETERS: Event - The fixed event + * PARAMETERS: event - The fixed event * event_status - Where the current status of the event will * be returned * diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 86f9b343ebd4..6affbdb4b88c 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -197,12 +197,12 @@ acpi_status acpi_setup_gpe_for_wake(acpi_handle wake_device, acpi_handle gpe_device, u32 gpe_number) { - acpi_status status = AE_BAD_PARAMETER; + acpi_status status; struct acpi_gpe_event_info *gpe_event_info; struct acpi_namespace_node *device_node; - struct acpi_gpe_notify_object *notify_object; + struct acpi_gpe_notify_info *notify; + struct acpi_gpe_notify_info *new_notify; acpi_cpu_flags flags; - u8 gpe_dispatch_mask; ACPI_FUNCTION_TRACE(acpi_setup_gpe_for_wake); @@ -216,63 +216,95 @@ acpi_setup_gpe_for_wake(acpi_handle wake_device, return_ACPI_STATUS(AE_BAD_PARAMETER); } + /* Handle root object case */ + + if (wake_device == ACPI_ROOT_OBJECT) { + device_node = acpi_gbl_root_node; + } else { + device_node = ACPI_CAST_PTR(struct acpi_namespace_node, wake_device); + } + + /* Validate WakeDevice is of type Device */ + + if (device_node->type != ACPI_TYPE_DEVICE) { + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + /* + * Allocate a new notify object up front, in case it is needed. + * Memory allocation while holding a spinlock is a big no-no + * on some hosts. + */ + new_notify = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_gpe_notify_info)); + if (!new_notify) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Ensure that we have a valid GPE number */ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { + status = AE_BAD_PARAMETER; goto unlock_and_exit; } - if (wake_device == ACPI_ROOT_OBJECT) { - goto out; - } - /* * If there is no method or handler for this GPE, then the - * wake_device will be notified whenever this GPE fires (aka - * "implicit notify") Note: The GPE is assumed to be + * wake_device will be notified whenever this GPE fires. This is + * known as an "implicit notify". Note: The GPE is assumed to be * level-triggered (for windows compatibility). */ - gpe_dispatch_mask = gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK; - if (gpe_dispatch_mask != ACPI_GPE_DISPATCH_NONE - && gpe_dispatch_mask != ACPI_GPE_DISPATCH_NOTIFY) { - goto out; - } - - /* Validate wake_device is of type Device */ - - device_node = ACPI_CAST_PTR(struct acpi_namespace_node, wake_device); - if (device_node->type != ACPI_TYPE_DEVICE) { - goto unlock_and_exit; + if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == + ACPI_GPE_DISPATCH_NONE) { + /* + * This is the first device for implicit notify on this GPE. + * Just set the flags here, and enter the NOTIFY block below. + */ + gpe_event_info->flags = + (ACPI_GPE_DISPATCH_NOTIFY | ACPI_GPE_LEVEL_TRIGGERED); } - if (gpe_dispatch_mask == ACPI_GPE_DISPATCH_NONE) { - gpe_event_info->flags = (ACPI_GPE_DISPATCH_NOTIFY | - ACPI_GPE_LEVEL_TRIGGERED); - gpe_event_info->dispatch.device.node = device_node; - gpe_event_info->dispatch.device.next = NULL; - } else { - /* There are multiple devices to notify implicitly. */ - - notify_object = ACPI_ALLOCATE_ZEROED(sizeof(*notify_object)); - if (!notify_object) { - status = AE_NO_MEMORY; - goto unlock_and_exit; + /* + * If we already have an implicit notify on this GPE, add + * this device to the notify list. + */ + if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == + ACPI_GPE_DISPATCH_NOTIFY) { + + /* Ensure that the device is not already in the list */ + + notify = gpe_event_info->dispatch.notify_list; + while (notify) { + if (notify->device_node == device_node) { + status = AE_ALREADY_EXISTS; + goto unlock_and_exit; + } + notify = notify->next; } - notify_object->node = device_node; - notify_object->next = gpe_event_info->dispatch.device.next; - gpe_event_info->dispatch.device.next = notify_object; + /* Add this device to the notify list for this GPE */ + + new_notify->device_node = device_node; + new_notify->next = gpe_event_info->dispatch.notify_list; + gpe_event_info->dispatch.notify_list = new_notify; + new_notify = NULL; } - out: + /* Mark the GPE as a possible wake event */ + gpe_event_info->flags |= ACPI_GPE_CAN_WAKE; status = AE_OK; - unlock_and_exit: +unlock_and_exit: acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + + /* Delete the notify object if it was not used above */ + + if (new_notify) { + ACPI_FREE(new_notify); + } return_ACPI_STATUS(status); } ACPI_EXPORT_SYMBOL(acpi_setup_gpe_for_wake) @@ -283,7 +315,7 @@ ACPI_EXPORT_SYMBOL(acpi_setup_gpe_for_wake) * * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 * gpe_number - GPE level within the GPE block - * Action - Enable or Disable + * action - Enable or Disable * * RETURN: Status * @@ -508,7 +540,7 @@ ACPI_EXPORT_SYMBOL(acpi_enable_all_runtime_gpes) * FUNCTION: acpi_install_gpe_block * * PARAMETERS: gpe_device - Handle to the parent GPE Block Device - * gpe_block_address - Address and space_iD + * gpe_block_address - Address and space_ID * register_count - Number of GPE register pairs in the block * interrupt_number - H/W interrupt for the block * @@ -653,7 +685,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block) * * FUNCTION: acpi_get_gpe_device * - * PARAMETERS: Index - System GPE index (0-current_gpe_count) + * PARAMETERS: index - System GPE index (0-current_gpe_count) * gpe_device - Where the parent GPE Device is returned * * RETURN: Status diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c index 6019208cd4b6..96b412d03950 100644 --- a/drivers/acpi/acpica/evxfregn.c +++ b/drivers/acpi/acpica/evxfregn.c @@ -55,11 +55,11 @@ ACPI_MODULE_NAME("evxfregn") * * FUNCTION: acpi_install_address_space_handler * - * PARAMETERS: Device - Handle for the device + * PARAMETERS: device - Handle for the device * space_id - The address space ID - * Handler - Address of the handler - * Setup - Address of the setup function - * Context - Value passed to the handler on each access + * handler - Address of the handler + * setup - Address of the setup function + * context - Value passed to the handler on each access * * RETURN: Status * @@ -112,16 +112,16 @@ acpi_install_address_space_handler(acpi_handle device, } /* - * For the default space_iDs, (the IDs for which there are default region handlers + * For the default space_IDs, (the IDs for which there are default region handlers * installed) Only execute the _REG methods if the global initialization _REG * methods have already been run (via acpi_initialize_objects). In other words, - * we will defer the execution of the _REG methods for these space_iDs until + * we will defer the execution of the _REG methods for these space_IDs until * execution of acpi_initialize_objects. This is done because we need the handlers * for the default spaces (mem/io/pci/table) to be installed before we can run * any control methods (or _REG methods). There is known BIOS code that depends * on this. * - * For all other space_iDs, we can safely execute the _REG methods immediately. + * For all other space_IDs, we can safely execute the _REG methods immediately. * This means that for IDs like embedded_controller, this function should be called * only after acpi_enable_subsystem has been called. */ @@ -157,9 +157,9 @@ ACPI_EXPORT_SYMBOL(acpi_install_address_space_handler) * * FUNCTION: acpi_remove_address_space_handler * - * PARAMETERS: Device - Handle for the device + * PARAMETERS: device - Handle for the device * space_id - The address space ID - * Handler - Address of the handler + * handler - Address of the handler * * RETURN: Status * diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index c86d44e41bc8..16219bde48da 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -66,7 +66,7 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, * * FUNCTION: acpi_ex_add_table * - * PARAMETERS: Table - Pointer to raw table + * PARAMETERS: table - Pointer to raw table * parent_node - Where to load the table (scope) * ddb_handle - Where to return the table handle. * @@ -276,8 +276,8 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ex_region_read * * PARAMETERS: obj_desc - Region descriptor - * Length - Number of bytes to read - * Buffer - Pointer to where to put the data + * length - Number of bytes to read + * buffer - Pointer to where to put the data * * RETURN: Status * @@ -318,7 +318,7 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer) * * PARAMETERS: obj_desc - Region or Buffer/Field where the table will be * obtained - * Target - Where a handle to the table will be stored + * target - Where a handle to the table will be stored * walk_state - Current state * * RETURN: Status diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index e385436bd424..bfb062e4c4b4 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -60,7 +60,7 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length); * PARAMETERS: obj_desc - Object to be converted. Must be an * Integer, Buffer, or String * result_desc - Where the new Integer object is returned - * Flags - Used for string conversion + * flags - Used for string conversion * * RETURN: Status * @@ -272,9 +272,9 @@ acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc, * * FUNCTION: acpi_ex_convert_to_ascii * - * PARAMETERS: Integer - Value to be converted - * Base - ACPI_STRING_DECIMAL or ACPI_STRING_HEX - * String - Where the string is returned + * PARAMETERS: integer - Value to be converted + * base - ACPI_STRING_DECIMAL or ACPI_STRING_HEX + * string - Where the string is returned * data_width - Size of data item to be converted, in bytes * * RETURN: Actual string length @@ -385,7 +385,7 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 data_width) * PARAMETERS: obj_desc - Object to be converted. Must be an * Integer, Buffer, or String * result_desc - Where the string object is returned - * Type - String flags (base and conversion type) + * type - String flags (base and conversion type) * * RETURN: Status * diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 3f5bc998c1cb..691d4763102c 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -369,7 +369,7 @@ acpi_ex_create_region(u8 * aml_start, * * DESCRIPTION: Create a new processor object and populate the fields * - * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) + * Processor (Name[0], cpu_ID[1], pblock_addr[2], pblock_length[3]) * ******************************************************************************/ diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index e211e9c19215..bc5b9a6a1316 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -54,8 +54,8 @@ ACPI_MODULE_NAME("exdebug") * FUNCTION: acpi_ex_do_debug_object * * PARAMETERS: source_desc - Object to be output to "Debug Object" - * Level - Indentation level (used for packages) - * Index - Current package element, zero if not pkg + * level - Indentation level (used for packages) + * index - Current package element, zero if not pkg * * RETURN: None * diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index 2a6ac0a3bc1e..213c081776fc 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -109,9 +109,9 @@ static struct acpi_exdump_info acpi_ex_dump_package[5] = { static struct acpi_exdump_info acpi_ex_dump_device[4] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_device), NULL}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.handler), "Handler"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.system_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.notify_list[0]), "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.device_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(device.notify_list[1]), "Device Notify"} }; @@ -158,9 +158,9 @@ static struct acpi_exdump_info acpi_ex_dump_power[5] = { "System Level"}, {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(power_resource.resource_order), "Resource Order"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.system_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.notify_list[0]), "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.device_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(power_resource.notify_list[1]), "Device Notify"} }; @@ -169,18 +169,18 @@ static struct acpi_exdump_info acpi_ex_dump_processor[7] = { {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.proc_id), "Processor ID"}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(processor.length), "Length"}, {ACPI_EXD_ADDRESS, ACPI_EXD_OFFSET(processor.address), "Address"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.system_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.notify_list[0]), "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.device_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.notify_list[1]), "Device Notify"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(processor.handler), "Handler"} }; static struct acpi_exdump_info acpi_ex_dump_thermal[4] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_thermal), NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.system_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.notify_list[0]), "System Notify"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.device_notify), + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.notify_list[1]), "Device Notify"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(thermal_zone.handler), "Handler"} }; @@ -241,10 +241,15 @@ static struct acpi_exdump_info acpi_ex_dump_address_handler[6] = { {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(address_space.context), "Context"} }; -static struct acpi_exdump_info acpi_ex_dump_notify[3] = { +static struct acpi_exdump_info acpi_ex_dump_notify[7] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_notify), NULL}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.node), "Node"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"} + {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(notify.handler_type), "Handler Type"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.handler), "Handler"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.context), "Context"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.next[0]), + "Next System Notify"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(notify.next[1]), "Next Device Notify"} }; /* Miscellaneous tables */ @@ -318,7 +323,7 @@ static struct acpi_exdump_info *acpi_ex_dump_info[] = { * FUNCTION: acpi_ex_dump_object * * PARAMETERS: obj_desc - Descriptor to dump - * Info - Info table corresponding to this object + * info - Info table corresponding to this object * type * * RETURN: None @@ -444,7 +449,7 @@ acpi_ex_dump_object(union acpi_operand_object *obj_desc, * FUNCTION: acpi_ex_dump_operand * * PARAMETERS: *obj_desc - Pointer to entry to be dumped - * Depth - Current nesting depth + * depth - Current nesting depth * * RETURN: None * @@ -726,7 +731,7 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth) * * FUNCTION: acpi_ex_dump_operands * - * PARAMETERS: Operands - A list of Operand objects + * PARAMETERS: operands - A list of Operand objects * opcode_name - AML opcode name * num_operands - Operand count for this opcode * @@ -769,8 +774,8 @@ acpi_ex_dump_operands(union acpi_operand_object **operands, * * FUNCTION: acpi_ex_out* functions * - * PARAMETERS: Title - Descriptive text - * Value - Value to be displayed + * PARAMETERS: title - Descriptive text + * value - Value to be displayed * * DESCRIPTION: Object dump output formatting functions. These functions * reduce the number of format strings required and keeps them @@ -792,8 +797,8 @@ static void acpi_ex_out_pointer(char *title, void *value) * * FUNCTION: acpi_ex_dump_namespace_node * - * PARAMETERS: Node - Descriptor to dump - * Flags - Force display if TRUE + * PARAMETERS: node - Descriptor to dump + * flags - Force display if TRUE * * DESCRIPTION: Dumps the members of the given.Node * @@ -825,7 +830,7 @@ void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags) * * FUNCTION: acpi_ex_dump_reference_obj * - * PARAMETERS: Object - Descriptor to dump + * PARAMETERS: object - Descriptor to dump * * DESCRIPTION: Dumps a reference object * @@ -882,8 +887,8 @@ static void acpi_ex_dump_reference_obj(union acpi_operand_object *obj_desc) * FUNCTION: acpi_ex_dump_package_obj * * PARAMETERS: obj_desc - Descriptor to dump - * Level - Indentation Level - * Index - Package index for this object + * level - Indentation Level + * index - Package index for this object * * DESCRIPTION: Dumps the elements of the package * @@ -926,9 +931,7 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc, case ACPI_TYPE_STRING: acpi_os_printf("[String] Value: "); - for (i = 0; i < obj_desc->string.length; i++) { - acpi_os_printf("%c", obj_desc->string.pointer[i]); - } + acpi_ut_print_string(obj_desc->string.pointer, ACPI_UINT8_MAX); acpi_os_printf("\n"); break; @@ -977,7 +980,7 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc, * FUNCTION: acpi_ex_dump_object_descriptor * * PARAMETERS: obj_desc - Descriptor to dump - * Flags - Force display if TRUE + * flags - Force display if TRUE * * DESCRIPTION: Dumps the members of the object descriptor given. * diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index 149de45fdadd..a7784152ed30 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -222,9 +222,9 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, * PARAMETERS: obj_desc - Field to be read * field_datum_byte_offset - Byte offset of this datum within the * parent field - * Value - Where to store value (must at least + * value - Where to store value (must at least * 64 bits) - * Function - Read or Write flag plus other region- + * function - Read or Write flag plus other region- * dependent flags * * RETURN: Status @@ -315,7 +315,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, * FUNCTION: acpi_ex_register_overflow * * PARAMETERS: obj_desc - Register(Field) to be written - * Value - Value to be stored + * value - Value to be stored * * RETURN: TRUE if value overflows the field, FALSE otherwise * @@ -365,7 +365,7 @@ acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value) * PARAMETERS: obj_desc - Field to be read * field_datum_byte_offset - Byte offset of this datum within the * parent field - * Value - Where to store value (must be 64 bits) + * value - Where to store value (must be 64 bits) * read_write - Read or Write flag * * RETURN: Status @@ -574,7 +574,7 @@ acpi_ex_field_datum_io(union acpi_operand_object *obj_desc, * FUNCTION: acpi_ex_write_with_update_rule * * PARAMETERS: obj_desc - Field to be written - * Mask - bitmask within field datum + * mask - bitmask within field datum * field_value - Value to write * field_datum_byte_offset - Offset of datum within field * @@ -678,7 +678,7 @@ acpi_ex_write_with_update_rule(union acpi_operand_object *obj_desc, * FUNCTION: acpi_ex_extract_from_field * * PARAMETERS: obj_desc - Field to be read - * Buffer - Where to store the field data + * buffer - Where to store the field data * buffer_length - Length of Buffer * * RETURN: Status @@ -823,7 +823,7 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, * FUNCTION: acpi_ex_insert_into_field * * PARAMETERS: obj_desc - Field to be written - * Buffer - Data to be written + * buffer - Data to be written * buffer_length - Length of Buffer * * RETURN: Status diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index 0a0893310348..271c0c57ea10 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -144,8 +144,8 @@ acpi_ex_get_object_reference(union acpi_operand_object *obj_desc, * * FUNCTION: acpi_ex_concat_template * - * PARAMETERS: Operand0 - First source object - * Operand1 - Second source object + * PARAMETERS: operand0 - First source object + * operand1 - Second source object * actual_return_desc - Where to place the return object * walk_state - Current walk state * @@ -229,8 +229,8 @@ acpi_ex_concat_template(union acpi_operand_object *operand0, * * FUNCTION: acpi_ex_do_concatenate * - * PARAMETERS: Operand0 - First source object - * Operand1 - Second source object + * PARAMETERS: operand0 - First source object + * operand1 - Second source object * actual_return_desc - Where to place the return object * walk_state - Current walk state * @@ -397,9 +397,9 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, * * FUNCTION: acpi_ex_do_math_op * - * PARAMETERS: Opcode - AML opcode - * Integer0 - Integer operand #0 - * Integer1 - Integer operand #1 + * PARAMETERS: opcode - AML opcode + * integer0 - Integer operand #0 + * integer1 - Integer operand #1 * * RETURN: Integer result of the operation * @@ -479,9 +479,9 @@ u64 acpi_ex_do_math_op(u16 opcode, u64 integer0, u64 integer1) * * FUNCTION: acpi_ex_do_logical_numeric_op * - * PARAMETERS: Opcode - AML opcode - * Integer0 - Integer operand #0 - * Integer1 - Integer operand #1 + * PARAMETERS: opcode - AML opcode + * integer0 - Integer operand #0 + * integer1 - Integer operand #1 * logical_result - TRUE/FALSE result of the operation * * RETURN: Status @@ -534,9 +534,9 @@ acpi_ex_do_logical_numeric_op(u16 opcode, * * FUNCTION: acpi_ex_do_logical_op * - * PARAMETERS: Opcode - AML opcode - * Operand0 - operand #0 - * Operand1 - operand #1 + * PARAMETERS: opcode - AML opcode + * operand0 - operand #0 + * operand1 - operand #1 * logical_result - TRUE/FALSE result of the operation * * RETURN: Status diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index 60933e9dc3c0..bcceda5be9e3 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -102,7 +102,7 @@ void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) * FUNCTION: acpi_ex_link_mutex * * PARAMETERS: obj_desc - The mutex to be linked - * Thread - Current executing thread object + * thread - Current executing thread object * * RETURN: None * @@ -138,7 +138,7 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc, * * FUNCTION: acpi_ex_acquire_mutex_object * - * PARAMETERS: Timeout - Timeout in milliseconds + * PARAMETERS: timeout - Timeout in milliseconds * obj_desc - Mutex object * thread_id - Current thread state * @@ -443,7 +443,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, * * FUNCTION: acpi_ex_release_all_mutexes * - * PARAMETERS: Thread - Current executing thread object + * PARAMETERS: thread - Current executing thread object * * RETURN: Status * diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 30157f5a12d7..81eca60d2748 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -391,12 +391,12 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, * * FUNCTION: acpi_ex_prep_field_value * - * PARAMETERS: Info - Contains all field creation info + * PARAMETERS: info - Contains all field creation info * * RETURN: Status * - * DESCRIPTION: Construct a union acpi_operand_object of type def_field and - * connect it to the parent Node. + * DESCRIPTION: Construct an object of type union acpi_operand_object with a + * subtype of def_field and connect it to the parent Node. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 12d51df6d3bf..1f1ce0c3d2f8 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -53,10 +53,10 @@ ACPI_MODULE_NAME("exregion") * * FUNCTION: acpi_ex_system_memory_space_handler * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write + * PARAMETERS: function - Read or Write operation + * address - Where in the space to read or write * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value + * value - Pointer to in or out value * handler_context - Pointer to Handler's context * region_context - Pointer to context specific to the * accessed region @@ -270,10 +270,10 @@ acpi_ex_system_memory_space_handler(u32 function, * * FUNCTION: acpi_ex_system_io_space_handler * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write + * PARAMETERS: function - Read or Write operation + * address - Where in the space to read or write * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value + * value - Pointer to in or out value * handler_context - Pointer to Handler's context * region_context - Pointer to context specific to the * accessed region @@ -329,10 +329,10 @@ acpi_ex_system_io_space_handler(u32 function, * * FUNCTION: acpi_ex_pci_config_space_handler * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write + * PARAMETERS: function - Read or Write operation + * address - Where in the space to read or write * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value + * value - Pointer to in or out value * handler_context - Pointer to Handler's context * region_context - Pointer to context specific to the * accessed region @@ -365,7 +365,7 @@ acpi_ex_pci_config_space_handler(u32 function, * pci_function is the PCI device function number * pci_register is the Config space register range 0-255 bytes * - * Value - input value for write, output address for read + * value - input value for write, output address for read * */ pci_id = (struct acpi_pci_id *)region_context; @@ -402,10 +402,10 @@ acpi_ex_pci_config_space_handler(u32 function, * * FUNCTION: acpi_ex_cmos_space_handler * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write + * PARAMETERS: function - Read or Write operation + * address - Where in the space to read or write * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value + * value - Pointer to in or out value * handler_context - Pointer to Handler's context * region_context - Pointer to context specific to the * accessed region @@ -434,10 +434,10 @@ acpi_ex_cmos_space_handler(u32 function, * * FUNCTION: acpi_ex_pci_bar_space_handler * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write + * PARAMETERS: function - Read or Write operation + * address - Where in the space to read or write * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value + * value - Pointer to in or out value * handler_context - Pointer to Handler's context * region_context - Pointer to context specific to the * accessed region @@ -466,10 +466,10 @@ acpi_ex_pci_bar_space_handler(u32 function, * * FUNCTION: acpi_ex_data_table_space_handler * - * PARAMETERS: Function - Read or Write operation - * Address - Where in the space to read or write + * PARAMETERS: function - Read or Write operation + * address - Where in the space to read or write * bit_width - Field width in bits (8, 16, or 32) - * Value - Pointer to in or out value + * value - Pointer to in or out value * handler_context - Pointer to Handler's context * region_context - Pointer to context specific to the * accessed region diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index 6e335dc34528..bbf40ac27585 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -147,7 +147,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, stack_desc = *stack_ptr; - /* This is a union acpi_operand_object */ + /* This is an object of type union acpi_operand_object */ switch (stack_desc->common.type) { case ACPI_TYPE_LOCAL_REFERENCE: @@ -321,7 +321,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, * FUNCTION: acpi_ex_resolve_multiple * * PARAMETERS: walk_state - Current state (contains AML opcode) - * Operand - Starting point for resolution + * operand - Starting point for resolution * return_type - Where the object type is returned * return_desc - Where the resolved object is returned * diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index a67b1d925ddd..f232fbabdea8 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -113,7 +113,7 @@ acpi_ex_check_object_type(acpi_object_type type_needed, * * FUNCTION: acpi_ex_resolve_operands * - * PARAMETERS: Opcode - Opcode being interpreted + * PARAMETERS: opcode - Opcode being interpreted * stack_ptr - Pointer to the operand stack to be * resolved * walk_state - Current state @@ -307,7 +307,7 @@ acpi_ex_resolve_operands(u16 opcode, case ARGI_DEVICE_REF: case ARGI_TARGETREF: /* Allows implicit conversion rules before store */ case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */ - case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */ + case ARGI_SIMPLE_TARGET: /* Name, Local, or arg - no implicit conversion */ /* * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE @@ -410,7 +410,7 @@ acpi_ex_resolve_operands(u16 opcode, /* * Need an operand of type ACPI_TYPE_INTEGER, * But we can implicitly convert from a STRING or BUFFER - * Aka - "Implicit Source Operand Conversion" + * aka - "Implicit Source Operand Conversion" */ status = acpi_ex_convert_to_integer(obj_desc, stack_ptr, 16); @@ -437,7 +437,7 @@ acpi_ex_resolve_operands(u16 opcode, /* * Need an operand of type ACPI_TYPE_BUFFER, * But we can implicitly convert from a STRING or INTEGER - * Aka - "Implicit Source Operand Conversion" + * aka - "Implicit Source Operand Conversion" */ status = acpi_ex_convert_to_buffer(obj_desc, stack_ptr); if (ACPI_FAILURE(status)) { @@ -463,7 +463,7 @@ acpi_ex_resolve_operands(u16 opcode, /* * Need an operand of type ACPI_TYPE_STRING, * But we can implicitly convert from a BUFFER or INTEGER - * Aka - "Implicit Source Operand Conversion" + * aka - "Implicit Source Operand Conversion" */ status = acpi_ex_convert_to_string(obj_desc, stack_ptr, ACPI_IMPLICIT_CONVERT_HEX); diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c index c6cf843cc4c9..5fffe7ab5ece 100644 --- a/drivers/acpi/acpica/exstore.c +++ b/drivers/acpi/acpica/exstore.c @@ -62,8 +62,8 @@ acpi_ex_store_object_to_index(union acpi_operand_object *val_desc, * FUNCTION: acpi_ex_store * * PARAMETERS: *source_desc - Value to be stored - * *dest_desc - Where to store it. Must be an NS node - * or a union acpi_operand_object of type + * *dest_desc - Where to store it. Must be an NS node + * or union acpi_operand_object of type * Reference; * walk_state - Current walk state * @@ -361,7 +361,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc, * FUNCTION: acpi_ex_store_object_to_node * * PARAMETERS: source_desc - Value to be stored - * Node - Named object to receive the value + * node - Named object to receive the value * walk_state - Current walk state * implicit_conversion - Perform implicit conversion (yes/no) * diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index 65a45d8335c8..53c248473547 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -110,7 +110,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, * NOTE: ACPI versions up to 3.0 specified that the buffer must be * truncated if the string is smaller than the buffer. However, "other" * implementations of ACPI never did this and thus became the defacto - * standard. ACPI 3.0_a changes this behavior such that the buffer + * standard. ACPI 3.0A changes this behavior such that the buffer * is no longer truncated. */ diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index 191a12945226..b760641e2fc6 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c @@ -53,8 +53,8 @@ ACPI_MODULE_NAME("exsystem") * * FUNCTION: acpi_ex_system_wait_semaphore * - * PARAMETERS: Semaphore - Semaphore to wait on - * Timeout - Max time to wait + * PARAMETERS: semaphore - Semaphore to wait on + * timeout - Max time to wait * * RETURN: Status * @@ -98,8 +98,8 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) * * FUNCTION: acpi_ex_system_wait_mutex * - * PARAMETERS: Mutex - Mutex to wait on - * Timeout - Max time to wait + * PARAMETERS: mutex - Mutex to wait on + * timeout - Max time to wait * * RETURN: Status * diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index eb6798ba8b59..d1ab7917eed7 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -109,7 +109,7 @@ void acpi_ex_enter_interpreter(void) * * DESCRIPTION: Reacquire the interpreter execution region from within the * interpreter code. Failure to enter the interpreter region is a - * fatal system error. Used in conjunction with + * fatal system error. Used in conjunction with * relinquish_interpreter * ******************************************************************************/ @@ -317,8 +317,8 @@ void acpi_ex_release_global_lock(u32 field_flags) * * FUNCTION: acpi_ex_digits_needed * - * PARAMETERS: Value - Value to be represented - * Base - Base of representation + * PARAMETERS: value - Value to be represented + * base - Base of representation * * RETURN: The number of digits. * @@ -408,7 +408,7 @@ void acpi_ex_eisa_id_to_string(char *out_string, u64 compressed_id) * PARAMETERS: out_string - Where to put the converted string. At least * 21 bytes are needed to hold the largest * possible 64-bit integer. - * Value - Value to be converted + * value - Value to be converted * * RETURN: None, string * @@ -443,7 +443,7 @@ void acpi_ex_integer_to_string(char *out_string, u64 value) * * RETURN: TRUE if valid/supported ID. * - * DESCRIPTION: Validate an operation region space_iD. + * DESCRIPTION: Validate an operation region space_ID. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c index d0b9ed5df97e..a1e71d0ef57b 100644 --- a/drivers/acpi/acpica/hwacpi.c +++ b/drivers/acpi/acpica/hwacpi.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("hwacpi") * * FUNCTION: acpi_hw_set_mode * - * PARAMETERS: Mode - SYS_MODE_ACPI or SYS_MODE_LEGACY + * PARAMETERS: mode - SYS_MODE_ACPI or SYS_MODE_LEGACY * * RETURN: Status * diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 29e859293edd..48518dac5342 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -90,7 +90,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) * FUNCTION: acpi_hw_extended_sleep * * PARAMETERS: sleep_state - Which sleep state to enter - * Flags - ACPI_EXECUTE_GTS to run optional method + * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -117,7 +117,8 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) /* Clear wake status (WAK_STS) */ - status = acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); + status = + acpi_write((u64)ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -147,7 +148,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & ACPI_X_SLEEP_TYPE_MASK); - status = acpi_write((sleep_type_value | ACPI_X_SLEEP_ENABLE), + status = acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE), &acpi_gbl_FADT.sleep_control); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -171,7 +172,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_extended_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited - * Flags - ACPI_EXECUTE_BFS to run optional method + * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -195,7 +196,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & ACPI_X_SLEEP_TYPE_MASK); - (void)acpi_write((sleep_type_value | ACPI_X_SLEEP_ENABLE), + (void)acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE), &acpi_gbl_FADT.sleep_control); } @@ -212,7 +213,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_extended_wake * * PARAMETERS: sleep_state - Which sleep state we just exited - * Flags - Reserved, set to zero + * flags - Reserved, set to zero * * RETURN: Status * @@ -239,7 +240,7 @@ acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags) * and use it to determine whether the system is rebooting or * resuming. Clear WAK_STS for compatibility. */ - (void)acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); + (void)acpi_write((u64)ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); acpi_gbl_system_awake_and_running = TRUE; acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING); diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index 6b6c83b87b52..4af6d20ef077 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -69,9 +69,9 @@ acpi_hw_write_multiple(u32 value, * * FUNCTION: acpi_hw_validate_register * - * PARAMETERS: Reg - GAS register structure + * PARAMETERS: reg - GAS register structure * max_bit_width - Max bit_width supported (32 or 64) - * Address - Pointer to where the gas->address + * address - Pointer to where the gas->address * is returned * * RETURN: Status @@ -102,7 +102,7 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, return (AE_BAD_ADDRESS); } - /* Validate the space_iD */ + /* Validate the space_ID */ if ((reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) && (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO)) { @@ -137,8 +137,8 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, * * FUNCTION: acpi_hw_read * - * PARAMETERS: Value - Where the value is returned - * Reg - GAS register structure + * PARAMETERS: value - Where the value is returned + * reg - GAS register structure * * RETURN: Status * @@ -148,7 +148,7 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, * * LIMITATIONS: <These limitations also apply to acpi_hw_write> * bit_width must be exactly 8, 16, or 32. - * space_iD must be system_memory or system_iO. + * space_ID must be system_memory or system_IO. * bit_offset and access_width are currently ignored, as there has * not been a need to implement these. * @@ -200,8 +200,8 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) * * FUNCTION: acpi_hw_write * - * PARAMETERS: Value - Value to be written - * Reg - GAS register structure + * PARAMETERS: value - Value to be written + * reg - GAS register structure * * RETURN: Status * @@ -439,7 +439,7 @@ acpi_hw_register_read(u32 register_id, u32 * return_value) * FUNCTION: acpi_hw_register_write * * PARAMETERS: register_id - ACPI Register ID - * Value - The value to write + * value - The value to write * * RETURN: Status * @@ -571,7 +571,7 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value) * * FUNCTION: acpi_hw_read_multiple * - * PARAMETERS: Value - Where the register value is returned + * PARAMETERS: value - Where the register value is returned * register_a - First ACPI register (required) * register_b - Second ACPI register (optional) * @@ -624,7 +624,7 @@ acpi_hw_read_multiple(u32 *value, * * FUNCTION: acpi_hw_write_multiple * - * PARAMETERS: Value - The value to write + * PARAMETERS: value - The value to write * register_a - First ACPI register (required) * register_b - Second ACPI register (optional) * diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index 615996a36bed..9960fe9ef533 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -56,7 +56,7 @@ ACPI_MODULE_NAME("hwsleep") * FUNCTION: acpi_hw_legacy_sleep * * PARAMETERS: sleep_state - Which sleep state to enter - * Flags - ACPI_EXECUTE_GTS to run optional method + * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -214,7 +214,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_legacy_wake_prep * * PARAMETERS: sleep_state - Which sleep state we just exited - * Flags - ACPI_EXECUTE_BFS to run optional method + * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * @@ -288,7 +288,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) * FUNCTION: acpi_hw_legacy_wake * * PARAMETERS: sleep_state - Which sleep state we just exited - * Flags - Reserved, set to zero + * flags - Reserved, set to zero * * RETURN: Status * diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c index f1b2c3b94cac..b6411f16832f 100644 --- a/drivers/acpi/acpica/hwtimer.c +++ b/drivers/acpi/acpica/hwtimer.c @@ -54,7 +54,7 @@ ACPI_MODULE_NAME("hwtimer") * * FUNCTION: acpi_get_timer_resolution * - * PARAMETERS: Resolution - Where the resolution is returned + * PARAMETERS: resolution - Where the resolution is returned * * RETURN: Status and timer resolution * @@ -84,7 +84,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution) * * FUNCTION: acpi_get_timer * - * PARAMETERS: Ticks - Where the timer value is returned + * PARAMETERS: ticks - Where the timer value is returned * * RETURN: Status and current timer value (ticks) * diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c index 6e5c43a60bb7..c99d546b217f 100644 --- a/drivers/acpi/acpica/hwvalid.c +++ b/drivers/acpi/acpica/hwvalid.c @@ -58,7 +58,7 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width); * * The table is used to implement the Microsoft port access rules that * first appeared in Windows XP. Some ports are always illegal, and some - * ports are only illegal if the BIOS calls _OSI with a win_xP string or + * ports are only illegal if the BIOS calls _OSI with a win_XP string or * later (meaning that the BIOS itelf is post-XP.) * * This provides ACPICA with the desired port protections and @@ -66,7 +66,7 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width); * * Description of port entries: * DMA: DMA controller - * PIC0: Programmable Interrupt Controller (8259_a) + * PIC0: Programmable Interrupt Controller (8259A) * PIT1: System Timer 1 * PIT2: System Timer 2 failsafe * RTC: Real-time clock diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index a716fede4f25..7bfd649d1996 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -104,8 +104,8 @@ ACPI_EXPORT_SYMBOL(acpi_reset) * * FUNCTION: acpi_read * - * PARAMETERS: Value - Where the value is returned - * Reg - GAS register structure + * PARAMETERS: value - Where the value is returned + * reg - GAS register structure * * RETURN: Status * @@ -113,7 +113,7 @@ ACPI_EXPORT_SYMBOL(acpi_reset) * * LIMITATIONS: <These limitations also apply to acpi_write> * bit_width must be exactly 8, 16, 32, or 64. - * space_iD must be system_memory or system_iO. + * space_ID must be system_memory or system_IO. * bit_offset and access_width are currently ignored, as there has * not been a need to implement these. * @@ -196,8 +196,8 @@ ACPI_EXPORT_SYMBOL(acpi_read) * * FUNCTION: acpi_write * - * PARAMETERS: Value - Value to be written - * Reg - GAS register structure + * PARAMETERS: value - Value to be written + * reg - GAS register structure * * RETURN: Status * @@ -441,7 +441,7 @@ ACPI_EXPORT_SYMBOL(acpi_write_bit_register) * *sleep_type_a - Where SLP_TYPa is returned * *sleep_type_b - Where SLP_TYPb is returned * - * RETURN: Status - ACPI status + * RETURN: status - ACPI status * * DESCRIPTION: Obtain the SLP_TYPa and SLP_TYPb values for the requested sleep * state. diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 762d059bb508..f8684bfe7907 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -205,7 +205,7 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) ACPI_FLUSH_CPU_CACHE(); status = acpi_hw_write_port(acpi_gbl_FADT.smi_command, - (u32)acpi_gbl_FADT.S4bios_request, 8); + (u32)acpi_gbl_FADT.s4_bios_request, 8); do { acpi_os_stall(1000); @@ -349,7 +349,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) * FUNCTION: acpi_enter_sleep_state * * PARAMETERS: sleep_state - Which sleep state to enter - * Flags - ACPI_EXECUTE_GTS to run optional method + * flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * @@ -382,7 +382,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state) * FUNCTION: acpi_leave_sleep_state_prep * * PARAMETERS: sleep_state - Which sleep state we are exiting - * Flags - ACPI_EXECUTE_BFS to run optional method + * flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 61623f3f6826..23db53ce2293 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -157,7 +157,7 @@ acpi_status acpi_ns_root_initialize(void) #if defined (ACPI_ASL_COMPILER) - /* Save the parameter count for the i_aSL compiler */ + /* Save the parameter count for the iASL compiler */ new_node->value = obj_desc->method.param_count; #else @@ -258,11 +258,11 @@ acpi_status acpi_ns_root_initialize(void) * FUNCTION: acpi_ns_lookup * * PARAMETERS: scope_info - Current scope info block - * Pathname - Search pathname, in internal format + * pathname - Search pathname, in internal format * (as represented in the AML stream) - * Type - Type associated with name + * type - Type associated with name * interpreter_mode - IMODE_LOAD_PASS2 => add name if not found - * Flags - Flags describing the search restrictions + * flags - Flags describing the search restrictions * walk_state - Current state of the walk * return_node - Where the Node is placed (if found * or created successfully) diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index 7c3d3ceb98b3..ac389e5bb594 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -52,7 +52,7 @@ ACPI_MODULE_NAME("nsalloc") * * FUNCTION: acpi_ns_create_node * - * PARAMETERS: Name - Name of the new node (4 char ACPI name) + * PARAMETERS: name - Name of the new node (4 char ACPI name) * * RETURN: New namespace node (Null on failure) * @@ -92,7 +92,7 @@ struct acpi_namespace_node *acpi_ns_create_node(u32 name) * * FUNCTION: acpi_ns_delete_node * - * PARAMETERS: Node - Node to be deleted + * PARAMETERS: node - Node to be deleted * * RETURN: None * @@ -143,7 +143,7 @@ void acpi_ns_delete_node(struct acpi_namespace_node *node) * * FUNCTION: acpi_ns_remove_node * - * PARAMETERS: Node - Node to be removed/deleted + * PARAMETERS: node - Node to be removed/deleted * * RETURN: None * @@ -196,8 +196,8 @@ void acpi_ns_remove_node(struct acpi_namespace_node *node) * * PARAMETERS: walk_state - Current state of the walk * parent_node - The parent of the new Node - * Node - The new Node to install - * Type - ACPI object type of the new Node + * node - The new Node to install + * type - ACPI object type of the new Node * * RETURN: None * diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 3f7f3f6e7dd5..7ee4e6aeb0a2 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -63,7 +63,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle, * FUNCTION: acpi_ns_print_pathname * * PARAMETERS: num_segments - Number of ACPI name segments - * Pathname - The compressed (internal) path + * pathname - The compressed (internal) path * * RETURN: None * @@ -107,10 +107,10 @@ void acpi_ns_print_pathname(u32 num_segments, char *pathname) * * FUNCTION: acpi_ns_dump_pathname * - * PARAMETERS: Handle - Object - * Msg - Prefix message - * Level - Desired debug level - * Component - Caller's component ID + * PARAMETERS: handle - Object + * msg - Prefix message + * level - Desired debug level + * component - Caller's component ID * * RETURN: None * @@ -143,8 +143,8 @@ acpi_ns_dump_pathname(acpi_handle handle, char *msg, u32 level, u32 component) * FUNCTION: acpi_ns_dump_one_object * * PARAMETERS: obj_handle - Node to be dumped - * Level - Nesting level of the handle - * Context - Passed into walk_namespace + * level - Nesting level of the handle + * context - Passed into walk_namespace * return_value - Not used * * RETURN: Status @@ -615,7 +615,7 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, * * FUNCTION: acpi_ns_dump_objects * - * PARAMETERS: Type - Object type to be dumped + * PARAMETERS: type - Object type to be dumped * display_type - 0 or ACPI_DISPLAY_SUMMARY * max_depth - Maximum depth of dump. Use ACPI_UINT32_MAX * for an effectively unlimited depth. @@ -671,7 +671,7 @@ acpi_ns_dump_objects(acpi_object_type type, * * FUNCTION: acpi_ns_dump_entry * - * PARAMETERS: Handle - Node to be dumped + * PARAMETERS: handle - Node to be dumped * debug_level - Output level * * RETURN: None diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c index 3b5acb0eb406..944d4c8d9438 100644 --- a/drivers/acpi/acpica/nsdumpdv.c +++ b/drivers/acpi/acpica/nsdumpdv.c @@ -55,9 +55,9 @@ ACPI_MODULE_NAME("nsdumpdv") * * FUNCTION: acpi_ns_dump_one_device * - * PARAMETERS: Handle - Node to be dumped - * Level - Nesting level of the handle - * Context - Passed into walk_namespace + * PARAMETERS: handle - Node to be dumped + * level - Nesting level of the handle + * context - Passed into walk_namespace * return_value - Not used * * RETURN: Status diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index f375cb82e321..69074be498e8 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -59,11 +59,11 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, * * FUNCTION: acpi_ns_evaluate * - * PARAMETERS: Info - Evaluation info block, contains: + * PARAMETERS: info - Evaluation info block, contains: * prefix_node - Prefix or Method/Object Node to execute - * Pathname - Name of method to execute, If NULL, the + * pathname - Name of method to execute, If NULL, the * Node is the object to execute - * Parameters - List of parameters to pass to the method, + * parameters - List of parameters to pass to the method, * terminated by NULL. Params itself may be * NULL if no parameters are being passed. * return_object - Where to put method's return value (if @@ -71,7 +71,7 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, * parameter_type - Type of Parameter list * return_object - Where to put method's return value (if * any). If NULL, no value is returned. - * Flags - ACPI_IGNORE_RETURN_VALUE to delete return + * flags - ACPI_IGNORE_RETURN_VALUE to delete return * * RETURN: Status * @@ -351,7 +351,7 @@ void acpi_ns_exec_module_code_list(void) * FUNCTION: acpi_ns_exec_module_code * * PARAMETERS: method_obj - Object container for the module-level code - * Info - Info block for method evaluation + * info - Info block for method evaluation * * RETURN: None. Exceptions during method execution are ignored, since * we cannot abort a table load. diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index 9d84ec2f0211..95ffe8dfa1f1 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -224,8 +224,8 @@ acpi_status acpi_ns_initialize_devices(void) * FUNCTION: acpi_ns_init_one_object * * PARAMETERS: obj_handle - Node - * Level - Current nesting level - * Context - Points to a init info struct + * level - Current nesting level + * context - Points to a init info struct * return_value - Not used * * RETURN: Status @@ -530,7 +530,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * we will not run _INI, but we continue to examine the children * of this device. * - * From the ACPI spec, description of _STA: (Note - no mention + * From the ACPI spec, description of _STA: (note - no mention * of whether to run _INI or not on the device in question) * * "_STA may return bit 0 clear (not present) with bit 3 set diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 5cbf15ffe7d8..76935ff29289 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -63,7 +63,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle); * FUNCTION: acpi_ns_load_table * * PARAMETERS: table_index - Index for table to be loaded - * Node - Owning NS node + * node - Owning NS node * * RETURN: Status * @@ -278,7 +278,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle) * * FUNCTION: acpi_ns_unload_name_space * - * PARAMETERS: Handle - Root of namespace subtree to be deleted + * PARAMETERS: handle - Root of namespace subtree to be deleted * * RETURN: Status * diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index b20e7c8c3ffb..96e0eb609bb4 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -53,8 +53,8 @@ ACPI_MODULE_NAME("nsnames") * * FUNCTION: acpi_ns_build_external_path * - * PARAMETERS: Node - NS node whose pathname is needed - * Size - Size of the pathname + * PARAMETERS: node - NS node whose pathname is needed + * size - Size of the pathname * *name_buffer - Where to return the pathname * * RETURN: Status @@ -120,7 +120,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node, * * FUNCTION: acpi_ns_get_external_pathname * - * PARAMETERS: Node - Namespace node whose pathname is needed + * PARAMETERS: node - Namespace node whose pathname is needed * * RETURN: Pointer to storage containing the fully qualified name of * the node, In external format (name segments separated by path @@ -168,7 +168,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node) * * FUNCTION: acpi_ns_get_pathname_length * - * PARAMETERS: Node - Namespace node + * PARAMETERS: node - Namespace node * * RETURN: Length of path, including prefix * @@ -214,7 +214,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) * * PARAMETERS: target_handle - Handle of named object whose name is * to be found - * Buffer - Where the pathname is returned + * buffer - Where the pathname is returned * * RETURN: Status, Buffer is filled with pathname if status is AE_OK * diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index dd77a3ce6e50..d6c9a3cc6716 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -53,9 +53,9 @@ ACPI_MODULE_NAME("nsobject") * * FUNCTION: acpi_ns_attach_object * - * PARAMETERS: Node - Parent Node - * Object - Object to be attached - * Type - Type of object, or ACPI_TYPE_ANY if not + * PARAMETERS: node - Parent Node + * object - Object to be attached + * type - Type of object, or ACPI_TYPE_ANY if not * known * * RETURN: Status @@ -191,7 +191,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node, * * FUNCTION: acpi_ns_detach_object * - * PARAMETERS: Node - A Namespace node whose object will be detached + * PARAMETERS: node - A Namespace node whose object will be detached * * RETURN: None. * @@ -250,7 +250,7 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node) * * FUNCTION: acpi_ns_get_attached_object * - * PARAMETERS: Node - Namespace node + * PARAMETERS: node - Namespace node * * RETURN: Current value of the object field from the Node whose * handle is passed @@ -285,7 +285,7 @@ union acpi_operand_object *acpi_ns_get_attached_object(struct * * FUNCTION: acpi_ns_get_secondary_object * - * PARAMETERS: Node - Namespace node + * PARAMETERS: node - Namespace node * * RETURN: Current value of the object field from the Node whose * handle is passed. @@ -315,9 +315,9 @@ union acpi_operand_object *acpi_ns_get_secondary_object(union * * FUNCTION: acpi_ns_attach_data * - * PARAMETERS: Node - Namespace node - * Handler - Handler to be associated with the data - * Data - Data to be attached + * PARAMETERS: node - Namespace node + * handler - Handler to be associated with the data + * data - Data to be attached * * RETURN: Status * @@ -372,8 +372,8 @@ acpi_ns_attach_data(struct acpi_namespace_node *node, * * FUNCTION: acpi_ns_detach_data * - * PARAMETERS: Node - Namespace node - * Handler - Handler associated with the data + * PARAMETERS: node - Namespace node + * handler - Handler associated with the data * * RETURN: Status * @@ -416,9 +416,9 @@ acpi_ns_detach_data(struct acpi_namespace_node * node, * * FUNCTION: acpi_ns_get_attached_data * - * PARAMETERS: Node - Namespace node - * Handler - Handler associated with the data - * Data - Where the data is returned + * PARAMETERS: node - Namespace node + * handler - Handler associated with the data + * data - Where the data is returned * * RETURN: Status * diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index fe6626035495..2419f417ea33 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -116,7 +116,7 @@ static const char *acpi_rtype_names[] = { * * FUNCTION: acpi_ns_check_predefined_names * - * PARAMETERS: Node - Namespace node for the method/object + * PARAMETERS: node - Namespace node for the method/object * user_param_count - Number of parameters actually passed * return_status - Status from the object evaluation * return_object_ptr - Pointer to the object returned from the @@ -275,10 +275,10 @@ cleanup: * * FUNCTION: acpi_ns_check_parameter_count * - * PARAMETERS: Pathname - Full pathname to the node (for error msgs) - * Node - Namespace node for the method/object + * PARAMETERS: pathname - Full pathname to the node (for error msgs) + * node - Namespace node for the method/object * user_param_count - Number of args passed in by the caller - * Predefined - Pointer to entry in predefined name table + * predefined - Pointer to entry in predefined name table * * RETURN: None * @@ -364,7 +364,7 @@ acpi_ns_check_parameter_count(char *pathname, * * FUNCTION: acpi_ns_check_for_predefined_name * - * PARAMETERS: Node - Namespace node for the method/object + * PARAMETERS: node - Namespace node for the method/object * * RETURN: Pointer to entry in predefined table. NULL indicates not found. * @@ -410,7 +410,7 @@ const union acpi_predefined_info *acpi_ns_check_for_predefined_name(struct * * FUNCTION: acpi_ns_check_package * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -685,11 +685,11 @@ package_too_small: * * FUNCTION: acpi_ns_check_package_list * - * PARAMETERS: Data - Pointer to validation data structure - * Package - Pointer to package-specific info for method - * Elements - Element list of parent package. All elements + * PARAMETERS: data - Pointer to validation data structure + * package - Pointer to package-specific info for method + * elements - Element list of parent package. All elements * of this list should be of type Package. - * Count - Count of subpackages + * count - Count of subpackages * * RETURN: Status * @@ -911,12 +911,12 @@ package_too_small: * * FUNCTION: acpi_ns_check_package_elements * - * PARAMETERS: Data - Pointer to validation data structure - * Elements - Pointer to the package elements array - * Type1 - Object type for first group - * Count1 - Count for first group - * Type2 - Object type for second group - * Count2 - Count for second group + * PARAMETERS: data - Pointer to validation data structure + * elements - Pointer to the package elements array + * type1 - Object type for first group + * count1 - Count for first group + * type2 - Object type for second group + * count2 - Count for second group * start_index - Start of the first group of elements * * RETURN: Status @@ -968,7 +968,7 @@ acpi_ns_check_package_elements(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_object_type * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * expected_btypes - Bitmap of expected return type(s) @@ -1102,7 +1102,7 @@ acpi_ns_check_object_type(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_reference * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object - Object returned from the evaluation of a * method or object * @@ -1140,7 +1140,7 @@ acpi_ns_check_reference(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_get_expected_types * - * PARAMETERS: Buffer - Pointer to where the string is returned + * PARAMETERS: buffer - Pointer to where the string is returned * expected_btypes - Bitmap of expected return type(s) * * RETURN: Buffer is populated with type names. diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index 5519a64a353f..8c5f292860fc 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -94,7 +94,7 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, * * FUNCTION: acpi_ns_repair_object * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * expected_btypes - Object types expected * package_index - Index of object within parent package (if * applicable - ACPI_NOT_PACKAGE_ELEMENT @@ -470,7 +470,7 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, * * FUNCTION: acpi_ns_repair_null_element * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * expected_btypes - Object types expected * package_index - Index of object within parent package (if * applicable - ACPI_NOT_PACKAGE_ELEMENT @@ -509,17 +509,17 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data, */ if (expected_btypes & ACPI_RTYPE_INTEGER) { - /* Need an Integer - create a zero-value integer */ + /* Need an integer - create a zero-value integer */ new_object = acpi_ut_create_integer_object((u64)0); } else if (expected_btypes & ACPI_RTYPE_STRING) { - /* Need a String - create a NULL string */ + /* Need a string - create a NULL string */ new_object = acpi_ut_create_string_object(0); } else if (expected_btypes & ACPI_RTYPE_BUFFER) { - /* Need a Buffer - create a zero-length buffer */ + /* Need a buffer - create a zero-length buffer */ new_object = acpi_ut_create_buffer_object(0); } else { @@ -552,7 +552,7 @@ acpi_ns_repair_null_element(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_remove_null_elements * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * package_type - An acpi_return_package_types value * obj_desc - A Package object * @@ -635,7 +635,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_wrap_with_package * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * original_object - Pointer to the object to repair. * obj_desc_ptr - The new package object is returned here * diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 726bc8e687f7..90189251cdf0 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -149,8 +149,8 @@ static const struct acpi_repair_info acpi_ns_repairable_names[] = { * * FUNCTION: acpi_ns_complex_repairs * - * PARAMETERS: Data - Pointer to validation data structure - * Node - Namespace node for the method/object + * PARAMETERS: data - Pointer to validation data structure + * node - Namespace node for the method/object * validate_status - Original status of earlier validation * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object @@ -187,7 +187,7 @@ acpi_ns_complex_repairs(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_match_repairable_name * - * PARAMETERS: Node - Namespace node for the method/object + * PARAMETERS: node - Namespace node for the method/object * * RETURN: Pointer to entry in repair table. NULL indicates not found. * @@ -218,7 +218,7 @@ static const struct acpi_repair_info *acpi_ns_match_repairable_name(struct * * FUNCTION: acpi_ns_repair_ALR * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -247,7 +247,7 @@ acpi_ns_repair_ALR(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_FDE * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -335,7 +335,7 @@ acpi_ns_repair_FDE(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_CID * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -405,7 +405,7 @@ acpi_ns_repair_CID(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_HID * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -487,7 +487,7 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_TSS * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -531,7 +531,7 @@ acpi_ns_repair_TSS(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_repair_PSS * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object_ptr - Pointer to the object returned from the * evaluation of a method or object * @@ -600,7 +600,7 @@ acpi_ns_repair_PSS(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_check_sorted_list * - * PARAMETERS: Data - Pointer to validation data structure + * PARAMETERS: data - Pointer to validation data structure * return_object - Pointer to the top-level returned object * expected_count - Minimum length of each sub-package * sort_index - Sub-package entry to sort on @@ -707,9 +707,9 @@ acpi_ns_check_sorted_list(struct acpi_predefined_data *data, * * FUNCTION: acpi_ns_sort_list * - * PARAMETERS: Elements - Package object element list - * Count - Element count for above - * Index - Sort by which package element + * PARAMETERS: elements - Package object element list + * count - Element count for above + * index - Sort by which package element * sort_direction - Ascending or Descending sort * * RETURN: None diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index 507043d66114..456cc859f869 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -65,7 +65,7 @@ acpi_ns_search_parent_tree(u32 target_name, * * PARAMETERS: target_name - Ascii ACPI name to search for * parent_node - Starting node where search will begin - * Type - Object type to match + * type - Object type to match * return_node - Where the matched Named obj is returned * * RETURN: Status @@ -175,8 +175,8 @@ acpi_ns_search_one_scope(u32 target_name, * FUNCTION: acpi_ns_search_parent_tree * * PARAMETERS: target_name - Ascii ACPI name to search for - * Node - Starting node where search will begin - * Type - Object type to match + * node - Starting node where search will begin + * type - Object type to match * return_node - Where the matched Node is returned * * RETURN: Status @@ -264,11 +264,11 @@ acpi_ns_search_parent_tree(u32 target_name, * * PARAMETERS: target_name - Ascii ACPI name to search for (4 chars) * walk_state - Current state of the walk - * Node - Starting node where search will begin + * node - Starting node where search will begin * interpreter_mode - Add names only in ACPI_MODE_LOAD_PASS_x. * Otherwise,search only. - * Type - Object type to match - * Flags - Flags describing the search restrictions + * type - Object type to match + * flags - Flags describing the search restrictions * return_node - Where the Node is returned * * RETURN: Status diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index 75113759f69d..ef753a41e087 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -62,8 +62,8 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node *node_to_search); * * FUNCTION: acpi_ns_print_node_pathname * - * PARAMETERS: Node - Object - * Message - Prefix message + * PARAMETERS: node - Object + * message - Prefix message * * DESCRIPTION: Print an object's full namespace pathname * Manages allocation/freeing of a pathname buffer @@ -101,7 +101,7 @@ acpi_ns_print_node_pathname(struct acpi_namespace_node *node, * * FUNCTION: acpi_ns_valid_root_prefix * - * PARAMETERS: Prefix - Character to be checked + * PARAMETERS: prefix - Character to be checked * * RETURN: TRUE if a valid prefix * @@ -119,7 +119,7 @@ u8 acpi_ns_valid_root_prefix(char prefix) * * FUNCTION: acpi_ns_valid_path_separator * - * PARAMETERS: Sep - Character to be checked + * PARAMETERS: sep - Character to be checked * * RETURN: TRUE if a valid path separator * @@ -137,7 +137,7 @@ static u8 acpi_ns_valid_path_separator(char sep) * * FUNCTION: acpi_ns_get_type * - * PARAMETERS: Node - Parent Node to be examined + * PARAMETERS: node - Parent Node to be examined * * RETURN: Type field from Node whose handle is passed * @@ -161,7 +161,7 @@ acpi_object_type acpi_ns_get_type(struct acpi_namespace_node * node) * * FUNCTION: acpi_ns_local * - * PARAMETERS: Type - A namespace object type + * PARAMETERS: type - A namespace object type * * RETURN: LOCAL if names must be found locally in objects of the * passed type, 0 if enclosing scopes should be searched @@ -189,7 +189,7 @@ u32 acpi_ns_local(acpi_object_type type) * * FUNCTION: acpi_ns_get_internal_name_length * - * PARAMETERS: Info - Info struct initialized with the + * PARAMETERS: info - Info struct initialized with the * external name pointer. * * RETURN: None @@ -260,7 +260,7 @@ void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info) * * FUNCTION: acpi_ns_build_internal_name * - * PARAMETERS: Info - Info struct fully initialized + * PARAMETERS: info - Info struct fully initialized * * RETURN: Status * @@ -371,7 +371,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) * FUNCTION: acpi_ns_internalize_name * * PARAMETERS: *external_name - External representation of name - * **Converted Name - Where to return the resulting + * **Converted name - Where to return the resulting * internal represention of the name * * RETURN: Status @@ -575,7 +575,7 @@ acpi_ns_externalize_name(u32 internal_name_length, * * FUNCTION: acpi_ns_validate_handle * - * PARAMETERS: Handle - Handle to be validated and typecast to a + * PARAMETERS: handle - Handle to be validated and typecast to a * namespace node. * * RETURN: A pointer to a namespace node @@ -651,7 +651,7 @@ void acpi_ns_terminate(void) * * FUNCTION: acpi_ns_opens_scope * - * PARAMETERS: Type - A valid namespace type + * PARAMETERS: type - A valid namespace type * * RETURN: NEWSCOPE if the passed type "opens a name scope" according * to the ACPI specification, else 0 @@ -677,14 +677,14 @@ u32 acpi_ns_opens_scope(acpi_object_type type) * * FUNCTION: acpi_ns_get_node * - * PARAMETERS: *Pathname - Name to be found, in external (ASL) format. The + * PARAMETERS: *pathname - Name to be found, in external (ASL) format. The * \ (backslash) and ^ (carat) prefixes, and the * . (period) to separate segments are supported. * prefix_node - Root of subtree to be searched, or NS_ALL for the * root of the name space. If Name is fully * qualified (first s8 is '\'), the passed value * of Scope will not be accessed. - * Flags - Used to indicate whether to perform upsearch or + * flags - Used to indicate whether to perform upsearch or * not. * return_node - Where the Node is returned * diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index f69895a54895..730bccc5e7f7 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -88,7 +88,7 @@ struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node * * FUNCTION: acpi_ns_get_next_node_typed * - * PARAMETERS: Type - Type of node to be searched for + * PARAMETERS: type - Type of node to be searched for * parent_node - Parent node whose children we are * getting * child_node - Previous child that was found. @@ -151,16 +151,16 @@ struct acpi_namespace_node *acpi_ns_get_next_node_typed(acpi_object_type type, * * FUNCTION: acpi_ns_walk_namespace * - * PARAMETERS: Type - acpi_object_type to search for + * PARAMETERS: type - acpi_object_type to search for * start_node - Handle in namespace where search begins * max_depth - Depth to which search is to reach - * Flags - Whether to unlock the NS before invoking + * flags - Whether to unlock the NS before invoking * the callback routine * pre_order_visit - Called during tree pre-order visit * when an object of "Type" is found * post_order_visit - Called during tree post-order visit * when an object of "Type" is found - * Context - Passed to user function(s) above + * context - Passed to user function(s) above * return_value - from the user_function if terminated * early. Otherwise, returns NULL. * RETURNS: Status diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index 71d15f61807b..9692e6702333 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -58,8 +58,8 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info); * * FUNCTION: acpi_evaluate_object_typed * - * PARAMETERS: Handle - Object handle (optional) - * Pathname - Object pathname (optional) + * PARAMETERS: handle - Object handle (optional) + * pathname - Object pathname (optional) * external_params - List of parameters to pass to method, * terminated by NULL. May be NULL * if no parameters are being passed. @@ -152,8 +152,8 @@ ACPI_EXPORT_SYMBOL(acpi_evaluate_object_typed) * * FUNCTION: acpi_evaluate_object * - * PARAMETERS: Handle - Object handle (optional) - * Pathname - Object pathname (optional) + * PARAMETERS: handle - Object handle (optional) + * pathname - Object pathname (optional) * external_params - List of parameters to pass to method, * terminated by NULL. May be NULL * if no parameters are being passed. @@ -364,7 +364,7 @@ ACPI_EXPORT_SYMBOL(acpi_evaluate_object) * * FUNCTION: acpi_ns_resolve_references * - * PARAMETERS: Info - Evaluation info block + * PARAMETERS: info - Evaluation info block * * RETURN: Info->return_object is replaced with the dereferenced object * @@ -431,14 +431,14 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info) * * FUNCTION: acpi_walk_namespace * - * PARAMETERS: Type - acpi_object_type to search for + * PARAMETERS: type - acpi_object_type to search for * start_object - Handle in namespace where search begins * max_depth - Depth to which search is to reach * pre_order_visit - Called during tree pre-order visit * when an object of "Type" is found * post_order_visit - Called during tree post-order visit * when an object of "Type" is found - * Context - Passed to user function(s) above + * context - Passed to user function(s) above * return_value - Location where return value of * user_function is put if terminated early * @@ -646,7 +646,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, * * PARAMETERS: HID - HID to search for. Can be NULL. * user_function - Called when a matching object is found - * Context - Passed to user function + * context - Passed to user function * return_value - Location where return value of * user_function is put if terminated early * @@ -716,8 +716,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_devices) * FUNCTION: acpi_attach_data * * PARAMETERS: obj_handle - Namespace node - * Handler - Handler for this attachment - * Data - Pointer to data to be attached + * handler - Handler for this attachment + * data - Pointer to data to be attached * * RETURN: Status * @@ -764,7 +764,7 @@ ACPI_EXPORT_SYMBOL(acpi_attach_data) * FUNCTION: acpi_detach_data * * PARAMETERS: obj_handle - Namespace node handle - * Handler - Handler used in call to acpi_attach_data + * handler - Handler used in call to acpi_attach_data * * RETURN: Status * @@ -810,8 +810,8 @@ ACPI_EXPORT_SYMBOL(acpi_detach_data) * FUNCTION: acpi_get_data * * PARAMETERS: obj_handle - Namespace node - * Handler - Handler used in call to attach_data - * Data - Where the data is returned + * handler - Handler used in call to attach_data + * data - Where the data is returned * * RETURN: Status * diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index af401c9c4dfc..08e9610b34ca 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -61,8 +61,8 @@ static char *acpi_ns_copy_device_id(struct acpica_device_id *dest, * * FUNCTION: acpi_get_handle * - * PARAMETERS: Parent - Object to search under (search scope). - * Pathname - Pointer to an asciiz string containing the + * PARAMETERS: parent - Object to search under (search scope). + * pathname - Pointer to an asciiz string containing the * name * ret_handle - Where the return handle is returned * @@ -142,9 +142,9 @@ ACPI_EXPORT_SYMBOL(acpi_get_handle) * * FUNCTION: acpi_get_name * - * PARAMETERS: Handle - Handle to be converted to a pathname + * PARAMETERS: handle - Handle to be converted to a pathname * name_type - Full pathname or single segment - * Buffer - Buffer for returned path + * buffer - Buffer for returned path * * RETURN: Pointer to a string containing the fully qualified Name. * @@ -219,8 +219,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_name) * * FUNCTION: acpi_ns_copy_device_id * - * PARAMETERS: Dest - Pointer to the destination DEVICE_ID - * Source - Pointer to the source DEVICE_ID + * PARAMETERS: dest - Pointer to the destination DEVICE_ID + * source - Pointer to the source DEVICE_ID * string_area - Pointer to where to copy the dest string * * RETURN: Pointer to the next string area @@ -247,7 +247,7 @@ static char *acpi_ns_copy_device_id(struct acpica_device_id *dest, * * FUNCTION: acpi_get_object_info * - * PARAMETERS: Handle - Object Handle + * PARAMETERS: handle - Object Handle * return_buffer - Where the info is returned * * RETURN: Status @@ -493,7 +493,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_object_info) * * FUNCTION: acpi_install_method * - * PARAMETERS: Buffer - An ACPI table containing one control method + * PARAMETERS: buffer - An ACPI table containing one control method * * RETURN: Status * diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index 880a605cee20..6766fc4f088f 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -98,7 +98,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_id) * * FUNCTION: acpi_get_type * - * PARAMETERS: Handle - Handle of object whose type is desired + * PARAMETERS: handle - Handle of object whose type is desired * ret_type - Where the type will be placed * * RETURN: Status @@ -151,7 +151,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_type) * * FUNCTION: acpi_get_parent * - * PARAMETERS: Handle - Handle of object whose parent is desired + * PARAMETERS: handle - Handle of object whose parent is desired * ret_handle - Where the parent handle will be placed * * RETURN: Status @@ -212,8 +212,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_parent) * * FUNCTION: acpi_get_next_object * - * PARAMETERS: Type - Type of object to be searched for - * Parent - Parent object whose children we are getting + * PARAMETERS: type - Type of object to be searched for + * parent - Parent object whose children we are getting * last_child - Previous child that was found. * The NEXT child will be returned * ret_handle - Where handle to the next object is placed diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 5ac36aba507c..844464c4f901 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -210,7 +210,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state) * FUNCTION: acpi_ps_get_next_namepath * * PARAMETERS: parser_state - Current parser state object - * Arg - Where the namepath will be stored + * arg - Where the namepath will be stored * arg_count - If the namepath points to a control method * the method's argument is returned here. * possible_method_call - Whether the namepath can possibly be the @@ -379,7 +379,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state, * * PARAMETERS: parser_state - Current parser state object * arg_type - The argument type (AML_*_ARG) - * Arg - Where the argument is returned + * arg - Where the argument is returned * * RETURN: None * @@ -618,6 +618,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP); if (!arg) { + acpi_ps_free_op(field); return_PTR(NULL); } @@ -662,6 +663,7 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state } else { arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP); if (!arg) { + acpi_ps_free_op(field); return_PTR(NULL); } diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index 9547ad8a620b..799162c1b6df 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -167,7 +167,7 @@ static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) * PARAMETERS: walk_state - Current state * aml_op_start - Begin of named Op in AML * unnamed_op - Early Op (not a named Op) - * Op - Returned Op + * op - Returned Op * * RETURN: Status * @@ -323,7 +323,7 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state, if (walk_state->op_info->flags & AML_CREATE) { /* - * Backup to beginning of create_xXXfield declaration + * Backup to beginning of create_XXXfield declaration * body_length is unknown until we parse the body */ op->named.data = aml_op_start; @@ -380,7 +380,7 @@ acpi_ps_create_op(struct acpi_walk_state *walk_state, * * PARAMETERS: walk_state - Current state * aml_op_start - Op start in AML - * Op - Current Op + * op - Current Op * * RETURN: Status * @@ -679,8 +679,8 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op, * FUNCTION: acpi_ps_complete_op * * PARAMETERS: walk_state - Current state - * Op - Returned Op - * Status - Parse status before complete Op + * op - Returned Op + * status - Parse status before complete Op * * RETURN: Status * @@ -853,8 +853,8 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, * FUNCTION: acpi_ps_complete_final_op * * PARAMETERS: walk_state - Current state - * Op - Current Op - * Status - Current parse status before complete last + * op - Current Op + * status - Current parse status before complete last * Op * * RETURN: Status @@ -1165,7 +1165,7 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state) if (walk_state->op_info->flags & AML_CREATE) { /* - * Backup to beginning of create_xXXfield declaration (1 for + * Backup to beginning of create_XXXfield declaration (1 for * Opcode) * * body_length is unknown until we parse the body diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c index a0226fdcf75c..ed1d457bd5ca 100644 --- a/drivers/acpi/acpica/psopcode.c +++ b/drivers/acpi/acpica/psopcode.c @@ -724,7 +724,7 @@ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = { * * FUNCTION: acpi_ps_get_opcode_info * - * PARAMETERS: Opcode - The AML opcode + * PARAMETERS: opcode - The AML opcode * * RETURN: A pointer to the info about the opcode. * @@ -769,7 +769,7 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode) * * FUNCTION: acpi_ps_get_opcode_name * - * PARAMETERS: Opcode - The AML opcode + * PARAMETERS: opcode - The AML opcode * * RETURN: A pointer to the name of the opcode (ASCII String) * Note: Never returns NULL. diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 2ff9c35a1968..01985703bb98 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -64,7 +64,7 @@ ACPI_MODULE_NAME("psparse") * * FUNCTION: acpi_ps_get_opcode_size * - * PARAMETERS: Opcode - An AML opcode + * PARAMETERS: opcode - An AML opcode * * RETURN: Size of the opcode, in bytes (1 or 2) * @@ -121,7 +121,7 @@ u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state) * FUNCTION: acpi_ps_complete_this_op * * PARAMETERS: walk_state - Current State - * Op - Op to complete + * op - Op to complete * * RETURN: Status * @@ -311,7 +311,7 @@ acpi_ps_complete_this_op(struct acpi_walk_state * walk_state, * FUNCTION: acpi_ps_next_parse_state * * PARAMETERS: walk_state - Current state - * Op - Current parse op + * op - Current parse op * callback_status - Status from previous operation * * RETURN: Status diff --git a/drivers/acpi/acpica/psscope.c b/drivers/acpi/acpica/psscope.c index c872aa4b926e..608dc20dc173 100644 --- a/drivers/acpi/acpica/psscope.c +++ b/drivers/acpi/acpica/psscope.c @@ -93,7 +93,7 @@ u8 acpi_ps_has_completed_scope(struct acpi_parse_state * parser_state) * FUNCTION: acpi_ps_init_scope * * PARAMETERS: parser_state - Current parser state object - * Root - the Root Node of this new scope + * root - the Root Node of this new scope * * RETURN: Status * @@ -131,7 +131,7 @@ acpi_ps_init_scope(struct acpi_parse_state * parser_state, * FUNCTION: acpi_ps_push_scope * * PARAMETERS: parser_state - Current parser state object - * Op - Current op to be pushed + * op - Current op to be pushed * remaining_args - List of args remaining * arg_count - Fixed or variable number of args * @@ -184,7 +184,7 @@ acpi_ps_push_scope(struct acpi_parse_state *parser_state, * FUNCTION: acpi_ps_pop_scope * * PARAMETERS: parser_state - Current parser state object - * Op - Where the popped op is returned + * op - Where the popped op is returned * arg_list - Where the popped "next argument" is * returned * arg_count - Count of objects in arg_list diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c index 2b03cdbbe1c0..fdb2e71f3046 100644 --- a/drivers/acpi/acpica/pstree.c +++ b/drivers/acpi/acpica/pstree.c @@ -58,8 +58,8 @@ union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op); * * FUNCTION: acpi_ps_get_arg * - * PARAMETERS: Op - Get an argument for this op - * Argn - Nth argument to get + * PARAMETERS: op - Get an argument for this op + * argn - Nth argument to get * * RETURN: The argument (as an Op object). NULL if argument does not exist * @@ -114,8 +114,8 @@ union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn) * * FUNCTION: acpi_ps_append_arg * - * PARAMETERS: Op - Append an argument to this Op. - * Arg - Argument Op to append + * PARAMETERS: op - Append an argument to this Op. + * arg - Argument Op to append * * RETURN: None. * @@ -188,8 +188,8 @@ acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg) * * FUNCTION: acpi_ps_get_depth_next * - * PARAMETERS: Origin - Root of subtree to search - * Op - Last (previous) Op that was found + * PARAMETERS: origin - Root of subtree to search + * op - Last (previous) Op that was found * * RETURN: Next Op found in the search. * @@ -261,7 +261,7 @@ union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin, * * FUNCTION: acpi_ps_get_child * - * PARAMETERS: Op - Get the child of this Op + * PARAMETERS: op - Get the child of this Op * * RETURN: Child Op, Null if none is found. * diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index 13bb131ae125..8736ad5f04d3 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -77,8 +77,8 @@ union acpi_parse_object *acpi_ps_create_scope_op(void) * * FUNCTION: acpi_ps_init_op * - * PARAMETERS: Op - A newly allocated Op object - * Opcode - Opcode to store in the Op + * PARAMETERS: op - A newly allocated Op object + * opcode - Opcode to store in the Op * * RETURN: None * @@ -103,7 +103,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode) * * FUNCTION: acpi_ps_alloc_op * - * PARAMETERS: Opcode - Opcode that will be stored in the new Op + * PARAMETERS: opcode - Opcode that will be stored in the new Op * * RETURN: Pointer to the new Op, null on failure * @@ -160,7 +160,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode) * * FUNCTION: acpi_ps_free_op * - * PARAMETERS: Op - Op to be freed + * PARAMETERS: op - Op to be freed * * RETURN: None. * diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 9d98c5ff66a5..963e16225797 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -66,7 +66,7 @@ acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action); * PARAMETERS: method_name - Valid ACPI name string * debug_level - Optional level mask. 0 to use default * debug_layer - Optional layer mask. 0 to use default - * Flags - bit 1: one shot(1) or persistent(0) + * flags - bit 1: one shot(1) or persistent(0) * * RETURN: Status * @@ -105,7 +105,7 @@ acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags) * * FUNCTION: acpi_ps_start_trace * - * PARAMETERS: Info - Method info struct + * PARAMETERS: info - Method info struct * * RETURN: None * @@ -150,7 +150,7 @@ static void acpi_ps_start_trace(struct acpi_evaluate_info *info) * * FUNCTION: acpi_ps_stop_trace * - * PARAMETERS: Info - Method info struct + * PARAMETERS: info - Method info struct * * RETURN: None * @@ -193,10 +193,10 @@ static void acpi_ps_stop_trace(struct acpi_evaluate_info *info) * * FUNCTION: acpi_ps_execute_method * - * PARAMETERS: Info - Method info block, contains: - * Node - Method Node to execute + * PARAMETERS: info - Method info block, contains: + * node - Method Node to execute * obj_desc - Method object - * Parameters - List of parameters to pass to the method, + * parameters - List of parameters to pass to the method, * terminated by NULL. Params itself may be * NULL if no parameters are being passed. * return_object - Where to put method's return value (if @@ -361,9 +361,9 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) * * FUNCTION: acpi_ps_update_parameter_list * - * PARAMETERS: Info - See struct acpi_evaluate_info + * PARAMETERS: info - See struct acpi_evaluate_info * (Used: parameter_type and Parameters) - * Action - Add or Remove reference + * action - Add or Remove reference * * RETURN: Status * diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c index a0305652394f..856ff075b6ab 100644 --- a/drivers/acpi/acpica/rsaddr.c +++ b/drivers/acpi/acpica/rsaddr.c @@ -182,8 +182,8 @@ struct acpi_rsconvert_info acpi_rs_convert_ext_address64[5] = { /* Revision ID */ - {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_iD), - AML_OFFSET(ext_address64.revision_iD), + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.ext_address64.revision_ID), + AML_OFFSET(ext_address64.revision_ID), 1}, /* * These fields are contiguous in both the source and destination: @@ -215,7 +215,7 @@ static struct acpi_rsconvert_info acpi_rs_convert_general_flags[6] = { AML_OFFSET(address.resource_type), 1}, - /* General Flags - Consume, Decode, min_fixed, max_fixed */ + /* General flags - Consume, Decode, min_fixed, max_fixed */ {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.address.producer_consumer), AML_OFFSET(address.flags), @@ -293,8 +293,8 @@ static struct acpi_rsconvert_info acpi_rs_convert_io_flags[4] = { * * FUNCTION: acpi_rs_get_address_common * - * PARAMETERS: Resource - Pointer to the internal resource struct - * Aml - Pointer to the AML resource descriptor + * PARAMETERS: resource - Pointer to the internal resource struct + * aml - Pointer to the AML resource descriptor * * RETURN: TRUE if the resource_type field is OK, FALSE otherwise * @@ -343,8 +343,8 @@ acpi_rs_get_address_common(struct acpi_resource *resource, * * FUNCTION: acpi_rs_set_address_common * - * PARAMETERS: Aml - Pointer to the AML resource descriptor - * Resource - Pointer to the internal resource struct + * PARAMETERS: aml - Pointer to the AML resource descriptor + * resource - Pointer to the internal resource struct * * RETURN: None * diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 3c6df4b7eb2d..de12469d1c9c 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -173,7 +173,7 @@ acpi_rs_stream_option_length(u32 resource_length, * * FUNCTION: acpi_rs_get_aml_length * - * PARAMETERS: Resource - Pointer to the resource linked list + * PARAMETERS: resource - Pointer to the resource linked list * size_needed - Where the required size is returned * * RETURN: Status diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index 46d6eb38ae66..311cbc4f05fa 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -190,8 +190,8 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer, * * FUNCTION: acpi_rs_create_pci_routing_table * - * PARAMETERS: package_object - Pointer to a union acpi_operand_object - * package + * PARAMETERS: package_object - Pointer to a package containing one + * of more ACPI_OPERAND_OBJECTs * output_buffer - Pointer to the user's buffer * * RETURN: Status AE_OK if okay, else a valid acpi_status code. @@ -199,7 +199,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer, * AE_BUFFER_OVERFLOW and output_buffer->Length will point * to the size buffer needed. * - * DESCRIPTION: Takes the union acpi_operand_object package and creates a + * DESCRIPTION: Takes the union acpi_operand_object package and creates a * linked list of PCI interrupt descriptions * * NOTE: It is the caller's responsibility to ensure that the start of the diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c index b4c581132393..4d11b072388c 100644 --- a/drivers/acpi/acpica/rsdump.c +++ b/drivers/acpi/acpica/rsdump.c @@ -703,7 +703,7 @@ acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source) * * FUNCTION: acpi_rs_dump_address_common * - * PARAMETERS: Resource - Pointer to an internal resource descriptor + * PARAMETERS: resource - Pointer to an internal resource descriptor * * RETURN: None * @@ -850,8 +850,8 @@ void acpi_rs_dump_irq_list(u8 * route_table) * * FUNCTION: acpi_rs_out* * - * PARAMETERS: Title - Name of the resource field - * Value - Value of the resource field + * PARAMETERS: title - Name of the resource field + * value - Value of the resource field * * RETURN: None * @@ -898,8 +898,8 @@ static void acpi_rs_out_title(char *title) * * FUNCTION: acpi_rs_dump*List * - * PARAMETERS: Length - Number of elements in the list - * Data - Start of the list + * PARAMETERS: length - Number of elements in the list + * data - Start of the list * * RETURN: None * diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index 9be129f5d6f4..46b5324b22d6 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -139,7 +139,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, * * FUNCTION: acpi_rs_convert_resources_to_aml * - * PARAMETERS: Resource - Pointer to the resource linked list + * PARAMETERS: resource - Pointer to the resource linked list * aml_size_needed - Calculated size of the byte stream * needed from calling acpi_rs_get_aml_length() * The size of the output_buffer is diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c index 8073b371cc7c..c6f291c2bc83 100644 --- a/drivers/acpi/acpica/rsmisc.c +++ b/drivers/acpi/acpica/rsmisc.c @@ -57,9 +57,9 @@ ACPI_MODULE_NAME("rsmisc") * * FUNCTION: acpi_rs_convert_aml_to_resource * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * Info - Pointer to appropriate conversion table + * PARAMETERS: resource - Pointer to the resource descriptor + * aml - Where the AML descriptor is returned + * info - Pointer to appropriate conversion table * * RETURN: Status * @@ -406,7 +406,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, case ACPI_RSC_EXIT_NE: /* - * Control - Exit conversion if not equal + * control - Exit conversion if not equal */ switch (info->resource_offset) { case ACPI_RSC_COMPARE_AML_LENGTH: @@ -454,9 +454,9 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, * * FUNCTION: acpi_rs_convert_resource_to_aml * - * PARAMETERS: Resource - Pointer to the resource descriptor - * Aml - Where the AML descriptor is returned - * Info - Pointer to appropriate conversion table + * PARAMETERS: resource - Pointer to the resource descriptor + * aml - Where the AML descriptor is returned + * info - Pointer to appropriate conversion table * * RETURN: Status * @@ -726,7 +726,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, case ACPI_RSC_EXIT_LE: /* - * Control - Exit conversion if less than or equal + * control - Exit conversion if less than or equal */ if (item_count <= info->value) { goto exit; @@ -735,7 +735,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, case ACPI_RSC_EXIT_NE: /* - * Control - Exit conversion if not equal + * control - Exit conversion if not equal */ switch (COMPARE_OPCODE(info)) { case ACPI_RSC_COMPARE_VALUE: @@ -757,7 +757,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, case ACPI_RSC_EXIT_EQ: /* - * Control - Exit conversion if equal + * control - Exit conversion if equal */ if (*ACPI_ADD_PTR(u8, resource, COMPARE_TARGET(info)) == @@ -783,7 +783,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, #if 0 /* Previous resource validations */ -if (aml->ext_address64.revision_iD != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { +if (aml->ext_address64.revision_ID != AML_RESOURCE_EXTENDED_ADDRESS_REVISION) { return_ACPI_STATUS(AE_SUPPORT); } diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c index 433a375deb93..37d5241c0acf 100644 --- a/drivers/acpi/acpica/rsutils.c +++ b/drivers/acpi/acpica/rsutils.c @@ -53,8 +53,8 @@ ACPI_MODULE_NAME("rsutils") * * FUNCTION: acpi_rs_decode_bitmask * - * PARAMETERS: Mask - Bitmask to decode - * List - Where the converted list is returned + * PARAMETERS: mask - Bitmask to decode + * list - Where the converted list is returned * * RETURN: Count of bits set (length of list) * @@ -86,8 +86,8 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list) * * FUNCTION: acpi_rs_encode_bitmask * - * PARAMETERS: List - List of values to encode - * Count - Length of list + * PARAMETERS: list - List of values to encode + * count - Length of list * * RETURN: Encoded bitmask * @@ -115,8 +115,8 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count) * * FUNCTION: acpi_rs_move_data * - * PARAMETERS: Destination - Pointer to the destination descriptor - * Source - Pointer to the source descriptor + * PARAMETERS: destination - Pointer to the destination descriptor + * source - Pointer to the source descriptor * item_count - How many items to move * move_type - Byte width * @@ -183,7 +183,7 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type) * * PARAMETERS: total_length - Length of the AML descriptor, including * the header and length fields. - * Aml - Pointer to the raw AML descriptor + * aml - Pointer to the raw AML descriptor * * RETURN: None * @@ -235,7 +235,7 @@ acpi_rs_set_resource_length(acpi_rsdesc_size total_length, * PARAMETERS: descriptor_type - Byte to be inserted as the type * total_length - Length of the AML descriptor, including * the header and length fields. - * Aml - Pointer to the raw AML descriptor + * aml - Pointer to the raw AML descriptor * * RETURN: None * @@ -265,8 +265,8 @@ acpi_rs_set_resource_header(u8 descriptor_type, * * FUNCTION: acpi_rs_strcpy * - * PARAMETERS: Destination - Pointer to the destination string - * Source - Pointer to the source string + * PARAMETERS: destination - Pointer to the destination string + * source - Pointer to the source string * * RETURN: String length, including NULL terminator * @@ -300,7 +300,7 @@ static u16 acpi_rs_strcpy(char *destination, char *source) * minimum_length - Minimum length of the descriptor (minus * any optional fields) * resource_source - Where the resource_source is returned - * Aml - Pointer to the raw AML descriptor + * aml - Pointer to the raw AML descriptor * string_ptr - (optional) where to store the actual * resource_source string * @@ -386,7 +386,7 @@ acpi_rs_get_resource_source(acpi_rs_length resource_length, * * FUNCTION: acpi_rs_set_resource_source * - * PARAMETERS: Aml - Pointer to the raw AML descriptor + * PARAMETERS: aml - Pointer to the raw AML descriptor * minimum_length - Minimum length of the descriptor (minus * any optional fields) * resource_source - Internal resource_source @@ -445,7 +445,7 @@ acpi_rs_set_resource_source(union aml_resource * aml, * * FUNCTION: acpi_rs_get_prt_method_data * - * PARAMETERS: Node - Device node + * PARAMETERS: node - Device node * ret_buffer - Pointer to a buffer structure for the * results * @@ -494,7 +494,7 @@ acpi_rs_get_prt_method_data(struct acpi_namespace_node * node, * * FUNCTION: acpi_rs_get_crs_method_data * - * PARAMETERS: Node - Device node + * PARAMETERS: node - Device node * ret_buffer - Pointer to a buffer structure for the * results * @@ -534,7 +534,7 @@ acpi_rs_get_crs_method_data(struct acpi_namespace_node *node, */ status = acpi_rs_create_resource_list(obj_desc, ret_buffer); - /* On exit, we must delete the object returned by evaluate_object */ + /* On exit, we must delete the object returned by evaluateObject */ acpi_ut_remove_reference(obj_desc); return_ACPI_STATUS(status); @@ -544,7 +544,7 @@ acpi_rs_get_crs_method_data(struct acpi_namespace_node *node, * * FUNCTION: acpi_rs_get_prs_method_data * - * PARAMETERS: Node - Device node + * PARAMETERS: node - Device node * ret_buffer - Pointer to a buffer structure for the * results * @@ -585,7 +585,7 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node, */ status = acpi_rs_create_resource_list(obj_desc, ret_buffer); - /* On exit, we must delete the object returned by evaluate_object */ + /* On exit, we must delete the object returned by evaluateObject */ acpi_ut_remove_reference(obj_desc); return_ACPI_STATUS(status); @@ -596,7 +596,7 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node, * * FUNCTION: acpi_rs_get_aei_method_data * - * PARAMETERS: Node - Device node + * PARAMETERS: node - Device node * ret_buffer - Pointer to a buffer structure for the * results * @@ -636,7 +636,7 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, */ status = acpi_rs_create_resource_list(obj_desc, ret_buffer); - /* On exit, we must delete the object returned by evaluate_object */ + /* On exit, we must delete the object returned by evaluateObject */ acpi_ut_remove_reference(obj_desc); return_ACPI_STATUS(status); @@ -646,8 +646,8 @@ acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, * * FUNCTION: acpi_rs_get_method_data * - * PARAMETERS: Handle - Handle to the containing object - * Path - Path to method, relative to Handle + * PARAMETERS: handle - Handle to the containing object + * path - Path to method, relative to Handle * ret_buffer - Pointer to a buffer structure for the * results * @@ -697,7 +697,7 @@ acpi_rs_get_method_data(acpi_handle handle, * * FUNCTION: acpi_rs_set_srs_method_data * - * PARAMETERS: Node - Device node + * PARAMETERS: node - Device node * in_buffer - Pointer to a buffer structure of the * parameter * diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index f58c098c7aeb..5aad744b5b83 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -79,7 +79,7 @@ acpi_rs_validate_parameters(acpi_handle device_handle, * FUNCTION: acpi_rs_validate_parameters * * PARAMETERS: device_handle - Handle to a device - * Buffer - Pointer to a data buffer + * buffer - Pointer to a data buffer * return_node - Pointer to where the device node is returned * * RETURN: Status @@ -351,8 +351,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_event_resources) * * FUNCTION: acpi_resource_to_address64 * - * PARAMETERS: Resource - Pointer to a resource - * Out - Pointer to the users's return buffer + * PARAMETERS: resource - Pointer to a resource + * out - Pointer to the users's return buffer * (a struct acpi_resource_address64) * * RETURN: Status @@ -415,9 +415,9 @@ ACPI_EXPORT_SYMBOL(acpi_resource_to_address64) * FUNCTION: acpi_get_vendor_resource * * PARAMETERS: device_handle - Handle for the parent device object - * Name - Method name for the parent resource + * name - Method name for the parent resource * (METHOD_NAME__CRS or METHOD_NAME__PRS) - * Uuid - Pointer to the UUID to be matched. + * uuid - Pointer to the UUID to be matched. * includes both subtype and 16-byte UUID * ret_buffer - Where the vendor resource is returned * @@ -526,11 +526,11 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) * * PARAMETERS: device_handle - Handle to the device object for the * device we are querying - * Name - Method name of the resources we want. + * name - Method name of the resources we want. * (METHOD_NAME__CRS, METHOD_NAME__PRS, or * METHOD_NAME__AEI) * user_function - Called for each resource - * Context - Passed to user_function + * context - Passed to user_function * * RETURN: Status * diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 4c9c760db4a4..390651860bf0 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -49,9 +49,10 @@ ACPI_MODULE_NAME("tbfadt") /* Local prototypes */ -static ACPI_INLINE void +static void acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, - u8 space_id, u8 byte_width, u64 address); + u8 space_id, + u8 byte_width, u64 address, char *register_name); static void acpi_tb_convert_fadt(void); @@ -172,7 +173,7 @@ static struct acpi_fadt_pm_info fadt_pm_info_table[] = { * * PARAMETERS: generic_address - GAS struct to be initialized * byte_width - Width of this register - * Address - Address of the register + * address - Address of the register * * RETURN: None * @@ -182,10 +183,25 @@ static struct acpi_fadt_pm_info fadt_pm_info_table[] = { * ******************************************************************************/ -static ACPI_INLINE void +static void acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, - u8 space_id, u8 byte_width, u64 address) + u8 space_id, + u8 byte_width, u64 address, char *register_name) { + u8 bit_width; + + /* Bit width field in the GAS is only one byte long, 255 max */ + + bit_width = (u8)(byte_width * 8); + + if (byte_width > 31) { /* (31*8)=248 */ + ACPI_ERROR((AE_INFO, + "%s - 32-bit FADT register is too long (%u bytes, %u bits) " + "to convert to GAS struct - 255 bits max, truncating", + register_name, byte_width, (byte_width * 8))); + + bit_width = 255; + } /* * The 64-bit Address field is non-aligned in the byte packed @@ -196,7 +212,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address, /* All other fields are byte-wide */ generic_address->space_id = space_id; - generic_address->bit_width = (u8)ACPI_MUL_8(byte_width); + generic_address->bit_width = bit_width; generic_address->bit_offset = 0; generic_address->access_width = 0; /* Access width ANY */ } @@ -267,8 +283,8 @@ void acpi_tb_parse_fadt(u32 table_index) * * FUNCTION: acpi_tb_create_local_fadt * - * PARAMETERS: Table - Pointer to BIOS FADT - * Length - Length of the table + * PARAMETERS: table - Pointer to BIOS FADT + * length - Length of the table * * RETURN: None * @@ -287,11 +303,11 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) * a warning. */ if (length > sizeof(struct acpi_table_fadt)) { - ACPI_WARNING((AE_INFO, - "FADT (revision %u) is longer than ACPI 5.0 version, " - "truncating length %u to %u", - table->revision, length, - (u32)sizeof(struct acpi_table_fadt))); + ACPI_BIOS_WARNING((AE_INFO, + "FADT (revision %u) is longer than ACPI 5.0 version, " + "truncating length %u to %u", + table->revision, length, + (u32)sizeof(struct acpi_table_fadt))); } /* Clear the entire local FADT */ @@ -436,11 +452,13 @@ static void acpi_tb_convert_fadt(void) * they must match. */ if (address64->address && address32 && - (address64->address != (u64) address32)) { - ACPI_ERROR((AE_INFO, - "32/64X address mismatch in %s: 0x%8.8X/0x%8.8X%8.8X, using 32", - fadt_info_table[i].name, address32, - ACPI_FORMAT_UINT64(address64->address))); + (address64->address != (u64)address32)) { + ACPI_BIOS_ERROR((AE_INFO, + "32/64X address mismatch in FADT/%s: " + "0x%8.8X/0x%8.8X%8.8X, using 32", + fadt_info_table[i].name, address32, + ACPI_FORMAT_UINT64(address64-> + address))); } /* Always use 32-bit address if it is valid (non-null) */ @@ -456,7 +474,8 @@ static void acpi_tb_convert_fadt(void) &acpi_gbl_FADT, fadt_info_table [i].length), - (u64) address32); + (u64) address32, + fadt_info_table[i].name); } } } @@ -465,7 +484,7 @@ static void acpi_tb_convert_fadt(void) * * FUNCTION: acpi_tb_validate_fadt * - * PARAMETERS: Table - Pointer to the FADT to be validated + * PARAMETERS: table - Pointer to the FADT to be validated * * RETURN: None * @@ -494,25 +513,25 @@ static void acpi_tb_validate_fadt(void) * DSDT/X_DSDT) would indicate the presence of two FACS or two DSDT tables. */ if (acpi_gbl_FADT.facs && - (acpi_gbl_FADT.Xfacs != (u64) acpi_gbl_FADT.facs)) { - ACPI_WARNING((AE_INFO, - "32/64X FACS address mismatch in FADT - " - "0x%8.8X/0x%8.8X%8.8X, using 32", - acpi_gbl_FADT.facs, - ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xfacs))); - - acpi_gbl_FADT.Xfacs = (u64) acpi_gbl_FADT.facs; + (acpi_gbl_FADT.Xfacs != (u64)acpi_gbl_FADT.facs)) { + ACPI_BIOS_WARNING((AE_INFO, + "32/64X FACS address mismatch in FADT - " + "0x%8.8X/0x%8.8X%8.8X, using 32", + acpi_gbl_FADT.facs, + ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xfacs))); + + acpi_gbl_FADT.Xfacs = (u64)acpi_gbl_FADT.facs; } if (acpi_gbl_FADT.dsdt && - (acpi_gbl_FADT.Xdsdt != (u64) acpi_gbl_FADT.dsdt)) { - ACPI_WARNING((AE_INFO, - "32/64X DSDT address mismatch in FADT - " - "0x%8.8X/0x%8.8X%8.8X, using 32", - acpi_gbl_FADT.dsdt, - ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xdsdt))); - - acpi_gbl_FADT.Xdsdt = (u64) acpi_gbl_FADT.dsdt; + (acpi_gbl_FADT.Xdsdt != (u64)acpi_gbl_FADT.dsdt)) { + ACPI_BIOS_WARNING((AE_INFO, + "32/64X DSDT address mismatch in FADT - " + "0x%8.8X/0x%8.8X%8.8X, using 32", + acpi_gbl_FADT.dsdt, + ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xdsdt))); + + acpi_gbl_FADT.Xdsdt = (u64)acpi_gbl_FADT.dsdt; } /* If Hardware Reduced flag is set, we are all done */ @@ -542,10 +561,10 @@ static void acpi_tb_validate_fadt(void) */ if (address64->address && (address64->bit_width != ACPI_MUL_8(length))) { - ACPI_WARNING((AE_INFO, - "32/64X length mismatch in %s: %u/%u", - name, ACPI_MUL_8(length), - address64->bit_width)); + ACPI_BIOS_WARNING((AE_INFO, + "32/64X length mismatch in FADT/%s: %u/%u", + name, ACPI_MUL_8(length), + address64->bit_width)); } if (fadt_info_table[i].type & ACPI_FADT_REQUIRED) { @@ -554,29 +573,29 @@ static void acpi_tb_validate_fadt(void) * Both the address and length must be non-zero. */ if (!address64->address || !length) { - ACPI_ERROR((AE_INFO, - "Required field %s has zero address and/or length:" - " 0x%8.8X%8.8X/0x%X", - name, - ACPI_FORMAT_UINT64(address64-> - address), - length)); + ACPI_BIOS_ERROR((AE_INFO, + "Required FADT field %s has zero address and/or length: " + "0x%8.8X%8.8X/0x%X", + name, + ACPI_FORMAT_UINT64(address64-> + address), + length)); } } else if (fadt_info_table[i].type & ACPI_FADT_SEPARATE_LENGTH) { /* - * Field is optional (PM2Control, GPE0, GPE1) AND has its own + * Field is optional (Pm2_control, GPE0, GPE1) AND has its own * length field. If present, both the address and length must * be valid. */ if ((address64->address && !length) || (!address64->address && length)) { - ACPI_WARNING((AE_INFO, - "Optional field %s has zero address or length: " - "0x%8.8X%8.8X/0x%X", - name, - ACPI_FORMAT_UINT64(address64-> - address), - length)); + ACPI_BIOS_WARNING((AE_INFO, + "Optional FADT field %s has zero address or length: " + "0x%8.8X%8.8X/0x%X", + name, + ACPI_FORMAT_UINT64 + (address64->address), + length)); } } } @@ -621,12 +640,12 @@ static void acpi_tb_setup_fadt_registers(void) (fadt_info_table[i].default_length > 0) && (fadt_info_table[i].default_length != target64->bit_width)) { - ACPI_WARNING((AE_INFO, - "Invalid length for %s: %u, using default %u", - fadt_info_table[i].name, - target64->bit_width, - fadt_info_table[i]. - default_length)); + ACPI_BIOS_WARNING((AE_INFO, + "Invalid length for FADT/%s: %u, using default %u", + fadt_info_table[i].name, + target64->bit_width, + fadt_info_table[i]. + default_length)); /* Incorrect size, set width to the default */ @@ -670,7 +689,8 @@ static void acpi_tb_setup_fadt_registers(void) source64->address + (fadt_pm_info_table[i]. register_num * - pm1_register_byte_width)); + pm1_register_byte_width), + "PmRegisters"); } } } diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index 4903e36ea75a..57deae166577 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -52,7 +52,7 @@ ACPI_MODULE_NAME("tbfind") * * FUNCTION: acpi_tb_find_table * - * PARAMETERS: Signature - String with ACPI table signature + * PARAMETERS: signature - String with ACPI table signature * oem_id - String with the table OEM ID * oem_table_id - String with the OEM Table ID * table_index - Where the table index is returned diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index c03500b4cc7a..74f97d74db1c 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -138,13 +138,14 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index) if ((table_desc->pointer->signature[0] != 0x00) && (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)) && (ACPI_STRNCMP(table_desc->pointer->signature, "OEM", 3))) { - ACPI_ERROR((AE_INFO, - "Table has invalid signature [%4.4s] (0x%8.8X), must be SSDT or OEMx", - acpi_ut_valid_acpi_name(*(u32 *)table_desc-> - pointer-> - signature) ? table_desc-> - pointer->signature : "????", - *(u32 *)table_desc->pointer->signature)); + ACPI_BIOS_ERROR((AE_INFO, + "Table has invalid signature [%4.4s] (0x%8.8X), " + "must be SSDT or OEMx", + acpi_ut_valid_acpi_name(*(u32 *)table_desc-> + pointer-> + signature) ? + table_desc->pointer->signature : "????", + *(u32 *)table_desc->pointer->signature)); return_ACPI_STATUS(AE_BAD_SIGNATURE); } @@ -396,10 +397,10 @@ acpi_status acpi_tb_resize_root_table_list(void) * * FUNCTION: acpi_tb_store_table * - * PARAMETERS: Address - Table address - * Table - Table header - * Length - Table length - * Flags - flags + * PARAMETERS: address - Table address + * table - Table header + * length - Table length + * flags - flags * * RETURN: Status and table index. * diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 0a706cac37de..b6cea30da638 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -178,8 +178,8 @@ u8 acpi_tb_tables_loaded(void) * * FUNCTION: acpi_tb_fix_string * - * PARAMETERS: String - String to be repaired - * Length - Maximum length + * PARAMETERS: string - String to be repaired + * length - Maximum length * * RETURN: None * @@ -205,7 +205,7 @@ static void acpi_tb_fix_string(char *string, acpi_size length) * FUNCTION: acpi_tb_cleanup_table_header * * PARAMETERS: out_header - Where the cleaned header is returned - * Header - Input ACPI table header + * header - Input ACPI table header * * RETURN: Returns the cleaned header in out_header * @@ -231,8 +231,8 @@ acpi_tb_cleanup_table_header(struct acpi_table_header *out_header, * * FUNCTION: acpi_tb_print_table_header * - * PARAMETERS: Address - Table physical address - * Header - Table header + * PARAMETERS: address - Table physical address + * header - Table header * * RETURN: None * @@ -296,8 +296,8 @@ acpi_tb_print_table_header(acpi_physical_address address, * * FUNCTION: acpi_tb_validate_checksum * - * PARAMETERS: Table - ACPI table to verify - * Length - Length of entire table + * PARAMETERS: table - ACPI table to verify + * length - Length of entire table * * RETURN: Status * @@ -317,10 +317,11 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length) /* Checksum ok? (should be zero) */ if (checksum) { - ACPI_WARNING((AE_INFO, - "Incorrect checksum in table [%4.4s] - 0x%2.2X, should be 0x%2.2X", - table->signature, table->checksum, - (u8) (table->checksum - checksum))); + ACPI_BIOS_WARNING((AE_INFO, + "Incorrect checksum in table [%4.4s] - 0x%2.2X, " + "should be 0x%2.2X", + table->signature, table->checksum, + (u8)(table->checksum - checksum))); #if (ACPI_CHECKSUM_ABORT) @@ -335,8 +336,8 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length) * * FUNCTION: acpi_tb_checksum * - * PARAMETERS: Buffer - Pointer to memory region to be checked - * Length - Length of this memory region + * PARAMETERS: buffer - Pointer to memory region to be checked + * length - Length of this memory region * * RETURN: Checksum (u8) * @@ -377,8 +378,9 @@ void acpi_tb_check_dsdt_header(void) if (acpi_gbl_original_dsdt_header.length != acpi_gbl_DSDT->length || acpi_gbl_original_dsdt_header.checksum != acpi_gbl_DSDT->checksum) { - ACPI_ERROR((AE_INFO, - "The DSDT has been corrupted or replaced - old, new headers below")); + ACPI_BIOS_ERROR((AE_INFO, + "The DSDT has been corrupted or replaced - " + "old, new headers below")); acpi_tb_print_table_header(0, &acpi_gbl_original_dsdt_header); acpi_tb_print_table_header(0, acpi_gbl_DSDT); @@ -438,8 +440,8 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index) * * FUNCTION: acpi_tb_install_table * - * PARAMETERS: Address - Physical address of DSDT or FACS - * Signature - Table signature, NULL if no need to + * PARAMETERS: address - Physical address of DSDT or FACS + * signature - Table signature, NULL if no need to * match * table_index - Index into root table array * @@ -480,9 +482,10 @@ acpi_tb_install_table(acpi_physical_address address, /* If a particular signature is expected (DSDT/FACS), it must match */ if (signature && !ACPI_COMPARE_NAME(table->signature, signature)) { - ACPI_ERROR((AE_INFO, - "Invalid signature 0x%X for ACPI table, expected [%s]", - *ACPI_CAST_PTR(u32, table->signature), signature)); + ACPI_BIOS_ERROR((AE_INFO, + "Invalid signature 0x%X for ACPI table, expected [%s]", + *ACPI_CAST_PTR(u32, table->signature), + signature)); goto unmap_and_exit; } @@ -589,10 +592,10 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) /* Will truncate 64-bit address to 32 bits, issue warning */ - ACPI_WARNING((AE_INFO, - "64-bit Physical Address in XSDT is too large (0x%8.8X%8.8X)," - " truncating", - ACPI_FORMAT_UINT64(address64))); + ACPI_BIOS_WARNING((AE_INFO, + "64-bit Physical Address in XSDT is too large (0x%8.8X%8.8X)," + " truncating", + ACPI_FORMAT_UINT64(address64))); } #endif return ((acpi_physical_address) (address64)); @@ -603,7 +606,7 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) * * FUNCTION: acpi_tb_parse_root_table * - * PARAMETERS: Rsdp - Pointer to the RSDP + * PARAMETERS: rsdp - Pointer to the RSDP * * RETURN: Status * @@ -694,8 +697,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address) acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); if (length < sizeof(struct acpi_table_header)) { - ACPI_ERROR((AE_INFO, "Invalid length 0x%X in RSDT/XSDT", - length)); + ACPI_BIOS_ERROR((AE_INFO, + "Invalid table length 0x%X in RSDT/XSDT", + length)); return_ACPI_STATUS(AE_INVALID_TABLE_LENGTH); } diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index abcc6412c244..ea4c6d52605a 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -1,7 +1,6 @@ /****************************************************************************** * - * Module Name: tbxface - Public interfaces to the ACPI subsystem - * ACPI table oriented interfaces + * Module Name: tbxface - ACPI table oriented external interfaces * *****************************************************************************/ @@ -51,11 +50,6 @@ #define _COMPONENT ACPI_TABLES ACPI_MODULE_NAME("tbxface") -/* Local prototypes */ -static acpi_status acpi_tb_load_namespace(void); - -static int no_auto_ssdt; - /******************************************************************************* * * FUNCTION: acpi_allocate_root_table @@ -65,11 +59,10 @@ static int no_auto_ssdt; * * RETURN: Status * - * DESCRIPTION: Allocate a root table array. Used by i_aSL compiler and + * DESCRIPTION: Allocate a root table array. Used by iASL compiler and * acpi_initialize_tables. * ******************************************************************************/ - acpi_status acpi_allocate_root_table(u32 initial_table_count) { @@ -222,52 +215,10 @@ acpi_status acpi_reallocate_root_table(void) /******************************************************************************* * - * FUNCTION: acpi_load_table - * - * PARAMETERS: table_ptr - pointer to a buffer containing the entire - * table to be loaded - * - * RETURN: Status - * - * DESCRIPTION: This function is called to load a table from the caller's - * buffer. The buffer must contain an entire ACPI Table including - * a valid header. The header fields will be verified, and if it - * is determined that the table is invalid, the call will fail. - * - ******************************************************************************/ -acpi_status acpi_load_table(struct acpi_table_header *table_ptr) -{ - acpi_status status; - u32 table_index; - struct acpi_table_desc table_desc; - - if (!table_ptr) - return AE_BAD_PARAMETER; - - ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc)); - table_desc.pointer = table_ptr; - table_desc.length = table_ptr->length; - table_desc.flags = ACPI_TABLE_ORIGIN_UNKNOWN; - - /* - * Install the new table into the local data structures - */ - status = acpi_tb_add_table(&table_desc, &table_index); - if (ACPI_FAILURE(status)) { - return status; - } - status = acpi_ns_load_table(table_index, acpi_gbl_root_node); - return status; -} - -ACPI_EXPORT_SYMBOL(acpi_load_table) - -/******************************************************************************* - * * FUNCTION: acpi_get_table_header * - * PARAMETERS: Signature - ACPI signature of needed table - * Instance - Which instance (for SSDTs) + * PARAMETERS: signature - ACPI signature of needed table + * instance - Which instance (for SSDTs) * out_table_header - The pointer to the table header to fill * * RETURN: Status and pointer to mapped table header @@ -382,8 +333,8 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id) * * FUNCTION: acpi_get_table_with_size * - * PARAMETERS: Signature - ACPI signature of needed table - * Instance - Which instance (for SSDTs) + * PARAMETERS: signature - ACPI signature of needed table + * instance - Which instance (for SSDTs) * out_table - Where the pointer to the table is returned * * RETURN: Status and pointer to table @@ -453,7 +404,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table) * FUNCTION: acpi_get_table_by_index * * PARAMETERS: table_index - Table index - * Table - Where the pointer to the table is returned + * table - Where the pointer to the table is returned * * RETURN: Status and pointer to the table * @@ -502,157 +453,13 @@ acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table) ACPI_EXPORT_SYMBOL(acpi_get_table_by_index) -/******************************************************************************* - * - * FUNCTION: acpi_tb_load_namespace - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in - * the RSDT/XSDT. - * - ******************************************************************************/ -static acpi_status acpi_tb_load_namespace(void) -{ - acpi_status status; - u32 i; - struct acpi_table_header *new_dsdt; - - ACPI_FUNCTION_TRACE(tb_load_namespace); - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - - /* - * Load the namespace. The DSDT is required, but any SSDT and - * PSDT tables are optional. Verify the DSDT. - */ - if (!acpi_gbl_root_table_list.current_table_count || - !ACPI_COMPARE_NAME(& - (acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT].signature), - ACPI_SIG_DSDT) - || - ACPI_FAILURE(acpi_tb_verify_table - (&acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT]))) { - status = AE_NO_ACPI_TABLES; - goto unlock_and_exit; - } - - /* - * Save the DSDT pointer for simple access. This is the mapped memory - * address. We must take care here because the address of the .Tables - * array can change dynamically as tables are loaded at run-time. Note: - * .Pointer field is not validated until after call to acpi_tb_verify_table. - */ - acpi_gbl_DSDT = - acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer; - - /* - * Optionally copy the entire DSDT to local memory (instead of simply - * mapping it.) There are some BIOSs that corrupt or replace the original - * DSDT, creating the need for this option. Default is FALSE, do not copy - * the DSDT. - */ - if (acpi_gbl_copy_dsdt_locally) { - new_dsdt = acpi_tb_copy_dsdt(ACPI_TABLE_INDEX_DSDT); - if (new_dsdt) { - acpi_gbl_DSDT = new_dsdt; - } - } - - /* - * Save the original DSDT header for detection of table corruption - * and/or replacement of the DSDT from outside the OS. - */ - ACPI_MEMCPY(&acpi_gbl_original_dsdt_header, acpi_gbl_DSDT, - sizeof(struct acpi_table_header)); - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - - /* Load and parse tables */ - - status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ - - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) { - if ((!ACPI_COMPARE_NAME - (&(acpi_gbl_root_table_list.tables[i].signature), - ACPI_SIG_SSDT) - && - !ACPI_COMPARE_NAME(& - (acpi_gbl_root_table_list.tables[i]. - signature), ACPI_SIG_PSDT)) - || - ACPI_FAILURE(acpi_tb_verify_table - (&acpi_gbl_root_table_list.tables[i]))) { - continue; - } - - if (no_auto_ssdt) { - printk(KERN_WARNING "ACPI: SSDT ignored due to \"acpi_no_auto_ssdt\"\n"); - continue; - } - - /* Ignore errors while loading tables, get as many as possible */ - - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - (void)acpi_ns_load_table(i, acpi_gbl_root_node); - (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); - } - - ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); - - unlock_and_exit: - (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - return_ACPI_STATUS(status); -} - -/******************************************************************************* - * - * FUNCTION: acpi_load_tables - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT - * - ******************************************************************************/ - -acpi_status acpi_load_tables(void) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_load_tables); - - /* Load the namespace from the tables */ - - status = acpi_tb_load_namespace(); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While loading namespace from ACPI tables")); - } - - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_load_tables) - /******************************************************************************* * * FUNCTION: acpi_install_table_handler * - * PARAMETERS: Handler - Table event handler - * Context - Value passed to the handler on each event + * PARAMETERS: handler - Table event handler + * context - Value passed to the handler on each event * * RETURN: Status * @@ -698,7 +505,7 @@ ACPI_EXPORT_SYMBOL(acpi_install_table_handler) * * FUNCTION: acpi_remove_table_handler * - * PARAMETERS: Handler - Table event handler that was installed + * PARAMETERS: handler - Table event handler that was installed * previously. * * RETURN: Status @@ -734,15 +541,3 @@ acpi_status acpi_remove_table_handler(acpi_tbl_handler handler) } ACPI_EXPORT_SYMBOL(acpi_remove_table_handler) - - -static int __init acpi_no_auto_ssdt_setup(char *s) { - - printk(KERN_NOTICE "ACPI: SSDT auto-load disabled\n"); - - no_auto_ssdt = 1; - - return 1; -} - -__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup); diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c new file mode 100644 index 000000000000..f87cc63e69a1 --- /dev/null +++ b/drivers/acpi/acpica/tbxfload.c @@ -0,0 +1,389 @@ +/****************************************************************************** + * + * Module Name: tbxfload - Table load/unload external interfaces + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <linux/export.h> +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" +#include "actables.h" + +#define _COMPONENT ACPI_TABLES +ACPI_MODULE_NAME("tbxfload") + +/* Local prototypes */ +static acpi_status acpi_tb_load_namespace(void); + +static int no_auto_ssdt; + +/******************************************************************************* + * + * FUNCTION: acpi_load_tables + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Load the ACPI tables from the RSDT/XSDT + * + ******************************************************************************/ + +acpi_status acpi_load_tables(void) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_load_tables); + + /* Load the namespace from the tables */ + + status = acpi_tb_load_namespace(); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, + "While loading namespace from ACPI tables")); + } + + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_load_tables) + +/******************************************************************************* + * + * FUNCTION: acpi_tb_load_namespace + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Load the namespace from the DSDT and all SSDTs/PSDTs found in + * the RSDT/XSDT. + * + ******************************************************************************/ +static acpi_status acpi_tb_load_namespace(void) +{ + acpi_status status; + u32 i; + struct acpi_table_header *new_dsdt; + + ACPI_FUNCTION_TRACE(tb_load_namespace); + + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + + /* + * Load the namespace. The DSDT is required, but any SSDT and + * PSDT tables are optional. Verify the DSDT. + */ + if (!acpi_gbl_root_table_list.current_table_count || + !ACPI_COMPARE_NAME(& + (acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT].signature), + ACPI_SIG_DSDT) + || + ACPI_FAILURE(acpi_tb_verify_table + (&acpi_gbl_root_table_list. + tables[ACPI_TABLE_INDEX_DSDT]))) { + status = AE_NO_ACPI_TABLES; + goto unlock_and_exit; + } + + /* + * Save the DSDT pointer for simple access. This is the mapped memory + * address. We must take care here because the address of the .Tables + * array can change dynamically as tables are loaded at run-time. Note: + * .Pointer field is not validated until after call to acpi_tb_verify_table. + */ + acpi_gbl_DSDT = + acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer; + + /* + * Optionally copy the entire DSDT to local memory (instead of simply + * mapping it.) There are some BIOSs that corrupt or replace the original + * DSDT, creating the need for this option. Default is FALSE, do not copy + * the DSDT. + */ + if (acpi_gbl_copy_dsdt_locally) { + new_dsdt = acpi_tb_copy_dsdt(ACPI_TABLE_INDEX_DSDT); + if (new_dsdt) { + acpi_gbl_DSDT = new_dsdt; + } + } + + /* + * Save the original DSDT header for detection of table corruption + * and/or replacement of the DSDT from outside the OS. + */ + ACPI_MEMCPY(&acpi_gbl_original_dsdt_header, acpi_gbl_DSDT, + sizeof(struct acpi_table_header)); + + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + + /* Load and parse tables */ + + status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ + + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + for (i = 0; i < acpi_gbl_root_table_list.current_table_count; ++i) { + if ((!ACPI_COMPARE_NAME + (&(acpi_gbl_root_table_list.tables[i].signature), + ACPI_SIG_SSDT) + && + !ACPI_COMPARE_NAME(& + (acpi_gbl_root_table_list.tables[i]. + signature), ACPI_SIG_PSDT)) + || + ACPI_FAILURE(acpi_tb_verify_table + (&acpi_gbl_root_table_list.tables[i]))) { + continue; + } + + if (no_auto_ssdt) { + printk(KERN_WARNING "ACPI: SSDT ignored due to \"acpi_no_auto_ssdt\"\n"); + continue; + } + + /* Ignore errors while loading tables, get as many as possible */ + + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + (void)acpi_ns_load_table(i, acpi_gbl_root_node); + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); + } + + ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); + + unlock_and_exit: + (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_load_table + * + * PARAMETERS: table - Pointer to a buffer containing the ACPI + * table to be loaded. + * + * RETURN: Status + * + * DESCRIPTION: Dynamically load an ACPI table from the caller's buffer. Must + * be a valid ACPI table with a valid ACPI table header. + * Note1: Mainly intended to support hotplug addition of SSDTs. + * Note2: Does not copy the incoming table. User is reponsible + * to ensure that the table is not deleted or unmapped. + * + ******************************************************************************/ + +acpi_status acpi_load_table(struct acpi_table_header *table) +{ + acpi_status status; + struct acpi_table_desc table_desc; + u32 table_index; + + ACPI_FUNCTION_TRACE(acpi_load_table); + + /* Parameter validation */ + + if (!table) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + /* Init local table descriptor */ + + ACPI_MEMSET(&table_desc, 0, sizeof(struct acpi_table_desc)); + table_desc.address = ACPI_PTR_TO_PHYSADDR(table); + table_desc.pointer = table; + table_desc.length = table->length; + table_desc.flags = ACPI_TABLE_ORIGIN_UNKNOWN; + + /* Must acquire the interpreter lock during this operation */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Install the table and load it into the namespace */ + + ACPI_INFO((AE_INFO, "Host-directed Dynamic ACPI Table Load:")); + status = acpi_tb_add_table(&table_desc, &table_index); + if (ACPI_FAILURE(status)) { + goto unlock_and_exit; + } + + status = acpi_ns_load_table(table_index, acpi_gbl_root_node); + + /* Invoke table handler if present */ + + if (acpi_gbl_table_handler) { + (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_LOAD, table, + acpi_gbl_table_handler_context); + } + + unlock_and_exit: + (void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_load_table) + +/******************************************************************************* + * + * FUNCTION: acpi_unload_parent_table + * + * PARAMETERS: object - Handle to any namespace object owned by + * the table to be unloaded + * + * RETURN: Status + * + * DESCRIPTION: Via any namespace object within an SSDT or OEMx table, unloads + * the table and deletes all namespace objects associated with + * that table. Unloading of the DSDT is not allowed. + * Note: Mainly intended to support hotplug removal of SSDTs. + * + ******************************************************************************/ +acpi_status acpi_unload_parent_table(acpi_handle object) +{ + struct acpi_namespace_node *node = + ACPI_CAST_PTR(struct acpi_namespace_node, object); + acpi_status status = AE_NOT_EXIST; + acpi_owner_id owner_id; + u32 i; + + ACPI_FUNCTION_TRACE(acpi_unload_parent_table); + + /* Parameter validation */ + + if (!object) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + /* + * The node owner_id is currently the same as the parent table ID. + * However, this could change in the future. + */ + owner_id = node->owner_id; + if (!owner_id) { + + /* owner_id==0 means DSDT is the owner. DSDT cannot be unloaded */ + + return_ACPI_STATUS(AE_TYPE); + } + + /* Must acquire the interpreter lock during this operation */ + + status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Find the table in the global table list */ + + for (i = 0; i < acpi_gbl_root_table_list.current_table_count; i++) { + if (owner_id != acpi_gbl_root_table_list.tables[i].owner_id) { + continue; + } + + /* + * Allow unload of SSDT and OEMx tables only. Do not allow unload + * of the DSDT. No other types of tables should get here, since + * only these types can contain AML and thus are the only types + * that can create namespace objects. + */ + if (ACPI_COMPARE_NAME + (acpi_gbl_root_table_list.tables[i].signature.ascii, + ACPI_SIG_DSDT)) { + status = AE_TYPE; + break; + } + + /* Ensure the table is actually loaded */ + + if (!acpi_tb_is_table_loaded(i)) { + status = AE_NOT_EXIST; + break; + } + + /* Invoke table handler if present */ + + if (acpi_gbl_table_handler) { + (void)acpi_gbl_table_handler(ACPI_TABLE_EVENT_UNLOAD, + acpi_gbl_root_table_list. + tables[i].pointer, + acpi_gbl_table_handler_context); + } + + /* + * Delete all namespace objects owned by this table. Note that + * these objects can appear anywhere in the namespace by virtue + * of the AML "Scope" operator. Thus, we need to track ownership + * by an ID, not simply a position within the hierarchy. + */ + status = acpi_tb_delete_namespace_by_owner(i); + if (ACPI_FAILURE(status)) { + break; + } + + status = acpi_tb_release_owner_id(i); + acpi_tb_set_table_loaded_flag(i, FALSE); + break; + } + + (void)acpi_ut_release_mutex(ACPI_MTX_INTERPRETER); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_unload_parent_table) + +static int __init acpi_no_auto_ssdt_setup(char *s) { + + printk(KERN_NOTICE "ACPI: SSDT auto-load disabled\n"); + + no_auto_ssdt = 1; + + return 1; +} + +__setup("acpi_no_auto_ssdt", acpi_no_auto_ssdt_setup); diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index 4258f647ca3d..74e720800037 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -57,7 +57,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); * * FUNCTION: acpi_tb_validate_rsdp * - * PARAMETERS: Rsdp - Pointer to unvalidated RSDP + * PARAMETERS: rsdp - Pointer to unvalidated RSDP * * RETURN: Status * @@ -107,10 +107,10 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) * * RETURN: Status, RSDP physical address * - * DESCRIPTION: Search lower 1_mbyte of memory for the root system descriptor + * DESCRIPTION: Search lower 1Mbyte of memory for the root system descriptor * pointer structure. If it is found, set *RSDP to point to it. * - * NOTE1: The RSDP must be either in the first 1_k of the Extended + * NOTE1: The RSDP must be either in the first 1K of the Extended * BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.) * Only a 32-bit physical address is necessary. * @@ -152,7 +152,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address) if (physical_address > 0x400) { /* * 1b) Search EBDA paragraphs (EBDA is required to be a - * minimum of 1_k length) + * minimum of 1K length) */ table_ptr = acpi_os_map_memory((acpi_physical_address) physical_address, @@ -216,7 +216,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address) /* A valid RSDP was not found */ - ACPI_ERROR((AE_INFO, "A valid RSDP was not found")); + ACPI_BIOS_ERROR((AE_INFO, "A valid RSDP was not found")); return_ACPI_STATUS(AE_NOT_FOUND); } @@ -225,7 +225,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address) * FUNCTION: acpi_tb_scan_memory_for_rsdp * * PARAMETERS: start_address - Starting pointer for search - * Length - Maximum length to search + * length - Maximum length to search * * RETURN: Pointer to the RSDP if found, otherwise NULL. * diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c index 67932aebe6dd..64880306133d 100644 --- a/drivers/acpi/acpica/utaddress.c +++ b/drivers/acpi/acpica/utaddress.c @@ -53,8 +53,8 @@ ACPI_MODULE_NAME("utaddress") * FUNCTION: acpi_ut_add_address_range * * PARAMETERS: space_id - Address space ID - * Address - op_region start address - * Length - op_region length + * address - op_region start address + * length - op_region length * region_node - op_region namespace node * * RETURN: Status @@ -186,9 +186,9 @@ acpi_ut_remove_address_range(acpi_adr_space_type space_id, * FUNCTION: acpi_ut_check_address_range * * PARAMETERS: space_id - Address space ID - * Address - Start address - * Length - Length of address range - * Warn - TRUE if warning on overlap desired + * address - Start address + * length - Length of address range + * warn - TRUE if warning on overlap desired * * RETURN: Count of the number of conflicts detected. Zero is always * returned for Space IDs other than Memory or I/O. diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c index 9982d2ea66fb..ed29d474095e 100644 --- a/drivers/acpi/acpica/utalloc.c +++ b/drivers/acpi/acpica/utalloc.c @@ -189,7 +189,7 @@ acpi_status acpi_ut_delete_caches(void) * * FUNCTION: acpi_ut_validate_buffer * - * PARAMETERS: Buffer - Buffer descriptor to be validated + * PARAMETERS: buffer - Buffer descriptor to be validated * * RETURN: Status * @@ -227,7 +227,7 @@ acpi_status acpi_ut_validate_buffer(struct acpi_buffer * buffer) * * FUNCTION: acpi_ut_initialize_buffer * - * PARAMETERS: Buffer - Buffer to be validated + * PARAMETERS: buffer - Buffer to be validated * required_length - Length needed * * RETURN: Status @@ -308,10 +308,10 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer, * * FUNCTION: acpi_ut_allocate * - * PARAMETERS: Size - Size of the allocation - * Component - Component type of caller - * Module - Source file name of caller - * Line - Line number of caller + * PARAMETERS: size - Size of the allocation + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller * * RETURN: Address of the allocated memory on success, NULL on failure. * @@ -352,10 +352,10 @@ void *acpi_ut_allocate(acpi_size size, * * FUNCTION: acpi_ut_allocate_zeroed * - * PARAMETERS: Size - Size of the allocation - * Component - Component type of caller - * Module - Source file name of caller - * Line - Line number of caller + * PARAMETERS: size - Size of the allocation + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller * * RETURN: Address of the allocated memory on success, NULL on failure. * diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index 3317c0a406ee..294692ae76e9 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -317,7 +317,7 @@ acpi_ut_copy_ielement_to_eelement(u8 object_type, * FUNCTION: acpi_ut_copy_ipackage_to_epackage * * PARAMETERS: internal_object - Pointer to the object we are returning - * Buffer - Where the object is returned + * buffer - Where the object is returned * space_used - Where the object length is returned * * RETURN: Status diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index a0998a886318..e810894149ae 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -145,7 +145,7 @@ static const char *acpi_ut_trim_function_name(const char *function_name) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Format - Printf format field + * format - Printf format field * ... - Optional printf arguments * * RETURN: None @@ -217,7 +217,7 @@ ACPI_EXPORT_SYMBOL(acpi_debug_print) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Format - Printf format field + * format - Printf format field * ... - Optional printf arguments * * RETURN: None @@ -286,7 +286,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Pointer - Pointer to display + * pointer - Pointer to display * * RETURN: None * @@ -315,7 +315,7 @@ acpi_ut_trace_ptr(u32 line_number, * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * String - Additional string to display + * string - Additional string to display * * RETURN: None * @@ -346,7 +346,7 @@ acpi_ut_trace_str(u32 line_number, * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Integer - Integer to display + * integer - Integer to display * * RETURN: None * @@ -408,7 +408,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_exit) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Status - Exit status code + * status - Exit status code * * RETURN: None * @@ -449,7 +449,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_status_exit) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Value - Value to be printed with exit msg + * value - Value to be printed with exit msg * * RETURN: None * @@ -481,7 +481,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_value_exit) * function_name - Caller's procedure name * module_name - Caller's module name * component_id - Caller's component ID - * Ptr - Pointer to display + * ptr - Pointer to display * * RETURN: None * @@ -508,10 +508,10 @@ acpi_ut_ptr_exit(u32 line_number, * * FUNCTION: acpi_ut_dump_buffer * - * PARAMETERS: Buffer - Buffer to dump - * Count - Amount to dump, in bytes - * Display - BYTE, WORD, DWORD, or QWORD display - * component_iD - Caller's component ID + * PARAMETERS: buffer - Buffer to dump + * count - Amount to dump, in bytes + * display - BYTE, WORD, DWORD, or QWORD display + * component_ID - Caller's component ID * * RETURN: None * @@ -625,10 +625,10 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) * * FUNCTION: acpi_ut_dump_buffer * - * PARAMETERS: Buffer - Buffer to dump - * Count - Amount to dump, in bytes - * Display - BYTE, WORD, DWORD, or QWORD display - * component_iD - Caller's component ID + * PARAMETERS: buffer - Buffer to dump + * count - Amount to dump, in bytes + * display - BYTE, WORD, DWORD, or QWORD display + * component_ID - Caller's component ID * * RETURN: None * diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index 684849949bf3..60a158472d82 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -49,41 +49,6 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utdecode") -/******************************************************************************* - * - * FUNCTION: acpi_format_exception - * - * PARAMETERS: Status - The acpi_status code to be formatted - * - * RETURN: A string containing the exception text. A valid pointer is - * always returned. - * - * DESCRIPTION: This function translates an ACPI exception into an ASCII string - * It is here instead of utxface.c so it is always present. - * - ******************************************************************************/ -const char *acpi_format_exception(acpi_status status) -{ - const char *exception = NULL; - - ACPI_FUNCTION_ENTRY(); - - exception = acpi_ut_validate_exception(status); - if (!exception) { - - /* Exception code was not recognized */ - - ACPI_ERROR((AE_INFO, - "Unknown exception code: 0x%8.8X", status)); - - exception = "UNKNOWN_STATUS_CODE"; - } - - return (ACPI_CAST_PTR(const char, exception)); -} - -ACPI_EXPORT_SYMBOL(acpi_format_exception) - /* * Properties of the ACPI Object Types, both internal and external. * The table is indexed by values of acpi_object_type @@ -126,8 +91,8 @@ const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES] = { * * FUNCTION: acpi_ut_hex_to_ascii_char * - * PARAMETERS: Integer - Contains the hex digit - * Position - bit position of the digit within the + * PARAMETERS: integer - Contains the hex digit + * position - bit position of the digit within the * integer (multiple of 4) * * RETURN: The converted Ascii character @@ -164,16 +129,17 @@ char acpi_ut_hex_to_ascii_char(u64 integer, u32 position) /* Region type decoding */ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { - "SystemMemory", - "SystemIO", - "PCI_Config", - "EmbeddedControl", - "SMBus", - "SystemCMOS", - "PCIBARTarget", - "IPMI", - "GeneralPurposeIo", - "GenericSerialBus" + "SystemMemory", /* 0x00 */ + "SystemIO", /* 0x01 */ + "PCI_Config", /* 0x02 */ + "EmbeddedControl", /* 0x03 */ + "SMBus", /* 0x04 */ + "SystemCMOS", /* 0x05 */ + "PCIBARTarget", /* 0x06 */ + "IPMI", /* 0x07 */ + "GeneralPurposeIo", /* 0x08 */ + "GenericSerialBus", /* 0x09 */ + "PCC" /* 0x0A */ }; char *acpi_ut_get_region_name(u8 space_id) @@ -228,7 +194,7 @@ char *acpi_ut_get_event_name(u32 event_id) * * FUNCTION: acpi_ut_get_type_name * - * PARAMETERS: Type - An ACPI object type + * PARAMETERS: type - An ACPI object type * * RETURN: Decoded ACPI object type name * @@ -306,7 +272,7 @@ char *acpi_ut_get_object_type_name(union acpi_operand_object *obj_desc) * * FUNCTION: acpi_ut_get_node_name * - * PARAMETERS: Object - A namespace node + * PARAMETERS: object - A namespace node * * RETURN: ASCII name of the node * @@ -351,7 +317,7 @@ char *acpi_ut_get_node_name(void *object) * * FUNCTION: acpi_ut_get_descriptor_name * - * PARAMETERS: Object - An ACPI object + * PARAMETERS: object - An ACPI object * * RETURN: Decoded name of the descriptor type * @@ -401,7 +367,7 @@ char *acpi_ut_get_descriptor_name(void *object) * * FUNCTION: acpi_ut_get_reference_name * - * PARAMETERS: Object - An ACPI reference object + * PARAMETERS: object - An ACPI reference object * * RETURN: Decoded name of the type of reference * @@ -532,7 +498,7 @@ const char *acpi_ut_get_notify_name(u32 notify_value) * * FUNCTION: acpi_ut_valid_object_type * - * PARAMETERS: Type - Object type to be validated + * PARAMETERS: type - Object type to be validated * * RETURN: TRUE if valid object type, FALSE otherwise * diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 2a6c3e183697..798105443d0f 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -60,7 +60,7 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action); * * FUNCTION: acpi_ut_delete_internal_obj * - * PARAMETERS: Object - Object to be deleted + * PARAMETERS: object - Object to be deleted * * RETURN: None * @@ -152,7 +152,7 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) case ACPI_TYPE_PROCESSOR: case ACPI_TYPE_THERMAL: - /* Walk the notify handler list for this object */ + /* Walk the address handler list for this object */ handler_desc = object->common_notify.handler; while (handler_desc) { @@ -358,8 +358,8 @@ void acpi_ut_delete_internal_object_list(union acpi_operand_object **obj_list) * * FUNCTION: acpi_ut_update_ref_count * - * PARAMETERS: Object - Object whose ref count is to be updated - * Action - What to do + * PARAMETERS: object - Object whose ref count is to be updated + * action - What to do * * RETURN: New ref count * @@ -456,9 +456,9 @@ acpi_ut_update_ref_count(union acpi_operand_object *object, u32 action) * * FUNCTION: acpi_ut_update_object_reference * - * PARAMETERS: Object - Increment ref count for this object + * PARAMETERS: object - Increment ref count for this object * and all sub-objects - * Action - Either REF_INCREMENT or REF_DECREMENT or + * action - Either REF_INCREMENT or REF_DECREMENT or * REF_FORCE_DELETE * * RETURN: Status @@ -480,6 +480,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) acpi_status status = AE_OK; union acpi_generic_state *state_list = NULL; union acpi_operand_object *next_object = NULL; + union acpi_operand_object *prev_object; union acpi_generic_state *state; u32 i; @@ -505,12 +506,21 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) case ACPI_TYPE_POWER: case ACPI_TYPE_THERMAL: - /* Update the notify objects for these types (if present) */ - - acpi_ut_update_ref_count(object->common_notify. - system_notify, action); - acpi_ut_update_ref_count(object->common_notify. - device_notify, action); + /* + * Update the notify objects for these types (if present) + * Two lists, system and device notify handlers. + */ + for (i = 0; i < ACPI_NUM_NOTIFY_TYPES; i++) { + prev_object = + object->common_notify.notify_list[i]; + while (prev_object) { + next_object = + prev_object->notify.next[i]; + acpi_ut_update_ref_count(prev_object, + action); + prev_object = next_object; + } + } break; case ACPI_TYPE_PACKAGE: @@ -630,7 +640,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action) * * FUNCTION: acpi_ut_add_reference * - * PARAMETERS: Object - Object whose reference count is to be + * PARAMETERS: object - Object whose reference count is to be * incremented * * RETURN: None @@ -664,7 +674,7 @@ void acpi_ut_add_reference(union acpi_operand_object *object) * * FUNCTION: acpi_ut_remove_reference * - * PARAMETERS: Object - Object whose ref count will be decremented + * PARAMETERS: object - Object whose ref count will be decremented * * RETURN: None * diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index 479f32b33415..a9c65fbea5f4 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("uteval") * FUNCTION: acpi_ut_evaluate_object * * PARAMETERS: prefix_node - Starting node - * Path - Path to object from starting node + * path - Path to object from starting node * expected_return_types - Bitmap of allowed return types * return_desc - Where a return value is stored * @@ -187,7 +187,7 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node, * * PARAMETERS: object_name - Object name to be evaluated * device_node - Node for the device - * Value - Where the value is returned + * value - Where the value is returned * * RETURN: Status * @@ -229,7 +229,7 @@ acpi_ut_evaluate_numeric_object(char *object_name, * FUNCTION: acpi_ut_execute_STA * * PARAMETERS: device_node - Node for the device - * Flags - Where the status flags are returned + * flags - Where the status flags are returned * * RETURN: Status * diff --git a/drivers/acpi/acpica/utexcep.c b/drivers/acpi/acpica/utexcep.c new file mode 100644 index 000000000000..23b98945f6b7 --- /dev/null +++ b/drivers/acpi/acpica/utexcep.c @@ -0,0 +1,153 @@ +/******************************************************************************* + * + * Module Name: utexcep - Exception code support + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#define ACPI_DEFINE_EXCEPTION_TABLE +#include <linux/export.h> +#include <acpi/acpi.h> +#include "accommon.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utexcep") + +/******************************************************************************* + * + * FUNCTION: acpi_format_exception + * + * PARAMETERS: status - The acpi_status code to be formatted + * + * RETURN: A string containing the exception text. A valid pointer is + * always returned. + * + * DESCRIPTION: This function translates an ACPI exception into an ASCII + * string. Returns "unknown status" string for invalid codes. + * + ******************************************************************************/ +const char *acpi_format_exception(acpi_status status) +{ + const char *exception = NULL; + + ACPI_FUNCTION_ENTRY(); + + exception = acpi_ut_validate_exception(status); + if (!exception) { + + /* Exception code was not recognized */ + + ACPI_ERROR((AE_INFO, + "Unknown exception code: 0x%8.8X", status)); + + exception = "UNKNOWN_STATUS_CODE"; + } + + return (ACPI_CAST_PTR(const char, exception)); +} + +ACPI_EXPORT_SYMBOL(acpi_format_exception) + +/******************************************************************************* + * + * FUNCTION: acpi_ut_validate_exception + * + * PARAMETERS: status - The acpi_status code to be formatted + * + * RETURN: A string containing the exception text. NULL if exception is + * not valid. + * + * DESCRIPTION: This function validates and translates an ACPI exception into + * an ASCII string. + * + ******************************************************************************/ +const char *acpi_ut_validate_exception(acpi_status status) +{ + u32 sub_status; + const char *exception = NULL; + + ACPI_FUNCTION_ENTRY(); + + /* + * Status is composed of two parts, a "type" and an actual code + */ + sub_status = (status & ~AE_CODE_MASK); + + switch (status & AE_CODE_MASK) { + case AE_CODE_ENVIRONMENTAL: + + if (sub_status <= AE_CODE_ENV_MAX) { + exception = acpi_gbl_exception_names_env[sub_status]; + } + break; + + case AE_CODE_PROGRAMMER: + + if (sub_status <= AE_CODE_PGM_MAX) { + 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]; + } + break; + + case AE_CODE_AML: + + if (sub_status <= AE_CODE_AML_MAX) { + 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]; + } + break; + + default: + break; + } + + return (ACPI_CAST_PTR(const char, exception)); +} diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index 90f53b42eca9..ed1893155f8b 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -247,8 +247,9 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = * * RETURN: Status * - * DESCRIPTION: Init library globals. All globals that require specific - * initialization should be initialized here! + * DESCRIPTION: Initialize ACPICA globals. All globals that require specific + * initialization should be initialized here. This allows for + * a warm restart. * ******************************************************************************/ @@ -284,7 +285,7 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_owner_id_mask[i] = 0; } - /* Last owner_iD is never valid */ + /* Last owner_ID is never valid */ acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; @@ -304,8 +305,8 @@ acpi_status acpi_ut_init_globals(void) /* Global handlers */ - acpi_gbl_system_notify.handler = NULL; - acpi_gbl_device_notify.handler = NULL; + acpi_gbl_global_notify[0].handler = NULL; + acpi_gbl_global_notify[1].handler = NULL; acpi_gbl_exception_handler = NULL; acpi_gbl_init_handler = NULL; acpi_gbl_table_handler = NULL; diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index c92eb1d93785..5d84e1954575 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -1,6 +1,6 @@ /****************************************************************************** * - * Module Name: utids - support for device IDs - HID, UID, CID + * Module Name: utids - support for device Ids - HID, UID, CID * *****************************************************************************/ diff --git a/drivers/acpi/acpica/utlock.c b/drivers/acpi/acpica/utlock.c index 155fd786d0f2..b1eb7f17e110 100644 --- a/drivers/acpi/acpica/utlock.c +++ b/drivers/acpi/acpica/utlock.c @@ -52,7 +52,7 @@ ACPI_MODULE_NAME("utlock") * FUNCTION: acpi_ut_create_rw_lock * acpi_ut_delete_rw_lock * - * PARAMETERS: Lock - Pointer to a valid RW lock + * PARAMETERS: lock - Pointer to a valid RW lock * * RETURN: Status * @@ -89,7 +89,7 @@ void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock) * FUNCTION: acpi_ut_acquire_read_lock * acpi_ut_release_read_lock * - * PARAMETERS: Lock - Pointer to a valid RW lock + * PARAMETERS: lock - Pointer to a valid RW lock * * RETURN: Status * @@ -149,7 +149,7 @@ acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock) * FUNCTION: acpi_ut_acquire_write_lock * acpi_ut_release_write_lock * - * PARAMETERS: Lock - Pointer to a valid RW lock + * PARAMETERS: lock - Pointer to a valid RW lock * * RETURN: Status * diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c index 2491a552b0e6..d88a8aaab2a6 100644 --- a/drivers/acpi/acpica/utmath.c +++ b/drivers/acpi/acpica/utmath.c @@ -73,8 +73,8 @@ typedef union uint64_overlay { * * FUNCTION: acpi_ut_short_divide * - * PARAMETERS: Dividend - 64-bit dividend - * Divisor - 32-bit divisor + * PARAMETERS: dividend - 64-bit dividend + * divisor - 32-bit divisor * out_quotient - Pointer to where the quotient is returned * out_remainder - Pointer to where the remainder is returned * diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index 86f19db74e05..33c6cf7ff467 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -50,79 +50,41 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utmisc") +#if defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP /******************************************************************************* * - * FUNCTION: acpi_ut_validate_exception + * FUNCTION: ut_convert_backslashes * - * PARAMETERS: Status - The acpi_status code to be formatted + * PARAMETERS: pathname - File pathname string to be converted * - * RETURN: A string containing the exception text. NULL if exception is - * not valid. + * RETURN: Modifies the input Pathname * - * DESCRIPTION: This function validates and translates an ACPI exception into - * an ASCII string. + * DESCRIPTION: Convert all backslashes (0x5C) to forward slashes (0x2F) within + * the entire input file pathname string. * ******************************************************************************/ -const char *acpi_ut_validate_exception(acpi_status status) +void ut_convert_backslashes(char *pathname) { - u32 sub_status; - const char *exception = NULL; - ACPI_FUNCTION_ENTRY(); - - /* - * Status is composed of two parts, a "type" and an actual code - */ - sub_status = (status & ~AE_CODE_MASK); - - switch (status & AE_CODE_MASK) { - case AE_CODE_ENVIRONMENTAL: - - if (sub_status <= AE_CODE_ENV_MAX) { - exception = acpi_gbl_exception_names_env[sub_status]; - } - break; - - case AE_CODE_PROGRAMMER: - - if (sub_status <= AE_CODE_PGM_MAX) { - 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]; - } - break; - - case AE_CODE_AML: - - if (sub_status <= AE_CODE_AML_MAX) { - exception = acpi_gbl_exception_names_aml[sub_status]; - } - break; - - case AE_CODE_CONTROL: + if (!pathname) { + return; + } - if (sub_status <= AE_CODE_CTRL_MAX) { - exception = acpi_gbl_exception_names_ctrl[sub_status]; + while (*pathname) { + if (*pathname == '\\') { + *pathname = '/'; } - break; - default: - break; + pathname++; } - - return (ACPI_CAST_PTR(const char, exception)); } +#endif /******************************************************************************* * * FUNCTION: acpi_ut_is_pci_root_bridge * - * PARAMETERS: Id - The HID/CID in string format + * PARAMETERS: id - The HID/CID in string format * * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge * @@ -150,7 +112,7 @@ u8 acpi_ut_is_pci_root_bridge(char *id) * * FUNCTION: acpi_ut_is_aml_table * - * PARAMETERS: Table - An ACPI table + * PARAMETERS: table - An ACPI table * * RETURN: TRUE if table contains executable AML; FALSE otherwise * @@ -284,7 +246,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) * * FUNCTION: acpi_ut_release_owner_id * - * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_iD + * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_ID * * RETURN: None. No error is returned because we are either exiting a * control method or unloading a table. Either way, we would @@ -307,7 +269,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr) *owner_id_ptr = 0; - /* Zero is not a valid owner_iD */ + /* Zero is not a valid owner_ID */ if (owner_id == 0) { ACPI_ERROR((AE_INFO, "Invalid OwnerId: 0x%2.2X", owner_id)); @@ -381,7 +343,7 @@ void acpi_ut_strupr(char *src_string) * * FUNCTION: acpi_ut_print_string * - * PARAMETERS: String - Null terminated ASCII string + * PARAMETERS: string - Null terminated ASCII string * max_length - Maximum output length * * RETURN: None @@ -467,7 +429,7 @@ void acpi_ut_print_string(char *string, u8 max_length) * * FUNCTION: acpi_ut_dword_byte_swap * - * PARAMETERS: Value - Value to be converted + * PARAMETERS: value - Value to be converted * * RETURN: u32 integer with bytes swapped * @@ -537,9 +499,9 @@ void acpi_ut_set_integer_width(u8 revision) * * FUNCTION: acpi_ut_display_init_pathname * - * PARAMETERS: Type - Object type of the node + * PARAMETERS: type - Object type of the node * obj_handle - Handle whose pathname will be displayed - * Path - Additional path string to be appended. + * path - Additional path string to be appended. * (NULL if no extra path) * * RETURN: acpi_status @@ -604,8 +566,8 @@ acpi_ut_display_init_pathname(u8 type, * * FUNCTION: acpi_ut_valid_acpi_char * - * PARAMETERS: Char - The character to be examined - * Position - Byte position (0-3) + * PARAMETERS: char - The character to be examined + * position - Byte position (0-3) * * RETURN: TRUE if the character is valid, FALSE otherwise * @@ -640,7 +602,7 @@ u8 acpi_ut_valid_acpi_char(char character, u32 position) * * FUNCTION: acpi_ut_valid_acpi_name * - * PARAMETERS: Name - The name to be examined + * PARAMETERS: name - The name to be examined * * RETURN: TRUE if the name is valid, FALSE otherwise * @@ -671,7 +633,7 @@ u8 acpi_ut_valid_acpi_name(u32 name) * * FUNCTION: acpi_ut_repair_name * - * PARAMETERS: Name - The ACPI name to be repaired + * PARAMETERS: name - The ACPI name to be repaired * * RETURN: Repaired version of the name * @@ -705,8 +667,8 @@ acpi_name acpi_ut_repair_name(char *name) * * FUNCTION: acpi_ut_strtoul64 * - * PARAMETERS: String - Null terminated string - * Base - Radix of the string: 16 or ACPI_ANY_BASE; + * PARAMETERS: string - Null terminated string + * base - Radix of the string: 16 or ACPI_ANY_BASE; * ACPI_ANY_BASE means 'in behalf of to_integer' * ret_integer - Where the converted integer is returned * @@ -755,7 +717,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer) if (to_integer_op) { /* - * Base equal to ACPI_ANY_BASE means 'to_integer operation case'. + * Base equal to ACPI_ANY_BASE means 'ToInteger operation case'. * We need to determine if it is decimal or hexadecimal. */ if ((*string == '0') && (ACPI_TOLOWER(*(string + 1)) == 'x')) { @@ -878,8 +840,8 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer) * * FUNCTION: acpi_ut_create_update_state_and_push * - * PARAMETERS: Object - Object to be added to the new state - * Action - Increment/Decrement + * PARAMETERS: object - Object to be added to the new state + * action - Increment/Decrement * state_list - List the state will be added to * * RETURN: Status @@ -919,7 +881,7 @@ acpi_ut_create_update_state_and_push(union acpi_operand_object *object, * PARAMETERS: source_object - The package to walk * target_object - Target object (if package is being copied) * walk_callback - Called once for each package element - * Context - Passed to the callback function + * context - Passed to the callback function * * RETURN: Status * diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index 43174df33121..296baa676bc5 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -147,7 +147,7 @@ void acpi_ut_mutex_terminate(void) * * FUNCTION: acpi_ut_create_mutex * - * PARAMETERS: mutex_iD - ID of the mutex to be created + * PARAMETERS: mutex_ID - ID of the mutex to be created * * RETURN: Status * @@ -176,7 +176,7 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id) * * FUNCTION: acpi_ut_delete_mutex * - * PARAMETERS: mutex_iD - ID of the mutex to be deleted + * PARAMETERS: mutex_ID - ID of the mutex to be deleted * * RETURN: Status * @@ -199,7 +199,7 @@ static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id) * * FUNCTION: acpi_ut_acquire_mutex * - * PARAMETERS: mutex_iD - ID of the mutex to be acquired + * PARAMETERS: mutex_ID - ID of the mutex to be acquired * * RETURN: Status * @@ -283,7 +283,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) * * FUNCTION: acpi_ut_release_mutex * - * PARAMETERS: mutex_iD - ID of the mutex to be released + * PARAMETERS: mutex_ID - ID of the mutex to be released * * RETURN: Status * diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index b112744fc9ae..655f0799a391 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -69,7 +69,7 @@ acpi_ut_get_element_length(u8 object_type, * PARAMETERS: module_name - Source file name of caller * line_number - Line number of caller * component_id - Component type of caller - * Type - ACPI Type of the new object + * type - ACPI Type of the new object * * RETURN: A new internal object, null on failure * @@ -150,7 +150,7 @@ union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char * * FUNCTION: acpi_ut_create_package_object * - * PARAMETERS: Count - Number of package elements + * PARAMETERS: count - Number of package elements * * RETURN: Pointer to a new Package object, null on failure * @@ -323,11 +323,11 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size) * * FUNCTION: acpi_ut_valid_internal_object * - * PARAMETERS: Object - Object to be validated + * PARAMETERS: object - Object to be validated * * RETURN: TRUE if object is valid, FALSE otherwise * - * DESCRIPTION: Validate a pointer to be a union acpi_operand_object + * DESCRIPTION: Validate a pointer to be of type union acpi_operand_object * ******************************************************************************/ @@ -348,7 +348,7 @@ u8 acpi_ut_valid_internal_object(void *object) switch (ACPI_GET_DESCRIPTOR_TYPE(object)) { case ACPI_DESC_TYPE_OPERAND: - /* The object appears to be a valid union acpi_operand_object */ + /* The object appears to be a valid union acpi_operand_object */ return (TRUE); @@ -407,7 +407,7 @@ void *acpi_ut_allocate_object_desc_dbg(const char *module_name, * * FUNCTION: acpi_ut_delete_object_desc * - * PARAMETERS: Object - An Acpi internal object to be deleted + * PARAMETERS: object - An Acpi internal object to be deleted * * RETURN: None. * @@ -419,7 +419,7 @@ void acpi_ut_delete_object_desc(union acpi_operand_object *object) { ACPI_FUNCTION_TRACE_PTR(ut_delete_object_desc, object); - /* Object must be a union acpi_operand_object */ + /* Object must be a union acpi_operand_object */ if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) { ACPI_ERROR((AE_INFO, diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index 2360cf70c18c..34ef0bd7e4b4 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -68,7 +68,7 @@ static struct acpi_interface_info acpi_default_supported_interfaces[] = { {"Windows 2001.1", NULL, 0, ACPI_OSI_WINSRV_2003}, /* Windows Server 2003 */ {"Windows 2001 SP2", NULL, 0, ACPI_OSI_WIN_XP_SP2}, /* Windows XP SP2 */ {"Windows 2001.1 SP1", NULL, 0, ACPI_OSI_WINSRV_2003_SP1}, /* Windows Server 2003 SP1 - Added 03/2006 */ - {"Windows 2006", NULL, 0, ACPI_OSI_WIN_VISTA}, /* Windows Vista - Added 03/2006 */ + {"Windows 2006", NULL, 0, ACPI_OSI_WIN_VISTA}, /* Windows vista - Added 03/2006 */ {"Windows 2006.1", NULL, 0, ACPI_OSI_WINSRV_2008}, /* Windows Server 2008 - Added 09/2009 */ {"Windows 2006 SP1", NULL, 0, ACPI_OSI_WIN_VISTA_SP1}, /* Windows Vista SP1 - Added 09/2009 */ {"Windows 2006 SP2", NULL, 0, ACPI_OSI_WIN_VISTA_SP2}, /* Windows Vista SP2 - Added 09/2010 */ diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index 9d441ea70305..e38bef4980bc 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -356,13 +356,13 @@ static const u8 acpi_gbl_resource_types[] = { ACPI_SMALL_VARIABLE_LENGTH, /* 06 start_dependent_functions */ ACPI_FIXED_LENGTH, /* 07 end_dependent_functions */ ACPI_FIXED_LENGTH, /* 08 IO */ - ACPI_FIXED_LENGTH, /* 09 fixed_iO */ - ACPI_FIXED_LENGTH, /* 0_a fixed_dMA */ + ACPI_FIXED_LENGTH, /* 09 fixed_IO */ + ACPI_FIXED_LENGTH, /* 0A fixed_DMA */ 0, 0, 0, - ACPI_VARIABLE_LENGTH, /* 0_e vendor_short */ - ACPI_FIXED_LENGTH, /* 0_f end_tag */ + ACPI_VARIABLE_LENGTH, /* 0E vendor_short */ + ACPI_FIXED_LENGTH, /* 0F end_tag */ /* Large descriptors */ @@ -375,16 +375,16 @@ static const u8 acpi_gbl_resource_types[] = { ACPI_FIXED_LENGTH, /* 06 memory32_fixed */ ACPI_VARIABLE_LENGTH, /* 07 Dword* address */ ACPI_VARIABLE_LENGTH, /* 08 Word* address */ - ACPI_VARIABLE_LENGTH, /* 09 extended_iRQ */ - ACPI_VARIABLE_LENGTH, /* 0_a Qword* address */ - ACPI_FIXED_LENGTH, /* 0_b Extended* address */ - ACPI_VARIABLE_LENGTH, /* 0_c Gpio* */ + ACPI_VARIABLE_LENGTH, /* 09 extended_IRQ */ + ACPI_VARIABLE_LENGTH, /* 0A Qword* address */ + ACPI_FIXED_LENGTH, /* 0B Extended* address */ + ACPI_VARIABLE_LENGTH, /* 0C Gpio* */ 0, - ACPI_VARIABLE_LENGTH /* 0_e *serial_bus */ + ACPI_VARIABLE_LENGTH /* 0E *serial_bus */ }; /* - * For the i_aSL compiler/disassembler, we don't want any error messages + * For the iASL compiler/disassembler, we don't want any error messages * because the disassembler uses the resource validation code to determine * if Buffer objects are actually Resource Templates. */ @@ -398,11 +398,11 @@ static const u8 acpi_gbl_resource_types[] = { * * FUNCTION: acpi_ut_walk_aml_resources * - * PARAMETERS: Aml - Pointer to the raw AML resource template + * PARAMETERS: aml - Pointer to the raw AML resource template * aml_length - Length of the entire template * user_function - Called once for each descriptor found. If * NULL, a pointer to the end_tag is returned - * Context - Passed to user_function + * context - Passed to user_function * * RETURN: Status * @@ -513,7 +513,7 @@ acpi_ut_walk_aml_resources(u8 * aml, * * FUNCTION: acpi_ut_validate_resource * - * PARAMETERS: Aml - Pointer to the raw AML resource descriptor + * PARAMETERS: aml - Pointer to the raw AML resource descriptor * return_index - Where the resource index is returned. NULL * if the index is not required. * @@ -664,7 +664,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) * * FUNCTION: acpi_ut_get_resource_type * - * PARAMETERS: Aml - Pointer to the raw AML resource descriptor + * PARAMETERS: aml - Pointer to the raw AML resource descriptor * * RETURN: The Resource Type with no extraneous bits (except the * Large/Small descriptor bit -- this is left alone) @@ -698,7 +698,7 @@ u8 acpi_ut_get_resource_type(void *aml) * * FUNCTION: acpi_ut_get_resource_length * - * PARAMETERS: Aml - Pointer to the raw AML resource descriptor + * PARAMETERS: aml - Pointer to the raw AML resource descriptor * * RETURN: Byte Length * @@ -738,7 +738,7 @@ u16 acpi_ut_get_resource_length(void *aml) * * FUNCTION: acpi_ut_get_resource_header_length * - * PARAMETERS: Aml - Pointer to the raw AML resource descriptor + * PARAMETERS: aml - Pointer to the raw AML resource descriptor * * RETURN: Length of the AML header (depends on large/small descriptor) * @@ -763,7 +763,7 @@ u8 acpi_ut_get_resource_header_length(void *aml) * * FUNCTION: acpi_ut_get_descriptor_length * - * PARAMETERS: Aml - Pointer to the raw AML resource descriptor + * PARAMETERS: aml - Pointer to the raw AML resource descriptor * * RETURN: Byte length * diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c index 4267477c2797..a1c988260073 100644 --- a/drivers/acpi/acpica/utstate.c +++ b/drivers/acpi/acpica/utstate.c @@ -51,8 +51,8 @@ ACPI_MODULE_NAME("utstate") * * FUNCTION: acpi_ut_create_pkg_state_and_push * - * PARAMETERS: Object - Object to be added to the new state - * Action - Increment/Decrement + * PARAMETERS: object - Object to be added to the new state + * action - Increment/Decrement * state_list - List the state will be added to * * RETURN: Status @@ -85,7 +85,7 @@ acpi_ut_create_pkg_state_and_push(void *internal_object, * FUNCTION: acpi_ut_push_generic_state * * PARAMETERS: list_head - Head of the state stack - * State - State object to push + * state - State object to push * * RETURN: None * @@ -214,8 +214,8 @@ struct acpi_thread_state *acpi_ut_create_thread_state(void) * * FUNCTION: acpi_ut_create_update_state * - * PARAMETERS: Object - Initial Object to be installed in the state - * Action - Update action to be performed + * PARAMETERS: object - Initial Object to be installed in the state + * action - Update action to be performed * * RETURN: New state object, null on failure * @@ -252,8 +252,8 @@ union acpi_generic_state *acpi_ut_create_update_state(union acpi_operand_object * * FUNCTION: acpi_ut_create_pkg_state * - * PARAMETERS: Object - Initial Object to be installed in the state - * Action - Update action to be performed + * PARAMETERS: object - Initial Object to be installed in the state + * action - Update action to be performed * * RETURN: New state object, null on failure * @@ -325,7 +325,7 @@ union acpi_generic_state *acpi_ut_create_control_state(void) * * FUNCTION: acpi_ut_delete_generic_state * - * PARAMETERS: State - The state object to be deleted + * PARAMETERS: state - The state object to be deleted * * RETURN: None * diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index afa94f51ff0b..534179f1177b 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -131,7 +131,7 @@ acpi_status __init acpi_initialize_subsystem(void) * * FUNCTION: acpi_enable_subsystem * - * PARAMETERS: Flags - Init/enable Options + * PARAMETERS: flags - Init/enable Options * * RETURN: Status * @@ -234,7 +234,7 @@ ACPI_EXPORT_SYMBOL(acpi_enable_subsystem) * * FUNCTION: acpi_initialize_objects * - * PARAMETERS: Flags - Init/enable Options + * PARAMETERS: flags - Init/enable Options * * RETURN: Status * @@ -409,7 +409,7 @@ ACPI_EXPORT_SYMBOL(acpi_subsystem_status) * PARAMETERS: out_buffer - A buffer to receive the resources for the * device * - * RETURN: Status - the status of the call + * RETURN: status - the status of the call * * DESCRIPTION: This function is called to get information about the current * state of the ACPI subsystem. It will return system information @@ -480,8 +480,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_system_info) * * FUNCTION: acpi_install_initialization_handler * - * PARAMETERS: Handler - Callback procedure - * Function - Not (currently) used, see below + * PARAMETERS: handler - Callback procedure + * function - Not (currently) used, see below * * RETURN: Status * @@ -618,7 +618,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_interface) * * FUNCTION: acpi_install_interface_handler * - * PARAMETERS: Handler - The _OSI interface handler to install + * PARAMETERS: handler - The _OSI interface handler to install * NULL means "remove existing handler" * * RETURN: Status @@ -651,9 +651,9 @@ ACPI_EXPORT_SYMBOL(acpi_install_interface_handler) * FUNCTION: acpi_check_address_range * * PARAMETERS: space_id - Address space ID - * Address - Start address - * Length - Length - * Warn - TRUE if warning on overlap desired + * address - Start address + * length - Length + * warn - TRUE if warning on overlap desired * * RETURN: Count of the number of conflicts detected. * diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c index 52b568af1819..6d63cc39b9ae 100644 --- a/drivers/acpi/acpica/utxferror.c +++ b/drivers/acpi/acpica/utxferror.c @@ -53,7 +53,7 @@ ACPI_MODULE_NAME("utxferror") * This module is used for the in-kernel ACPICA as well as the ACPICA * tools/applications. * - * For the i_aSL compiler case, the output is redirected to stderr so that + * For the iASL compiler case, the output is redirected to stderr so that * any of the various ACPI errors and warnings do not appear in the output * files, for either the compiler or disassembler portions of the tool. */ @@ -70,7 +70,7 @@ extern FILE *acpi_gbl_output_file; #else /* - * non-i_aSL case - no redirection, nothing to do + * non-iASL case - no redirection, nothing to do */ #define ACPI_MSG_REDIRECT_BEGIN #define ACPI_MSG_REDIRECT_END @@ -82,6 +82,8 @@ extern FILE *acpi_gbl_output_file; #define ACPI_MSG_EXCEPTION "ACPI Exception: " #define ACPI_MSG_WARNING "ACPI Warning: " #define ACPI_MSG_INFO "ACPI: " +#define ACPI_MSG_BIOS_ERROR "ACPI BIOS Bug: Error: " +#define ACPI_MSG_BIOS_WARNING "ACPI BIOS Bug: Warning: " /* * Common message suffix */ @@ -93,7 +95,7 @@ extern FILE *acpi_gbl_output_file; * * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) - * Format - Printf format string + additional args + * format - Printf format string + additional args * * RETURN: None * @@ -124,8 +126,8 @@ ACPI_EXPORT_SYMBOL(acpi_error) * * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) - * Status - Status to be formatted - * Format - Printf format string + additional args + * status - Status to be formatted + * format - Printf format string + additional args * * RETURN: None * @@ -159,7 +161,7 @@ ACPI_EXPORT_SYMBOL(acpi_exception) * * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) - * Format - Printf format string + additional args + * format - Printf format string + additional args * * RETURN: None * @@ -190,7 +192,7 @@ ACPI_EXPORT_SYMBOL(acpi_warning) * * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) - * Format - Printf format string + additional args + * format - Printf format string + additional args * * RETURN: None * @@ -218,6 +220,72 @@ acpi_info(const char *module_name, u32 line_number, const char *format, ...) ACPI_EXPORT_SYMBOL(acpi_info) +/******************************************************************************* + * + * FUNCTION: acpi_bios_error + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * format - Printf format string + additional args + * + * RETURN: None + * + * DESCRIPTION: Print "ACPI Firmware Error" message with module/line/version + * info + * + ******************************************************************************/ +void ACPI_INTERNAL_VAR_XFACE +acpi_bios_error(const char *module_name, + u32 line_number, const char *format, ...) +{ + va_list arg_list; + + ACPI_MSG_REDIRECT_BEGIN; + acpi_os_printf(ACPI_MSG_BIOS_ERROR); + + va_start(arg_list, format); + acpi_os_vprintf(format, arg_list); + ACPI_MSG_SUFFIX; + va_end(arg_list); + + ACPI_MSG_REDIRECT_END; +} + +ACPI_EXPORT_SYMBOL(acpi_bios_error) + +/******************************************************************************* + * + * FUNCTION: acpi_bios_warning + * + * PARAMETERS: module_name - Caller's module name (for error output) + * line_number - Caller's line number (for error output) + * format - Printf format string + additional args + * + * RETURN: None + * + * DESCRIPTION: Print "ACPI Firmware Warning" message with module/line/version + * info + * + ******************************************************************************/ +void ACPI_INTERNAL_VAR_XFACE +acpi_bios_warning(const char *module_name, + u32 line_number, const char *format, ...) +{ + va_list arg_list; + + ACPI_MSG_REDIRECT_BEGIN; + acpi_os_printf(ACPI_MSG_BIOS_WARNING); + + va_start(arg_list, format); + acpi_os_vprintf(format, arg_list); + ACPI_MSG_SUFFIX; + va_end(arg_list); + + ACPI_MSG_REDIRECT_END; +} + +ACPI_EXPORT_SYMBOL(acpi_bios_warning) + /* * The remainder of this module contains internal error functions that may * be configured out. @@ -271,9 +339,9 @@ acpi_ut_predefined_warning(const char *module_name, * * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) - * Pathname - Full pathname to the node + * pathname - Full pathname to the node * node_flags - From Namespace node for the method/object - * Format - Printf format string + additional args + * format - Printf format string + additional args * * RETURN: None * @@ -373,9 +441,9 @@ acpi_ut_namespace_error(const char *module_name, * * PARAMETERS: module_name - Caller's module name (for error output) * line_number - Caller's line number (for error output) - * Message - Error message to use on failure + * message - Error message to use on failure * prefix_node - Prefix relative to the path - * Path - Path to the node (optional) + * path - Path to the node (optional) * method_status - Execution status * * RETURN: None diff --git a/drivers/acpi/acpica/utxfmutex.c b/drivers/acpi/acpica/utxfmutex.c index 1427d191d15a..0a40a851b354 100644 --- a/drivers/acpi/acpica/utxfmutex.c +++ b/drivers/acpi/acpica/utxfmutex.c @@ -58,8 +58,8 @@ acpi_ut_get_mutex_object(acpi_handle handle, * * FUNCTION: acpi_ut_get_mutex_object * - * PARAMETERS: Handle - Mutex or prefix handle (optional) - * Pathname - Mutex pathname (optional) + * PARAMETERS: handle - Mutex or prefix handle (optional) + * pathname - Mutex pathname (optional) * ret_obj - Where the mutex object is returned * * RETURN: Status @@ -118,9 +118,9 @@ acpi_ut_get_mutex_object(acpi_handle handle, * * FUNCTION: acpi_acquire_mutex * - * PARAMETERS: Handle - Mutex or prefix handle (optional) - * Pathname - Mutex pathname (optional) - * Timeout - Max time to wait for the lock (millisec) + * PARAMETERS: handle - Mutex or prefix handle (optional) + * pathname - Mutex pathname (optional) + * timeout - Max time to wait for the lock (millisec) * * RETURN: Status * @@ -155,8 +155,8 @@ acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout) * * FUNCTION: acpi_release_mutex * - * PARAMETERS: Handle - Mutex or prefix handle (optional) - * Pathname - Mutex pathname (optional) + * PARAMETERS: handle - Mutex or prefix handle (optional) + * pathname - Mutex pathname (optional) * * RETURN: Status * diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 6686b1eaf13e..00a783661d0b 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -586,6 +586,11 @@ static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr, } *access_bit_width = 1UL << (access_size_code + 2); + /* Fixup common BIOS bug */ + if (bit_width == 32 && bit_offset == 0 && (*paddr & 0x03) == 0 && + *access_bit_width < 32) + *access_bit_width = 32; + if ((bit_width + bit_offset) > *access_bit_width) { pr_warning(FW_BUG APEI_PFX "Invalid bit width + offset in GAR [0x%llx/%u/%u/%u/%u]\n", diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 023f9c8534d0..ff2c876ec412 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -250,6 +250,13 @@ static int acpi_battery_get_property(struct power_supply *psy, else val->intval = battery->capacity_now * 1000; break; + case POWER_SUPPLY_PROP_CAPACITY: + if (battery->capacity_now && battery->full_charge_capacity) + val->intval = battery->capacity_now * 100/ + battery->full_charge_capacity; + else + val->intval = 0; + break; case POWER_SUPPLY_PROP_MODEL_NAME: val->strval = battery->model_number; break; @@ -276,6 +283,7 @@ static enum power_supply_property charge_battery_props[] = { POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, POWER_SUPPLY_PROP_CHARGE_FULL, POWER_SUPPLY_PROP_CHARGE_NOW, + POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, POWER_SUPPLY_PROP_SERIAL_NUMBER, @@ -292,6 +300,7 @@ static enum power_supply_property energy_battery_props[] = { POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, POWER_SUPPLY_PROP_ENERGY_FULL, POWER_SUPPLY_PROP_ENERGY_NOW, + POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, POWER_SUPPLY_PROP_SERIAL_NUMBER, diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index adceafda9c17..9628652e080c 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -574,6 +574,10 @@ static void acpi_bus_osc_support(void) capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_PPC_OST_SUPPORT; #endif +#ifdef ACPI_HOTPLUG_OST + capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_HOTPLUG_OST_SUPPORT; +#endif + if (!ghes_disable) capbuf[OSC_SUPPORT_TYPE] |= OSC_SB_APEI_SUPPORT; if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))) diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 45cd03b4630e..1f9f7d7d7bc5 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -158,9 +158,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) int result; int present; acpi_status status; - - - present = is_device_present(handle); + u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */ switch (type) { case ACPI_NOTIFY_BUS_CHECK: @@ -169,32 +167,47 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) printk(KERN_WARNING "Container driver received %s event\n", (type == ACPI_NOTIFY_BUS_CHECK) ? "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"); + + present = is_device_present(handle); status = acpi_bus_get_device(handle, &device); - if (present) { - if (ACPI_FAILURE(status) || !device) { - result = container_device_add(&device, handle); - if (!result) - kobject_uevent(&device->dev.kobj, - KOBJ_ONLINE); - else - printk(KERN_WARNING - "Failed to add container\n"); - } - } else { + if (!present) { if (ACPI_SUCCESS(status)) { /* device exist and this is a remove request */ + device->flags.eject_pending = 1; kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); + return; } + break; + } + + if (!ACPI_FAILURE(status) || device) + break; + + result = container_device_add(&device, handle); + if (result) { + printk(KERN_WARNING "Failed to add container\n"); + break; } + + kobject_uevent(&device->dev.kobj, KOBJ_ONLINE); + ost_code = ACPI_OST_SC_SUCCESS; break; + case ACPI_NOTIFY_EJECT_REQUEST: if (!acpi_bus_get_device(handle, &device) && device) { + device->flags.eject_pending = 1; kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE); + return; } break; + default: - break; + /* non-hotplug event; possibly handled by other handler */ + return; } + + /* Inform firmware that the hotplug operation has completed */ + (void) acpi_evaluate_hotplug_ost(handle, type, ost_code, NULL); return; } diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index c3881b2eb8b2..9eaf708f5885 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -891,7 +891,7 @@ static void acpi_os_execute_deferred(struct work_struct *work) struct acpi_os_dpc *dpc = container_of(work, struct acpi_os_dpc, work); if (dpc->wait) - acpi_os_wait_events_complete(NULL); + acpi_os_wait_events_complete(); dpc->function(dpc->context); kfree(dpc); @@ -987,7 +987,7 @@ acpi_status acpi_os_hotplug_execute(acpi_osd_exec_callback function, return __acpi_os_execute(0, function, context, 1); } -void acpi_os_wait_events_complete(void *context) +void acpi_os_wait_events_complete(void) { flush_workqueue(kacpid_wq); flush_workqueue(kacpi_notify_wq); diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 7048b97853e0..ff8e04f2fab4 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -696,9 +696,9 @@ static void acpi_processor_hotplug_notify(acpi_handle handle, { struct acpi_processor *pr; struct acpi_device *device = NULL; + u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */ int result; - switch (event) { case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: @@ -710,14 +710,18 @@ static void acpi_processor_hotplug_notify(acpi_handle handle, if (!is_processor_present(handle)) break; - if (acpi_bus_get_device(handle, &device)) { - result = acpi_processor_device_add(handle, &device); - if (result) - printk(KERN_ERR PREFIX - "Unable to add the device\n"); + if (!acpi_bus_get_device(handle, &device)) + break; + + result = acpi_processor_device_add(handle, &device); + if (result) { + printk(KERN_ERR PREFIX "Unable to add the device\n"); break; } + + ost_code = ACPI_OST_SC_SUCCESS; break; + case ACPI_NOTIFY_EJECT_REQUEST: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "received ACPI_NOTIFY_EJECT_REQUEST\n")); @@ -731,15 +735,23 @@ static void acpi_processor_hotplug_notify(acpi_handle handle, if (!pr) { printk(KERN_ERR PREFIX "Driver data is NULL, dropping EJECT\n"); - return; + break; } + + /* REVISIT: update when eject is supported */ + ost_code = ACPI_OST_SC_EJECT_NOT_SUPPORTED; break; + default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); - break; + + /* non-hotplug event; possibly handled by other handler */ + return; } + /* Inform firmware that the hotplug operation has completed */ + (void) acpi_evaluate_hotplug_ost(handle, event, ost_code, NULL); return; } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index e589c1985248..ad3730b4038b 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -301,16 +301,16 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) pr->power.states[ACPI_STATE_C3].address = pr->pblk + 5; /* determine latencies from FADT */ - pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.C2latency; - pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.C3latency; + pr->power.states[ACPI_STATE_C2].latency = acpi_gbl_FADT.c2_latency; + pr->power.states[ACPI_STATE_C3].latency = acpi_gbl_FADT.c3_latency; /* * FADT specified C2 latency must be less than or equal to * 100 microseconds. */ - if (acpi_gbl_FADT.C2latency > ACPI_PROCESSOR_MAX_C2_LATENCY) { + if (acpi_gbl_FADT.c2_latency > ACPI_PROCESSOR_MAX_C2_LATENCY) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C2 latency too large [%d]\n", acpi_gbl_FADT.C2latency)); + "C2 latency too large [%d]\n", acpi_gbl_FADT.c2_latency)); /* invalidate C2 */ pr->power.states[ACPI_STATE_C2].address = 0; } @@ -319,9 +319,9 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * FADT supplied C3 latency must be less than or equal to * 1000 microseconds. */ - if (acpi_gbl_FADT.C3latency > ACPI_PROCESSOR_MAX_C3_LATENCY) { + if (acpi_gbl_FADT.c3_latency > ACPI_PROCESSOR_MAX_C3_LATENCY) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 latency too large [%d]\n", acpi_gbl_FADT.C3latency)); + "C3 latency too large [%d]\n", acpi_gbl_FADT.c3_latency)); /* invalidate C3 */ pr->power.states[ACPI_STATE_C3].address = 0; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index fdda49336560..d1ecca2b641a 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -83,19 +83,29 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha } static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL); -static void acpi_bus_hot_remove_device(void *context) +/** + * acpi_bus_hot_remove_device: hot-remove a device and its children + * @context: struct acpi_eject_event pointer (freed in this func) + * + * Hot-remove a device and its children. This function frees up the + * memory space passed by arg context, so that the caller may call + * this function asynchronously through acpi_os_hotplug_execute(). + */ +void acpi_bus_hot_remove_device(void *context) { + struct acpi_eject_event *ej_event = (struct acpi_eject_event *) context; struct acpi_device *device; - acpi_handle handle = context; + acpi_handle handle = ej_event->handle; struct acpi_object_list arg_list; union acpi_object arg; acpi_status status = AE_OK; + u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE; /* default */ if (acpi_bus_get_device(handle, &device)) - return; + goto err_out; if (!device) - return; + goto err_out; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Hot-removing device %s...\n", dev_name(&device->dev))); @@ -103,7 +113,7 @@ static void acpi_bus_hot_remove_device(void *context) if (acpi_bus_trim(device, 1)) { printk(KERN_ERR PREFIX "Removing device failed\n"); - return; + goto err_out; } /* power off device */ @@ -129,10 +139,21 @@ static void acpi_bus_hot_remove_device(void *context) * TBD: _EJD support. */ status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL); - if (ACPI_FAILURE(status)) - printk(KERN_WARNING PREFIX - "Eject device failed\n"); + if (ACPI_FAILURE(status)) { + if (status != AE_NOT_FOUND) + printk(KERN_WARNING PREFIX + "Eject device failed\n"); + goto err_out; + } + + kfree(context); + return; +err_out: + /* Inform firmware the hot-remove operation has completed w/ error */ + (void) acpi_evaluate_hotplug_ost(handle, + ej_event->event, ost_code, NULL); + kfree(context); return; } @@ -144,6 +165,7 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, acpi_status status; acpi_object_type type = 0; struct acpi_device *acpi_device = to_acpi_device(d); + struct acpi_eject_event *ej_event; if ((!count) || (buf[0] != '1')) { return -EINVAL; @@ -160,7 +182,25 @@ acpi_eject_store(struct device *d, struct device_attribute *attr, goto err; } - acpi_os_hotplug_execute(acpi_bus_hot_remove_device, acpi_device->handle); + ej_event = kmalloc(sizeof(*ej_event), GFP_KERNEL); + if (!ej_event) { + ret = -ENOMEM; + goto err; + } + + ej_event->handle = acpi_device->handle; + if (acpi_device->flags.eject_pending) { + /* event originated from ACPI eject notification */ + ej_event->event = ACPI_NOTIFY_EJECT_REQUEST; + acpi_device->flags.eject_pending = 0; + } else { + /* event originated from user */ + ej_event->event = ACPI_OST_EC_OSPM_EJECT; + (void) acpi_evaluate_hotplug_ost(ej_event->handle, + ej_event->event, ACPI_OST_SC_EJECT_IN_PROGRESS, NULL); + } + + acpi_os_hotplug_execute(acpi_bus_hot_remove_device, (void *)ej_event); err: return ret; } diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 028dd425702c..7a7a9c929247 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -143,7 +143,7 @@ void __init acpi_old_suspend_ordering(void) static int acpi_pm_freeze(void) { acpi_disable_all_gpes(); - acpi_os_wait_events_complete(NULL); + acpi_os_wait_events_complete(); acpi_ec_block_transactions(); return 0; } diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 21dd4c268aef..9fe90e9fecb5 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -552,8 +552,6 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, return 0; } -static const char enabled[] = "kernel"; -static const char disabled[] = "user"; static int thermal_get_mode(struct thermal_zone_device *thermal, enum thermal_device_mode *mode) { @@ -590,8 +588,8 @@ static int thermal_set_mode(struct thermal_zone_device *thermal, if (enable != tz->tz_enabled) { tz->tz_enabled = enable; ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "%s ACPI thermal control\n", - tz->tz_enabled ? enabled : disabled)); + "%s kernel ACPI thermal control\n", + tz->tz_enabled ? "Enable" : "Disable")); acpi_thermal_check(tz); } return 0; @@ -847,7 +845,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) if (tz->trips.passive.flags.valid) tz->thermal_zone = - thermal_zone_device_register("acpitz", trips, tz, + thermal_zone_device_register("acpitz", trips, 0, tz, &acpi_thermal_zone_ops, tz->trips.passive.tc1, tz->trips.passive.tc2, @@ -855,7 +853,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz) tz->polling_frequency*100); else tz->thermal_zone = - thermal_zone_device_register("acpitz", trips, tz, + thermal_zone_device_register("acpitz", trips, 0, tz, &acpi_thermal_zone_ops, 0, 0, 0, tz->polling_frequency*100); diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index adbbc1c80a26..3e87c9c538aa 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -412,3 +412,45 @@ out: return status; } EXPORT_SYMBOL(acpi_get_physical_device_location); + +/** + * acpi_evaluate_hotplug_ost: Evaluate _OST for hotplug operations + * @handle: ACPI device handle + * @source_event: source event code + * @status_code: status code + * @status_buf: optional detailed information (NULL if none) + * + * Evaluate _OST for hotplug operations. All ACPI hotplug handlers + * must call this function when evaluating _OST for hotplug operations. + * When the platform does not support _OST, this function has no effect. + */ +acpi_status +acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, + u32 status_code, struct acpi_buffer *status_buf) +{ +#ifdef ACPI_HOTPLUG_OST + union acpi_object params[3] = { + {.type = ACPI_TYPE_INTEGER,}, + {.type = ACPI_TYPE_INTEGER,}, + {.type = ACPI_TYPE_BUFFER,} + }; + struct acpi_object_list arg_list = {3, params}; + acpi_status status; + + params[0].integer.value = source_event; + params[1].integer.value = status_code; + if (status_buf != NULL) { + params[2].buffer.pointer = status_buf->pointer; + params[2].buffer.length = status_buf->length; + } else { + params[2].buffer.pointer = NULL; + params[2].buffer.length = 0; + } + + status = acpi_evaluate_object(handle, "_OST", &arg_list, NULL); + return status; +#else + return AE_OK; +#endif +} +EXPORT_SYMBOL(acpi_evaluate_hotplug_ost); |
