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

Browse Source 
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits)
  ACPICA: fix stray va_end() caused by mis-merge
  ACPI: Reject below-freezing temperatures as invalid critical temperatures
  ACPICA: Fix for access to deleted object <regression>
  ACPICA: Fix to make _SST method optional
  ACPICA: Fix for Load operator, load table at the namespace root
  ACPICA: Ignore ACPI table signature for Load() operator
  ACPICA: Fix to allow zero-length ASL field declarations
  ACPI: use memory_read_from_buffer()
  bay: exit if notify handler cannot be installed
  dock.c remove trailing printk whitespace
  proper prototype for acpi_processor_tstate_has_changed()
  ACPI: handle invalid ACPI SLIT table
  PNPACPI: use _CRS IRQ descriptor length for _SRS
  pnpacpi: fix shareable IRQ encode/decode
  pnpacpi: fix IRQ flag decoding
  MAINTAINERS: update ACPI homepage
  ACPI 2.6.26-rc2: Add missing newline to DSDT/SSDT warning message
  ACPI: EC: Use msleep instead of udelay while waiting for event.
  thinkpad-acpi: fix LED handling on older ThinkPads
  thinkpad-acpi: fix initialization error paths
  ...
This commit is contained in:
Linus Torvalds 2008-06-11 17:16:32 -07:00
commit da50ccc6a0
27 changed files with 443 additions and 368 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/laptops/thinkpad-acpi.txt
View File

@ -503,7 +503,7 @@ generate input device EV_KEY events.
In addition to the EV_KEY events, thinkpad-acpi may also issue EV_SW
events for switches:
SW_RADIO T60 and later hardare rfkill rocker switch
SW_RFKILL_ALL T60 and later hardare rfkill rocker switch
SW_TABLET_MODE Tablet ThinkPads HKEY events 0x5009 and 0x500A
Non hot-key ACPI HKEY event map:

10
MAINTAINERS
View File

@ -228,21 +228,21 @@ ACPI BATTERY DRIVERS
P: Alexey Starikovskiy
M: astarikovskiy@suse.de
L: linux-acpi@vger.kernel.org
W: http://acpi.sourceforge.net/
W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI EC DRIVER
P: Alexey Starikovskiy
M: astarikovskiy@suse.de
L: linux-acpi@vger.kernel.org
W: http://acpi.sourceforge.net/
W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI FAN DRIVER
P: Len Brown
M: len.brown@intel.com
L: linux-acpi@vger.kernel.org
W: http://acpi.sourceforge.net/
W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI PCI HOTPLUG DRIVER
@ -255,14 +255,14 @@ ACPI THERMAL DRIVER
P: Len Brown
M: len.brown@intel.com
L: linux-acpi@vger.kernel.org
W: http://acpi.sourceforge.net/
W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI VIDEO DRIVER
P: Rui Zhang
M: rui.zhang@intel.com
L: linux-acpi@vger.kernel.org
W: http://acpi.sourceforge.net/
W: http://www.lesswatts.org/projects/acpi/
S: Supported
ACPI WMI DRIVER

9
arch/ia64/kernel/acpi.c
View File

@ -465,7 +465,6 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
printk(KERN_ERR
"ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
len, slit->header.length);
memset(numa_slit, 10, sizeof(numa_slit));
return;
}
slit_table = slit;
@ -574,8 +573,14 @@ void __init acpi_numa_arch_fixup(void)
printk(KERN_INFO "Number of memory chunks in system = %d\n",
num_node_memblks);
if (!slit_table)
if (!slit_table) {
for (i = 0; i < MAX_NUMNODES; i++)
for (j = 0; j < MAX_NUMNODES; j++)
node_distance(i, j) = i == j ? LOCAL_DISTANCE :
REMOTE_DISTANCE;
return;
}
memset(numa_slit, -1, sizeof(numa_slit));
for (i = 0; i < slit_table->locality_count; i++) {
if (!pxm_bit_test(i))

27
arch/x86/mm/srat_64.c
View File

@ -97,36 +97,9 @@ static __init inline int srat_disabled(void)
return numa_off || acpi_numa < 0;
}
/*
* A lot of BIOS fill in 10 (= no distance) everywhere. This messes
* up the NUMA heuristics which wants the local node to have a smaller
* distance than the others.
* Do some quick checks here and only use the SLIT if it passes.
*/
static __init int slit_valid(struct acpi_table_slit *slit)
{
int i, j;
int d = slit->locality_count;
for (i = 0; i < d; i++) {
for (j = 0; j < d; j++) {
u8 val = slit->entry[d*i + j];
if (i == j) {
if (val != LOCAL_DISTANCE)
return 0;
} else if (val <= LOCAL_DISTANCE)
return 0;
}
}
return 1;
}
/* Callback for SLIT parsing */
void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
{
if (!slit_valid(slit)) {
printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
return;
}
acpi_slit = slit;
}

16
drivers/acpi/bay.c
View File

@ -301,16 +301,20 @@ static int bay_add(acpi_handle handle, int id)
*/
pdev->dev.uevent_suppress = 0;
if (acpi_bay_add_fs(new_bay)) {
platform_device_unregister(new_bay->pdev);
goto bay_add_err;
}
/* register for events on this device */
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
bay_notify, new_bay);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR PREFIX "Error installing bay notify handler\n");
printk(KERN_INFO PREFIX "Error installing bay notify handler\n");
platform_device_unregister(new_bay->pdev);
goto bay_add_err;
}
if (acpi_bay_add_fs(new_bay)) {
acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
bay_notify);
platform_device_unregister(new_bay->pdev);
goto bay_add_err;
}
/* if we are on a dock station, we should register for dock

5
drivers/acpi/dispatcher/dsfield.c
View File

@ -450,10 +450,6 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (!arg) {
return_ACPI_STATUS(AE_AML_NO_OPERAND);
}
/* Creating new namespace node(s), should not already exist */
flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
@ -467,6 +463,7 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
/*
* Walk the list of entries in the field_list
* Note: field_list can be of zero length. In this case, Arg will be NULL.
*/
while (arg) {
/*

2
drivers/acpi/dock.c
View File

@ -834,7 +834,7 @@ static int dock_add(acpi_handle handle)
goto dock_add_err;
}
printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION);
printk(KERN_INFO PREFIX "%s\n", ACPI_DOCK_DRIVER_DESCRIPTION);
return 0;

2
drivers/acpi/ec.c
View File

@ -194,7 +194,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
while (time_before(jiffies, delay)) {
if (acpi_ec_check_status(ec, event))
return 0;
udelay(ACPI_EC_UDELAY);
msleep(1);
}
}
pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",

10
drivers/acpi/executer/exconfig.c
View File

@ -375,9 +375,15 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc,
goto cleanup;
}
/*
* Add the table to the namespace.
*
* Note: We load the table objects relative to the root of the namespace.
* This appears to go against the ACPI specification, but we do it for
* compatibility with other ACPI implementations.
*/
status =
acpi_ex_add_table(table_index, walk_state->scope_info->scope.node,
&ddb_handle);
acpi_ex_add_table(table_index, acpi_gbl_root_node, &ddb_handle);
if (ACPI_FAILURE(status)) {
/* On error, table_ptr was deallocated above */

6
drivers/acpi/glue.c
View File

@ -272,6 +272,12 @@ static u32 rtc_handler(void *context)
static inline void rtc_wake_setup(void)
{
acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
/*
* After the RTC handler is installed, the Fixed_RTC event should
* be disabled. Only when the RTC alarm is set will it be enabled.
*/
acpi_clear_event(ACPI_EVENT_RTC);
acpi_disable_event(ACPI_EVENT_RTC, 0);
}
static void rtc_wake_on(struct device *dev)

8
drivers/acpi/hardware/hwsleep.c
View File

@ -223,15 +223,17 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
break;
}
/* Set the system indicators to show the desired sleep state. */
/*
* Set the system indicators to show the desired sleep state.
* _SST is an optional method (return no error if not found)
*/
status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
ACPI_EXCEPTION((AE_INFO, status,
"While executing method _SST"));
}
return_ACPI_STATUS(status);
return_ACPI_STATUS(AE_OK);
}
ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)

31
drivers/acpi/numa.c
View File

@ -140,19 +140,42 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
}
}
/*
* A lot of BIOS fill in 10 (= no distance) everywhere. This messes
* up the NUMA heuristics which wants the local node to have a smaller
* distance than the others.
* Do some quick checks here and only use the SLIT if it passes.
*/
static __init int slit_valid(struct acpi_table_slit *slit)
{
int i, j;
int d = slit->locality_count;
for (i = 0; i < d; i++) {
for (j = 0; j < d; j++) {
u8 val = slit->entry[d*i + j];
if (i == j) {
if (val != LOCAL_DISTANCE)
return 0;
} else if (val <= LOCAL_DISTANCE)
return 0;
}
}
return 1;
}
static int __init acpi_parse_slit(struct acpi_table_header *table)
{
struct acpi_table_slit *slit;
u32 localities;
if (!table)
return -EINVAL;
slit = (struct acpi_table_slit *)table;
/* downcast just for %llu vs %lu for i386/ia64 */
localities = (u32) slit->locality_count;
if (!slit_valid(slit)) {
printk(KERN_INFO "ACPI: SLIT table looks invalid. Not used.\n");
return -EINVAL;
}
acpi_numa_slit_init(slit);
return 0;

4
drivers/acpi/parser/psargs.c
View File

@ -268,7 +268,7 @@ acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
*/
if (ACPI_SUCCESS(status) &&
possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) {
if (walk_state->opcode == AML_UNLOAD_OP) {
/*
* acpi_ps_get_next_namestring has increased the AML pointer,
* so we need to restore the saved AML pointer for method call.
@ -691,7 +691,7 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
/* To support super_name arg of Unload */
if (walk_state->op->common.aml_opcode == AML_UNLOAD_OP) {
if (walk_state->opcode == AML_UNLOAD_OP) {
status =
acpi_ps_get_next_namepath(walk_state,
parser_state, arg,

1
drivers/acpi/processor_core.c
View File

@ -86,7 +86,6 @@ static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
static void acpi_processor_notify(acpi_handle handle, u32 event, void *data);
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
extern int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
static const struct acpi_device_id processor_device_ids[] = {

13
drivers/acpi/processor_idle.c
View File

@ -1669,6 +1669,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
return -EINVAL;
}
dev->cpu = pr->id;
for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
dev->states[i].name[0] = '\0';
dev->states[i].desc[0] = '\0';
@ -1738,7 +1739,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
int acpi_processor_cst_has_changed(struct acpi_processor *pr)
{
int ret;
int ret = 0;
if (boot_option_idle_override)
return 0;
@ -1756,8 +1757,10 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr)
cpuidle_pause_and_lock();
cpuidle_disable_device(&pr->power.dev);
acpi_processor_get_power_info(pr);
acpi_processor_setup_cpuidle(pr);
ret = cpuidle_enable_device(&pr->power.dev);
if (pr->flags.power) {
acpi_processor_setup_cpuidle(pr);
ret = cpuidle_enable_device(&pr->power.dev);
}
cpuidle_resume_and_unlock();
return ret;
@ -1813,7 +1816,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
if (pr->flags.power) {
#ifdef CONFIG_CPU_IDLE
acpi_processor_setup_cpuidle(pr);
pr->power.dev.cpu = pr->id;
if (cpuidle_register_device(&pr->power.dev))
return -EIO;
#endif
@ -1850,8 +1852,7 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
return 0;
#ifdef CONFIG_CPU_IDLE
if (pr->flags.power)
cpuidle_unregister_device(&pr->power.dev);
cpuidle_unregister_device(&pr->power.dev);
#endif
pr->flags.power_setup_done = 0;

6
drivers/acpi/sleep/proc.c
View File

@ -495,6 +495,12 @@ static int __init acpi_sleep_proc_init(void)
acpi_root_dir, &acpi_system_alarm_fops);
acpi_install_fixed_event_handler(ACPI_EVENT_RTC, rtc_handler, NULL);
/*
* Disable the RTC event after installing RTC handler.
* Only when RTC alarm is set will it be enabled.
*/
acpi_clear_event(ACPI_EVENT_RTC);
acpi_disable_event(ACPI_EVENT_RTC, 0);
#endif /* HAVE_ACPI_LEGACY_ALARM */
/* 'wakeup device' [R/W] */

15
drivers/acpi/system.c
View File

@ -77,7 +77,6 @@ static ssize_t acpi_table_show(struct kobject *kobj,
container_of(bin_attr, struct acpi_table_attr, attr);
struct acpi_table_header *table_header = NULL;
acpi_status status;
ssize_t ret_count = count;
status =
acpi_get_table(table_attr->name, table_attr->instance,
@ -85,18 +84,8 @@ static ssize_t acpi_table_show(struct kobject *kobj,
if (ACPI_FAILURE(status))
return -ENODEV;
if (offset >= table_header->length) {
ret_count = 0;
goto end;
}
if (offset + ret_count > table_header->length)
ret_count = table_header->length - offset;
memcpy(buf, ((char *)table_header) + offset, ret_count);
end:
return ret_count;
return memory_read_from_buffer(buf, count, &offset,
table_header, table_header->length);
}
static void acpi_table_attr_init(struct acpi_table_attr *table_attr,

25
drivers/acpi/tables/tbinstal.c
View File

@ -123,24 +123,13 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc,
}
}
/* The table must be either an SSDT or a PSDT or an OEMx */
if (!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_PSDT)&&
!ACPI_COMPARE_NAME(table_desc->pointer->signature, ACPI_SIG_SSDT)&&
strncmp(table_desc->pointer->signature, "OEM", 3)) {
/* Check for a printable name */
if (acpi_ut_valid_acpi_name(
*(u32 *) table_desc->pointer->signature)) {
ACPI_ERROR((AE_INFO, "Table has invalid signature "
"[%4.4s], must be SSDT or PSDT",
table_desc->pointer->signature));
} else {
ACPI_ERROR((AE_INFO, "Table has invalid signature "
"(0x%8.8X), must be SSDT or PSDT",
*(u32 *) table_desc->pointer->signature));
}
return_ACPI_STATUS(AE_BAD_SIGNATURE);
}
/*
* Originally, we checked the table signature for "SSDT" or "PSDT" here.
* Next, we added support for OEMx tables, signature "OEM".
* Valid tables were encountered with a null signature, so we've just
* given up on validating the signature, since it seems to be a waste
* of code. The original code was removed (05/2008).
*/
(void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES);

2
drivers/acpi/tables/tbxface.c
View File

@ -540,7 +540,7 @@ static acpi_status acpi_tb_load_namespace(void)
acpi_tb_print_table_header(0, table);
if (no_auto_ssdt == 0) {
printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"");
printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n");
}
}

11
drivers/acpi/thermal.c
View File

@ -364,10 +364,17 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
if (flag & ACPI_TRIPS_CRITICAL) {
status = acpi_evaluate_integer(tz->device->handle,
"_CRT", NULL, &tz->trips.critical.temperature);
if (ACPI_FAILURE(status)) {
/*
* Treat freezing temperatures as invalid as well; some
* BIOSes return really low values and cause reboots at startup.
* Below zero (Celcius) values clearly aren't right for sure..
* ... so lets discard those as invalid.
*/
if (ACPI_FAILURE(status) ||
tz->trips.critical.temperature <= 2732) {
tz->trips.critical.flags.valid = 0;
ACPI_EXCEPTION((AE_INFO, status,
"No critical threshold"));
"No or invalid critical threshold"));
return -ENODEV;
} else {
tz->trips.critical.flags.valid = 1;

2
drivers/acpi/utilities/utmisc.c
View File

@ -1048,6 +1048,7 @@ acpi_ut_exception(char *module_name,
va_start(args, format);
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
va_end(args);
}
EXPORT_SYMBOL(acpi_ut_exception);
@ -1063,7 +1064,6 @@ acpi_ut_warning(char *module_name, u32 line_number, char *format, ...)
acpi_os_vprintf(format, args);
acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
va_end(args);
va_end(args);
}
void ACPI_INTERNAL_VAR_XFACE

40
drivers/cpuidle/cpuidle.c
View File

@ -38,6 +38,8 @@ static void cpuidle_kick_cpus(void)
static void cpuidle_kick_cpus(void) {}
#endif
static int __cpuidle_register_device(struct cpuidle_device *dev);
/**
* cpuidle_idle_call - the main idle loop
*
@ -138,6 +140,12 @@ int cpuidle_enable_device(struct cpuidle_device *dev)
if (!dev->state_count)
return -EINVAL;
if (dev->registered == 0) {
ret = __cpuidle_register_device(dev);
if (ret)
return ret;
}
if ((ret = cpuidle_add_state_sysfs(dev)))
return ret;
@ -232,10 +240,13 @@ static void poll_idle_init(struct cpuidle_device *dev) {}
#endif /* CONFIG_ARCH_HAS_CPU_RELAX */
/**
* cpuidle_register_device - registers a CPU's idle PM feature
* __cpuidle_register_device - internal register function called before register
* and enable routines
* @dev: the cpu
*
* cpuidle_lock mutex must be held before this is called
*/
int cpuidle_register_device(struct cpuidle_device *dev)
static int __cpuidle_register_device(struct cpuidle_device *dev)
{
int ret;
struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
@ -247,18 +258,34 @@ int cpuidle_register_device(struct cpuidle_device *dev)
init_completion(&dev->kobj_unregister);
mutex_lock(&cpuidle_lock);
poll_idle_init(dev);
per_cpu(cpuidle_devices, dev->cpu) = dev;
list_add(&dev->device_list, &cpuidle_detected_devices);
if ((ret = cpuidle_add_sysfs(sys_dev))) {
mutex_unlock(&cpuidle_lock);
module_put(cpuidle_curr_driver->owner);
return ret;
}
dev->registered = 1;
return 0;
}
/**
* cpuidle_register_device - registers a CPU's idle PM feature
* @dev: the cpu
*/
int cpuidle_register_device(struct cpuidle_device *dev)
{
int ret;
mutex_lock(&cpuidle_lock);
if ((ret = __cpuidle_register_device(dev))) {
mutex_unlock(&cpuidle_lock);
return ret;
}
cpuidle_enable_device(dev);
cpuidle_install_idle_handler();
@ -278,6 +305,9 @@ void cpuidle_unregister_device(struct cpuidle_device *dev)
{
struct sys_device *sys_dev = get_cpu_sysdev((unsigned long)dev->cpu);
if (dev->registered == 0)
return;
cpuidle_pause_and_lock();
cpuidle_disable_device(dev);

510
drivers/misc/thinkpad_acpi.c
View File

@ -1293,7 +1293,7 @@ static void tpacpi_input_send_radiosw(void)
mutex_lock(&tpacpi_inputdev_send_mutex);
input_report_switch(tpacpi_inputdev,
SW_RADIO, !!wlsw);
SW_RFKILL_ALL, !!wlsw);
input_sync(tpacpi_inputdev);
mutex_unlock(&tpacpi_inputdev_send_mutex);
@ -1921,6 +1921,29 @@ static struct attribute *hotkey_mask_attributes[] __initdata = {
&dev_attr_hotkey_wakeup_hotunplug_complete.attr,
};
static void hotkey_exit(void)
{
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
hotkey_poll_stop_sync();
#endif
if (hotkey_dev_attributes)
delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
kfree(hotkey_keycode_map);
if (tp_features.hotkey) {
dbg_printk(TPACPI_DBG_EXIT,
"restoring original hot key mask\n");
/* no short-circuit boolean operator below! */
if ((hotkey_mask_set(hotkey_orig_mask) |
hotkey_status_set(hotkey_orig_status)) != 0)
printk(TPACPI_ERR
"failed to restore hot key mask "
"to BIOS defaults\n");
}
}
static int __init hotkey_init(struct ibm_init_struct *iibm)
{
/* Requirements for changing the default keymaps:
@ -2060,226 +2083,220 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
vdbg_printk(TPACPI_DBG_INIT, "hotkeys are %s\n",
str_supported(tp_features.hotkey));
if (tp_features.hotkey) {
hotkey_dev_attributes = create_attr_set(13, NULL);
if (!hotkey_dev_attributes)
return -ENOMEM;
res = add_many_to_attr_set(hotkey_dev_attributes,
hotkey_attributes,
ARRAY_SIZE(hotkey_attributes));
if (!tp_features.hotkey)
return 1;
hotkey_dev_attributes = create_attr_set(13, NULL);
if (!hotkey_dev_attributes)
return -ENOMEM;
res = add_many_to_attr_set(hotkey_dev_attributes,
hotkey_attributes,
ARRAY_SIZE(hotkey_attributes));
if (res)
goto err_exit;
/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking
for HKEY interface version 0x100 */
if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
if ((hkeyv >> 8) != 1) {
printk(TPACPI_ERR "unknown version of the "
"HKEY interface: 0x%x\n", hkeyv);
printk(TPACPI_ERR "please report this to %s\n",
TPACPI_MAIL);
} else {
/*
* MHKV 0x100 in A31, R40, R40e,
* T4x, X31, and later
*/
tp_features.hotkey_mask = 1;
}
}
vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
if (tp_features.hotkey_mask) {
if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
"MHKA", "qd")) {
printk(TPACPI_ERR
"missing MHKA handler, "
"please report this to %s\n",
TPACPI_MAIL);
/* FN+F12, FN+F4, FN+F3 */
hotkey_all_mask = 0x080cU;
}
}
/* hotkey_source_mask *must* be zero for
* the first hotkey_mask_get */
res = hotkey_status_get(&hotkey_orig_status);
if (res)
goto err_exit;
if (tp_features.hotkey_mask) {
res = hotkey_mask_get();
if (res)
return res;
goto err_exit;
/* mask not supported on 570, 600e/x, 770e, 770x, A21e, A2xm/p,
A30, R30, R31, T20-22, X20-21, X22-24. Detected by checking
for HKEY interface version 0x100 */
if (acpi_evalf(hkey_handle, &hkeyv, "MHKV", "qd")) {
if ((hkeyv >> 8) != 1) {
printk(TPACPI_ERR "unknown version of the "
"HKEY interface: 0x%x\n", hkeyv);
printk(TPACPI_ERR "please report this to %s\n",
TPACPI_MAIL);
} else {
/*
* MHKV 0x100 in A31, R40, R40e,
* T4x, X31, and later
*/
tp_features.hotkey_mask = 1;
}
}
vdbg_printk(TPACPI_DBG_INIT, "hotkey masks are %s\n",
str_supported(tp_features.hotkey_mask));
if (tp_features.hotkey_mask) {
if (!acpi_evalf(hkey_handle, &hotkey_all_mask,
"MHKA", "qd")) {
printk(TPACPI_ERR
"missing MHKA handler, "
"please report this to %s\n",
TPACPI_MAIL);
/* FN+F12, FN+F4, FN+F3 */
hotkey_all_mask = 0x080cU;
}
}
/* hotkey_source_mask *must* be zero for
* the first hotkey_mask_get */
res = hotkey_status_get(&hotkey_orig_status);
if (!res && tp_features.hotkey_mask) {
res = hotkey_mask_get();
hotkey_orig_mask = hotkey_mask;
if (!res) {
res = add_many_to_attr_set(
hotkey_dev_attributes,
hotkey_mask_attributes,
ARRAY_SIZE(hotkey_mask_attributes));
}
}
hotkey_orig_mask = hotkey_mask;
res = add_many_to_attr_set(
hotkey_dev_attributes,
hotkey_mask_attributes,
ARRAY_SIZE(hotkey_mask_attributes));
if (res)
goto err_exit;
}
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
if (tp_features.hotkey_mask) {
hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
& ~hotkey_all_mask;
} else {
hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
}
if (tp_features.hotkey_mask) {
hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK
& ~hotkey_all_mask;
} else {
hotkey_source_mask = TPACPI_HKEY_NVRAM_GOOD_MASK;
}
vdbg_printk(TPACPI_DBG_INIT,
"hotkey source mask 0x%08x, polling freq %d\n",
hotkey_source_mask, hotkey_poll_freq);
vdbg_printk(TPACPI_DBG_INIT,
"hotkey source mask 0x%08x, polling freq %d\n",
hotkey_source_mask, hotkey_poll_freq);
#endif
/* Not all thinkpads have a hardware radio switch */
if (!res && acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
tp_features.hotkey_wlsw = 1;
printk(TPACPI_INFO
"radio switch found; radios are %s\n",
enabled(status, 0));
res = add_to_attr_set(hotkey_dev_attributes,
&dev_attr_hotkey_radio_sw.attr);
}
/* Not all thinkpads have a hardware radio switch */
if (acpi_evalf(hkey_handle, &status, "WLSW", "qd")) {
tp_features.hotkey_wlsw = 1;
printk(TPACPI_INFO
"radio switch found; radios are %s\n",
enabled(status, 0));
res = add_to_attr_set(hotkey_dev_attributes,
&dev_attr_hotkey_radio_sw.attr);
}
/* For X41t, X60t, X61t Tablets... */
if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
tp_features.hotkey_tablet = 1;
printk(TPACPI_INFO
"possible tablet mode switch found; "
"ThinkPad in %s mode\n",
(status & TP_HOTKEY_TABLET_MASK)?
"tablet" : "laptop");
res = add_to_attr_set(hotkey_dev_attributes,
&dev_attr_hotkey_tablet_mode.attr);
}
/* For X41t, X60t, X61t Tablets... */
if (!res && acpi_evalf(hkey_handle, &status, "MHKG", "qd")) {
tp_features.hotkey_tablet = 1;
printk(TPACPI_INFO
"possible tablet mode switch found; "
"ThinkPad in %s mode\n",
(status & TP_HOTKEY_TABLET_MASK)?
"tablet" : "laptop");
res = add_to_attr_set(hotkey_dev_attributes,
&dev_attr_hotkey_tablet_mode.attr);
}
if (!res)
res = register_attr_set_with_sysfs(
hotkey_dev_attributes,
&tpacpi_pdev->dev.kobj);
if (res)
return res;
if (!res)
res = register_attr_set_with_sysfs(
hotkey_dev_attributes,
&tpacpi_pdev->dev.kobj);
if (res)
goto err_exit;
/* Set up key map */
/* Set up key map */
hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
GFP_KERNEL);
if (!hotkey_keycode_map) {
printk(TPACPI_ERR
"failed to allocate memory for key map\n");
return -ENOMEM;
}
hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
GFP_KERNEL);
if (!hotkey_keycode_map) {
printk(TPACPI_ERR
"failed to allocate memory for key map\n");
res = -ENOMEM;
goto err_exit;
}
if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
dbg_printk(TPACPI_DBG_INIT,
"using Lenovo default hot key map\n");
memcpy(hotkey_keycode_map, &lenovo_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
if (thinkpad_id.vendor == PCI_VENDOR_ID_LENOVO) {
dbg_printk(TPACPI_DBG_INIT,
"using Lenovo default hot key map\n");
memcpy(hotkey_keycode_map, &lenovo_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
} else {
dbg_printk(TPACPI_DBG_INIT,
"using IBM default hot key map\n");
memcpy(hotkey_keycode_map, &ibm_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
}
set_bit(EV_KEY, tpacpi_inputdev->evbit);
set_bit(EV_MSC, tpacpi_inputdev->evbit);
set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
tpacpi_inputdev->keycode = hotkey_keycode_map;
for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
if (hotkey_keycode_map[i] != KEY_RESERVED) {
set_bit(hotkey_keycode_map[i],
tpacpi_inputdev->keybit);
} else {
dbg_printk(TPACPI_DBG_INIT,
"using IBM default hot key map\n");
memcpy(hotkey_keycode_map, &ibm_keycode_map,
TPACPI_HOTKEY_MAP_SIZE);
if (i < sizeof(hotkey_reserved_mask)*8)
hotkey_reserved_mask |= 1 << i;
}
set_bit(EV_KEY, tpacpi_inputdev->evbit);
set_bit(EV_MSC, tpacpi_inputdev->evbit);
set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
tpacpi_inputdev->keycode = hotkey_keycode_map;
for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
if (hotkey_keycode_map[i] != KEY_RESERVED) {
set_bit(hotkey_keycode_map[i],
tpacpi_inputdev->keybit);
} else {
if (i < sizeof(hotkey_reserved_mask)*8)
hotkey_reserved_mask |= 1 << i;
}
}
if (tp_features.hotkey_wlsw) {
set_bit(EV_SW, tpacpi_inputdev->evbit);
set_bit(SW_RADIO, tpacpi_inputdev->swbit);
}
if (tp_features.hotkey_tablet) {
set_bit(EV_SW, tpacpi_inputdev->evbit);
set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
}
/* Do not issue duplicate brightness change events to
* userspace */
if (!tp_features.bright_acpimode)
/* update bright_acpimode... */
tpacpi_check_std_acpi_brightness_support();
if (tp_features.bright_acpimode) {
printk(TPACPI_INFO
"This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "
"video driver\n");
printk(TPACPI_NOTICE
"Disabling thinkpad-acpi brightness events "
"by default...\n");
/* The hotkey_reserved_mask change below is not
* necessary while the keys are at KEY_RESERVED in the
* default map, but better safe than sorry, leave it
* here as a marker of what we have to do, especially
* when we finally become able to set this at runtime
* on response to X.org requests */
hotkey_reserved_mask |=
(1 << TP_ACPI_HOTKEYSCAN_FNHOME)
| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
}
dbg_printk(TPACPI_DBG_INIT,
"enabling hot key handling\n");
res = hotkey_status_set(1);
if (res)
return res;
res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
& ~hotkey_reserved_mask)
| hotkey_orig_mask);
if (res < 0 && res != -ENXIO)
return res;
dbg_printk(TPACPI_DBG_INIT,
"legacy hot key reporting over procfs %s\n",
(hotkey_report_mode < 2) ?
"enabled" : "disabled");
tpacpi_inputdev->open = &hotkey_inputdev_open;
tpacpi_inputdev->close = &hotkey_inputdev_close;
hotkey_poll_setup_safe(1);
tpacpi_input_send_radiosw();
tpacpi_input_send_tabletsw();
}
return (tp_features.hotkey)? 0 : 1;
}
static void hotkey_exit(void)
{
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
hotkey_poll_stop_sync();
#endif
if (tp_features.hotkey) {
dbg_printk(TPACPI_DBG_EXIT,
"restoring original hot key mask\n");
/* no short-circuit boolean operator below! */
if ((hotkey_mask_set(hotkey_orig_mask) |
hotkey_status_set(hotkey_orig_status)) != 0)
printk(TPACPI_ERR
"failed to restore hot key mask "
"to BIOS defaults\n");
if (tp_features.hotkey_wlsw) {
set_bit(EV_SW, tpacpi_inputdev->evbit);
set_bit(SW_RFKILL_ALL, tpacpi_inputdev->swbit);
}
if (tp_features.hotkey_tablet) {
set_bit(EV_SW, tpacpi_inputdev->evbit);
set_bit(SW_TABLET_MODE, tpacpi_inputdev->swbit);
}
if (hotkey_dev_attributes) {
delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
hotkey_dev_attributes = NULL;
/* Do not issue duplicate brightness change events to
* userspace */
if (!tp_features.bright_acpimode)
/* update bright_acpimode... */
tpacpi_check_std_acpi_brightness_support();
if (tp_features.bright_acpimode) {
printk(TPACPI_INFO
"This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "
"video driver\n");
printk(TPACPI_NOTICE
"Disabling thinkpad-acpi brightness events "
"by default...\n");
/* The hotkey_reserved_mask change below is not
* necessary while the keys are at KEY_RESERVED in the
* default map, but better safe than sorry, leave it
* here as a marker of what we have to do, especially
* when we finally become able to set this at runtime
* on response to X.org requests */
hotkey_reserved_mask |=
(1 << TP_ACPI_HOTKEYSCAN_FNHOME)
| (1 << TP_ACPI_HOTKEYSCAN_FNEND);
}
dbg_printk(TPACPI_DBG_INIT, "enabling hot key handling\n");
res = hotkey_status_set(1);
if (res) {
hotkey_exit();
return res;
}
res = hotkey_mask_set(((hotkey_all_mask | hotkey_source_mask)
& ~hotkey_reserved_mask)
| hotkey_orig_mask);
if (res < 0 && res != -ENXIO) {
hotkey_exit();
return res;
}
dbg_printk(TPACPI_DBG_INIT,
"legacy hot key reporting over procfs %s\n",
(hotkey_report_mode < 2) ?
"enabled" : "disabled");
tpacpi_inputdev->open = &hotkey_inputdev_open;
tpacpi_inputdev->close = &hotkey_inputdev_close;
hotkey_poll_setup_safe(1);
tpacpi_input_send_radiosw();
tpacpi_input_send_tabletsw();
return 0;
err_exit:
delete_attr_set(hotkey_dev_attributes, &tpacpi_pdev->dev.kobj);
hotkey_dev_attributes = NULL;
return (res < 0)? res : 1;
}
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
@ -3319,7 +3336,7 @@ static struct tpacpi_led_classdev tpacpi_led_thinklight = {
static int __init light_init(struct ibm_init_struct *iibm)
{
int rc = 0;
int rc;
vdbg_printk(TPACPI_DBG_INIT, "initializing light subdriver\n");
@ -3337,20 +3354,23 @@ static int __init light_init(struct ibm_init_struct *iibm)
tp_features.light_status =
acpi_evalf(ec_handle, NULL, "KBLT", "qv");
vdbg_printk(TPACPI_DBG_INIT, "light is %s\n",
str_supported(tp_features.light));
vdbg_printk(TPACPI_DBG_INIT, "light is %s, light status is %s\n",
str_supported(tp_features.light),
str_supported(tp_features.light_status));
if (tp_features.light) {
rc = led_classdev_register(&tpacpi_pdev->dev,
&tpacpi_led_thinklight.led_classdev);
}
if (!tp_features.light)
return 1;
rc = led_classdev_register(&tpacpi_pdev->dev,
&tpacpi_led_thinklight.led_classdev);
if (rc < 0) {
tp_features.light = 0;
tp_features.light_status = 0;
} else {
rc = (tp_features.light)? 0 : 1;
} else {
rc = 0;
}
return rc;
}
@ -3833,7 +3853,7 @@ static const char * const tpacpi_led_names[TPACPI_LED_NUMLEDS] = {
"tpacpi::standby",
};
static int led_get_status(unsigned int led)
static int led_get_status(const unsigned int led)
{
int status;
enum led_status_t led_s;
@ -3857,41 +3877,42 @@ static int led_get_status(unsigned int led)
/* not reached */
}
static int led_set_status(unsigned int led, enum led_status_t ledstatus)
static int led_set_status(const unsigned int led,
const enum led_status_t ledstatus)
{
/* off, on, blink. Index is led_status_t */
static const int led_sled_arg1[] = { 0, 1, 3 };
static const int led_exp_hlbl[] = { 0, 0, 1 }; /* led# * */
static const int led_exp_hlcl[] = { 0, 1, 1 }; /* led# * */
static const int led_led_arg1[] = { 0, 0x80, 0xc0 };
static const unsigned int led_sled_arg1[] = { 0, 1, 3 };
static const unsigned int led_led_arg1[] = { 0, 0x80, 0xc0 };
int rc = 0;
switch (led_supported) {
case TPACPI_LED_570:
/* 570 */
led = 1 << led;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_sled_arg1[ledstatus]))
rc = -EIO;
break;
/* 570 */
if (led > 7)
return -EINVAL;
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
(1 << led), led_sled_arg1[ledstatus]))
rc = -EIO;
break;
case TPACPI_LED_OLD:
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
led = 1 << led;
rc = ec_write(TPACPI_LED_EC_HLMS, led);
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLBL,
led * led_exp_hlbl[ledstatus]);
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLCL,
led * led_exp_hlcl[ledstatus]);
break;
/* 600e/x, 770e, 770x, A21e, A2xm/p, T20-22, X20 */
if (led > 7)
return -EINVAL;
rc = ec_write(TPACPI_LED_EC_HLMS, (1 << led));
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLBL,
(ledstatus == TPACPI_LED_BLINK) << led);
if (rc >= 0)
rc = ec_write(TPACPI_LED_EC_HLCL,
(ledstatus != TPACPI_LED_OFF) << led);
break;
case TPACPI_LED_NEW:
/* all others */
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_led_arg1[ledstatus]))
rc = -EIO;
break;
/* all others */
if (!acpi_evalf(led_handle, NULL, NULL, "vdd",
led, led_led_arg1[ledstatus]))
rc = -EIO;
break;
default:
rc = -ENXIO;
}
@ -3978,7 +3999,6 @@ static void led_exit(void)
}
kfree(tpacpi_leds);
tpacpi_leds = NULL;
}
static int __init led_init(struct ibm_init_struct *iibm)
@ -4802,7 +4822,6 @@ static void brightness_exit(void)
vdbg_printk(TPACPI_DBG_EXIT,
"calling backlight_device_unregister()\n");
backlight_device_unregister(ibm_backlight_device);
ibm_backlight_device = NULL;
}
}
@ -5764,11 +5783,16 @@ static int __init fan_init(struct ibm_init_struct *iibm)
fan_control_access_mode != TPACPI_FAN_WR_NONE) {
rc = sysfs_create_group(&tpacpi_sensors_pdev->dev.kobj,
&fan_attr_group);
if (!(rc < 0))
rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
&driver_attr_fan_watchdog);
if (rc < 0)
return rc;
rc = driver_create_file(&tpacpi_hwmon_pdriver.driver,
&driver_attr_fan_watchdog);
if (rc < 0) {
sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
&fan_attr_group);
return rc;
}
return 0;
} else
return 1;

46
drivers/pnp/pnpacpi/rsparser.c
View File

@ -50,15 +50,17 @@ static int irq_flags(int triggering, int polarity, int shareable)
flags = IORESOURCE_IRQ_HIGHEDGE;
}
if (shareable)
if (shareable == ACPI_SHARED)
flags |= IORESOURCE_IRQ_SHAREABLE;
return flags;
}
static void decode_irq_flags(int flag, int *triggering, int *polarity)
static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering,
int *polarity, int *shareable)
{
switch (flag) {
switch (flags & (IORESOURCE_IRQ_LOWLEVEL | IORESOURCE_IRQ_HIGHLEVEL |
IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE)) {
case IORESOURCE_IRQ_LOWLEVEL:
*triggering = ACPI_LEVEL_SENSITIVE;
*polarity = ACPI_ACTIVE_LOW;
@ -75,7 +77,18 @@ static void decode_irq_flags(int flag, int *triggering, int *polarity)
*triggering = ACPI_EDGE_SENSITIVE;
*polarity = ACPI_ACTIVE_HIGH;
break;
default:
dev_err(&dev->dev, "can't encode invalid IRQ mode %#x\n",
flags);
*triggering = ACPI_EDGE_SENSITIVE;
*polarity = ACPI_ACTIVE_HIGH;
break;
}
if (flags & IORESOURCE_IRQ_SHAREABLE)
*shareable = ACPI_SHARED;
else
*shareable = ACPI_EXCLUSIVE;
}
static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev,
@ -742,6 +755,9 @@ static acpi_status pnpacpi_type_resources(struct acpi_resource *res, void *data)
if (pnpacpi_supported_resource(res)) {
(*resource)->type = res->type;
(*resource)->length = sizeof(struct acpi_resource);
if (res->type == ACPI_RESOURCE_TYPE_IRQ)
(*resource)->data.irq.descriptor_length =
res->data.irq.descriptor_length;
(*resource)++;
}
@ -788,22 +804,21 @@ static void pnpacpi_encode_irq(struct pnp_dev *dev,
struct resource *p)
{
struct acpi_resource_irq *irq = &resource->data.irq;
int triggering, polarity;
int triggering, polarity, shareable;
decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
irq->triggering = triggering;
irq->polarity = polarity;
if (triggering == ACPI_EDGE_SENSITIVE)
irq->sharable = ACPI_EXCLUSIVE;
else
irq->sharable = ACPI_SHARED;
irq->sharable = shareable;
irq->interrupt_count = 1;
irq->interrupts[0] = p->start;
dev_dbg(&dev->dev, " encode irq %d %s %s %s\n", (int) p->start,
dev_dbg(&dev->dev, " encode irq %d %s %s %s (%d-byte descriptor)\n",
(int) p->start,
triggering == ACPI_LEVEL_SENSITIVE ? "level" : "edge",
polarity == ACPI_ACTIVE_LOW ? "low" : "high",
irq->sharable == ACPI_SHARED ? "shared" : "exclusive");
irq->sharable == ACPI_SHARED ? "shared" : "exclusive",
irq->descriptor_length);
}
static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
@ -811,16 +826,13 @@ static void pnpacpi_encode_ext_irq(struct pnp_dev *dev,
struct resource *p)
{
struct acpi_resource_extended_irq *extended_irq = &resource->data.extended_irq;
int triggering, polarity;
int triggering, polarity, shareable;
decode_irq_flags(p->flags & IORESOURCE_BITS, &triggering, &polarity);
decode_irq_flags(dev, p->flags, &triggering, &polarity, &shareable);
extended_irq->producer_consumer = ACPI_CONSUMER;
extended_irq->triggering = triggering;
extended_irq->polarity = polarity;
if (triggering == ACPI_EDGE_SENSITIVE)
extended_irq->sharable = ACPI_EXCLUSIVE;
else
extended_irq->sharable = ACPI_SHARED;
extended_irq->sharable = shareable;
extended_irq->interrupt_count = 1;
extended_irq->interrupts[0] = p->start;

1
include/acpi/processor.h
View File

@ -319,6 +319,7 @@ static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
#endif /* CONFIG_CPU_FREQ */
/* in processor_throttling.c */
int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
int acpi_processor_get_throttling_info(struct acpi_processor *pr);
extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
extern struct file_operations acpi_processor_throttling_fops;

1
include/linux/cpuidle.h
View File

@ -82,6 +82,7 @@ struct cpuidle_state_kobj {
};
struct cpuidle_device {
unsigned int registered:1;
unsigned int enabled:1;
unsigned int cpu;

6
include/linux/ioport.h
View File

@ -53,14 +53,14 @@ struct resource_list {
#define IORESOURCE_AUTO 0x40000000
#define IORESOURCE_BUSY 0x80000000 /* Driver has marked this resource busy */
/* ISA PnP IRQ specific bits (IORESOURCE_BITS) */
/* PnP IRQ specific bits (IORESOURCE_BITS) */
#define IORESOURCE_IRQ_HIGHEDGE (1<<0)
#define IORESOURCE_IRQ_LOWEDGE (1<<1)
#define IORESOURCE_IRQ_HIGHLEVEL (1<<2)
#define IORESOURCE_IRQ_LOWLEVEL (1<<3)
#define IORESOURCE_IRQ_SHAREABLE (1<<4)
/* ISA PnP DMA specific bits (IORESOURCE_BITS) */
/* PnP DMA specific bits (IORESOURCE_BITS) */
#define IORESOURCE_DMA_TYPE_MASK (3<<0)
#define IORESOURCE_DMA_8BIT (0<<0)
#define IORESOURCE_DMA_8AND16BIT (1<<0)
@ -76,7 +76,7 @@ struct resource_list {
#define IORESOURCE_DMA_TYPEB (2<<6)
#define IORESOURCE_DMA_TYPEF (3<<6)
/* ISA PnP memory I/O specific bits (IORESOURCE_BITS) */
/* PnP memory I/O specific bits (IORESOURCE_BITS) */
#define IORESOURCE_MEM_WRITEABLE (1<<0) /* dup: IORESOURCE_READONLY */
#define IORESOURCE_MEM_CACHEABLE (1<<1) /* dup: IORESOURCE_CACHEABLE */
#define IORESOURCE_MEM_RANGELENGTH (1<<2) /* dup: IORESOURCE_RANGELENGTH */