Merge branch 'linus' into cpus4096

Conflicts:

	drivers/acpi/processor_throttling.c

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2008-07-18 22:00:54 +02:00
commit bb2c018b09
1704 changed files with 103727 additions and 192919 deletions

View file

@ -336,6 +336,15 @@ config ACPI_EC
the battery and thermal drivers. If you are compiling for a
mobile system, say Y.
config ACPI_PCI_SLOT
tristate "PCI slot detection driver"
default n
help
This driver will attempt to discover all PCI slots in your system,
and creates entries in /sys/bus/pci/slots/. This feature can
help you correlate PCI bus addresses with the physical geography
of your slots. If you are unsure, say N.
config ACPI_POWER
bool
default y

View file

@ -21,7 +21,7 @@ obj-$(CONFIG_X86) += blacklist.o
#
# ACPI Core Subsystem (Interpreter)
#
obj-y += osl.o utils.o \
obj-y += osl.o utils.o reboot.o\
dispatcher/ events/ executer/ hardware/ \
namespace/ parser/ resources/ tables/ \
utilities/
@ -48,6 +48,7 @@ obj-$(CONFIG_ACPI_DOCK) += dock.o
obj-$(CONFIG_ACPI_BAY) += bay.o
obj-$(CONFIG_ACPI_VIDEO) += video.o
obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o
obj-$(CONFIG_ACPI_PCI_SLOT) += pci_slot.o
obj-$(CONFIG_ACPI_POWER) += power.o
obj-$(CONFIG_ACPI_PROCESSOR) += processor.o
obj-$(CONFIG_ACPI_CONTAINER) += container.o

View file

@ -377,6 +377,9 @@ static int __init bay_init(void)
INIT_LIST_HEAD(&drive_bays);
if (acpi_disabled)
return -ENODEV;
if (acpi_disabled)
return -ENODEV;

View file

@ -295,6 +295,28 @@ int acpi_bus_set_power(acpi_handle handle, int state)
EXPORT_SYMBOL(acpi_bus_set_power);
bool acpi_bus_power_manageable(acpi_handle handle)
{
struct acpi_device *device;
int result;
result = acpi_bus_get_device(handle, &device);
return result ? false : device->flags.power_manageable;
}
EXPORT_SYMBOL(acpi_bus_power_manageable);
bool acpi_bus_can_wakeup(acpi_handle handle)
{
struct acpi_device *device;
int result;
result = acpi_bus_get_device(handle, &device);
return result ? false : device->wakeup.flags.valid;
}
EXPORT_SYMBOL(acpi_bus_can_wakeup);
/* --------------------------------------------------------------------------
Event Management
-------------------------------------------------------------------------- */
@ -612,7 +634,7 @@ static int __init acpi_bus_init_irq(void)
return 0;
}
acpi_native_uint acpi_gbl_permanent_mmap;
u8 acpi_gbl_permanent_mmap;
void __init acpi_early_init(void)

View file

@ -151,7 +151,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
******************************************************************************/
acpi_status
acpi_ds_initialize_objects(acpi_native_uint table_index,
acpi_ds_initialize_objects(u32 table_index,
struct acpi_namespace_node * start_node)
{
acpi_status status;

View file

@ -377,7 +377,6 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
}
info->parameters = &this_walk_state->operands[0];
info->parameter_type = ACPI_PARAM_ARGS;
status = acpi_ds_init_aml_walk(next_walk_state, NULL, method_node,
obj_desc->method.aml_start,

View file

@ -691,12 +691,6 @@ acpi_ds_eval_buffer_field_operands(struct acpi_walk_state *walk_state,
status = acpi_ex_resolve_operands(op->common.aml_opcode,
ACPI_WALK_OPERANDS, walk_state);
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name(op->common.aml_opcode),
walk_state->num_operands,
"after AcpiExResolveOperands");
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO, "(%s) bad operand(s) (%X)",
acpi_ps_get_opcode_name(op->common.aml_opcode),
@ -785,10 +779,6 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name(op->common.aml_opcode),
1, "after AcpiExResolveOperands");
obj_desc = acpi_ns_get_attached_object(node);
if (!obj_desc) {
return_ACPI_STATUS(AE_NOT_EXIST);
@ -848,7 +838,7 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
union acpi_operand_object **operand;
struct acpi_namespace_node *node;
union acpi_parse_object *next_op;
acpi_native_uint table_index;
u32 table_index;
struct acpi_table_header *table;
ACPI_FUNCTION_TRACE_PTR(ds_eval_table_region_operands, op);
@ -882,10 +872,6 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name(op->common.aml_opcode),
1, "after AcpiExResolveOperands");
operand = &walk_state->operands[0];
/* Find the ACPI table */
@ -1091,10 +1077,8 @@ acpi_ds_eval_bank_field_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(status);
}
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name(op->common.aml_opcode),
1, "after AcpiExResolveOperands");
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
acpi_ps_get_opcode_name(op->common.aml_opcode), 1);
/*
* Get the bank_value operand and save it
* (at Top of stack)

View file

@ -408,14 +408,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state)
[walk_state->
num_operands - 1]),
walk_state);
if (ACPI_SUCCESS(status)) {
ACPI_DUMP_OPERANDS(ACPI_WALK_OPERANDS,
ACPI_IMODE_EXECUTE,
acpi_ps_get_opcode_name
(walk_state->opcode),
walk_state->num_operands,
"after ExResolveOperands");
}
}
if (ACPI_SUCCESS(status)) {

View file

@ -70,7 +70,7 @@ acpi_status
acpi_ds_result_pop(union acpi_operand_object **object,
struct acpi_walk_state *walk_state)
{
acpi_native_uint index;
u32 index;
union acpi_generic_state *state;
acpi_status status;
@ -122,7 +122,7 @@ acpi_ds_result_pop(union acpi_operand_object **object,
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Obj=%p [%s] Index=%X State=%p Num=%X\n", *object,
acpi_ut_get_object_type_name(*object),
(u32) index, walk_state, walk_state->result_count));
index, walk_state, walk_state->result_count));
return (AE_OK);
}
@ -146,7 +146,7 @@ acpi_ds_result_push(union acpi_operand_object * object,
{
union acpi_generic_state *state;
acpi_status status;
acpi_native_uint index;
u32 index;
ACPI_FUNCTION_NAME(ds_result_push);
@ -400,7 +400,7 @@ void
acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
struct acpi_walk_state *walk_state)
{
acpi_native_int i;
s32 i;
union acpi_operand_object *obj_desc;
ACPI_FUNCTION_NAME(ds_obj_stack_pop_and_delete);
@ -409,7 +409,7 @@ acpi_ds_obj_stack_pop_and_delete(u32 pop_count,
return;
}
for (i = (acpi_native_int) (pop_count - 1); i >= 0; i--) {
for (i = (s32) pop_count - 1; i >= 0; i--) {
if (walk_state->num_operands == 0) {
return;
}
@ -615,14 +615,8 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,
walk_state->pass_number = pass_number;
if (info) {
if (info->parameter_type == ACPI_PARAM_GPE) {
walk_state->gpe_event_info =
ACPI_CAST_PTR(struct acpi_gpe_event_info,
info->parameters);
} else {
walk_state->params = info->parameters;
walk_state->caller_return_desc = &info->return_object;
}
walk_state->params = info->parameters;
walk_state->caller_return_desc = &info->return_object;
}
status = acpi_ps_init_scope(&walk_state->parser_state, op);

View file

@ -917,6 +917,9 @@ static int __init dock_init(void)
dock_station = NULL;
if (acpi_disabled)
return 0;
if (acpi_disabled)
return 0;

View file

@ -188,7 +188,7 @@ acpi_status acpi_ev_install_xrupt_handlers(void)
static acpi_status acpi_ev_fixed_event_initialize(void)
{
acpi_native_uint i;
u32 i;
acpi_status status;
/*
@ -231,7 +231,7 @@ u32 acpi_ev_fixed_event_detect(void)
u32 int_status = ACPI_INTERRUPT_NOT_HANDLED;
u32 fixed_status;
u32 fixed_enable;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_NAME(ev_fixed_event_detect);
@ -260,7 +260,7 @@ u32 acpi_ev_fixed_event_detect(void)
/* Found an active (signalled) event */
acpi_os_fixed_event_count(i);
int_status |= acpi_ev_fixed_event_dispatch((u32) i);
int_status |= acpi_ev_fixed_event_dispatch(i);
}
}

View file

@ -256,7 +256,7 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
return_ACPI_STATUS(status);
}
/* Mark wake-disabled or HW disable, or both */
/* Clear the appropriate enabled flags for this GPE */
switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) {
case ACPI_GPE_TYPE_WAKE:
@ -273,13 +273,23 @@ acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
/* Disable the requested runtime GPE */
ACPI_CLEAR_BIT(gpe_event_info->flags, ACPI_GPE_RUN_ENABLED);
/* fallthrough */
break;
default:
acpi_hw_write_gpe_enable_reg(gpe_event_info);
break;
}
/*
* Even if we don't know the GPE type, make sure that we always
* disable it. low_disable_gpe will just clear the enable bit for this
* GPE and write it. It will not write out the current GPE enable mask,
* since this may inadvertently enable GPEs too early, if a rogue GPE has
* come in during ACPICA initialization - possibly as a result of AML or
* other code that has enabled the GPE.
*/
status = acpi_hw_low_disable_gpe(gpe_event_info);
return_ACPI_STATUS(status);
return_ACPI_STATUS(AE_OK);
}
@ -305,7 +315,7 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
{
union acpi_operand_object *obj_desc;
struct acpi_gpe_block_info *gpe_block;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_ENTRY();
@ -379,8 +389,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
u32 status_reg;
u32 enable_reg;
acpi_cpu_flags flags;
acpi_native_uint i;
acpi_native_uint j;
u32 i;
u32 j;
ACPI_FUNCTION_NAME(ev_gpe_detect);
@ -462,13 +472,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list)
*/
int_status |=
acpi_ev_gpe_dispatch(&gpe_block->
event_info[(i *
ACPI_GPE_REGISTER_WIDTH)
+
j],
(u32) j +
gpe_register_info->
base_gpe_number);
event_info[((acpi_size) i * ACPI_GPE_REGISTER_WIDTH) + j], j + gpe_register_info->base_gpe_number);
}
}
}
@ -555,10 +559,6 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
*/
info->prefix_node =
local_gpe_event_info.dispatch.method_node;
info->parameters =
ACPI_CAST_PTR(union acpi_operand_object *,
gpe_event_info);
info->parameter_type = ACPI_PARAM_GPE;
info->flags = ACPI_IGNORE_RETURN_VALUE;
status = acpi_ns_evaluate(info);

View file

@ -189,8 +189,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block)
{
struct acpi_gpe_event_info *gpe_event_info;
acpi_native_uint i;
acpi_native_uint j;
u32 i;
u32 j;
ACPI_FUNCTION_TRACE(ev_delete_gpe_handlers);
@ -203,7 +203,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) {
gpe_event_info =
&gpe_block->
event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
event_info[((acpi_size) i *
ACPI_GPE_REGISTER_WIDTH) + j];
if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_HANDLER) {
@ -744,8 +745,8 @@ acpi_ev_create_gpe_info_blocks(struct acpi_gpe_block_info *gpe_block)
struct acpi_gpe_event_info *gpe_event_info = NULL;
struct acpi_gpe_event_info *this_event;
struct acpi_gpe_register_info *this_register;
acpi_native_uint i;
acpi_native_uint j;
u32 i;
u32 j;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_create_gpe_info_blocks);
@ -983,8 +984,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
struct acpi_gpe_walk_info gpe_info;
u32 wake_gpe_count;
u32 gpe_enabled_count;
acpi_native_uint i;
acpi_native_uint j;
u32 i;
u32 j;
ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
@ -1033,7 +1034,8 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
gpe_event_info =
&gpe_block->
event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j];
event_info[((acpi_size) i *
ACPI_GPE_REGISTER_WIDTH) + j];
if (((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) ==
ACPI_GPE_DISPATCH_METHOD)

View file

@ -575,7 +575,7 @@ acpi_status acpi_ev_release_global_lock(void)
void acpi_ev_terminate(void)
{
acpi_native_uint i;
u32 i;
acpi_status status;
ACPI_FUNCTION_TRACE(ev_terminate);
@ -589,7 +589,7 @@ void acpi_ev_terminate(void)
/* Disable all fixed events */
for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++) {
status = acpi_disable_event((u32) i, 0);
status = acpi_disable_event(i, 0);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not disable fixed event %d",

View file

@ -81,7 +81,7 @@ acpi_ev_install_handler(acpi_handle obj_handle,
acpi_status acpi_ev_install_region_handlers(void)
{
acpi_status status;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(ev_install_region_handlers);
@ -151,7 +151,7 @@ acpi_status acpi_ev_install_region_handlers(void)
acpi_status acpi_ev_initialize_op_regions(void)
{
acpi_status status;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(ev_initialize_op_regions);
@ -219,7 +219,6 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function)
info->prefix_node = region_obj2->extra.method_REG;
info->pathname = NULL;
info->parameters = args;
info->parameter_type = ACPI_PARAM_ARGS;
info->flags = ACPI_IGNORE_RETURN_VALUE;
/*

View file

@ -380,7 +380,7 @@ static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node)
acpi_status status;
struct acpica_device_id hid;
struct acpi_compatible_id_list *cid;
acpi_native_uint i;
u32 i;
/*
* Get the _HID and check for a PCI Root Bridge

View file

@ -472,7 +472,6 @@ acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags)
}
ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
* FUNCTION: acpi_get_event_status
@ -489,6 +488,7 @@ ACPI_EXPORT_SYMBOL(acpi_clear_gpe)
acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
{
acpi_status status = AE_OK;
u32 value;
ACPI_FUNCTION_TRACE(acpi_get_event_status);
@ -506,7 +506,20 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status)
status =
acpi_get_register(acpi_gbl_fixed_event_info[event].
status_register_id, event_status);
enable_register_id, &value);
if (ACPI_FAILURE(status))
return_ACPI_STATUS(status);
*event_status = value;
status =
acpi_get_register(acpi_gbl_fixed_event_info[event].
status_register_id, &value);
if (ACPI_FAILURE(status))
return_ACPI_STATUS(status);
if (value)
*event_status |= ACPI_EVENT_FLAG_SET;
return_ACPI_STATUS(status);
}
@ -566,7 +579,6 @@ acpi_get_gpe_status(acpi_handle gpe_device,
}
ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
* FUNCTION: acpi_install_gpe_block

View file

@ -53,7 +53,7 @@ ACPI_MODULE_NAME("exconfig")
/* Local prototypes */
static acpi_status
acpi_ex_add_table(acpi_native_uint table_index,
acpi_ex_add_table(u32 table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle);
@ -73,7 +73,7 @@ acpi_ex_add_table(acpi_native_uint table_index,
******************************************************************************/
static acpi_status
acpi_ex_add_table(acpi_native_uint table_index,
acpi_ex_add_table(u32 table_index,
struct acpi_namespace_node *parent_node,
union acpi_operand_object **ddb_handle)
{
@ -96,7 +96,8 @@ acpi_ex_add_table(acpi_native_uint table_index,
/* Install the new table into the local data structures */
obj_desc->reference.object = ACPI_CAST_PTR(void, table_index);
obj_desc->reference.object = ACPI_CAST_PTR(void,
(unsigned long)table_index);
/* Add the table to the namespace */
@ -128,12 +129,12 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state,
{
acpi_status status;
union acpi_operand_object **operand = &walk_state->operands[0];
acpi_native_uint table_index;
struct acpi_namespace_node *parent_node;
struct acpi_namespace_node *start_node;
struct acpi_namespace_node *parameter_node = NULL;
union acpi_operand_object *ddb_handle;
struct acpi_table_header *table;
u32 table_index;
ACPI_FUNCTION_TRACE(ex_load_table_op);
@ -280,7 +281,7 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
{
union acpi_operand_object *ddb_handle;
struct acpi_table_desc table_desc;
acpi_native_uint table_index;
u32 table_index;
acpi_status status;
u32 length;
@ -437,7 +438,7 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
{
acpi_status status = AE_OK;
union acpi_operand_object *table_desc = ddb_handle;
acpi_native_uint table_index;
u32 table_index;
struct acpi_table_header *table;
ACPI_FUNCTION_TRACE(ex_unload_table);
@ -454,9 +455,9 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Get the table index from the ddb_handle */
/* Get the table index from the ddb_handle (acpi_size for 64-bit case) */
table_index = (acpi_native_uint) table_desc->reference.object;
table_index = (u32) (acpi_size) table_desc->reference.object;
/* Invoke table handler if present */

View file

@ -288,11 +288,11 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
u16 base, u8 * string, u8 data_width)
{
acpi_integer digit;
acpi_native_uint i;
acpi_native_uint j;
acpi_native_uint k = 0;
acpi_native_uint hex_length;
acpi_native_uint decimal_length;
u32 i;
u32 j;
u32 k = 0;
u32 hex_length;
u32 decimal_length;
u32 remainder;
u8 supress_zeros;
@ -348,7 +348,7 @@ acpi_ex_convert_to_ascii(acpi_integer integer,
/* hex_length: 2 ascii hex chars per data byte */
hex_length = (acpi_native_uint) ACPI_MUL_2(data_width);
hex_length = ACPI_MUL_2(data_width);
for (i = 0, j = (hex_length - 1); i < hex_length; i++, j--) {
/* Get one hex digit, most significant digits first */

View file

@ -45,8 +45,6 @@
#include <acpi/acinterp.h>
#include <acpi/amlcode.h>
#include <acpi/acnamesp.h>
#include <acpi/acevents.h>
#include <acpi/actables.h>
#define _COMPONENT ACPI_EXECUTER
ACPI_MODULE_NAME("excreate")

View file

@ -580,25 +580,22 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
case ACPI_TYPE_BUFFER:
acpi_os_printf("Buffer len %X @ %p\n",
acpi_os_printf("Buffer length %.2X @ %p\n",
obj_desc->buffer.length,
obj_desc->buffer.pointer);
length = obj_desc->buffer.length;
if (length > 64) {
length = 64;
}
/* Debug only -- dump the buffer contents */
if (obj_desc->buffer.pointer) {
acpi_os_printf("Buffer Contents: ");
for (index = 0; index < length; index++) {
acpi_os_printf(" %02x",
obj_desc->buffer.pointer[index]);
length = obj_desc->buffer.length;
if (length > 128) {
length = 128;
}
acpi_os_printf("\n");
acpi_os_printf
("Buffer Contents: (displaying length 0x%.2X)\n",
length);
ACPI_DUMP_BUFFER(obj_desc->buffer.pointer, length);
}
break;
@ -756,54 +753,42 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth)
*
* FUNCTION: acpi_ex_dump_operands
*
* PARAMETERS: Operands - Operand list
* interpreter_mode - Load or Exec
* Ident - Identification
* num_levels - # of stack entries to dump above line
* Note - Output notation
* module_name - Caller's module name
* line_number - Caller's invocation line number
* PARAMETERS: Operands - A list of Operand objects
* opcode_name - AML opcode name
* num_operands - Operand count for this opcode
*
* DESCRIPTION: Dump the object stack
* DESCRIPTION: Dump the operands associated with the opcode
*
******************************************************************************/
void
acpi_ex_dump_operands(union acpi_operand_object **operands,
acpi_interpreter_mode interpreter_mode,
char *ident,
u32 num_levels,
char *note, char *module_name, u32 line_number)
const char *opcode_name, u32 num_operands)
{
acpi_native_uint i;
ACPI_FUNCTION_NAME(ex_dump_operands);
if (!ident) {
ident = "?";
}
if (!note) {
note = "?";
if (!opcode_name) {
opcode_name = "UNKNOWN";
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"************* Operand Stack Contents (Opcode [%s], %d Operands)\n",
ident, num_levels));
"**** Start operand dump for opcode [%s], %d operands\n",
opcode_name, num_operands));
if (num_levels == 0) {
num_levels = 1;
if (num_operands == 0) {
num_operands = 1;
}
/* Dump the operand stack starting at the top */
/* Dump the individual operands */
for (i = 0; num_levels > 0; i--, num_levels--) {
acpi_ex_dump_operand(operands[i], 0);
while (num_operands) {
acpi_ex_dump_operand(*operands, 0);
operands++;
num_operands--;
}
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"************* Operand Stack dump from %s(%d), %s\n",
module_name, line_number, note));
"**** End operand dump for [%s]\n", opcode_name));
return;
}

View file

@ -153,14 +153,15 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
/*
* Slack mode only: We will go ahead and allow access to this
* field if it is within the region length rounded up to the next
* access width boundary.
* access width boundary. acpi_size cast for 64-bit compile.
*/
if (ACPI_ROUND_UP(rgn_desc->region.length,
obj_desc->common_field.
access_byte_width) >=
(obj_desc->common_field.base_byte_offset +
(acpi_native_uint) obj_desc->common_field.
access_byte_width + field_datum_byte_offset)) {
((acpi_size) obj_desc->common_field.
base_byte_offset +
obj_desc->common_field.access_byte_width +
field_datum_byte_offset)) {
return_ACPI_STATUS(AE_OK);
}
}

View file

@ -329,8 +329,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Result of two Strings is a String */
return_desc = acpi_ut_create_string_object((acpi_size)
(operand0->string.
return_desc = acpi_ut_create_string_object(((acpi_size)
operand0->string.
length +
local_operand1->
string.length));
@ -352,8 +352,8 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0,
/* Result of two Buffers is a Buffer */
return_desc = acpi_ut_create_buffer_object((acpi_size)
(operand0->buffer.
return_desc = acpi_ut_create_buffer_object(((acpi_size)
operand0->buffer.
length +
local_operand1->
buffer.length));

View file

@ -503,11 +503,11 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
*/
second_desc = obj_desc->common.next_object;
second_desc->extra.aml_start =
((union acpi_parse_object *)(info->data_register_node))->
named.data;
ACPI_CAST_PTR(union acpi_parse_object,
info->data_register_node)->named.data;
second_desc->extra.aml_length =
((union acpi_parse_object *)(info->data_register_node))->
named.length;
ACPI_CAST_PTR(union acpi_parse_object,
info->data_register_node)->named.length;
break;

View file

@ -156,7 +156,7 @@ acpi_ex_system_memory_space_handler(u32 function,
/* Create a new mapping starting at the address given */
mem_info->mapped_logical_address =
acpi_os_map_memory((acpi_native_uint) address, window_size);
acpi_os_map_memory((acpi_physical_address) address, window_size);
if (!mem_info->mapped_logical_address) {
ACPI_ERROR((AE_INFO,
"Could not map memory at %8.8X%8.8X, size %X",

View file

@ -698,5 +698,9 @@ acpi_ex_resolve_operands(u16 opcode,
}
}
ACPI_DUMP_OPERANDS(walk_state->operands,
acpi_ps_get_opcode_name(opcode),
walk_state->num_operands);
return_ACPI_STATUS(status);
}

View file

@ -343,12 +343,6 @@ acpi_ex_store(union acpi_operand_object *source_desc,
acpi_ut_get_object_type_name(dest_desc),
dest_desc));
ACPI_DUMP_STACK_ENTRY(source_desc);
ACPI_DUMP_STACK_ENTRY(dest_desc);
ACPI_DUMP_OPERANDS(&dest_desc, ACPI_IMODE_EXECUTE, "ExStore",
2,
"Target is not a Reference or Constant object");
return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
}

View file

@ -148,7 +148,7 @@ acpi_fan_write_state(struct file *file, const char __user * buffer,
int result = 0;
struct seq_file *m = file->private_data;
struct acpi_device *device = m->private;
char state_string[12] = { '\0' };
char state_string[3] = { '\0' };
if (count > sizeof(state_string) - 1)
return -EINVAL;
@ -157,6 +157,12 @@ acpi_fan_write_state(struct file *file, const char __user * buffer,
return -EFAULT;
state_string[count] = '\0';
if ((state_string[0] < '0') || (state_string[0] > '3'))
return -EINVAL;
if (state_string[1] == '\n')
state_string[1] = '\0';
if (state_string[1] != '\0')
return -EINVAL;
result = acpi_bus_set_power(device->handle,
simple_strtoul(state_string, NULL, 0));

View file

@ -166,6 +166,8 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
"firmware_node");
ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
"physical_node");
if (acpi_dev->wakeup.flags.valid)
device_set_wakeup_capable(dev, true);
}
return 0;
@ -333,6 +335,9 @@ static int __init acpi_rtc_init(void)
{
struct device *dev = get_rtc_dev();
if (acpi_disabled)
return 0;
if (acpi_disabled)
return 0;

View file

@ -53,6 +53,54 @@ static acpi_status
acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block);
/******************************************************************************
*
* FUNCTION: acpi_hw_low_disable_gpe
*
* PARAMETERS: gpe_event_info - Info block for the GPE to be disabled
*
* RETURN: Status
*
* DESCRIPTION: Disable a single GPE in the enable register.
*
******************************************************************************/
acpi_status acpi_hw_low_disable_gpe(struct acpi_gpe_event_info *gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
acpi_status status;
u32 enable_mask;
/* Get the info block for the entire GPE register */
gpe_register_info = gpe_event_info->register_info;
if (!gpe_register_info) {
return (AE_NOT_EXIST);
}
/* Get current value of the enable register that contains this GPE */
status = acpi_hw_low_level_read(ACPI_GPE_REGISTER_WIDTH, &enable_mask,
&gpe_register_info->enable_address);
if (ACPI_FAILURE(status)) {
return (status);
}
/* Clear just the bit that corresponds to this GPE */
ACPI_CLEAR_BIT(enable_mask,
((u32) 1 <<
(gpe_event_info->gpe_number -
gpe_register_info->base_gpe_number)));
/* Write the updated enable mask */
status = acpi_hw_low_level_write(ACPI_GPE_REGISTER_WIDTH, enable_mask,
&gpe_register_info->enable_address);
return (status);
}
/******************************************************************************
*
* FUNCTION: acpi_hw_write_gpe_enable_reg
@ -68,7 +116,7 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
******************************************************************************/
acpi_status
acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info *gpe_event_info)
acpi_hw_write_gpe_enable_reg(struct acpi_gpe_event_info * gpe_event_info)
{
struct acpi_gpe_register_info *gpe_register_info;
acpi_status status;
@ -138,7 +186,6 @@ acpi_status acpi_hw_clear_gpe(struct acpi_gpe_event_info * gpe_event_info)
*
******************************************************************************/
#ifdef ACPI_FUTURE_USAGE
acpi_status
acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
acpi_event_status * event_status)
@ -198,7 +245,6 @@ acpi_hw_get_gpe_status(struct acpi_gpe_event_info * gpe_event_info,
unlock_and_exit:
return (status);
}
#endif /* ACPI_FUTURE_USAGE */
/******************************************************************************
*

View file

@ -73,7 +73,7 @@ acpi_ns_dump_one_device(acpi_handle obj_handle,
void acpi_ns_print_pathname(u32 num_segments, char *pathname)
{
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_NAME(ns_print_pathname);
@ -515,12 +515,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
if (obj_type > ACPI_TYPE_LOCAL_MAX) {
acpi_os_printf
("(Ptr to ACPI Object type %X [UNKNOWN])\n",
("(Pointer to ACPI Object type %.2X [UNKNOWN])\n",
obj_type);
bytes_to_dump = 32;
} else {
acpi_os_printf
("(Ptr to ACPI Object type %X [%s])\n",
("(Pointer to ACPI Object type %.2X [%s])\n",
obj_type, acpi_ut_get_type_name(obj_type));
bytes_to_dump =
sizeof(union acpi_operand_object);

View file

@ -138,6 +138,41 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info * info)
return_ACPI_STATUS(AE_NULL_OBJECT);
}
/*
* Calculate the number of arguments being passed to the method
*/
info->param_count = 0;
if (info->parameters) {
while (info->parameters[info->param_count])
info->param_count++;
}
/* Error if too few arguments were passed in */
if (info->param_count < info->obj_desc->method.param_count) {
ACPI_ERROR((AE_INFO,
"Insufficient arguments - "
"method [%4.4s] needs %d, found %d",
acpi_ut_get_node_name(info->resolved_node),
info->obj_desc->method.param_count,
info->param_count));
return_ACPI_STATUS(AE_MISSING_ARGUMENTS);
}
/* Just a warning if too many arguments */
else if (info->param_count >
info->obj_desc->method.param_count) {
ACPI_WARNING((AE_INFO,
"Excess arguments - "
"method [%4.4s] needs %d, found %d",
acpi_ut_get_node_name(info->
resolved_node),
info->obj_desc->method.param_count,
info->param_count));
}
ACPI_DUMP_PATHNAME(info->resolved_node, "Execute Method:",
ACPI_LV_INFO, _COMPONENT);

View file

@ -542,7 +542,6 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
info->prefix_node = device_node;
info->pathname = METHOD_NAME__INI;
info->parameters = NULL;
info->parameter_type = ACPI_PARAM_ARGS;
info->flags = ACPI_IGNORE_RETURN_VALUE;
/*

View file

@ -71,8 +71,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle);
******************************************************************************/
acpi_status
acpi_ns_load_table(acpi_native_uint table_index,
struct acpi_namespace_node *node)
acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node)
{
acpi_status status;

View file

@ -63,13 +63,13 @@ ACPI_MODULE_NAME("nsparse")
*
******************************************************************************/
acpi_status
acpi_ns_one_complete_parse(acpi_native_uint pass_number,
acpi_native_uint table_index,
struct acpi_namespace_node * start_node)
acpi_ns_one_complete_parse(u32 pass_number,
u32 table_index,
struct acpi_namespace_node *start_node)
{
union acpi_parse_object *parse_root;
acpi_status status;
acpi_native_uint aml_length;
u32 aml_length;
u8 *aml_start;
struct acpi_walk_state *walk_state;
struct acpi_table_header *table;
@ -112,8 +112,8 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
aml_start = (u8 *) table + sizeof(struct acpi_table_header);
aml_length = table->length - sizeof(struct acpi_table_header);
status = acpi_ds_init_aml_walk(walk_state, parse_root, NULL,
aml_start, (u32) aml_length,
NULL, (u8) pass_number);
aml_start, aml_length, NULL,
(u8) pass_number);
}
if (ACPI_FAILURE(status)) {
@ -158,8 +158,7 @@ acpi_ns_one_complete_parse(acpi_native_uint pass_number,
******************************************************************************/
acpi_status
acpi_ns_parse_table(acpi_native_uint table_index,
struct acpi_namespace_node *start_node)
acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node)
{
acpi_status status;

View file

@ -73,9 +73,9 @@ acpi_name acpi_ns_find_parent_name(struct acpi_namespace_node *node_to_search);
******************************************************************************/
void
acpi_ns_report_error(char *module_name,
acpi_ns_report_error(const char *module_name,
u32 line_number,
char *internal_name, acpi_status lookup_status)
const char *internal_name, acpi_status lookup_status)
{
acpi_status status;
u32 bad_name;
@ -130,11 +130,11 @@ acpi_ns_report_error(char *module_name,
******************************************************************************/
void
acpi_ns_report_method_error(char *module_name,
acpi_ns_report_method_error(const char *module_name,
u32 line_number,
char *message,
const char *message,
struct acpi_namespace_node *prefix_node,
char *path, acpi_status method_status)
const char *path, acpi_status method_status)
{
acpi_status status;
struct acpi_namespace_node *node = prefix_node;
@ -167,7 +167,8 @@ acpi_ns_report_method_error(char *module_name,
******************************************************************************/
void
acpi_ns_print_node_pathname(struct acpi_namespace_node *node, char *message)
acpi_ns_print_node_pathname(struct acpi_namespace_node *node,
const char *message)
{
struct acpi_buffer buffer;
acpi_status status;
@ -296,7 +297,7 @@ u32 acpi_ns_local(acpi_object_type type)
void acpi_ns_get_internal_name_length(struct acpi_namestring_info *info)
{
char *next_external_char;
const char *next_external_char;
u32 i;
ACPI_FUNCTION_ENTRY();
@ -363,9 +364,9 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
{
u32 num_segments = info->num_segments;
char *internal_name = info->internal_name;
char *external_name = info->next_external_char;
const char *external_name = info->next_external_char;
char *result = NULL;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(ns_build_internal_name);
@ -400,12 +401,11 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
result = &internal_name[i];
} else if (num_segments == 2) {
internal_name[i] = AML_DUAL_NAME_PREFIX;
result = &internal_name[(acpi_native_uint) (i + 1)];
result = &internal_name[(acpi_size) i + 1];
} else {
internal_name[i] = AML_MULTI_NAME_PREFIX_OP;
internal_name[(acpi_native_uint) (i + 1)] =
(char)num_segments;
result = &internal_name[(acpi_native_uint) (i + 2)];
internal_name[(acpi_size) i + 1] = (char)num_segments;
result = &internal_name[(acpi_size) i + 2];
}
}
@ -472,7 +472,8 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info)
*
*******************************************************************************/
acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
acpi_status
acpi_ns_internalize_name(const char *external_name, char **converted_name)
{
char *internal_name;
struct acpi_namestring_info info;
@ -528,15 +529,15 @@ acpi_status acpi_ns_internalize_name(char *external_name, char **converted_name)
acpi_status
acpi_ns_externalize_name(u32 internal_name_length,
char *internal_name,
const char *internal_name,
u32 * converted_name_length, char **converted_name)
{
acpi_native_uint names_index = 0;
acpi_native_uint num_segments = 0;
acpi_native_uint required_length;
acpi_native_uint prefix_length = 0;
acpi_native_uint i = 0;
acpi_native_uint j = 0;
u32 names_index = 0;
u32 num_segments = 0;
u32 required_length;
u32 prefix_length = 0;
u32 i = 0;
u32 j = 0;
ACPI_FUNCTION_TRACE(ns_externalize_name);
@ -582,9 +583,8 @@ acpi_ns_externalize_name(u32 internal_name_length,
/* <count> 4-byte names */
names_index = prefix_length + 2;
num_segments = (acpi_native_uint) (u8)
internal_name[(acpi_native_uint)
(prefix_length + 1)];
num_segments = (u8)
internal_name[(acpi_size) prefix_length + 1];
break;
case AML_DUAL_NAME_PREFIX:
@ -823,7 +823,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type)
acpi_status
acpi_ns_get_node(struct acpi_namespace_node *prefix_node,
char *pathname,
const char *pathname,
u32 flags, struct acpi_namespace_node **return_node)
{
union acpi_generic_state scope_info;

View file

@ -182,7 +182,6 @@ acpi_evaluate_object(acpi_handle handle,
}
info->pathname = pathname;
info->parameter_type = ACPI_PARAM_ARGS;
/* Convert and validate the device handle */
@ -442,7 +441,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle,
u32 flags;
struct acpica_device_id hid;
struct acpi_compatible_id_list *cid;
acpi_native_uint i;
u32 i;
int found;
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);

View file

@ -120,10 +120,10 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
struct acpi_srat_mem_affinity *p =
(struct acpi_srat_mem_affinity *)header;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"SRAT Memory (0x%lx length 0x%lx type 0x%x) in proximity domain %d %s%s\n",
"SRAT Memory (0x%lx length 0x%lx) in proximity domain %d %s%s\n",
(unsigned long)p->base_address,
(unsigned long)p->length,
p->memory_type, p->proximity_domain,
p->proximity_domain,
(p->flags & ACPI_SRAT_MEM_ENABLED)?
"enabled" : "disabled",
(p->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)?

View file

@ -76,7 +76,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
{
u8 *aml = parser_state->aml;
u32 package_length = 0;
acpi_native_uint byte_count;
u32 byte_count;
u8 byte_zero_mask = 0x3F; /* Default [0:5] */
ACPI_FUNCTION_TRACE(ps_get_next_package_length);
@ -86,7 +86,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
* used to encode the package length, either 0,1,2, or 3
*/
byte_count = (aml[0] >> 6);
parser_state->aml += (byte_count + 1);
parser_state->aml += ((acpi_size) byte_count + 1);
/* Get bytes 3, 2, 1 as needed */

View file

@ -333,9 +333,9 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
static void
acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
{
acpi_native_uint i;
u32 i;
if ((info->parameter_type == ACPI_PARAM_ARGS) && (info->parameters)) {
if (info->parameters) {
/* Update reference count for each parameter */

View file

@ -162,7 +162,7 @@ do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt)
!strcmp(prt->source, quirk->source) &&
strlen(prt->source) >= strlen(quirk->actual_source)) {
printk(KERN_WARNING PREFIX "firmware reports "
"%04x:%02x:%02x[%c] connected to %s; "
"%04x:%02x:%02x PCI INT %c connected to %s; "
"changing to %s\n",
entry->id.segment, entry->id.bus,
entry->id.device, 'A' + entry->pin,
@ -429,7 +429,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
{
struct pci_dev *bridge = dev;
int irq = -1;
u8 bridge_pin = 0;
u8 bridge_pin = 0, orig_pin = pin;
if (!dev)
@ -463,8 +463,8 @@ acpi_pci_irq_derive(struct pci_dev *dev,
}
if (irq < 0) {
printk(KERN_WARNING PREFIX "Unable to derive IRQ for device %s\n",
pci_name(dev));
dev_warn(&dev->dev, "can't derive routing for PCI INT %c\n",
'A' + orig_pin);
return -1;
}
@ -487,6 +487,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
int triggering = ACPI_LEVEL_SENSITIVE;
int polarity = ACPI_ACTIVE_LOW;
char *link = NULL;
char link_desc[16];
int rc;
@ -503,7 +504,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
pin--;
if (!dev->bus) {
printk(KERN_ERR PREFIX "Invalid (NULL) 'bus' field\n");
dev_err(&dev->dev, "invalid (NULL) 'bus' field\n");
return -ENODEV;
}
@ -538,8 +539,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
* driver reported one, then use it. Exit in any case.
*/
if (irq < 0) {
printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: no GSI",
pci_name(dev), ('A' + pin));
dev_warn(&dev->dev, "PCI INT %c: no GSI", 'A' + pin);
/* Interrupt Line values above 0xF are forbidden */
if (dev->irq > 0 && (dev->irq <= 0xF)) {
printk(" - using IRQ %d\n", dev->irq);
@ -554,21 +554,21 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
rc = acpi_register_gsi(irq, triggering, polarity);
if (rc < 0) {
printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed "
"to register GSI\n", pci_name(dev), ('A' + pin));
dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n",
'A' + pin);
return rc;
}
dev->irq = rc;
printk(KERN_INFO PREFIX "PCI Interrupt %s[%c] -> ",
pci_name(dev), 'A' + pin);
if (link)
printk("Link [%s] -> ", link);
snprintf(link_desc, sizeof(link_desc), " -> Link[%s]", link);
else
link_desc[0] = '\0';
printk("GSI %u (%s, %s) -> IRQ %d\n", irq,
(triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
(polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n",
'A' + pin, link_desc, irq,
(triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
(polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
return 0;
}
@ -616,10 +616,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
* (e.g. PCI_UNDEFINED_IRQ).
*/
printk(KERN_INFO PREFIX "PCI interrupt for device %s disabled\n",
pci_name(dev));
dev_info(&dev->dev, "PCI INT %c disabled\n", 'A' + pin);
acpi_unregister_gsi(gsi);
return;
}

368
drivers/acpi/pci_slot.c Normal file
View file

@ -0,0 +1,368 @@
/*
* pci_slot.c - ACPI PCI Slot Driver
*
* The code here is heavily leveraged from the acpiphp module.
* Thanks to Matthew Wilcox <matthew@wil.cx> for much guidance.
* Thanks to Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> for code
* review and fixes.
*
* Copyright (C) 2007 Alex Chiang <achiang@hp.com>
* Copyright (C) 2007 Hewlett-Packard Development Company, L.P.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
static int debug;
static int check_sta_before_sun;
#define DRIVER_VERSION "0.1"
#define DRIVER_AUTHOR "Alex Chiang <[email protected]>"
#define DRIVER_DESC "ACPI PCI Slot Detection Driver"
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
module_param(debug, bool, 0644);
#define _COMPONENT ACPI_PCI_COMPONENT
ACPI_MODULE_NAME("pci_slot");
#define MY_NAME "pci_slot"
#define err(format, arg...) printk(KERN_ERR "%s: " format , MY_NAME , ## arg)
#define info(format, arg...) printk(KERN_INFO "%s: " format , MY_NAME , ## arg)
#define dbg(format, arg...) \
do { \
if (debug) \
printk(KERN_DEBUG "%s: " format, \
MY_NAME , ## arg); \
} while (0)
#define SLOT_NAME_SIZE 20 /* Inspired by #define in acpiphp.h */
struct acpi_pci_slot {
acpi_handle root_handle; /* handle of the root bridge */
struct pci_slot *pci_slot; /* corresponding pci_slot */
struct list_head list; /* node in the list of slots */
};
static int acpi_pci_slot_add(acpi_handle handle);
static void acpi_pci_slot_remove(acpi_handle handle);
static LIST_HEAD(slot_list);
static DEFINE_MUTEX(slot_list_lock);
static struct acpi_pci_driver acpi_pci_slot_driver = {
.add = acpi_pci_slot_add,
.remove = acpi_pci_slot_remove,
};
static int
check_slot(acpi_handle handle, int *device, unsigned long *sun)
{
int retval = 0;
unsigned long adr, sta;
acpi_status status;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
dbg("Checking slot on path: %s\n", (char *)buffer.pointer);
if (check_sta_before_sun) {
/* If SxFy doesn't have _STA, we just assume it's there */
status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
if (ACPI_SUCCESS(status) && !(sta & ACPI_STA_DEVICE_PRESENT)) {
retval = -1;
goto out;
}
}
status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
if (ACPI_FAILURE(status)) {
dbg("_ADR returned %d on %s\n", status, (char *)buffer.pointer);
retval = -1;
goto out;
}
*device = (adr >> 16) & 0xffff;
/* No _SUN == not a slot == bail */
status = acpi_evaluate_integer(handle, "_SUN", NULL, sun);
if (ACPI_FAILURE(status)) {
dbg("_SUN returned %d on %s\n", status, (char *)buffer.pointer);
retval = -1;
goto out;
}
out:
kfree(buffer.pointer);
return retval;
}
struct callback_args {
acpi_walk_callback user_function; /* only for walk_p2p_bridge */
struct pci_bus *pci_bus;
acpi_handle root_handle;
};
/*
* register_slot
*
* Called once for each SxFy object in the namespace. Don't worry about
* calling pci_create_slot multiple times for the same pci_bus:device,
* since each subsequent call simply bumps the refcount on the pci_slot.
*
* The number of calls to pci_destroy_slot from unregister_slot is
* symmetrical.
*/
static acpi_status
register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
{
int device;
unsigned long sun;
char name[SLOT_NAME_SIZE];
struct acpi_pci_slot *slot;
struct pci_slot *pci_slot;
struct callback_args *parent_context = context;
struct pci_bus *pci_bus = parent_context->pci_bus;
if (check_slot(handle, &device, &sun))
return AE_OK;
slot = kmalloc(sizeof(*slot), GFP_KERNEL);
if (!slot) {
err("%s: cannot allocate memory\n", __func__);
return AE_OK;
}
snprintf(name, sizeof(name), "%u", (u32)sun);
pci_slot = pci_create_slot(pci_bus, device, name);
if (IS_ERR(pci_slot)) {
err("pci_create_slot returned %ld\n", PTR_ERR(pci_slot));
kfree(slot);
}
slot->root_handle = parent_context->root_handle;
slot->pci_slot = pci_slot;
INIT_LIST_HEAD(&slot->list);
mutex_lock(&slot_list_lock);
list_add(&slot->list, &slot_list);
mutex_unlock(&slot_list_lock);
dbg("pci_slot: %p, pci_bus: %x, device: %d, name: %s\n",
pci_slot, pci_bus->number, device, name);
return AE_OK;
}
/*
* walk_p2p_bridge - discover and walk p2p bridges
* @handle: points to an acpi_pci_root
* @context: p2p_bridge_context pointer
*
* Note that when we call ourselves recursively, we pass a different
* value of pci_bus in the child_context.
*/
static acpi_status
walk_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
{
int device, function;
unsigned long adr;
acpi_status status;
acpi_handle dummy_handle;
acpi_walk_callback user_function;
struct pci_dev *dev;
struct pci_bus *pci_bus;
struct callback_args child_context;
struct callback_args *parent_context = context;
pci_bus = parent_context->pci_bus;
user_function = parent_context->user_function;
status = acpi_get_handle(handle, "_ADR", &dummy_handle);
if (ACPI_FAILURE(status))
return AE_OK;
status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
if (ACPI_FAILURE(status))
return AE_OK;
device = (adr >> 16) & 0xffff;
function = adr & 0xffff;
dev = pci_get_slot(pci_bus, PCI_DEVFN(device, function));
if (!dev || !dev->subordinate)
goto out;
child_context.pci_bus = dev->subordinate;
child_context.user_function = user_function;
child_context.root_handle = parent_context->root_handle;
dbg("p2p bridge walk, pci_bus = %x\n", dev->subordinate->number);
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
user_function, &child_context, NULL);
if (ACPI_FAILURE(status))
goto out;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
walk_p2p_bridge, &child_context, NULL);
out:
pci_dev_put(dev);
return AE_OK;
}
/*
* walk_root_bridge - generic root bridge walker
* @handle: points to an acpi_pci_root
* @user_function: user callback for slot objects
*
* Call user_function for all objects underneath this root bridge.
* Walk p2p bridges underneath us and call user_function on those too.
*/
static int
walk_root_bridge(acpi_handle handle, acpi_walk_callback user_function)
{
int seg, bus;
unsigned long tmp;
acpi_status status;
acpi_handle dummy_handle;
struct pci_bus *pci_bus;
struct callback_args context;
/* If the bridge doesn't have _STA, we assume it is always there */
status = acpi_get_handle(handle, "_STA", &dummy_handle);
if (ACPI_SUCCESS(status)) {
status = acpi_evaluate_integer(handle, "_STA", NULL, &tmp);
if (ACPI_FAILURE(status)) {
info("%s: _STA evaluation failure\n", __func__);
return 0;
}
if ((tmp & ACPI_STA_DEVICE_FUNCTIONING) == 0)
/* don't register this object */
return 0;
}
status = acpi_evaluate_integer(handle, "_SEG", NULL, &tmp);
seg = ACPI_SUCCESS(status) ? tmp : 0;
status = acpi_evaluate_integer(handle, "_BBN", NULL, &tmp);
bus = ACPI_SUCCESS(status) ? tmp : 0;
pci_bus = pci_find_bus(seg, bus);
if (!pci_bus)
return 0;
context.pci_bus = pci_bus;
context.user_function = user_function;
context.root_handle = handle;
dbg("root bridge walk, pci_bus = %x\n", pci_bus->number);
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
user_function, &context, NULL);
if (ACPI_FAILURE(status))
return status;
status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
walk_p2p_bridge, &context, NULL);
if (ACPI_FAILURE(status))
err("%s: walk_p2p_bridge failure - %d\n", __func__, status);
return status;
}
/*
* acpi_pci_slot_add
* @handle: points to an acpi_pci_root
*/
static int
acpi_pci_slot_add(acpi_handle handle)
{
acpi_status status;
status = walk_root_bridge(handle, register_slot);
if (ACPI_FAILURE(status))
err("%s: register_slot failure - %d\n", __func__, status);
return status;
}
/*
* acpi_pci_slot_remove
* @handle: points to an acpi_pci_root
*/
static void
acpi_pci_slot_remove(acpi_handle handle)
{
struct acpi_pci_slot *slot, *tmp;
mutex_lock(&slot_list_lock);
list_for_each_entry_safe(slot, tmp, &slot_list, list) {
if (slot->root_handle == handle) {
list_del(&slot->list);
pci_destroy_slot(slot->pci_slot);
kfree(slot);
}
}
mutex_unlock(&slot_list_lock);
}
static int do_sta_before_sun(const struct dmi_system_id *d)
{
info("%s detected: will evaluate _STA before calling _SUN\n", d->ident);
check_sta_before_sun = 1;
return 0;
}
static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = {
/*
* Fujitsu Primequest machines will return 1023 to indicate an
* error if the _SUN method is evaluated on SxFy objects that
* are not present (as indicated by _STA), so for those machines,
* we want to check _STA before evaluating _SUN.
*/
{
.callback = do_sta_before_sun,
.ident = "Fujitsu PRIMEQUEST",
.matches = {
DMI_MATCH(DMI_BIOS_VENDOR, "FUJITSU LIMITED"),
DMI_MATCH(DMI_BIOS_VERSION, "PRIMEQUEST"),
},
},
{}
};
static int __init
acpi_pci_slot_init(void)
{
dmi_check_system(acpi_pci_slot_dmi_table);
acpi_pci_register_driver(&acpi_pci_slot_driver);
return 0;
}
static void __exit
acpi_pci_slot_exit(void)
{
acpi_pci_unregister_driver(&acpi_pci_slot_driver);
}
module_init(acpi_pci_slot_init);
module_exit(acpi_pci_slot_exit);

View file

@ -292,69 +292,135 @@ static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev)
return 0;
}
/**
* acpi_device_sleep_wake - execute _DSW (Device Sleep Wake) or (deprecated in
* ACPI 3.0) _PSW (Power State Wake)
* @dev: Device to handle.
* @enable: 0 - disable, 1 - enable the wake capabilities of the device.
* @sleep_state: Target sleep state of the system.
* @dev_state: Target power state of the device.
*
* Execute _DSW (Device Sleep Wake) or (deprecated in ACPI 3.0) _PSW (Power
* State Wake) for the device, if present. On failure reset the device's
* wakeup.flags.valid flag.
*
* RETURN VALUE:
* 0 if either _DSW or _PSW has been successfully executed
* 0 if neither _DSW nor _PSW has been found
* -ENODEV if the execution of either _DSW or _PSW has failed
*/
int acpi_device_sleep_wake(struct acpi_device *dev,
int enable, int sleep_state, int dev_state)
{
union acpi_object in_arg[3];
struct acpi_object_list arg_list = { 3, in_arg };
acpi_status status = AE_OK;
/*
* Try to execute _DSW first.
*
* Three agruments are needed for the _DSW object:
* Argument 0: enable/disable the wake capabilities
* Argument 1: target system state
* Argument 2: target device state
* When _DSW object is called to disable the wake capabilities, maybe
* the first argument is filled. The values of the other two agruments
* are meaningless.
*/
in_arg[0].type = ACPI_TYPE_INTEGER;
in_arg[0].integer.value = enable;
in_arg[1].type = ACPI_TYPE_INTEGER;
in_arg[1].integer.value = sleep_state;
in_arg[2].type = ACPI_TYPE_INTEGER;
in_arg[2].integer.value = dev_state;
status = acpi_evaluate_object(dev->handle, "_DSW", &arg_list, NULL);
if (ACPI_SUCCESS(status)) {
return 0;
} else if (status != AE_NOT_FOUND) {
printk(KERN_ERR PREFIX "_DSW execution failed\n");
dev->wakeup.flags.valid = 0;
return -ENODEV;
}
/* Execute _PSW */
arg_list.count = 1;
in_arg[0].integer.value = enable;
status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
printk(KERN_ERR PREFIX "_PSW execution failed\n");
dev->wakeup.flags.valid = 0;
return -ENODEV;
}
return 0;
}
/*
* Prepare a wakeup device, two steps (Ref ACPI 2.0:P229):
* 1. Power on the power resources required for the wakeup device
* 2. Enable _PSW (power state wake) for the device if present
* 2. Execute _DSW (Device Sleep Wake) or (deprecated in ACPI 3.0) _PSW (Power
* State Wake) for the device, if present
*/
int acpi_enable_wakeup_device_power(struct acpi_device *dev)
int acpi_enable_wakeup_device_power(struct acpi_device *dev, int sleep_state)
{
union acpi_object arg = { ACPI_TYPE_INTEGER };
struct acpi_object_list arg_list = { 1, &arg };
acpi_status status = AE_OK;
int i;
int ret = 0;
int i, err;
if (!dev || !dev->wakeup.flags.valid)
return -1;
return -EINVAL;
/*
* Do not execute the code below twice in a row without calling
* acpi_disable_wakeup_device_power() in between for the same device
*/
if (dev->wakeup.flags.prepared)
return 0;
arg.integer.value = 1;
/* Open power resource */
for (i = 0; i < dev->wakeup.resources.count; i++) {
ret = acpi_power_on(dev->wakeup.resources.handles[i], dev);
int ret = acpi_power_on(dev->wakeup.resources.handles[i], dev);
if (ret) {
printk(KERN_ERR PREFIX "Transition power state\n");
dev->wakeup.flags.valid = 0;
return -1;
return -ENODEV;
}
}
/* Execute PSW */
status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
printk(KERN_ERR PREFIX "Evaluate _PSW\n");
dev->wakeup.flags.valid = 0;
ret = -1;
}
/*
* Passing 3 as the third argument below means the device may be placed
* in arbitrary power state afterwards.
*/
err = acpi_device_sleep_wake(dev, 1, sleep_state, 3);
if (!err)
dev->wakeup.flags.prepared = 1;
return ret;
return err;
}
/*
* Shutdown a wakeup device, counterpart of above method
* 1. Disable _PSW (power state wake)
* 1. Execute _DSW (Device Sleep Wake) or (deprecated in ACPI 3.0) _PSW (Power
* State Wake) for the device, if present
* 2. Shutdown down the power resources
*/
int acpi_disable_wakeup_device_power(struct acpi_device *dev)
{
union acpi_object arg = { ACPI_TYPE_INTEGER };
struct acpi_object_list arg_list = { 1, &arg };
acpi_status status = AE_OK;
int i;
int ret = 0;
int i, ret;
if (!dev || !dev->wakeup.flags.valid)
return -1;
return -EINVAL;
arg.integer.value = 0;
/* Execute PSW */
status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL);
if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) {
printk(KERN_ERR PREFIX "Evaluate _PSW\n");
dev->wakeup.flags.valid = 0;
return -1;
}
/*
* Do not execute the code below twice in a row without calling
* acpi_enable_wakeup_device_power() in between for the same device
*/
if (!dev->wakeup.flags.prepared)
return 0;
dev->wakeup.flags.prepared = 0;
ret = acpi_device_sleep_wake(dev, 0, 0, 0);
if (ret)
return ret;
/* Close power resource */
for (i = 0; i < dev->wakeup.resources.count; i++) {
@ -362,7 +428,7 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev)
if (ret) {
printk(KERN_ERR PREFIX "Transition power state\n");
dev->wakeup.flags.valid = 0;
return -1;
return -ENODEV;
}
}

View file

@ -118,8 +118,31 @@ static const struct file_operations acpi_processor_info_fops = {
.release = single_release,
};
struct acpi_processor *processors[NR_CPUS];
DEFINE_PER_CPU(struct acpi_processor *, processors);
struct acpi_processor_errata errata __read_mostly;
static int set_no_mwait(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
"disable mwait for CPU C-stetes\n", id->ident);
idle_nomwait = 1;
return 0;
}
static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
{
set_no_mwait, "IFL91 board", {
DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
{
set_no_mwait, "Extensa 5220", {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
DMI_MATCH(DMI_SYS_VENDOR, "ACER"),
DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
{},
};
/* --------------------------------------------------------------------------
Errata Handling
@ -265,7 +288,20 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr)
if (!pdc_in)
return status;
if (idle_nomwait) {
/*
* If mwait is disabled for CPU C-states, the C2C3_FFH access
* mode will be disabled in the parameter of _PDC object.
* Of course C1_FFH access mode will also be disabled.
*/
union acpi_object *obj;
u32 *buffer = NULL;
obj = pdc_in->pointer;
buffer = (u32 *)(obj->buffer.pointer);
buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
}
status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
if (ACPI_FAILURE(status))
@ -614,14 +650,14 @@ static int acpi_processor_get_info(struct acpi_processor *pr, unsigned has_uid)
return 0;
}
static void *processor_device_array[NR_CPUS];
static DEFINE_PER_CPU(void *, processor_device_array);
static int __cpuinit acpi_processor_start(struct acpi_device *device)
{
int result = 0;
acpi_status status = AE_OK;
struct acpi_processor *pr;
struct sys_device *sysdev;
pr = acpi_driver_data(device);
@ -638,20 +674,24 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
* ACPI id of processors can be reported wrongly by the BIOS.
* Don't trust it blindly
*/
if (processor_device_array[pr->id] != NULL &&
processor_device_array[pr->id] != device) {
if (per_cpu(processor_device_array, pr->id) != NULL &&
per_cpu(processor_device_array, pr->id) != device) {
printk(KERN_WARNING "BIOS reported wrong ACPI id "
"for the processor\n");
return -ENODEV;
}
processor_device_array[pr->id] = device;
per_cpu(processor_device_array, pr->id) = device;
processors[pr->id] = pr;
per_cpu(processors, pr->id) = pr;
result = acpi_processor_add_fs(device);
if (result)
goto end;
sysdev = get_cpu_sysdev(pr->id);
if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev"))
return -EFAULT;
status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify, pr);
@ -749,7 +789,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
struct acpi_processor *pr = processors[cpu];
struct acpi_processor *pr = per_cpu(processors, cpu);
if (action == CPU_ONLINE && pr) {
acpi_processor_ppc_has_changed(pr);
@ -810,6 +850,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY,
acpi_processor_notify);
sysfs_remove_link(&device->dev.kobj, "sysdev");
acpi_processor_remove_fs(device);
if (pr->cdev) {
@ -819,8 +861,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
pr->cdev = NULL;
}
processors[pr->id] = NULL;
processor_device_array[pr->id] = NULL;
per_cpu(processors, pr->id) = NULL;
per_cpu(processor_device_array, pr->id) = NULL;
kfree(pr);
return 0;
@ -1014,9 +1056,9 @@ static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
static int acpi_processor_handle_eject(struct acpi_processor *pr)
{
if (cpu_online(pr->id)) {
return (-EINVAL);
}
if (cpu_online(pr->id))
cpu_down(pr->id);
arch_unregister_cpu(pr->id);
acpi_unmap_lsapic(pr->id);
return (0);
@ -1068,8 +1110,6 @@ static int __init acpi_processor_init(void)
{
int result = 0;
memset(&processors, 0, sizeof(processors));
memset(&errata, 0, sizeof(errata));
#ifdef CONFIG_SMP
@ -1083,6 +1123,11 @@ static int __init acpi_processor_init(void)
return -ENOMEM;
acpi_processor_dir->owner = THIS_MODULE;
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
*/
dmi_check_system(processor_idle_dmi_table);
result = cpuidle_register_driver(&acpi_idle_driver);
if (result < 0)
goto out_proc;

View file

@ -41,6 +41,7 @@
#include <linux/pm_qos_params.h>
#include <linux/clockchips.h>
#include <linux/cpuidle.h>
#include <linux/cpuidle.h>
/*
* Include the apic definitions for x86 to have the APIC timer related defines
@ -57,6 +58,7 @@
#include <acpi/acpi_bus.h>
#include <acpi/processor.h>
#include <asm/processor.h>
#define ACPI_PROCESSOR_COMPONENT 0x01000000
#define ACPI_PROCESSOR_CLASS "processor"
@ -401,7 +403,7 @@ static void acpi_processor_idle(void)
*/
local_irq_disable();
pr = processors[smp_processor_id()];
pr = __get_cpu_var(processors);
if (!pr) {
local_irq_enable();
return;
@ -955,6 +957,21 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
} else {
continue;
}
if (cx.type == ACPI_STATE_C1 &&
(idle_halt || idle_nomwait)) {
/*
* In most cases the C1 space_id obtained from
* _CST object is FIXED_HARDWARE access mode.
* But when the option of idle=halt is added,
* the entry_method type should be changed from
* CSTATE_FFH to CSTATE_HALT.
* When the option of idle=nomwait is added,
* the C1 entry_method type should be
* CSTATE_HALT.
*/
cx.entry_method = ACPI_CSTATE_HALT;
snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI HLT");
}
} else {
snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI IOPORT 0x%x",
cx.address);
@ -1431,7 +1448,7 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
struct acpi_processor *pr;
struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
pr = processors[smp_processor_id()];
pr = __get_cpu_var(processors);
if (unlikely(!pr))
return 0;
@ -1471,7 +1488,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
u32 t1, t2;
int sleep_ticks = 0;
pr = processors[smp_processor_id()];
pr = __get_cpu_var(processors);
if (unlikely(!pr))
return 0;
@ -1549,7 +1566,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
u32 t1, t2;
int sleep_ticks = 0;
pr = processors[smp_processor_id()];
pr = __get_cpu_var(processors);
if (unlikely(!pr))
return 0;
@ -1780,6 +1797,15 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
return 0;
if (!first_run) {
if (idle_halt) {
/*
* When the boot option of "idle=halt" is added, halt
* is used for CPU IDLE.
* In such case C2/C3 is meaningless. So the max_cstate
* is set to one.
*/
max_cstate = 1;
}
dmi_check_system(processor_power_dmi_table);
max_cstate = acpi_processor_cstate_check(max_cstate);
if (max_cstate < ACPI_C_STATES_MAX)

View file

@ -89,7 +89,7 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
if (event != CPUFREQ_INCOMPATIBLE)
goto out;
pr = processors[policy->cpu];
pr = per_cpu(processors, policy->cpu);
if (!pr || !pr->performance)
goto out;
@ -572,7 +572,7 @@ int acpi_processor_preregister_performance(
/* Call _PSD for all CPUs */
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr) {
/* Look only at processors in ACPI namespace */
continue;
@ -603,7 +603,7 @@ int acpi_processor_preregister_performance(
* domain info.
*/
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr)
continue;
@ -624,7 +624,7 @@ int acpi_processor_preregister_performance(
cpus_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr)
continue;
@ -651,7 +651,7 @@ int acpi_processor_preregister_performance(
if (i == j)
continue;
match_pr = processors[j];
match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@ -680,7 +680,7 @@ int acpi_processor_preregister_performance(
if (i == j)
continue;
match_pr = processors[j];
match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@ -697,7 +697,7 @@ int acpi_processor_preregister_performance(
err_ret:
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr || !pr->performance)
continue;
@ -728,7 +728,7 @@ acpi_processor_register_performance(struct acpi_processor_performance
mutex_lock(&performance_mutex);
pr = processors[cpu];
pr = per_cpu(processors, cpu);
if (!pr) {
mutex_unlock(&performance_mutex);
return -ENODEV;
@ -766,7 +766,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance
mutex_lock(&performance_mutex);
pr = processors[cpu];
pr = per_cpu(processors, cpu);
if (!pr) {
mutex_unlock(&performance_mutex);
return;

View file

@ -71,7 +71,7 @@ static int acpi_processor_update_tsd_coord(void)
* coordination between all CPUs.
*/
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr)
continue;
@ -93,7 +93,7 @@ static int acpi_processor_update_tsd_coord(void)
cpus_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr)
continue;
@ -119,7 +119,7 @@ static int acpi_processor_update_tsd_coord(void)
if (i == j)
continue;
match_pr = processors[j];
match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@ -152,7 +152,7 @@ static int acpi_processor_update_tsd_coord(void)
if (i == j)
continue;
match_pr = processors[j];
match_pr = per_cpu(processors, j);
if (!match_pr)
continue;
@ -172,7 +172,7 @@ static int acpi_processor_update_tsd_coord(void)
err_ret:
for_each_possible_cpu(i) {
pr = processors[i];
pr = per_cpu(processors, i);
if (!pr)
continue;
@ -214,7 +214,7 @@ static int acpi_processor_throttling_notifier(unsigned long event, void *data)
struct acpi_processor_throttling *p_throttling;
cpu = p_tstate->cpu;
pr = processors[cpu];
pr = per_cpu(processors, cpu);
if (!pr) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid pr pointer\n"));
return 0;
@ -1035,7 +1035,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
* cpus.
*/
for_each_cpu_mask_nr(i, online_throttling_cpus) {
match_pr = processors[i];
match_pr = per_cpu(processors, i);
/*
* If the pointer is invalid, we will report the
* error message and continue.
@ -1232,7 +1232,10 @@ static ssize_t acpi_processor_write_throttling(struct file *file,
int result = 0;
struct seq_file *m = file->private_data;
struct acpi_processor *pr = m->private;
char state_string[12] = { '\0' };
char state_string[5] = "";
char *charp = NULL;
size_t state_val = 0;
char tmpbuf[5] = "";
if (!pr || (count > sizeof(state_string) - 1))
return -EINVAL;
@ -1241,10 +1244,23 @@ static ssize_t acpi_processor_write_throttling(struct file *file,
return -EFAULT;
state_string[count] = '\0';
if ((count > 0) && (state_string[count-1] == '\n'))
state_string[count-1] = '\0';
result = acpi_processor_set_throttling(pr,
simple_strtoul(state_string,
NULL, 0));
charp = state_string;
if ((state_string[0] == 't') || (state_string[0] == 'T'))
charp++;
state_val = simple_strtoul(charp, NULL, 0);
if (state_val >= pr->throttling.state_count)
return -EINVAL;
snprintf(tmpbuf, 5, "%zu", state_val);
if (strcmp(tmpbuf, charp) != 0)
return -EINVAL;
result = acpi_processor_set_throttling(pr, state_val);
if (result)
return result;

50
drivers/acpi/reboot.c Normal file
View file

@ -0,0 +1,50 @@
#include <linux/pci.h>
#include <linux/acpi.h>
#include <acpi/reboot.h>
void acpi_reboot(void)
{
struct acpi_generic_address *rr;
struct pci_bus *bus0;
u8 reset_value;
unsigned int devfn;
if (acpi_disabled)
return;
rr = &acpi_gbl_FADT.reset_register;
/* Is the reset register supported? */
if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) ||
rr->bit_width != 8 || rr->bit_offset != 0)
return;
reset_value = acpi_gbl_FADT.reset_value;
/* The reset register can only exist in I/O, Memory or PCI config space
* on a device on bus 0. */
switch (rr->space_id) {
case ACPI_ADR_SPACE_PCI_CONFIG:
/* The reset register can only live on bus 0. */
bus0 = pci_find_bus(0, 0);
if (!bus0)
return;
/* Form PCI device/function pair. */
devfn = PCI_DEVFN((rr->address >> 32) & 0xffff,
(rr->address >> 16) & 0xffff);
printk(KERN_DEBUG "Resetting with ACPI PCI RESET_REG.");
/* Write the value that resets us. */
pci_bus_write_config_byte(bus0, devfn,
(rr->address & 0xffff), reset_value);
break;
case ACPI_ADR_SPACE_SYSTEM_MEMORY:
case ACPI_ADR_SPACE_SYSTEM_IO:
printk(KERN_DEBUG "ACPI MEMORY or I/O RESET_REG.\n");
acpi_hw_low_level_write(8, reset_value, rr);
break;
}
/* Wait ten seconds */
acpi_os_stall(10000000);
}

View file

@ -73,7 +73,7 @@ acpi_rs_stream_option_length(u32 resource_length, u32 minimum_total_length);
static u8 acpi_rs_count_set_bits(u16 bit_field)
{
acpi_native_uint bits_set;
u8 bits_set;
ACPI_FUNCTION_ENTRY();
@ -84,7 +84,7 @@ static u8 acpi_rs_count_set_bits(u16 bit_field)
bit_field &= (u16) (bit_field - 1);
}
return ((u8) bits_set);
return bits_set;
}
/*******************************************************************************

View file

@ -181,9 +181,9 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
}
/*
* Loop through the ACPI_INTERNAL_OBJECTS - Each object
* should be a package that in turn contains an
* acpi_integer Address, a u8 Pin, a Name and a u8 source_index.
* Loop through the ACPI_INTERNAL_OBJECTS - Each object should be a
* package that in turn contains an acpi_integer Address, a u8 Pin,
* a Name, and a u8 source_index.
*/
top_object_list = package_object->package.elements;
number_of_elements = package_object->package.count;
@ -240,9 +240,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/* 1) First subobject: Dereference the PRT.Address */
obj_desc = sub_object_list[0];
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
user_prt->address = obj_desc->integer.value;
} else {
if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Address) Need Integer, found %s",
index,
@ -250,12 +248,12 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
return_ACPI_STATUS(AE_BAD_DATA);
}
user_prt->address = obj_desc->integer.value;
/* 2) Second subobject: Dereference the PRT.Pin */
obj_desc = sub_object_list[1];
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
user_prt->pin = (u32) obj_desc->integer.value;
} else {
if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].Pin) Need Integer, found %s",
index,
@ -284,6 +282,25 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
}
}
user_prt->pin = (u32) obj_desc->integer.value;
/*
* If the BIOS has erroneously reversed the _PRT source_name (index 2)
* and the source_index (index 3), fix it. _PRT is important enough to
* workaround this BIOS error. This also provides compatibility with
* other ACPI implementations.
*/
obj_desc = sub_object_list[3];
if (!obj_desc
|| (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER)) {
sub_object_list[3] = sub_object_list[2];
sub_object_list[2] = obj_desc;
ACPI_WARNING((AE_INFO,
"(PRT[%X].Source) SourceName and SourceIndex are reversed, fixed",
index));
}
/*
* 3) Third subobject: Dereference the PRT.source_name
* The name may be unresolved (slack mode), so allow a null object
@ -364,9 +381,7 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
/* 4) Fourth subobject: Dereference the PRT.source_index */
obj_desc = sub_object_list[source_index_index];
if (ACPI_GET_OBJECT_TYPE(obj_desc) == ACPI_TYPE_INTEGER) {
user_prt->source_index = (u32) obj_desc->integer.value;
} else {
if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_INTEGER) {
ACPI_ERROR((AE_INFO,
"(PRT[%X].SourceIndex) Need Integer, found %s",
index,
@ -374,6 +389,8 @@ acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
return_ACPI_STATUS(AE_BAD_DATA);
}
user_prt->source_index = (u32) obj_desc->integer.value;
/* Point to the next union acpi_operand_object in the top level package */
top_object_list++;

View file

@ -82,7 +82,7 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource);
if (((acpi_native_uint) resource) & 0x3) {
if (((acpi_size) resource) & 0x3) {
/* Each internal resource struct is expected to be 32-bit aligned */

View file

@ -62,7 +62,7 @@ ACPI_MODULE_NAME("rsutils")
******************************************************************************/
u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
{
acpi_native_uint i;
u8 i;
u8 bit_count;
ACPI_FUNCTION_ENTRY();
@ -71,7 +71,7 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
for (i = 0, bit_count = 0; mask; i++) {
if (mask & 0x0001) {
list[bit_count] = (u8) i;
list[bit_count] = i;
bit_count++;
}
@ -96,8 +96,8 @@ u8 acpi_rs_decode_bitmask(u16 mask, u8 * list)
u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
{
acpi_native_uint i;
acpi_native_uint mask;
u32 i;
u16 mask;
ACPI_FUNCTION_ENTRY();
@ -107,7 +107,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
mask |= (0x1 << list[i]);
}
return ((u16) mask);
return mask;
}
/*******************************************************************************
@ -130,7 +130,7 @@ u16 acpi_rs_encode_bitmask(u8 * list, u8 count)
void
acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
{
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_ENTRY();
@ -679,7 +679,6 @@ acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
info->prefix_node = node;
info->pathname = METHOD_NAME__SRS;
info->parameters = args;
info->parameter_type = ACPI_PARAM_ARGS;
info->flags = ACPI_IGNORE_RETURN_VALUE;
/*

View file

@ -6,6 +6,8 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/signal.h>
#include <linux/kthread.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */
@ -92,17 +94,37 @@ acpi_device_modalias_show(struct device *dev, struct device_attribute *attr, cha
}
static DEVICE_ATTR(modalias, 0444, acpi_device_modalias_show, NULL);
static int acpi_eject_operation(acpi_handle handle, int lockable)
static int acpi_bus_hot_remove_device(void *context)
{
struct acpi_device *device;
acpi_handle handle = context;
struct acpi_object_list arg_list;
union acpi_object arg;
acpi_status status = AE_OK;
/*
* TBD: evaluate _PS3?
*/
if (acpi_bus_get_device(handle, &device))
return 0;
if (lockable) {
if (!device)
return 0;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Hot-removing device %s...\n", device->dev.bus_id));
if (acpi_bus_trim(device, 1)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Removing device failed\n"));
return -1;
}
/* power off device */
status = acpi_evaluate_object(handle, "_PS3", NULL, NULL);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Power-off device failed\n"));
if (device->flags.lockable) {
arg_list.count = 1;
arg_list.pointer = &arg;
arg.type = ACPI_TYPE_INTEGER;
@ -118,26 +140,22 @@ static int acpi_eject_operation(acpi_handle handle, int lockable)
/*
* TBD: _EJD support.
*/
status = acpi_evaluate_object(handle, "_EJ0", &arg_list, NULL);
if (ACPI_FAILURE(status)) {
return (-ENODEV);
}
if (ACPI_FAILURE(status))
return -ENODEV;
return (0);
return 0;
}
static ssize_t
acpi_eject_store(struct device *d, struct device_attribute *attr,
const char *buf, size_t count)
{
int result;
int ret = count;
int islockable;
acpi_status status;
acpi_handle handle;
acpi_object_type type = 0;
struct acpi_device *acpi_device = to_acpi_device(d);
struct task_struct *task;
if ((!count) || (buf[0] != '1')) {
return -EINVAL;
@ -154,18 +172,12 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
goto err;
}
islockable = acpi_device->flags.lockable;
handle = acpi_device->handle;
result = acpi_bus_trim(acpi_device, 1);
if (!result)
result = acpi_eject_operation(handle, islockable);
if (result) {
ret = -EBUSY;
}
err:
/* remove the device in another thread to fix the deadlock issue */
task = kthread_run(acpi_bus_hot_remove_device,
acpi_device->handle, "acpi_hot_remove_device");
if (IS_ERR(task))
ret = PTR_ERR(task);
err:
return ret;
}
@ -691,9 +703,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
acpi_status status = 0;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
union acpi_object in_arg[3];
struct acpi_object_list arg_list = { 3, in_arg };
acpi_status psw_status = AE_OK;
int psw_error;
struct acpi_device_id button_device_ids[] = {
{"PNP0C0D", 0},
@ -725,39 +735,11 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device)
* So it is necessary to call _DSW object first. Only when it is not
* present will the _PSW object used.
*/
/*
* Three agruments are needed for the _DSW object.
* Argument 0: enable/disable the wake capabilities
* When _DSW object is called to disable the wake capabilities, maybe
* the first argument is filled. The value of the other two agruments
* is meaningless.
*/
in_arg[0].type = ACPI_TYPE_INTEGER;
in_arg[0].integer.value = 0;
in_arg[1].type = ACPI_TYPE_INTEGER;
in_arg[1].integer.value = 0;
in_arg[2].type = ACPI_TYPE_INTEGER;
in_arg[2].integer.value = 0;
psw_status = acpi_evaluate_object(device->handle, "_DSW",
&arg_list, NULL);
if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND))
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in evaluate _DSW\n"));
/*
* When the _DSW object is not present, OSPM will call _PSW object.
*/
if (psw_status == AE_NOT_FOUND) {
/*
* Only one agruments is required for the _PSW object.
* agrument 0: enable/disable the wake capabilities
*/
arg_list.count = 1;
in_arg[0].integer.value = 0;
psw_status = acpi_evaluate_object(device->handle, "_PSW",
&arg_list, NULL);
if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND))
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in "
"evaluate _PSW\n"));
}
psw_error = acpi_device_sleep_wake(device, 0, 0, 0);
if (psw_error)
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"error in _DSW or _PSW evaluation\n"));
/* Power button, Lid switch always enable wakeup */
if (!acpi_match_device_ids(device, button_device_ids))
device->wakeup.flags.run_wake = 1;

View file

@ -24,10 +24,6 @@
u8 sleep_states[ACPI_S_STATE_COUNT];
#ifdef CONFIG_PM_SLEEP
static u32 acpi_target_sleep_state = ACPI_STATE_S0;
#endif
static int acpi_sleep_prepare(u32 acpi_state)
{
#ifdef CONFIG_ACPI_SLEEP
@ -49,9 +45,96 @@ static int acpi_sleep_prepare(u32 acpi_state)
return 0;
}
#ifdef CONFIG_SUSPEND
static struct platform_suspend_ops acpi_suspend_ops;
#ifdef CONFIG_PM_SLEEP
static u32 acpi_target_sleep_state = ACPI_STATE_S0;
/*
* ACPI 1.0 wants us to execute _PTS before suspending devices, so we allow the
* user to request that behavior by using the 'acpi_old_suspend_ordering'
* kernel command line option that causes the following variable to be set.
*/
static bool old_suspend_ordering;
void __init acpi_old_suspend_ordering(void)
{
old_suspend_ordering = true;
}
/**
* acpi_pm_disable_gpes - Disable the GPEs.
*/
static int acpi_pm_disable_gpes(void)
{
acpi_hw_disable_all_gpes();
return 0;
}
/**
* __acpi_pm_prepare - Prepare the platform to enter the target state.
*
* If necessary, set the firmware waking vector and do arch-specific
* nastiness to get the wakeup code to the waking vector.
*/
static int __acpi_pm_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
if (error)
acpi_target_sleep_state = ACPI_STATE_S0;
return error;
}
/**
* acpi_pm_prepare - Prepare the platform to enter the target sleep
* state and disable the GPEs.
*/
static int acpi_pm_prepare(void)
{
int error = __acpi_pm_prepare();
if (!error)
acpi_hw_disable_all_gpes();
return error;
}
/**
* acpi_pm_finish - Instruct the platform to leave a sleep state.
*
* This is called after we wake back up (or if entering the sleep state
* failed).
*/
static void acpi_pm_finish(void)
{
u32 acpi_state = acpi_target_sleep_state;
if (acpi_state == ACPI_STATE_S0)
return;
printk(KERN_INFO PREFIX "Waking up from system sleep state S%d\n",
acpi_state);
acpi_disable_wakeup_device(acpi_state);
acpi_leave_sleep_state(acpi_state);
/* reset firmware waking vector */
acpi_set_firmware_waking_vector((acpi_physical_address) 0);
acpi_target_sleep_state = ACPI_STATE_S0;
}
/**
* acpi_pm_end - Finish up suspend sequence.
*/
static void acpi_pm_end(void)
{
/*
* This is necessary in case acpi_pm_finish() is not called during a
* failing transition to a sleep state.
*/
acpi_target_sleep_state = ACPI_STATE_S0;
}
#endif /* CONFIG_PM_SLEEP */
#ifdef CONFIG_SUSPEND
extern void do_suspend_lowlevel(void);
static u32 acpi_suspend_states[] = {
@ -61,13 +144,10 @@ static u32 acpi_suspend_states[] = {
[PM_SUSPEND_MAX] = ACPI_STATE_S5
};
static int init_8259A_after_S1;
/**
* acpi_suspend_begin - Set the target system sleep state to the state
* associated with given @pm_state, if supported.
*/
static int acpi_suspend_begin(suspend_state_t pm_state)
{
u32 acpi_state = acpi_suspend_states[pm_state];
@ -83,25 +163,6 @@ static int acpi_suspend_begin(suspend_state_t pm_state)
return error;
}
/**
* acpi_suspend_prepare - Do preliminary suspend work.
*
* If necessary, set the firmware waking vector and do arch-specific
* nastiness to get the wakeup code to the waking vector.
*/
static int acpi_suspend_prepare(void)
{
int error = acpi_sleep_prepare(acpi_target_sleep_state);
if (error) {
acpi_target_sleep_state = ACPI_STATE_S0;
return error;
}
return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT;
}
/**
* acpi_suspend_enter - Actually enter a sleep state.
* @pm_state: ignored
@ -110,7 +171,6 @@ static int acpi_suspend_prepare(void)
* assembly, which in turn call acpi_enter_sleep_state().
* It's unfortunate, but it works. Please fix if you're feeling frisky.
*/
static int acpi_suspend_enter(suspend_state_t pm_state)
{
acpi_status status = AE_OK;
@ -167,46 +227,6 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
/**
* acpi_suspend_finish - Instruct the platform to leave a sleep state.
*
* This is called after we wake back up (or if entering the sleep state
* failed).
*/
static void acpi_suspend_finish(void)
{
u32 acpi_state = acpi_target_sleep_state;
acpi_disable_wakeup_device(acpi_state);
acpi_leave_sleep_state(acpi_state);
/* reset firmware waking vector */
acpi_set_firmware_waking_vector((acpi_physical_address) 0);
acpi_target_sleep_state = ACPI_STATE_S0;
#ifdef CONFIG_X86
if (init_8259A_after_S1) {
printk("Broken toshiba laptop -> kicking interrupts\n");
init_8259A(0);
}
#endif
}
/**
* acpi_suspend_end - Finish up suspend sequence.
*/
static void acpi_suspend_end(void)
{
/*
* This is necessary in case acpi_suspend_finish() is not called during a
* failing transition to a sleep state.
*/
acpi_target_sleep_state = ACPI_STATE_S0;
}
static int acpi_suspend_state_valid(suspend_state_t pm_state)
{
u32 acpi_state;
@ -226,30 +246,39 @@ static int acpi_suspend_state_valid(suspend_state_t pm_state)
static struct platform_suspend_ops acpi_suspend_ops = {
.valid = acpi_suspend_state_valid,
.begin = acpi_suspend_begin,
.prepare = acpi_suspend_prepare,
.prepare = acpi_pm_prepare,
.enter = acpi_suspend_enter,
.finish = acpi_suspend_finish,
.end = acpi_suspend_end,
.finish = acpi_pm_finish,
.end = acpi_pm_end,
};
/*
* Toshiba fails to preserve interrupts over S1, reinitialization
* of 8259 is needed after S1 resume.
/**
* acpi_suspend_begin_old - Set the target system sleep state to the
* state associated with given @pm_state, if supported, and
* execute the _PTS control method. This function is used if the
* pre-ACPI 2.0 suspend ordering has been requested.
*/
static int __init init_ints_after_s1(const struct dmi_system_id *d)
static int acpi_suspend_begin_old(suspend_state_t pm_state)
{
printk(KERN_WARNING "%s with broken S1 detected.\n", d->ident);
init_8259A_after_S1 = 1;
return 0;
int error = acpi_suspend_begin(pm_state);
if (!error)
error = __acpi_pm_prepare();
return error;
}
static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
{
.callback = init_ints_after_s1,
.ident = "Toshiba Satellite 4030cdt",
.matches = {DMI_MATCH(DMI_PRODUCT_NAME, "S4030CDT/4.3"),},
},
{},
/*
* The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
* been requested.
*/
static struct platform_suspend_ops acpi_suspend_ops_old = {
.valid = acpi_suspend_state_valid,
.begin = acpi_suspend_begin_old,
.prepare = acpi_pm_disable_gpes,
.enter = acpi_suspend_enter,
.finish = acpi_pm_finish,
.end = acpi_pm_end,
.recover = acpi_pm_finish,
};
#endif /* CONFIG_SUSPEND */
@ -257,22 +286,9 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
static int acpi_hibernation_begin(void)
{
acpi_target_sleep_state = ACPI_STATE_S4;
return 0;
}
static int acpi_hibernation_prepare(void)
{
int error = acpi_sleep_prepare(ACPI_STATE_S4);
if (error) {
acpi_target_sleep_state = ACPI_STATE_S0;
return error;
}
return ACPI_SUCCESS(acpi_hw_disable_all_gpes()) ? 0 : -EFAULT;
}
static int acpi_hibernation_enter(void)
{
acpi_status status = AE_OK;
@ -302,52 +318,55 @@ static void acpi_hibernation_leave(void)
acpi_leave_sleep_state_prep(ACPI_STATE_S4);
}
static void acpi_hibernation_finish(void)
{
acpi_disable_wakeup_device(ACPI_STATE_S4);
acpi_leave_sleep_state(ACPI_STATE_S4);
/* reset firmware waking vector */
acpi_set_firmware_waking_vector((acpi_physical_address) 0);
acpi_target_sleep_state = ACPI_STATE_S0;
}
static void acpi_hibernation_end(void)
{
/*
* This is necessary in case acpi_hibernation_finish() is not called
* during a failing transition to the sleep state.
*/
acpi_target_sleep_state = ACPI_STATE_S0;
}
static int acpi_hibernation_pre_restore(void)
{
acpi_status status;
status = acpi_hw_disable_all_gpes();
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
static void acpi_hibernation_restore_cleanup(void)
static void acpi_pm_enable_gpes(void)
{
acpi_hw_enable_all_runtime_gpes();
}
static struct platform_hibernation_ops acpi_hibernation_ops = {
.begin = acpi_hibernation_begin,
.end = acpi_hibernation_end,
.pre_snapshot = acpi_hibernation_prepare,
.finish = acpi_hibernation_finish,
.prepare = acpi_hibernation_prepare,
.end = acpi_pm_end,
.pre_snapshot = acpi_pm_prepare,
.finish = acpi_pm_finish,
.prepare = acpi_pm_prepare,
.enter = acpi_hibernation_enter,
.leave = acpi_hibernation_leave,
.pre_restore = acpi_hibernation_pre_restore,
.restore_cleanup = acpi_hibernation_restore_cleanup,
.pre_restore = acpi_pm_disable_gpes,
.restore_cleanup = acpi_pm_enable_gpes,
};
#endif /* CONFIG_HIBERNATION */
/**
* acpi_hibernation_begin_old - Set the target system sleep state to
* ACPI_STATE_S4 and execute the _PTS control method. This
* function is used if the pre-ACPI 2.0 suspend ordering has been
* requested.
*/
static int acpi_hibernation_begin_old(void)
{
int error = acpi_sleep_prepare(ACPI_STATE_S4);
if (!error)
acpi_target_sleep_state = ACPI_STATE_S4;
return error;
}
/*
* The following callbacks are used if the pre-ACPI 2.0 suspend ordering has
* been requested.
*/
static struct platform_hibernation_ops acpi_hibernation_ops_old = {
.begin = acpi_hibernation_begin_old,
.end = acpi_pm_end,
.pre_snapshot = acpi_pm_disable_gpes,
.finish = acpi_pm_finish,
.prepare = acpi_pm_disable_gpes,
.enter = acpi_hibernation_enter,
.leave = acpi_hibernation_leave,
.pre_restore = acpi_pm_disable_gpes,
.restore_cleanup = acpi_pm_enable_gpes,
.recover = acpi_pm_finish,
};
#endif /* CONFIG_HIBERNATION */
int acpi_suspend(u32 acpi_state)
{
@ -368,8 +387,8 @@ int acpi_suspend(u32 acpi_state)
/**
* acpi_pm_device_sleep_state - return preferred power state of ACPI device
* in the system sleep state given by %acpi_target_sleep_state
* @dev: device to examine
* @wake: if set, the device should be able to wake up the system
* @dev: device to examine; its driver model wakeup flags control
* whether it should be able to wake up the system
* @d_min_p: used to store the upper limit of allowed states range
* Return value: preferred power state of the device on success, -ENODEV on
* failure (ie. if there's no 'struct acpi_device' for @dev)
@ -387,7 +406,7 @@ int acpi_suspend(u32 acpi_state)
* via @wake.
*/
int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p)
int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
{
acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
struct acpi_device *adev;
@ -426,7 +445,7 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p)
* can wake the system. _S0W may be valid, too.
*/
if (acpi_target_sleep_state == ACPI_STATE_S0 ||
(wake && adev->wakeup.state.enabled &&
(device_may_wakeup(dev) && adev->wakeup.state.enabled &&
adev->wakeup.sleep_state <= acpi_target_sleep_state)) {
acpi_status status;
@ -448,6 +467,31 @@ int acpi_pm_device_sleep_state(struct device *dev, int wake, int *d_min_p)
*d_min_p = d_min;
return d_max;
}
/**
* acpi_pm_device_sleep_wake - enable or disable the system wake-up
* capability of given device
* @dev: device to handle
* @enable: 'true' - enable, 'false' - disable the wake-up capability
*/
int acpi_pm_device_sleep_wake(struct device *dev, bool enable)
{
acpi_handle handle;
struct acpi_device *adev;
if (!device_may_wakeup(dev))
return -EINVAL;
handle = DEVICE_ACPI_HANDLE(dev);
if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) {
printk(KERN_DEBUG "ACPI handle has no context!\n");
return -ENODEV;
}
return enable ?
acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) :
acpi_disable_wakeup_device_power(adev);
}
#endif
static void acpi_power_off_prepare(void)
@ -472,8 +516,6 @@ int __init acpi_sleep_init(void)
u8 type_a, type_b;
#ifdef CONFIG_SUSPEND
int i = 0;
dmi_check_system(acpisleep_dmi_table);
#endif
if (acpi_disabled)
@ -491,13 +533,15 @@ int __init acpi_sleep_init(void)
}
}
suspend_set_ops(&acpi_suspend_ops);
suspend_set_ops(old_suspend_ordering ?
&acpi_suspend_ops_old : &acpi_suspend_ops);
#endif
#ifdef CONFIG_HIBERNATION
status = acpi_get_sleep_type_data(ACPI_STATE_S4, &type_a, &type_b);
if (ACPI_SUCCESS(status)) {
hibernation_set_ops(&acpi_hibernation_ops);
hibernation_set_ops(old_suspend_ordering ?
&acpi_hibernation_ops_old : &acpi_hibernation_ops);
sleep_states[ACPI_STATE_S4] = 1;
printk(" S4");
}

View file

@ -42,7 +42,7 @@ void acpi_enable_wakeup_device_prep(u8 sleep_state)
continue;
spin_unlock(&acpi_device_lock);
acpi_enable_wakeup_device_power(dev);
acpi_enable_wakeup_device_power(dev, sleep_state);
spin_lock(&acpi_device_lock);
}
spin_unlock(&acpi_device_lock);
@ -66,13 +66,15 @@ void acpi_enable_wakeup_device(u8 sleep_state)
list_for_each_safe(node, next, &acpi_wakeup_device_list) {
struct acpi_device *dev =
container_of(node, struct acpi_device, wakeup_list);
if (!dev->wakeup.flags.valid)
continue;
/* If users want to disable run-wake GPE,
* we only disable it for wake and leave it for runtime
*/
if (!dev->wakeup.state.enabled ||
sleep_state > (u32) dev->wakeup.sleep_state) {
if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
|| sleep_state > (u32) dev->wakeup.sleep_state) {
if (dev->wakeup.flags.run_wake) {
spin_unlock(&acpi_device_lock);
/* set_gpe_type will disable GPE, leave it like that */
@ -110,8 +112,9 @@ void acpi_disable_wakeup_device(u8 sleep_state)
if (!dev->wakeup.flags.valid)
continue;
if (!dev->wakeup.state.enabled ||
sleep_state > (u32) dev->wakeup.sleep_state) {
if ((!dev->wakeup.state.enabled && !dev->wakeup.flags.prepared)
|| sleep_state > (u32) dev->wakeup.sleep_state) {
if (dev->wakeup.flags.run_wake) {
spin_unlock(&acpi_device_lock);
acpi_set_gpe_type(dev->wakeup.gpe_device,

View file

@ -167,7 +167,13 @@ static int acpi_system_sysfs_init(void)
#define COUNT_ERROR 2 /* other */
#define NUM_COUNTERS_EXTRA 3
static u32 *all_counters;
#define ACPI_EVENT_VALID 0x01
struct event_counter {
u32 count;
u32 flags;
};
static struct event_counter *all_counters;
static u32 num_gpes;
static u32 num_counters;
static struct attribute **all_attrs;
@ -202,9 +208,44 @@ static int count_num_gpes(void)
return count;
}
static int get_gpe_device(int index, acpi_handle *handle)
{
struct acpi_gpe_xrupt_info *gpe_xrupt_info;
struct acpi_gpe_block_info *gpe_block;
acpi_cpu_flags flags;
struct acpi_namespace_node *node;
flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;
while (gpe_xrupt_info) {
gpe_block = gpe_xrupt_info->gpe_block_list_head;
node = gpe_block->node;
while (gpe_block) {
index -= gpe_block->register_count *
ACPI_GPE_REGISTER_WIDTH;
if (index < 0) {
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
/* return NULL if it's FADT GPE */
if (node->type != ACPI_TYPE_DEVICE)
*handle = NULL;
else
*handle = node;
return 0;
}
node = gpe_block->node;
gpe_block = gpe_block->next;
}
gpe_xrupt_info = gpe_xrupt_info->next;
}
acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
return -ENODEV;
}
static void delete_gpe_attr_array(void)
{
u32 *tmp = all_counters;
struct event_counter *tmp = all_counters;
all_counters = NULL;
kfree(tmp);
@ -230,9 +271,10 @@ void acpi_os_gpe_count(u32 gpe_number)
return;
if (gpe_number < num_gpes)
all_counters[gpe_number]++;
all_counters[gpe_number].count++;
else
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]++;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
count++;
return;
}
@ -243,44 +285,144 @@ void acpi_os_fixed_event_count(u32 event_number)
return;
if (event_number < ACPI_NUM_FIXED_EVENTS)
all_counters[num_gpes + event_number]++;
all_counters[num_gpes + event_number].count++;
else
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR]++;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR].
count++;
return;
}
static int get_status(u32 index, acpi_event_status *status, acpi_handle *handle)
{
int result = 0;
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
goto end;
if (index < num_gpes) {
result = get_gpe_device(index, handle);
if (result) {
ACPI_EXCEPTION((AE_INFO, AE_NOT_FOUND,
"Invalid GPE 0x%x\n", index));
goto end;
}
result = acpi_get_gpe_status(*handle, index,
ACPI_NOT_ISR, status);
} else if (index < (num_gpes + ACPI_NUM_FIXED_EVENTS))
result = acpi_get_event_status(index - num_gpes, status);
/*
* sleep/power button GPE/Fixed Event is enabled after acpi_system_init,
* check the status at runtime and mark it as valid once it's enabled
*/
if (!result && (*status & ACPI_EVENT_FLAG_ENABLED))
all_counters[index].flags |= ACPI_EVENT_VALID;
end:
return result;
}
static ssize_t counter_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI] =
int index = attr - counter_attrs;
int size;
acpi_handle handle;
acpi_event_status status;
int result = 0;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count =
acpi_irq_handled;
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE] =
all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count =
acpi_gpe_count;
return sprintf(buf, "%d\n", all_counters[attr - counter_attrs]);
size = sprintf(buf, "%8d", all_counters[index].count);
/* "gpe_all" or "sci" */
if (index >= num_gpes + ACPI_NUM_FIXED_EVENTS)
goto end;
result = get_status(index, &status, &handle);
if (result)
goto end;
if (!(all_counters[index].flags & ACPI_EVENT_VALID))
size += sprintf(buf + size, " invalid");
else if (status & ACPI_EVENT_FLAG_ENABLED)
size += sprintf(buf + size, " enable");
else
size += sprintf(buf + size, " disable");
end:
size += sprintf(buf + size, "\n");
return result ? result : size;
}
/*
* counter_set() sets the specified counter.
* setting the total "sci" file to any value clears all counters.
* enable/disable/clear a gpe/fixed event in user space.
*/
static ssize_t counter_set(struct kobject *kobj,
struct kobj_attribute *attr, const char *buf, size_t size)
{
int index = attr - counter_attrs;
acpi_event_status status;
acpi_handle handle;
int result = 0;
if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) {
int i;
for (i = 0; i < num_counters; ++i)
all_counters[i] = 0;
all_counters[i].count = 0;
acpi_gpe_count = 0;
acpi_irq_handled = 0;
goto end;
}
/* show the event status for both GPEs and Fixed Events */
result = get_status(index, &status, &handle);
if (result)
goto end;
if (!(all_counters[index].flags & ACPI_EVENT_VALID)) {
ACPI_DEBUG_PRINT((ACPI_DB_WARN,
"Can not change Invalid GPE/Fixed Event status\n"));
return -EINVAL;
}
if (index < num_gpes) {
if (!strcmp(buf, "disable\n") &&
(status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_disable_gpe(handle, index, ACPI_NOT_ISR);
else if (!strcmp(buf, "enable\n") &&
!(status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_enable_gpe(handle, index, ACPI_NOT_ISR);
else if (!strcmp(buf, "clear\n") &&
(status & ACPI_EVENT_FLAG_SET))
result = acpi_clear_gpe(handle, index, ACPI_NOT_ISR);
else
all_counters[index].count = strtoul(buf, NULL, 0);
} else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
int event = index - num_gpes;
if (!strcmp(buf, "disable\n") &&
(status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_disable_event(event, ACPI_NOT_ISR);
else if (!strcmp(buf, "enable\n") &&
!(status & ACPI_EVENT_FLAG_ENABLED))
result = acpi_enable_event(event, ACPI_NOT_ISR);
else if (!strcmp(buf, "clear\n") &&
(status & ACPI_EVENT_FLAG_SET))
result = acpi_clear_event(event);
else
all_counters[index].count = strtoul(buf, NULL, 0);
} else
all_counters[index] = strtoul(buf, NULL, 0);
all_counters[index].count = strtoul(buf, NULL, 0);
return size;
if (ACPI_FAILURE(result))
result = -EINVAL;
end:
return result ? result : size;
}
void acpi_irq_stats_init(void)
@ -298,7 +440,8 @@ void acpi_irq_stats_init(void)
if (all_attrs == NULL)
return;
all_counters = kzalloc(sizeof(u32) * (num_counters), GFP_KERNEL);
all_counters = kzalloc(sizeof(struct event_counter) * (num_counters),
GFP_KERNEL);
if (all_counters == NULL)
goto fail;

View file

@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = {
static void inline
acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
u8 bit_width, u64 address)
u8 byte_width, u64 address)
{
/*
@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
/* All other fields are byte-wide */
generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
generic_address->bit_width = bit_width;
generic_address->bit_width = byte_width << 3;
generic_address->bit_offset = 0;
generic_address->access_width = 0;
}
@ -155,7 +155,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
*
******************************************************************************/
void acpi_tb_parse_fadt(acpi_native_uint table_index, u8 flags)
void acpi_tb_parse_fadt(u32 table_index, u8 flags)
{
u32 length;
struct acpi_table_header *table;
@ -280,7 +280,7 @@ static void acpi_tb_convert_fadt(void)
{
u8 pm1_register_length;
struct acpi_generic_address *target;
acpi_native_uint i;
u32 i;
/* Update the local FADT table header length */
@ -343,9 +343,11 @@ static void acpi_tb_convert_fadt(void)
*
* The PM event blocks are split into two register blocks, first is the
* PM Status Register block, followed immediately by the PM Enable Register
* block. Each is of length (pm1_event_length/2)
* block. Each is of length (xpm1x_event_block.bit_width/2)
*/
pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);
WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1a_event_block.bit_width));
pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
.xpm1a_event_block.bit_width);
/* The PM1A register block is required */
@ -360,14 +362,17 @@ static void acpi_tb_convert_fadt(void)
/* The PM1B register block is optional, ignore if not present */
if (acpi_gbl_FADT.xpm1b_event_block.address) {
WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1b_event_block.bit_width));
pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
.xpm1b_event_block
.bit_width);
acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
pm1_register_length,
(acpi_gbl_FADT.xpm1b_event_block.
address + pm1_register_length));
/* Don't forget to copy space_id of the GAS */
acpi_gbl_xpm1b_enable.space_id =
acpi_gbl_FADT.xpm1a_event_block.space_id;
acpi_gbl_FADT.xpm1b_event_block.space_id;
}
}
@ -396,7 +401,7 @@ static void acpi_tb_validate_fadt(void)
u32 *address32;
struct acpi_generic_address *address64;
u8 length;
acpi_native_uint i;
u32 i;
/* Examine all of the 64-bit extended address fields (X fields) */

View file

@ -65,10 +65,9 @@ ACPI_MODULE_NAME("tbfind")
******************************************************************************/
acpi_status
acpi_tb_find_table(char *signature,
char *oem_id,
char *oem_table_id, acpi_native_uint * table_index)
char *oem_id, char *oem_table_id, u32 *table_index)
{
acpi_native_uint i;
u32 i;
acpi_status status;
struct acpi_table_header header;

View file

@ -107,11 +107,10 @@ acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc)
******************************************************************************/
acpi_status
acpi_tb_add_table(struct acpi_table_desc *table_desc,
acpi_native_uint * table_index)
acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index)
{
acpi_native_uint i;
acpi_native_uint length;
u32 i;
u32 length;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE(tb_add_table);
@ -207,8 +206,8 @@ acpi_status acpi_tb_resize_root_table_list(void)
/* Increase the Table Array size */
tables = ACPI_ALLOCATE_ZEROED((acpi_gbl_root_table_list.size +
ACPI_ROOT_TABLE_SIZE_INCREMENT)
tables = ACPI_ALLOCATE_ZEROED(((acpi_size) acpi_gbl_root_table_list.
size + ACPI_ROOT_TABLE_SIZE_INCREMENT)
* sizeof(struct acpi_table_desc));
if (!tables) {
ACPI_ERROR((AE_INFO,
@ -220,7 +219,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
if (acpi_gbl_root_table_list.tables) {
ACPI_MEMCPY(tables, acpi_gbl_root_table_list.tables,
acpi_gbl_root_table_list.size *
(acpi_size) acpi_gbl_root_table_list.size *
sizeof(struct acpi_table_desc));
if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) {
@ -253,7 +252,7 @@ acpi_status acpi_tb_resize_root_table_list(void)
acpi_status
acpi_tb_store_table(acpi_physical_address address,
struct acpi_table_header *table,
u32 length, u8 flags, acpi_native_uint * table_index)
u32 length, u8 flags, u32 *table_index)
{
acpi_status status = AE_OK;
@ -334,7 +333,7 @@ void acpi_tb_delete_table(struct acpi_table_desc *table_desc)
void acpi_tb_terminate(void)
{
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(tb_terminate);
@ -374,7 +373,7 @@ void acpi_tb_terminate(void)
*
******************************************************************************/
void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
void acpi_tb_delete_namespace_by_owner(u32 table_index)
{
acpi_owner_id owner_id;
@ -403,7 +402,7 @@ void acpi_tb_delete_namespace_by_owner(acpi_native_uint table_index)
*
******************************************************************************/
acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
acpi_status acpi_tb_allocate_owner_id(u32 table_index)
{
acpi_status status = AE_BAD_PARAMETER;
@ -431,7 +430,7 @@ acpi_status acpi_tb_allocate_owner_id(acpi_native_uint table_index)
*
******************************************************************************/
acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
acpi_status acpi_tb_release_owner_id(u32 table_index)
{
acpi_status status = AE_BAD_PARAMETER;
@ -462,8 +461,7 @@ acpi_status acpi_tb_release_owner_id(acpi_native_uint table_index)
*
******************************************************************************/
acpi_status
acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
acpi_status acpi_tb_get_owner_id(u32 table_index, acpi_owner_id *owner_id)
{
acpi_status status = AE_BAD_PARAMETER;
@ -490,7 +488,7 @@ acpi_tb_get_owner_id(acpi_native_uint table_index, acpi_owner_id * owner_id)
*
******************************************************************************/
u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
u8 acpi_tb_is_table_loaded(u32 table_index)
{
u8 is_loaded = FALSE;
@ -518,7 +516,7 @@ u8 acpi_tb_is_table_loaded(acpi_native_uint table_index)
*
******************************************************************************/
void acpi_tb_set_table_loaded_flag(acpi_native_uint table_index, u8 is_loaded)
void acpi_tb_set_table_loaded_flag(u32 table_index, u8 is_loaded)
{
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);

View file

@ -49,8 +49,8 @@ ACPI_MODULE_NAME("tbutils")
/* Local prototypes */
static acpi_physical_address
acpi_tb_get_root_table_entry(u8 * table_entry,
acpi_native_uint table_entry_size);
acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size);
/*******************************************************************************
*
* FUNCTION: acpi_tb_check_xsdt
@ -238,7 +238,7 @@ acpi_status acpi_tb_verify_checksum(struct acpi_table_header *table, u32 length)
*
******************************************************************************/
u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length)
u8 acpi_tb_checksum(u8 *buffer, u32 length)
{
u8 sum = 0;
u8 *end = buffer + length;
@ -268,7 +268,7 @@ u8 acpi_tb_checksum(u8 * buffer, acpi_native_uint length)
void
acpi_tb_install_table(acpi_physical_address address,
u8 flags, char *signature, acpi_native_uint table_index)
u8 flags, char *signature, u32 table_index)
{
struct acpi_table_header *table;
@ -336,8 +336,7 @@ acpi_tb_install_table(acpi_physical_address address,
******************************************************************************/
static acpi_physical_address
acpi_tb_get_root_table_entry(u8 * table_entry,
acpi_native_uint table_entry_size)
acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size)
{
u64 address64;
@ -395,8 +394,8 @@ acpi_status __init
acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags)
{
struct acpi_table_rsdp *rsdp;
acpi_native_uint table_entry_size;
acpi_native_uint i;
u32 table_entry_size;
u32 i;
u32 table_count;
struct acpi_table_header *table;
acpi_physical_address address;

View file

@ -125,7 +125,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array,
/* Root Table Array has been statically allocated by the host */
ACPI_MEMSET(initial_table_array, 0,
initial_table_count *
(acpi_size) initial_table_count *
sizeof(struct acpi_table_desc));
acpi_gbl_root_table_list.tables = initial_table_array;
@ -183,9 +183,9 @@ acpi_status acpi_reallocate_root_table(void)
return_ACPI_STATUS(AE_SUPPORT);
}
new_size =
(acpi_gbl_root_table_list.count +
ACPI_ROOT_TABLE_SIZE_INCREMENT) * sizeof(struct acpi_table_desc);
new_size = ((acpi_size) acpi_gbl_root_table_list.count +
ACPI_ROOT_TABLE_SIZE_INCREMENT) *
sizeof(struct acpi_table_desc);
/* Create new array and copy the old array */
@ -222,7 +222,7 @@ acpi_status acpi_reallocate_root_table(void)
acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
{
acpi_status status;
acpi_native_uint table_index;
u32 table_index;
struct acpi_table_desc table_desc;
if (!table_ptr)
@ -264,11 +264,10 @@ ACPI_EXPORT_SYMBOL(acpi_load_table)
*****************************************************************************/
acpi_status
acpi_get_table_header(char *signature,
acpi_native_uint instance,
struct acpi_table_header * out_table_header)
u32 instance, struct acpi_table_header *out_table_header)
{
acpi_native_uint i;
acpi_native_uint j;
u32 i;
u32 j;
struct acpi_table_header *header;
/* Parameter validation */
@ -378,10 +377,10 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id)
*****************************************************************************/
acpi_status
acpi_get_table(char *signature,
acpi_native_uint instance, struct acpi_table_header **out_table)
u32 instance, struct acpi_table_header **out_table)
{
acpi_native_uint i;
acpi_native_uint j;
u32 i;
u32 j;
acpi_status status;
/* Parameter validation */
@ -435,8 +434,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_table)
*
******************************************************************************/
acpi_status
acpi_get_table_by_index(acpi_native_uint table_index,
struct acpi_table_header ** table)
acpi_get_table_by_index(u32 table_index, struct acpi_table_header **table)
{
acpi_status status;
@ -493,7 +491,7 @@ static acpi_status acpi_tb_load_namespace(void)
{
acpi_status status;
struct acpi_table_header *table;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(tb_load_namespace);

View file

@ -118,7 +118,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
*
******************************************************************************/
acpi_status acpi_find_root_pointer(acpi_native_uint * table_address)
acpi_status acpi_find_root_pointer(acpi_size *table_address)
{
u8 *table_ptr;
u8 *mem_rover;
@ -153,7 +153,7 @@ acpi_status acpi_find_root_pointer(acpi_native_uint * table_address)
* 1b) Search EBDA paragraphs (EBDA is required to be a
* minimum of 1_k length)
*/
table_ptr = acpi_os_map_memory((acpi_native_uint)
table_ptr = acpi_os_map_memory((acpi_physical_address)
physical_address,
ACPI_EBDA_WINDOW_SIZE);
if (!table_ptr) {

View file

@ -309,7 +309,8 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
*
******************************************************************************/
void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
void *acpi_ut_allocate(acpi_size size,
u32 component, const char *module, u32 line)
{
void *allocation;
@ -353,7 +354,7 @@ void *acpi_ut_allocate(acpi_size size, u32 component, char *module, u32 line)
******************************************************************************/
void *acpi_ut_allocate_zeroed(acpi_size size,
u32 component, char *module, u32 line)
u32 component, const char *module, u32 line)
{
void *allocation;

View file

@ -572,7 +572,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
acpi_status status = AE_OK;
union acpi_operand_object *package_object;
union acpi_operand_object **package_elements;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(ut_copy_epackage_to_ipackage);
@ -599,7 +599,7 @@ acpi_ut_copy_epackage_to_ipackage(union acpi_object *external_object,
/* Truncate package and delete it */
package_object->package.count = (u32) i;
package_object->package.count = i;
package_elements[i] = NULL;
acpi_ut_remove_reference(package_object);
return_ACPI_STATUS(status);

View file

@ -157,7 +157,8 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print(u32 requested_debug_level,
u32 line_number,
const char *function_name,
char *module_name, u32 component_id, char *format, ...)
const char *module_name,
u32 component_id, const char *format, ...)
{
acpi_thread_id thread_id;
va_list args;
@ -228,7 +229,8 @@ void ACPI_INTERNAL_VAR_XFACE
acpi_ut_debug_print_raw(u32 requested_debug_level,
u32 line_number,
const char *function_name,
char *module_name, u32 component_id, char *format, ...)
const char *module_name,
u32 component_id, const char *format, ...)
{
va_list args;
@ -261,7 +263,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_debug_print_raw)
******************************************************************************/
void
acpi_ut_trace(u32 line_number,
const char *function_name, char *module_name, u32 component_id)
const char *function_name,
const char *module_name, u32 component_id)
{
acpi_gbl_nesting_level++;
@ -293,7 +296,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace)
void
acpi_ut_trace_ptr(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, void *pointer)
const char *module_name, u32 component_id, void *pointer)
{
acpi_gbl_nesting_level++;
acpi_ut_track_stack_ptr();
@ -324,7 +327,7 @@ acpi_ut_trace_ptr(u32 line_number,
void
acpi_ut_trace_str(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, char *string)
const char *module_name, u32 component_id, char *string)
{
acpi_gbl_nesting_level++;
@ -356,7 +359,7 @@ acpi_ut_trace_str(u32 line_number,
void
acpi_ut_trace_u32(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, u32 integer)
const char *module_name, u32 component_id, u32 integer)
{
acpi_gbl_nesting_level++;
@ -386,7 +389,8 @@ acpi_ut_trace_u32(u32 line_number,
void
acpi_ut_exit(u32 line_number,
const char *function_name, char *module_name, u32 component_id)
const char *function_name,
const char *module_name, u32 component_id)
{
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
@ -417,7 +421,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_exit)
void
acpi_ut_status_exit(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, acpi_status status)
const char *module_name,
u32 component_id, acpi_status status)
{
if (ACPI_SUCCESS(status)) {
@ -458,7 +463,8 @@ ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
void
acpi_ut_value_exit(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, acpi_integer value)
const char *module_name,
u32 component_id, acpi_integer value)
{
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
@ -490,7 +496,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
void
acpi_ut_ptr_exit(u32 line_number,
const char *function_name,
char *module_name, u32 component_id, u8 * ptr)
const char *module_name, u32 component_id, u8 *ptr)
{
acpi_ut_debug_print(ACPI_LV_FUNCTIONS,
@ -519,8 +525,8 @@ acpi_ut_ptr_exit(u32 line_number,
void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
{
acpi_native_uint i = 0;
acpi_native_uint j;
u32 i = 0;
u32 j;
u32 temp32;
u8 buf_char;
@ -539,7 +545,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
/* Print current offset */
acpi_os_printf("%6.4X: ", (u32) i);
acpi_os_printf("%6.4X: ", i);
/* Print 16 hex chars */
@ -549,7 +555,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
/* Dump fill spaces */
acpi_os_printf("%*s", ((display * 2) + 1), " ");
j += (acpi_native_uint) display;
j += display;
continue;
}
@ -557,32 +563,38 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
case DB_BYTE_DISPLAY:
default: /* Default is BYTE display */
acpi_os_printf("%02X ", buffer[i + j]);
acpi_os_printf("%02X ",
buffer[(acpi_size) i + j]);
break;
case DB_WORD_DISPLAY:
ACPI_MOVE_16_TO_32(&temp32, &buffer[i + j]);
ACPI_MOVE_16_TO_32(&temp32,
&buffer[(acpi_size) i + j]);
acpi_os_printf("%04X ", temp32);
break;
case DB_DWORD_DISPLAY:
ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
ACPI_MOVE_32_TO_32(&temp32,
&buffer[(acpi_size) i + j]);
acpi_os_printf("%08X ", temp32);
break;
case DB_QWORD_DISPLAY:
ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j]);
ACPI_MOVE_32_TO_32(&temp32,
&buffer[(acpi_size) i + j]);
acpi_os_printf("%08X", temp32);
ACPI_MOVE_32_TO_32(&temp32, &buffer[i + j + 4]);
ACPI_MOVE_32_TO_32(&temp32,
&buffer[(acpi_size) i + j +
4]);
acpi_os_printf("%08X ", temp32);
break;
}
j += (acpi_native_uint) display;
j += display;
}
/*
@ -596,7 +608,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display)
return;
}
buf_char = buffer[i + j];
buf_char = buffer[(acpi_size) i + j];
if (ACPI_IS_PRINT(buf_char)) {
acpi_os_printf("%c", buf_char);
} else {

View file

@ -442,7 +442,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
union acpi_generic_state *state_list = NULL;
union acpi_operand_object *next_object = NULL;
union acpi_generic_state *state;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE_PTR(ut_update_object_reference, object);

View file

@ -97,7 +97,7 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state)
acpi_status status;
union acpi_operand_object *string_desc;
union acpi_operand_object *return_desc;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(ut_osi_implementation);
@ -217,7 +217,6 @@ acpi_ut_evaluate_object(struct acpi_namespace_node *prefix_node,
info->prefix_node = prefix_node;
info->pathname = path;
info->parameter_type = ACPI_PARAM_ARGS;
/* Evaluate the object/method */
@ -514,7 +513,7 @@ acpi_ut_execute_CID(struct acpi_namespace_node * device_node,
u32 count;
u32 size;
struct acpi_compatible_id_list *cid_list;
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_TRACE(ut_execute_CID);

View file

@ -64,7 +64,7 @@ ACPI_MODULE_NAME("utmisc")
******************************************************************************/
const char *acpi_ut_validate_exception(acpi_status status)
{
acpi_status sub_status;
u32 sub_status;
const char *exception = NULL;
ACPI_FUNCTION_ENTRY();
@ -85,32 +85,28 @@ const char *acpi_ut_validate_exception(acpi_status status)
case AE_CODE_PROGRAMMER:
if (sub_status <= AE_CODE_PGM_MAX) {
exception =
acpi_gbl_exception_names_pgm[sub_status - 1];
exception = acpi_gbl_exception_names_pgm[sub_status];
}
break;
case AE_CODE_ACPI_TABLES:
if (sub_status <= AE_CODE_TBL_MAX) {
exception =
acpi_gbl_exception_names_tbl[sub_status - 1];
exception = acpi_gbl_exception_names_tbl[sub_status];
}
break;
case AE_CODE_AML:
if (sub_status <= AE_CODE_AML_MAX) {
exception =
acpi_gbl_exception_names_aml[sub_status - 1];
exception = acpi_gbl_exception_names_aml[sub_status];
}
break;
case AE_CODE_CONTROL:
if (sub_status <= AE_CODE_CTRL_MAX) {
exception =
acpi_gbl_exception_names_ctrl[sub_status - 1];
exception = acpi_gbl_exception_names_ctrl[sub_status];
}
break;
@ -165,9 +161,9 @@ u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
{
acpi_native_uint i;
acpi_native_uint j;
acpi_native_uint k;
u32 i;
u32 j;
u32 k;
acpi_status status;
ACPI_FUNCTION_TRACE(ut_allocate_owner_id);
@ -273,7 +269,7 @@ void acpi_ut_release_owner_id(acpi_owner_id * owner_id_ptr)
{
acpi_owner_id owner_id = *owner_id_ptr;
acpi_status status;
acpi_native_uint index;
u32 index;
u32 bit;
ACPI_FUNCTION_TRACE_U32(ut_release_owner_id, owner_id);
@ -593,7 +589,7 @@ acpi_ut_display_init_pathname(u8 type,
*
******************************************************************************/
u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
u8 acpi_ut_valid_acpi_char(char character, u32 position)
{
if (!((character >= 'A' && character <= 'Z') ||
@ -628,7 +624,7 @@ u8 acpi_ut_valid_acpi_char(char character, acpi_native_uint position)
u8 acpi_ut_valid_acpi_name(u32 name)
{
acpi_native_uint i;
u32 i;
ACPI_FUNCTION_ENTRY();
@ -657,7 +653,7 @@ u8 acpi_ut_valid_acpi_name(u32 name)
acpi_name acpi_ut_repair_name(char *name)
{
acpi_native_uint i;
u32 i;
char new_name[ACPI_NAME_SIZE];
for (i = 0; i < ACPI_NAME_SIZE; i++) {
@ -1024,7 +1020,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object,
******************************************************************************/
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_error(char *module_name, u32 line_number, char *format, ...)
acpi_ut_error(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;
@ -1037,8 +1033,8 @@ acpi_ut_error(char *module_name, u32 line_number, char *format, ...)
}
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_exception(char *module_name,
u32 line_number, acpi_status status, char *format, ...)
acpi_ut_exception(const char *module_name,
u32 line_number, acpi_status status, const char *format, ...)
{
va_list args;
@ -1054,7 +1050,8 @@ acpi_ut_exception(char *module_name,
EXPORT_SYMBOL(acpi_ut_exception);
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
acpi_ut_warning(const char *module_name,
u32 line_number, const char *format, ...)
{
va_list args;
@ -1067,7 +1064,7 @@ acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
}
void ACPI_INTERNAL_VAR_XFACE
acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
acpi_ut_info(const char *module_name, u32 line_number, const char *format, ...)
{
va_list args;

View file

@ -218,7 +218,7 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
* the mutex ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
ACPI_ERROR((AE_INFO,
@ -315,7 +315,7 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
* ordering rule. This indicates a coding error somewhere in
* the ACPI subsystem code.
*/
for (i = mutex_id; i < ACPI_MAX_MUTEX; i++) {
for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) {
if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
continue;

View file

@ -83,7 +83,8 @@ acpi_ut_get_element_length(u8 object_type,
*
******************************************************************************/
union acpi_operand_object *acpi_ut_create_internal_object_dbg(char *module_name,
union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char
*module_name,
u32 line_number,
u32 component_id,
acpi_object_type
@ -175,8 +176,8 @@ union acpi_operand_object *acpi_ut_create_package_object(u32 count)
* Create the element array. Count+1 allows the array to be null
* terminated.
*/
package_elements = ACPI_ALLOCATE_ZEROED((acpi_size)
(count + 1) * sizeof(void *));
package_elements = ACPI_ALLOCATE_ZEROED(((acpi_size) count +
1) * sizeof(void *));
if (!package_elements) {
acpi_ut_remove_reference(package_desc);
return_PTR(NULL);
@ -347,7 +348,7 @@ u8 acpi_ut_valid_internal_object(void *object)
*
******************************************************************************/
void *acpi_ut_allocate_object_desc_dbg(char *module_name,
void *acpi_ut_allocate_object_desc_dbg(const char *module_name,
u32 line_number, u32 component_id)
{
union acpi_operand_object *object;

View file

@ -631,6 +631,76 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
* device : video output device (LCD, CRT, ..)
*
* Return Value:
* Maximum brightness level
*
* Allocate and initialize device->brightness.
*/
static int
acpi_video_init_brightness(struct acpi_video_device *device)
{
union acpi_object *obj = NULL;
int i, max_level = 0, count = 0;
union acpi_object *o;
struct acpi_video_device_brightness *br = NULL;
if (!ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available "
"LCD brightness level\n"));
goto out;
}
if (obj->package.count < 2)
goto out;
br = kzalloc(sizeof(*br), GFP_KERNEL);
if (!br) {
printk(KERN_ERR "can't allocate memory\n");
goto out;
}
br->levels = kmalloc(obj->package.count * sizeof *(br->levels),
GFP_KERNEL);
if (!br->levels)
goto out_free;
for (i = 0; i < obj->package.count; i++) {
o = (union acpi_object *)&obj->package.elements[i];
if (o->type != ACPI_TYPE_INTEGER) {
printk(KERN_ERR PREFIX "Invalid data\n");
continue;
}
br->levels[count] = (u32) o->integer.value;
if (br->levels[count] > max_level)
max_level = br->levels[count];
count++;
}
if (count < 2)
goto out_free_levels;
br->count = count;
device->brightness = br;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "found %d brightness levels\n", count));
kfree(obj);
return max_level;
out_free_levels:
kfree(br->levels);
out_free:
kfree(br);
out:
device->brightness = NULL;
kfree(obj);
return 0;
}
/*
* Arg:
* device : video output device (LCD, CRT, ..)
*
* Return Value:
* None
*
* Find out all required AML methods defined under the output
@ -640,10 +710,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag)
static void acpi_video_device_find_cap(struct acpi_video_device *device)
{
acpi_handle h_dummy1;
int i;
u32 max_level = 0;
union acpi_object *obj = NULL;
struct acpi_video_device_brightness *br = NULL;
memset(&device->cap, 0, sizeof(device->cap));
@ -672,53 +739,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
device->cap._DSS = 1;
}
if (ACPI_SUCCESS(acpi_video_device_lcd_query_levels(device, &obj))) {
if (obj->package.count >= 2) {
int count = 0;
union acpi_object *o;
br = kzalloc(sizeof(*br), GFP_KERNEL);
if (!br) {
printk(KERN_ERR "can't allocate memory\n");
} else {
br->levels = kmalloc(obj->package.count *
sizeof *(br->levels), GFP_KERNEL);
if (!br->levels)
goto out;
for (i = 0; i < obj->package.count; i++) {
o = (union acpi_object *)&obj->package.
elements[i];
if (o->type != ACPI_TYPE_INTEGER) {
printk(KERN_ERR PREFIX "Invalid data\n");
continue;
}
br->levels[count] = (u32) o->integer.value;
if (br->levels[count] > max_level)
max_level = br->levels[count];
count++;
}
out:
if (count < 2) {
kfree(br->levels);
kfree(br);
} else {
br->count = count;
device->brightness = br;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"found %d brightness levels\n",
count));
}
}
}
} else {
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not query available LCD brightness level\n"));
}
kfree(obj);
max_level = acpi_video_init_brightness(device);
if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
int result;
@ -1695,6 +1716,8 @@ static void
acpi_video_switch_brightness(struct acpi_video_device *device, int event)
{
unsigned long level_current, level_next;
if (!device->brightness)
return;
acpi_video_device_lcd_get_level_current(device, &level_current);
level_next = acpi_video_get_next_level(device, level_current, event);
acpi_video_device_lcd_set_level(device, level_next);