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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: IA64: fix %ll build warnings
  ACPI: IA64: fix allnoconfig build
  ACPI: Only use IPI on known broken machines (AMD, Dothan/BaniasPentium M)
  ACPI: ibm-acpi: allow module to load when acpi notifiers can't be set (v2)
  ACPI: parse 2nd MADT by default
  ACPICA: revert "acpi_serialize" changes
  sony-laptop: MAINTAINERS fix entry, add L: and W:
  ACPI: resolve HP nx6125 S3 immediate wakeup regression
  ACPI: Add support to parse 2nd MADT
This commit is contained in:
Linus Torvalds 2007-03-22 19:43:02 -07:00
parent 7f52a3afc4 cddece4bec
commit 37c70d0d09
18 changed files with 202 additions and 134 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Documentation/kernel-parameters.txt
View File

@ -138,6 +138,12 @@ and is between 256 and 4096 characters. It is defined in the file
See also Documentation/pm.txt, pci=noacpi
acpi_apic_instance= [ACPI, IOAPIC]
Format: <int>
2: use 2nd APIC table, if available
1,0: use 1st APIC table
default: 2
acpi_sleep= [HW,ACPI] Sleep options
Format: { s3_bios, s3_mode }
See Documentation/power/video.txt

5
MAINTAINERS
View File

@ -3066,11 +3066,10 @@ L: netdev@vger.kernel.org
S: Maintained
SONY VAIO CONTROL DEVICE DRIVER
P: Stelian Pop
M: stelian@popies.net
P: Mattia Dongili
M: malattia@linux.it
W: http://popies.net/sonypi/
L: linux-acpi@vger.kernel.org
W: http://www.linux.it/~malattia/wiki/index.php/Sony_drivers
S: Maintained
SOUND

1
arch/ia64/Kconfig
View File

@ -13,6 +13,7 @@ config IA64
bool
select PCI if (!IA64_HP_SIM)
select ACPI if (!IA64_HP_SIM)
select PM if (!IA64_HP_SIM)
default y
help
The Itanium Processor Family is Intel's 64-bit successor to

8
drivers/acpi/events/evmisc.c
View File

@ -196,11 +196,15 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node,
notify_info->notify.value = (u16) notify_value;
notify_info->notify.handler_obj = handler_obj;
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
acpi_ev_notify_dispatch(notify_info);
acpi_ex_reacquire_interpreter();
status = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
}
if (!handler_obj) {

15
drivers/acpi/events/evregion.c
View File

@ -291,6 +291,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
u32 bit_width, acpi_integer * value)
{
acpi_status status;
acpi_status status2;
acpi_adr_space_handler handler;
acpi_adr_space_setup region_setup;
union acpi_operand_object *handler_desc;
@ -344,7 +345,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
* setup will potentially execute control methods
* (e.g., _REG method for this region)
*/
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
handler_desc->address_space.context,
@ -352,7 +353,10 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
/* Re-enter the interpreter */
acpi_ex_reacquire_interpreter();
status2 = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status2)) {
return_ACPI_STATUS(status2);
}
/* Check for failure of the Region Setup */
@ -405,7 +409,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
* exit the interpreter because the handler *might* block -- we don't
* know what it will do, so we can't hold the lock on the intepreter.
*/
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
}
/* Call the handler */
@ -426,7 +430,10 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
* We just returned from a non-default handler, we must re-enter the
* interpreter
*/
acpi_ex_reacquire_interpreter();
status2 = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status2)) {
return_ACPI_STATUS(status2);
}
}
return_ACPI_STATUS(status);

6
drivers/acpi/events/evxface.c
View File

@ -768,9 +768,11 @@ acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle)
return (AE_BAD_PARAMETER);
}
/* Must lock interpreter to prevent race conditions */
status = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status)) {
return (status);
}
acpi_ex_enter_interpreter();
status = acpi_ev_acquire_global_lock(timeout);
acpi_ex_exit_interpreter();

5
drivers/acpi/executer/excreate.c
View File

@ -583,7 +583,10 @@ acpi_ex_create_method(u8 * aml_start,
* Get the sync_level. If method is serialized, a mutex will be
* created for this method when it is parsed.
*/
if (method_flags & AML_METHOD_SERIALIZED) {
if (acpi_gbl_all_methods_serialized) {
obj_desc->method.sync_level = 0;
obj_desc->method.method_flags |= AML_METHOD_SERIALIZED;
} else if (method_flags & AML_METHOD_SERIALIZED) {
/*
* ACPI 1.0: sync_level = 0
* ACPI 2.0: sync_level = sync_level in method declaration

30
drivers/acpi/executer/exsystem.c
View File

@ -66,6 +66,7 @@ ACPI_MODULE_NAME("exsystem")
acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
{
acpi_status status;
acpi_status status2;
ACPI_FUNCTION_TRACE(ex_system_wait_semaphore);
@ -78,7 +79,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
/* We must wait, so unlock the interpreter */
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
status = acpi_os_wait_semaphore(semaphore, 1, timeout);
@ -88,7 +89,13 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
/* Reacquire the interpreter */
acpi_ex_reacquire_interpreter();
status2 = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status2)) {
/* Report fatal error, could not acquire interpreter */
return_ACPI_STATUS(status2);
}
}
return_ACPI_STATUS(status);
@ -112,6 +119,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
{
acpi_status status;
acpi_status status2;
ACPI_FUNCTION_TRACE(ex_system_wait_mutex);
@ -124,7 +132,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
/* We must wait, so unlock the interpreter */
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
status = acpi_os_acquire_mutex(mutex, timeout);
@ -134,7 +142,13 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
/* Reacquire the interpreter */
acpi_ex_reacquire_interpreter();
status2 = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status2)) {
/* Report fatal error, could not acquire interpreter */
return_ACPI_STATUS(status2);
}
}
return_ACPI_STATUS(status);
@ -195,18 +209,20 @@ acpi_status acpi_ex_system_do_stall(u32 how_long)
acpi_status acpi_ex_system_do_suspend(acpi_integer how_long)
{
acpi_status status;
ACPI_FUNCTION_ENTRY();
/* Since this thread will sleep, we must release the interpreter */
acpi_ex_relinquish_interpreter();
acpi_ex_exit_interpreter();
acpi_os_sleep(how_long);
/* And now we must get the interpreter again */
acpi_ex_reacquire_interpreter();
return (AE_OK);
status = acpi_ex_enter_interpreter();
return (status);
}
/*******************************************************************************

104
drivers/acpi/executer/exutils.c
View File

@ -76,15 +76,14 @@ static u32 acpi_ex_digits_needed(acpi_integer value, u32 base);
*
* PARAMETERS: None
*
* RETURN: None
* RETURN: Status
*
* DESCRIPTION: Enter the interpreter execution region. Failure to enter
* the interpreter region is a fatal system error. Used in
* conjunction with exit_interpreter.
* DESCRIPTION: Enter the interpreter execution region. Failure to enter
* the interpreter region is a fatal system error
*
******************************************************************************/
void acpi_ex_enter_interpreter(void)
acpi_status acpi_ex_enter_interpreter(void)
{
acpi_status status;
@ -92,42 +91,10 @@ void acpi_ex_enter_interpreter(void)
status = acpi_ut_acquire_mutex(ACPI_MTX_INTERPRETER);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not acquire AML Interpreter mutex"));
ACPI_ERROR((AE_INFO, "Could not acquire interpreter mutex"));
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_reacquire_interpreter
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Reacquire the interpreter execution region from within the
* interpreter code. Failure to enter the interpreter region is a
* fatal system error. Used in conjuction with
* relinquish_interpreter
*
******************************************************************************/
void acpi_ex_reacquire_interpreter(void)
{
ACPI_FUNCTION_TRACE(ex_reacquire_interpreter);
/*
* If the global serialized flag is set, do not release the interpreter,
* since it was not actually released by acpi_ex_relinquish_interpreter.
* This forces the interpreter to be single threaded.
*/
if (!acpi_gbl_all_methods_serialized) {
acpi_ex_enter_interpreter();
}
return_VOID;
return_ACPI_STATUS(status);
}
/*******************************************************************************
@ -138,9 +105,17 @@ void acpi_ex_reacquire_interpreter(void)
*
* RETURN: None
*
* DESCRIPTION: Exit the interpreter execution region. This is the top level
* routine used to exit the interpreter when all processing has
* been completed.
* DESCRIPTION: Exit the interpreter execution region
*
* Cases where the interpreter is unlocked:
* 1) Completion of the execution of a control method
* 2) Method blocked on a Sleep() AML opcode
* 3) Method blocked on an Acquire() AML opcode
* 4) Method blocked on a Wait() AML opcode
* 5) Method blocked to acquire the global lock
* 6) Method blocked to execute a serialized control method that is
* already executing
* 7) About to invoke a user-installed opregion handler
*
******************************************************************************/
@ -152,46 +127,7 @@ void acpi_ex_exit_interpreter(void)
status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,
"Could not release AML Interpreter mutex"));
}
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ex_relinquish_interpreter
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Exit the interpreter execution region, from within the
* interpreter - before attempting an operation that will possibly
* block the running thread.
*
* Cases where the interpreter is unlocked internally
* 1) Method to be blocked on a Sleep() AML opcode
* 2) Method to be blocked on an Acquire() AML opcode
* 3) Method to be blocked on a Wait() AML opcode
* 4) Method to be blocked to acquire the global lock
* 5) Method to be blocked waiting to execute a serialized control method
* that is currently executing
* 6) About to invoke a user-installed opregion handler
*
******************************************************************************/
void acpi_ex_relinquish_interpreter(void)
{
ACPI_FUNCTION_TRACE(ex_relinquish_interpreter);
/*
* If the global serialized flag is set, do not release the interpreter.
* This forces the interpreter to be single threaded.
*/
if (!acpi_gbl_all_methods_serialized) {
acpi_ex_exit_interpreter();
ACPI_ERROR((AE_INFO, "Could not release interpreter mutex"));
}
return_VOID;
@ -205,8 +141,8 @@ void acpi_ex_relinquish_interpreter(void)
*
* RETURN: none
*
* DESCRIPTION: Truncate an ACPI Integer to 32 bits if the execution mode is
* 32-bit, as determined by the revision of the DSDT.
* DESCRIPTION: Truncate a number to 32-bits if the currently executing method
* belongs to a 32-bit ACPI table.
*
******************************************************************************/

5
drivers/acpi/hardware/hwsleep.c
View File

@ -300,6 +300,11 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
/*
* 2) Enable all wakeup GPEs
*/
status = acpi_hw_disable_all_gpes();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
acpi_gbl_system_awake_and_running = FALSE;
status = acpi_hw_enable_all_wakeup_gpes();

19
drivers/acpi/ibm_acpi.c
View File

@ -2507,7 +2507,7 @@ static int __init setup_notify(struct ibm_struct *ibm)
ret = acpi_bus_get_device(*ibm->handle, &ibm->device);
if (ret < 0) {
printk(IBM_ERR "%s device not present\n", ibm->name);
return 0;
return -ENODEV;
}
acpi_driver_data(ibm->device) = ibm;
@ -2516,8 +2516,13 @@ static int __init setup_notify(struct ibm_struct *ibm)
status = acpi_install_notify_handler(*ibm->handle, ibm->type,
dispatch_notify, ibm);
if (ACPI_FAILURE(status)) {
printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n",
ibm->name, status);
if (status == AE_ALREADY_EXISTS) {
printk(IBM_NOTICE "another device driver is already handling %s events\n",
ibm->name);
} else {
printk(IBM_ERR "acpi_install_notify_handler(%s) failed: %d\n",
ibm->name, status);
}
return -ENODEV;
}
ibm->notify_installed = 1;
@ -2553,6 +2558,8 @@ static int __init register_driver(struct ibm_struct *ibm)
return ret;
}
static void ibm_exit(struct ibm_struct *ibm);
static int __init ibm_init(struct ibm_struct *ibm)
{
int ret;
@ -2594,6 +2601,12 @@ static int __init ibm_init(struct ibm_struct *ibm)
if (ibm->notify) {
ret = setup_notify(ibm);
if (ret == -ENODEV) {
printk(IBM_NOTICE "disabling subdriver %s\n",
ibm->name);
ibm_exit(ibm);
return 0;
}
if (ret < 0)
return ret;
}

11
drivers/acpi/namespace/nseval.c
View File

@ -154,7 +154,11 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
* Execute the method via the interpreter. The interpreter is locked
* here before calling into the AML parser
*/
acpi_ex_enter_interpreter();
status = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
status = acpi_ps_execute_method(info);
acpi_ex_exit_interpreter();
} else {
@ -178,7 +182,10 @@ acpi_status acpi_ns_evaluate(struct acpi_evaluate_info *info)
* resolution, we must lock it because we could access an opregion.
* The opregion access code assumes that the interpreter is locked.
*/
acpi_ex_enter_interpreter();
status = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status)) {
return_ACPI_STATUS(status);
}
/* Function has a strange interface */

7
drivers/acpi/namespace/nsinit.c
View File

@ -214,7 +214,7 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
u32 level, void *context, void **return_value)
{
acpi_object_type type;
acpi_status status = AE_OK;
acpi_status status;
struct acpi_init_walk_info *info =
(struct acpi_init_walk_info *)context;
struct acpi_namespace_node *node =
@ -268,7 +268,10 @@ acpi_ns_init_one_object(acpi_handle obj_handle,
/*
* Must lock the interpreter before executing AML code
*/
acpi_ex_enter_interpreter();
status = acpi_ex_enter_interpreter();
if (ACPI_FAILURE(status)) {
return (status);
}
/*
* Each of these types can contain executable AML code within the

11
drivers/acpi/namespace/nsxfeval.c
View File

@ -170,6 +170,7 @@ acpi_evaluate_object(acpi_handle handle,
struct acpi_buffer *return_buffer)
{
acpi_status status;
acpi_status status2;
struct acpi_evaluate_info *info;
acpi_size buffer_space_needed;
u32 i;
@ -328,12 +329,14 @@ acpi_evaluate_object(acpi_handle handle,
* Delete the internal return object. NOTE: Interpreter must be
* locked to avoid race condition.
*/
acpi_ex_enter_interpreter();
status2 = acpi_ex_enter_interpreter();
if (ACPI_SUCCESS(status2)) {
/* Remove one reference on the return object (should delete it) */
/* Remove one reference on the return object (should delete it) */
acpi_ut_remove_reference(info->return_object);
acpi_ex_exit_interpreter();
acpi_ut_remove_reference(info->return_object);
acpi_ex_exit_interpreter();
}
}
cleanup:

38
drivers/acpi/processor_idle.c
View File

@ -89,6 +89,12 @@ module_param(nocst, uint, 0000);
static unsigned int bm_history __read_mostly =
(HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1));
module_param(bm_history, uint, 0644);
static unsigned use_ipi = 2;
module_param(use_ipi, uint, 0644);
MODULE_PARM_DESC(use_ipi, "IPI (vs. LAPIC) irqs for not waking up from C2/C3"
" machines. 0=apic, 1=ipi, 2=auto\n");
/* --------------------------------------------------------------------------
Power Management
-------------------------------------------------------------------------- */
@ -260,9 +266,8 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate)
/*
* Some BIOS implementations switch to C3 in the published C2 state.
* This seems to be a common problem on AMD boxen, but other vendors
* are affected too. We pick the most conservative approach: we assume
* that the local APIC stops in both C2 and C3.
* This seems to be a common problem on AMD boxen and Intel Dothan/Banias
* Pentium M machines.
*/
static void acpi_timer_check_state(int state, struct acpi_processor *pr,
struct acpi_processor_cx *cx)
@ -276,8 +281,17 @@ static void acpi_timer_check_state(int state, struct acpi_processor *pr,
if (pwr->timer_broadcast_on_state < state)
return;
if (cx->type >= ACPI_STATE_C2)
pr->power.timer_broadcast_on_state = state;
if (cx->type >= ACPI_STATE_C2) {
if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
pr->power.timer_broadcast_on_state = state;
else if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
boot_cpu_data.x86 == 6) &&
(boot_cpu_data.x86_model == 13 ||
boot_cpu_data.x86_model == 9))
{
pr->power.timer_broadcast_on_state = state;
}
}
}
static void acpi_propagate_timer_broadcast(struct acpi_processor *pr)
@ -292,10 +306,16 @@ static void acpi_propagate_timer_broadcast(struct acpi_processor *pr)
#else
cpumask_t mask = cpumask_of_cpu(pr->id);
if (pr->power.timer_broadcast_on_state < INT_MAX)
if (use_ipi == 0)
on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
else
else if (use_ipi == 1)
on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
else {
if (pr->power.timer_broadcast_on_state < INT_MAX)
on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
else
on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
}
#endif
}
@ -1013,13 +1033,13 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
case ACPI_STATE_C2:
acpi_processor_power_verify_c2(cx);
if (cx->valid)
if (cx->valid && use_ipi != 0 && use_ipi != 1)
acpi_timer_check_state(i, pr, cx);
break;
case ACPI_STATE_C3:
acpi_processor_power_verify_c3(pr, cx);
if (cx->valid)
if (cx->valid && use_ipi != 0 && use_ipi != 1)
acpi_timer_check_state(i, pr, cx);
break;
}

57
drivers/acpi/tables.c
View File

@ -42,7 +42,9 @@ static char *mps_inti_flags_trigger[] = { "dfl", "edge", "res", "level" };
static struct acpi_table_desc initial_tables[ACPI_MAX_TABLES] __initdata;
void acpi_table_print_madt_entry(struct acpi_subtable_header * header)
static int acpi_apic_instance __initdata = 2;
void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
{
if (!header)
return;
@ -183,8 +185,10 @@ acpi_table_parse_entries(char *id,
if (!handler)
return -EINVAL;
/* Locate the table (if exists). There should only be one. */
acpi_get_table(id, 0, &table_header);
if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
acpi_get_table(id, acpi_apic_instance, &table_header);
else
acpi_get_table(id, 0, &table_header);
if (!table_header) {
printk(KERN_WARNING PREFIX "%4.4s not present\n", id);
@ -237,10 +241,15 @@ acpi_table_parse_madt(enum acpi_madt_type id,
int __init acpi_table_parse(char *id, acpi_table_handler handler)
{
struct acpi_table_header *table = NULL;
if (!handler)
return -EINVAL;
acpi_get_table(id, 0, &table);
if (strncmp(id, ACPI_SIG_MADT, 4) == 0)
acpi_get_table(id, acpi_apic_instance, &table);
else
acpi_get_table(id, 0, &table);
if (table) {
handler(table);
return 0;
@ -248,6 +257,31 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
return 1;
}
/*
* The BIOS is supposed to supply a single APIC/MADT,
* but some report two. Provide a knob to use either.
* (don't you wish instance 0 and 1 were not the same?)
*/
static void __init check_multiple_madt(void)
{
struct acpi_table_header *table = NULL;
acpi_get_table(ACPI_SIG_MADT, 2, &table);
if (table) {
printk(KERN_WARNING PREFIX
"BIOS bug: multiple APIC/MADT found,"
" using %d\n", acpi_apic_instance);
printk(KERN_WARNING PREFIX
"If \"acpi_apic_instance=%d\" works better, "
"notify linux-acpi@vger.kernel.org\n",
acpi_apic_instance ? 0 : 2);
} else
acpi_apic_instance = 0;
return;
}
/*
* acpi_table_init()
*
@ -257,9 +291,22 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
* result: sdt_entry[] is initialized
*/
int __init acpi_table_init(void)
{
acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
check_multiple_madt();
return 0;
}
static int __init acpi_parse_apic_instance(char *str)
{
acpi_apic_instance = simple_strtoul(str, NULL, 0);
printk(KERN_NOTICE PREFIX "Shall use APIC/MADT table %d\n",
acpi_apic_instance);
return 0;
}
early_param("acpi_apic_instance", acpi_parse_apic_instance);

6
include/acpi/acinterp.h
View File

@ -446,14 +446,10 @@ acpi_ex_copy_integer_to_buffer_field(union acpi_operand_object *source_desc,
/*
* exutils - interpreter/scanner utilities
*/
void acpi_ex_enter_interpreter(void);
acpi_status acpi_ex_enter_interpreter(void);
void acpi_ex_exit_interpreter(void);
void acpi_ex_reacquire_interpreter(void);
void acpi_ex_relinquish_interpreter(void);
void acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
u8 acpi_ex_acquire_global_lock(u32 rule);

2
include/acpi/actypes.h
View File

@ -344,7 +344,7 @@ typedef u32 acpi_integer;
/* 64-bit integers */
typedef u64 acpi_integer;
typedef unsigned long long acpi_integer;
#define ACPI_INTEGER_MAX ACPI_UINT64_MAX
#define ACPI_INTEGER_BIT_SIZE 64
#define ACPI_MAX_DECIMAL_DIGITS 20 /* 2^64 = 18,446,744,073,709,551,616 */