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linux-davinci-2.6.23
Commit 8066eff0 authored by Len Brown's avatar Len Brown
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/home/lenb/src/to-linus branch 'acpi-2.6.12'

parents 9a351e30 79cda7d0
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Showing with 634 additions and 309 deletions
drivers/acpi/Kconfig
View file @ 8066eff0
......@@ -133,9 +133,10 @@ config ACPI_HOTKEY
depends on ACPI_INTERPRETER
depends on EXPERIMENTAL
depends on !IA64_SGI_SN
default m
default n
help
ACPI generic hotkey
Experimental consolidated hotkey driver.
If you are unsure, say N.
config ACPI_FAN
tristate "Fan"
......
drivers/acpi/button.c
View file @ 8066eff0
......@@ -26,6 +26,9 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
......@@ -33,6 +36,9 @@
#define ACPI_BUTTON_COMPONENT 0x00080000
#define ACPI_BUTTON_DRIVER_NAME "ACPI Button Driver"
#define ACPI_BUTTON_CLASS "button"
#define ACPI_BUTTON_FILE_INFO "info"
#define ACPI_BUTTON_FILE_STATE "state"
#define ACPI_BUTTON_TYPE_UNKNOWN 0x00
#define ACPI_BUTTON_NOTIFY_STATUS 0x80
#define ACPI_BUTTON_SUBCLASS_POWER "power"
......@@ -64,6 +70,8 @@ MODULE_LICENSE("GPL");
static int acpi_button_add (struct acpi_device *device);
static int acpi_button_remove (struct acpi_device *device, int type);
static int acpi_button_info_open_fs(struct inode *inode, struct file *file);
static int acpi_button_state_open_fs(struct inode *inode, struct file *file);
static struct acpi_driver acpi_button_driver = {
.name = ACPI_BUTTON_DRIVER_NAME,
......@@ -82,6 +90,179 @@ struct acpi_button {
unsigned long pushed;
};
static struct file_operations acpi_button_info_fops = {
.open = acpi_button_info_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct file_operations acpi_button_state_fops = {
.open = acpi_button_state_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
static struct proc_dir_entry *acpi_button_dir;
static int acpi_button_info_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_button *button = (struct acpi_button *) seq->private;
ACPI_FUNCTION_TRACE("acpi_button_info_seq_show");
if (!button || !button->device)
return_VALUE(0);
seq_printf(seq, "type: %s\n",
acpi_device_name(button->device));
return_VALUE(0);
}
static int acpi_button_info_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_button_info_seq_show, PDE(inode)->data);
}
static int acpi_button_state_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_button *button = (struct acpi_button *) seq->private;
acpi_status status;
unsigned long state;
ACPI_FUNCTION_TRACE("acpi_button_state_seq_show");
if (!button || !button->device)
return_VALUE(0);
status = acpi_evaluate_integer(button->handle,"_LID",NULL,&state);
if (ACPI_FAILURE(status)) {
seq_printf(seq, "state: unsupported\n");
}
else{
seq_printf(seq, "state: %s\n", (state ? "open" : "closed"));
}
return_VALUE(0);
}
static int acpi_button_state_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_button_state_seq_show, PDE(inode)->data);
}
static struct proc_dir_entry *acpi_power_dir;
static struct proc_dir_entry *acpi_sleep_dir;
static struct proc_dir_entry *acpi_lid_dir;
static int
acpi_button_add_fs (
struct acpi_device *device)
{
struct proc_dir_entry *entry = NULL;
struct acpi_button *button = NULL;
ACPI_FUNCTION_TRACE("acpi_button_add_fs");
if (!device || !acpi_driver_data(device))
return_VALUE(-EINVAL);
button = acpi_driver_data(device);
switch (button->type) {
case ACPI_BUTTON_TYPE_POWER:
case ACPI_BUTTON_TYPE_POWERF:
if (!acpi_power_dir)
acpi_power_dir = proc_mkdir(ACPI_BUTTON_SUBCLASS_POWER,
acpi_button_dir);
entry = acpi_power_dir;
break;
case ACPI_BUTTON_TYPE_SLEEP:
case ACPI_BUTTON_TYPE_SLEEPF:
if (!acpi_sleep_dir)
acpi_sleep_dir = proc_mkdir(ACPI_BUTTON_SUBCLASS_SLEEP,
acpi_button_dir);
entry = acpi_sleep_dir;
break;
case ACPI_BUTTON_TYPE_LID:
if (!acpi_lid_dir)
acpi_lid_dir = proc_mkdir(ACPI_BUTTON_SUBCLASS_LID,
acpi_button_dir);
entry = acpi_lid_dir;
break;
}
if (!entry)
return_VALUE(-ENODEV);
entry->owner = THIS_MODULE;
acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry);
if (!acpi_device_dir(device))
return_VALUE(-ENODEV);
acpi_device_dir(device)->owner = THIS_MODULE;
/* 'info' [R] */
entry = create_proc_entry(ACPI_BUTTON_FILE_INFO,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BUTTON_FILE_INFO));
else {
entry->proc_fops = &acpi_button_info_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
/* show lid state [R] */
if (button->type == ACPI_BUTTON_TYPE_LID) {
entry = create_proc_entry(ACPI_BUTTON_FILE_STATE,
S_IRUGO, acpi_device_dir(device));
if (!entry)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Unable to create '%s' fs entry\n",
ACPI_BUTTON_FILE_INFO));
else {
entry->proc_fops = &acpi_button_state_fops;
entry->data = acpi_driver_data(device);
entry->owner = THIS_MODULE;
}
}
return_VALUE(0);
}
static int
acpi_button_remove_fs (
struct acpi_device *device)
{
struct acpi_button *button = NULL;
ACPI_FUNCTION_TRACE("acpi_button_remove_fs");
button = acpi_driver_data(device);
if (acpi_device_dir(device)) {
if (button->type == ACPI_BUTTON_TYPE_LID)
remove_proc_entry(ACPI_BUTTON_FILE_STATE,
acpi_device_dir(device));
remove_proc_entry(ACPI_BUTTON_FILE_INFO,
acpi_device_dir(device));
remove_proc_entry(acpi_device_bid(device),
acpi_device_dir(device)->parent);
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
}
/* --------------------------------------------------------------------------
Driver Interface
-------------------------------------------------------------------------- */
......@@ -121,7 +302,8 @@ acpi_button_notify_fixed (
ACPI_FUNCTION_TRACE("acpi_button_notify_fixed");
BUG_ON(!button);
if (!button)
return_ACPI_STATUS(AE_BAD_PARAMETER);
acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button);
......@@ -197,6 +379,10 @@ acpi_button_add (
goto end;
}
result = acpi_button_add_fs(device);
if (result)
goto end;
switch (button->type) {
case ACPI_BUTTON_TYPE_POWERF:
status = acpi_install_fixed_event_handler (
......@@ -240,6 +426,7 @@ acpi_button_add (
end:
if (result) {
acpi_button_remove_fs(device);
kfree(button);
}
......@@ -280,6 +467,8 @@ acpi_button_remove (struct acpi_device *device, int type)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Error removing notify handler\n"));
acpi_button_remove_fs(device);
kfree(button);
return_VALUE(0);
......@@ -293,14 +482,20 @@ acpi_button_init (void)
ACPI_FUNCTION_TRACE("acpi_button_init");
acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir);
if (!acpi_button_dir)
return_VALUE(-ENODEV);
acpi_button_dir->owner = THIS_MODULE;
result = acpi_bus_register_driver(&acpi_button_driver);
if (result < 0) {
remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
return_VALUE(-ENODEV);
}
return_VALUE(0);
}
static void __exit
acpi_button_exit (void)
{
......@@ -308,8 +503,17 @@ acpi_button_exit (void)
acpi_bus_unregister_driver(&acpi_button_driver);
if (acpi_power_dir)
remove_proc_entry(ACPI_BUTTON_SUBCLASS_POWER, acpi_button_dir);
if (acpi_sleep_dir)
remove_proc_entry(ACPI_BUTTON_SUBCLASS_SLEEP, acpi_button_dir);
if (acpi_lid_dir)
remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir);
remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir);
return_VOID;
}
module_init(acpi_button_init);
module_exit(acpi_button_exit);
drivers/acpi/ec.c
View file @ 8066eff0
......@@ -76,13 +76,14 @@ static int acpi_ec_remove (struct acpi_device *device, int type);
static int acpi_ec_start (struct acpi_device *device);
static int acpi_ec_stop (struct acpi_device *device, int type);
static int acpi_ec_burst_add ( struct acpi_device *device);
static int acpi_ec_polling_add ( struct acpi_device *device);
static struct acpi_driver acpi_ec_driver = {
.name = ACPI_EC_DRIVER_NAME,
.class = ACPI_EC_CLASS,
.ids = ACPI_EC_HID,
.ops = {
.add = acpi_ec_burst_add,
.add = acpi_ec_polling_add,
.remove = acpi_ec_remove,
.start = acpi_ec_start,
.stop = acpi_ec_stop,
......@@ -164,7 +165,7 @@ static union acpi_ec *ec_ecdt;
/* External interfaces use first EC only, so remember */
static struct acpi_device *first_ec;
static int acpi_ec_polling_mode;
static int acpi_ec_polling_mode = EC_POLLING;
/* --------------------------------------------------------------------------
Transaction Management
......@@ -1710,11 +1711,24 @@ static int __init acpi_fake_ecdt_setup(char *str)
acpi_fake_ecdt_enabled = 1;
return 0;
}
__setup("acpi_fake_ecdt", acpi_fake_ecdt_setup);
static int __init acpi_ec_set_polling_mode(char *str)
{
acpi_ec_polling_mode = EC_POLLING;
acpi_ec_driver.ops.add = acpi_ec_polling_add;
int burst;
if (!get_option(&str, &burst))
return 0;
if (burst) {
acpi_ec_polling_mode = EC_BURST;
acpi_ec_driver.ops.add = acpi_ec_burst_add;
} else {
acpi_ec_polling_mode = EC_POLLING;
acpi_ec_driver.ops.add = acpi_ec_polling_add;
}
printk(KERN_INFO PREFIX "EC %s mode.\n",
burst ? "burst": "polling");
return 0;
}
__setup("ec_polling", acpi_ec_set_polling_mode);
__setup("ec_burst=", acpi_ec_set_polling_mode);
drivers/acpi/hotkey.c
View file @ 8066eff0
/*
* hotkey.c - ACPI Hotkey Driver ($Revision:$)
/*
* hotkey.c - ACPI Hotkey Driver ($Revision: 0.2 $)
*
* Copyright (C) 2004 Luming Yu <luming.yu@intel.com>
*
......@@ -51,17 +51,18 @@
#define ACPI_HOTKEY_POLLING 0x2
#define ACPI_UNDEFINED_EVENT 0xf
#define MAX_CONFIG_RECORD_LEN 80
#define MAX_NAME_PATH_LEN 80
#define MAX_CALL_PARM 80
#define RESULT_STR_LEN 80
#define IS_EVENT(e) 0xff /* ((e) & 0x40000000) */
#define IS_POLL(e) 0xff /* (~((e) & 0x40000000)) */
#define ACTION_METHOD 0
#define POLL_METHOD 1
#define IS_EVENT(e) ((e) <= 10000 && (e) >0)
#define IS_POLL(e) ((e) > 10000)
#define IS_OTHERS(e) ((e)<=0 || (e)>=20000)
#define _COMPONENT ACPI_HOTKEY_COMPONENT
ACPI_MODULE_NAME("acpi_hotkey")
MODULE_AUTHOR("luming.yu@intel.com");
MODULE_AUTHOR("luming.yu@intel.com");
MODULE_DESCRIPTION(ACPI_HOTK_NAME);
MODULE_LICENSE("GPL");
......@@ -114,7 +115,7 @@ struct acpi_event_hotkey {
char *action_method; /* action method */
};
/*
/*
* There are two ways to poll status
* 1. directy call read_xxx method, without any arguments passed in
* 2. call write_xxx method, with arguments passed in, you need
......@@ -131,7 +132,7 @@ struct acpi_polling_hotkey {
char *poll_method; /* poll method */
acpi_handle action_handle; /* acpi handle attached action method */
char *action_method; /* action method */
void *poll_result; /* polling_result */
union acpi_object *poll_result; /* polling_result */
struct proc_dir_entry *proc;
};
......@@ -162,20 +163,25 @@ static struct acpi_driver hotkey_driver = {
},
};
static void free_hotkey_device(union acpi_hotkey *key);
static void free_hotkey_buffer(union acpi_hotkey *key);
static void free_poll_hotkey_buffer(union acpi_hotkey *key);
static int hotkey_open_config(struct inode *inode, struct file *file);
static int hotkey_poll_open_config(struct inode *inode, struct file *file);
static ssize_t hotkey_write_config(struct file *file,
const char __user * buffer,
size_t count, loff_t * data);
static ssize_t hotkey_write_poll_config(struct file *file,
const char __user * buffer,
size_t count, loff_t * data);
static int hotkey_info_open_fs(struct inode *inode, struct file *file);
static int hotkey_action_open_fs(struct inode *inode, struct file *file);
static ssize_t hotkey_execute_aml_method(struct file *file,
const char __user * buffer,
size_t count, loff_t * data);
static int hotkey_config_seq_show(struct seq_file *seq, void *offset);
static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset);
static int hotkey_polling_open_fs(struct inode *inode, struct file *file);
static union acpi_hotkey *get_hotkey_by_event(struct
acpi_hotkey_list
*hotkey_list, int event);
/* event based config */
static struct file_operations hotkey_config_fops = {
......@@ -188,9 +194,9 @@ static struct file_operations hotkey_config_fops = {
/* polling based config */
static struct file_operations hotkey_poll_config_fops = {
.open = hotkey_open_config,
.open = hotkey_poll_open_config,
.read = seq_read,
.write = hotkey_write_poll_config,
.write = hotkey_write_config,
.llseek = seq_lseek,
.release = single_release,
};
......@@ -227,7 +233,7 @@ static int hotkey_info_seq_show(struct seq_file *seq, void *offset)
{
ACPI_FUNCTION_TRACE("hotkey_info_seq_show");
seq_printf(seq, "Hotkey generic driver ver: %s", HOTKEY_ACPI_VERSION);
seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION);
return_VALUE(0);
}
......@@ -239,27 +245,35 @@ static int hotkey_info_open_fs(struct inode *inode, struct file *file)
static char *format_result(union acpi_object *object)
{
char *buf = (char *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
memset(buf, 0, sizeof(union acpi_object));
char *buf = NULL;
buf = (char *)kmalloc(RESULT_STR_LEN, GFP_KERNEL);
if (buf)
memset(buf, 0, RESULT_STR_LEN);
else
goto do_fail;
/* Now, just support integer type */
if (object->type == ACPI_TYPE_INTEGER)
sprintf(buf, "%d", (u32) object->integer.value);
return buf;
sprintf(buf, "%d\n", (u32) object->integer.value);
do_fail:
return (buf);
}
static int hotkey_polling_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_polling_hotkey *poll_hotkey =
(struct acpi_polling_hotkey *)seq->private;
char *buf;
ACPI_FUNCTION_TRACE("hotkey_polling_seq_show");
if (poll_hotkey->poll_result)
seq_printf(seq, "%s", format_result(poll_hotkey->poll_result));
if (poll_hotkey->poll_result){
buf = format_result(poll_hotkey->poll_result);
if(buf)
seq_printf(seq, "%s", buf);
kfree(buf);
}
return_VALUE(0);
}
......@@ -276,19 +290,19 @@ static int hotkey_action_open_fs(struct inode *inode, struct file *file)
/* Mapping external hotkey number to standardized hotkey event num */
static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list)
{
struct list_head *entries, *next;
int val = 0;
struct list_head *entries;
int val = -1;
ACPI_FUNCTION_TRACE("hotkey_get_internal_event");
list_for_each_safe(entries, next, list->entries) {
list_for_each(entries, list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
&& key->event_hotkey.external_hotkey_num == event)
&& key->event_hotkey.external_hotkey_num == event){
val = key->link.hotkey_standard_num;
else
val = -1;
break;
}
}
return_VALUE(val);
......@@ -306,7 +320,7 @@ acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data)
return_VOID;
internal_event = hotkey_get_internal_event(event, &global_hotkey_list);
acpi_bus_generate_event(device, event, 0);
acpi_bus_generate_event(device, internal_event, 0);
return_VOID;
}
......@@ -329,13 +343,17 @@ static int auto_hotkey_remove(struct acpi_device *device, int type)
static int create_polling_proc(union acpi_hotkey *device)
{
struct proc_dir_entry *proc;
char proc_name[80];
mode_t mode;
ACPI_FUNCTION_TRACE("create_polling_proc");
mode = S_IFREG | S_IRUGO | S_IWUGO;
proc = create_proc_entry(device->poll_hotkey.action_method,
mode, hotkey_proc_dir);
sprintf(proc_name, "%d", device->link.hotkey_standard_num);
/*
strcat(proc_name, device->poll_hotkey.poll_method);
*/
proc = create_proc_entry(proc_name, mode, hotkey_proc_dir);
if (!proc) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
......@@ -353,23 +371,6 @@ static int create_polling_proc(union acpi_hotkey *device)
return_VALUE(0);
}
static int is_valid_acpi_path(const char *pathname)
{
acpi_handle handle;
acpi_status status;
ACPI_FUNCTION_TRACE("is_valid_acpi_path");
status = acpi_get_handle(NULL, (char *)pathname, &handle);
return_VALUE(!ACPI_FAILURE(status));
}
static int is_valid_hotkey(union acpi_hotkey *device)
{
ACPI_FUNCTION_TRACE("is_valid_hotkey");
/* Implement valid check */
return_VALUE(1);
}
static int hotkey_add(union acpi_hotkey *device)
{
int status = 0;
......@@ -378,15 +379,11 @@ static int hotkey_add(union acpi_hotkey *device)
ACPI_FUNCTION_TRACE("hotkey_add");
if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) {
status =
acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
if (status)
return_VALUE(status);
acpi_bus_get_device(device->event_hotkey.bus_handle, &dev);
status = acpi_install_notify_handler(dev->handle,
ACPI_SYSTEM_NOTIFY,
ACPI_DEVICE_NOTIFY,
acpi_hotkey_notify_handler,
device);
dev);
} else /* Add polling hotkey */
create_polling_proc(device);
......@@ -409,84 +406,143 @@ static int hotkey_remove(union acpi_hotkey *device)
if (key->link.hotkey_standard_num ==
device->link.hotkey_standard_num) {
list_del(&key->link.entries);
remove_proc_entry(key->poll_hotkey.action_method,
hotkey_proc_dir);
free_hotkey_device(key);
global_hotkey_list.count--;
break;
}
}
kfree(device);
return_VALUE(0);
}
static void hotkey_update(union acpi_hotkey *key)
static int hotkey_update(union acpi_hotkey *key)
{
struct list_head *entries, *next;
struct list_head *entries;
ACPI_FUNCTION_TRACE("hotkey_update");
list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key =
list_for_each(entries, global_hotkey_list.entries) {
union acpi_hotkey *tmp=
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_standard_num ==
if (tmp->link.hotkey_standard_num ==
key->link.hotkey_standard_num) {
key->event_hotkey.bus_handle =
key->event_hotkey.bus_handle;
key->event_hotkey.external_hotkey_num =
key->event_hotkey.external_hotkey_num;
key->event_hotkey.action_handle =
key->event_hotkey.action_handle;
key->event_hotkey.action_method =
key->event_hotkey.action_method;
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
free_hotkey_buffer(tmp);
tmp->event_hotkey.bus_handle =
key->event_hotkey.bus_handle;
tmp->event_hotkey.external_hotkey_num =
key->event_hotkey.external_hotkey_num;
tmp->event_hotkey.action_handle =
key->event_hotkey.action_handle;
tmp->event_hotkey.action_method =
key->event_hotkey.action_method;
kfree(key);
} else {
/*
char proc_name[80];
sprintf(proc_name, "%d", tmp->link.hotkey_standard_num);
strcat(proc_name, tmp->poll_hotkey.poll_method);
remove_proc_entry(proc_name,hotkey_proc_dir);
*/
free_poll_hotkey_buffer(tmp);
tmp->poll_hotkey.poll_handle =
key->poll_hotkey.poll_handle;
tmp->poll_hotkey.poll_method =
key->poll_hotkey.poll_method;
tmp->poll_hotkey.action_handle =
key->poll_hotkey.action_handle;
tmp->poll_hotkey.action_method =
key->poll_hotkey.action_method;
tmp->poll_hotkey.poll_result =
key->poll_hotkey.poll_result;
/*
create_polling_proc(tmp);
*/
kfree(key);
}
return_VALUE(0);
break;
}
}
return_VOID;
return_VALUE(-ENODEV);
}
static void free_hotkey_device(union acpi_hotkey *key)
{
struct acpi_device *dev;
int status;
ACPI_FUNCTION_TRACE("free_hotkey_device");
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
status =
acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
acpi_bus_get_device(key->event_hotkey.bus_handle, &dev);
if (dev->handle)
acpi_remove_notify_handler(dev->handle,
ACPI_SYSTEM_NOTIFY,
ACPI_DEVICE_NOTIFY,
acpi_hotkey_notify_handler);
} else
remove_proc_entry(key->poll_hotkey.action_method,
hotkey_proc_dir);
free_hotkey_buffer(key);
} else {
char proc_name[80];
sprintf(proc_name, "%d", key->link.hotkey_standard_num);
/*
strcat(proc_name, key->poll_hotkey.poll_method);
*/
remove_proc_entry(proc_name,hotkey_proc_dir);
free_poll_hotkey_buffer(key);
}
kfree(key);
return_VOID;
}
static void
free_hotkey_buffer(union acpi_hotkey *key)
{
kfree(key->event_hotkey.action_method);
}
static void
free_poll_hotkey_buffer(union acpi_hotkey *key)
{
kfree(key->poll_hotkey.action_method);
kfree(key->poll_hotkey.poll_method);
kfree(key->poll_hotkey.poll_result);
}
static int
init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str,
char *method, int std_num, int external_num)
{
acpi_handle tmp_handle;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE("init_hotkey_device");
if(std_num < 0 || IS_POLL(std_num) || !key )
goto do_fail;
if(!bus_str || !action_str || !method)
goto do_fail;
key->link.hotkey_type = ACPI_HOTKEY_EVENT;
key->link.hotkey_standard_num = std_num;
key->event_hotkey.flag = 0;
if (is_valid_acpi_path(bus_str))
acpi_get_handle((acpi_handle) 0,
bus_str, &(key->event_hotkey.bus_handle));
else
return_VALUE(-ENODEV);
key->event_hotkey.external_hotkey_num = external_num;
if (is_valid_acpi_path(action_str))
acpi_get_handle((acpi_handle) 0,
action_str, &(key->event_hotkey.action_handle));
key->event_hotkey.action_method = kmalloc(sizeof(method), GFP_KERNEL);
strcpy(key->event_hotkey.action_method, method);
key->event_hotkey.action_method = method;
return_VALUE(!is_valid_hotkey(key));
status = acpi_get_handle(NULL,bus_str, &(key->event_hotkey.bus_handle));
if(ACPI_FAILURE(status))
goto do_fail;
key->event_hotkey.external_hotkey_num = external_num;
status = acpi_get_handle(NULL,action_str, &(key->event_hotkey.action_handle));
if(ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(key->event_hotkey.action_handle,
method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
return_VALUE(AE_OK);
do_fail:
return_VALUE(-ENODEV);
}
static int
......@@ -495,34 +551,46 @@ init_poll_hotkey_device(union acpi_hotkey *key,
char *poll_method,
char *action_str, char *action_method, int std_num)
{
acpi_status status = AE_OK;
acpi_handle tmp_handle;
ACPI_FUNCTION_TRACE("init_poll_hotkey_device");
if(std_num < 0 || IS_EVENT(std_num) || !key)
goto do_fail;
if(!poll_str || !poll_method || !action_str || !action_method)
goto do_fail;
key->link.hotkey_type = ACPI_HOTKEY_POLLING;
key->link.hotkey_standard_num = std_num;
key->poll_hotkey.flag = 0;
if (is_valid_acpi_path(poll_str))
acpi_get_handle((acpi_handle) 0,
poll_str, &(key->poll_hotkey.poll_handle));
else
return_VALUE(-ENODEV);
key->poll_hotkey.poll_method = poll_method;
if (is_valid_acpi_path(action_str))
acpi_get_handle((acpi_handle) 0,
action_str, &(key->poll_hotkey.action_handle));
key->poll_hotkey.action_method =
kmalloc(sizeof(action_method), GFP_KERNEL);
strcpy(key->poll_hotkey.action_method, action_method);
key->poll_hotkey.action_method = action_method;
status = acpi_get_handle(NULL,poll_str, &(key->poll_hotkey.poll_handle));
if(ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(key->poll_hotkey.poll_handle,
poll_method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(NULL,action_str, &(key->poll_hotkey.action_handle));
if (ACPI_FAILURE(status))
goto do_fail;
status = acpi_get_handle(key->poll_hotkey.action_handle,
action_method, &tmp_handle);
if (ACPI_FAILURE(status))
goto do_fail;
key->poll_hotkey.poll_result =
(union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL);
return_VALUE(is_valid_hotkey(key));
if(!key->poll_hotkey.poll_result)
goto do_fail;
return_VALUE(AE_OK);
do_fail:
return_VALUE(-ENODEV);
}
static int check_hotkey_valid(union acpi_hotkey *key,
struct acpi_hotkey_list *list)
{
ACPI_FUNCTION_TRACE("check_hotkey_valid");
return_VALUE(0);
}
static int hotkey_open_config(struct inode *inode, struct file *file)
{
......@@ -531,10 +599,17 @@ static int hotkey_open_config(struct inode *inode, struct file *file)
(file, hotkey_config_seq_show, PDE(inode)->data));
}
static int hotkey_poll_open_config(struct inode *inode, struct file *file)
{
ACPI_FUNCTION_TRACE("hotkey_poll_open_config");
return_VALUE(single_open
(file, hotkey_poll_config_seq_show, PDE(inode)->data));
}
static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
struct list_head *entries, *next;
struct list_head *entries;
char bus_name[ACPI_PATHNAME_MAX] = { 0 };
char action_name[ACPI_PATHNAME_MAX] = { 0 };
struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
......@@ -542,10 +617,7 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
if (!hotkey_list)
goto end;
list_for_each_safe(entries, next, hotkey_list->entries) {
list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) {
......@@ -553,18 +625,37 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
ACPI_NAME_TYPE_MAX, &bus);
acpi_get_name(key->event_hotkey.action_handle,
ACPI_NAME_TYPE_MAX, &act);
seq_printf(seq, "%s:%s:%s:%d:%d", bus_name,
seq_printf(seq, "%s:%s:%s:%d:%d\n", bus_name,
action_name,
key->event_hotkey.action_method,
key->link.hotkey_standard_num,
key->event_hotkey.external_hotkey_num);
} /* ACPI_HOTKEY_POLLING */
else {
}
}
seq_puts(seq, "\n");
return_VALUE(0);
}
static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
struct list_head *entries;
char bus_name[ACPI_PATHNAME_MAX] = { 0 };
char action_name[ACPI_PATHNAME_MAX] = { 0 };
struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name };
struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name };
ACPI_FUNCTION_TRACE(("hotkey_config_seq_show"));
list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_POLLING) {
acpi_get_name(key->poll_hotkey.poll_handle,
ACPI_NAME_TYPE_MAX, &bus);
acpi_get_name(key->poll_hotkey.action_handle,
ACPI_NAME_TYPE_MAX, &act);
seq_printf(seq, "%s:%s:%s:%s:%d", bus_name,
seq_printf(seq, "%s:%s:%s:%s:%d\n", bus_name,
key->poll_hotkey.poll_method,
action_name,
key->poll_hotkey.action_method,
......@@ -572,49 +663,83 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset)
}
}
seq_puts(seq, "\n");
end:
return_VALUE(0);
}
static int
get_parms(char *config_record,
int *cmd,
char *bus_handle,
char *bus_method,
char *action_handle,
char *method, int *internal_event_num, int *external_event_num)
char **bus_handle,
char **bus_method,
char **action_handle,
char **method, int *internal_event_num, int *external_event_num)
{
char *tmp, *tmp1;
char *tmp, *tmp1, count;
ACPI_FUNCTION_TRACE(("get_parms"));
sscanf(config_record, "%d", cmd);
if(*cmd == 1){
if(sscanf(config_record, "%d:%d", cmd, internal_event_num)!=2)
goto do_fail;
else
return (6);
}
tmp = strchr(config_record, ':');
if (!tmp)
goto do_fail;
tmp++;
tmp1 = strchr(tmp, ':');
strncpy(bus_handle, tmp, tmp1 - tmp);
bus_handle[tmp1 - tmp] = 0;
if (!tmp1)
goto do_fail;
count = tmp1 - tmp;
*bus_handle = (char *) kmalloc(count+1, GFP_KERNEL);
if(!*bus_handle)
goto do_fail;
strncpy(*bus_handle, tmp, count);
*(*bus_handle + count) = 0;
tmp = tmp1;
tmp++;
tmp1 = strchr(tmp, ':');
strncpy(bus_method, tmp, tmp1 - tmp);
bus_method[tmp1 - tmp] = 0;
if (!tmp1)
goto do_fail;
count = tmp1 - tmp;
*bus_method = (char *) kmalloc(count+1, GFP_KERNEL);
if(!*bus_method)
goto do_fail;
strncpy(*bus_method, tmp, count);
*(*bus_method + count) = 0;
tmp = tmp1;
tmp++;
tmp1 = strchr(tmp, ':');
strncpy(action_handle, tmp, tmp1 - tmp);
action_handle[tmp1 - tmp] = 0;
if (!tmp1)
goto do_fail;
count = tmp1 - tmp;
*action_handle = (char *) kmalloc(count+1, GFP_KERNEL);
strncpy(*action_handle, tmp, count);
*(*action_handle + count) = 0;
tmp = tmp1;
tmp++;
tmp1 = strchr(tmp, ':');
strncpy(method, tmp, tmp1 - tmp);
method[tmp1 - tmp] = 0;
if (!tmp1)
goto do_fail;
count = tmp1 - tmp;
*method = (char *) kmalloc(count+1, GFP_KERNEL);
if(!*method)
goto do_fail;
strncpy(*method, tmp, count);
*(*method + count) = 0;
if(sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num)<=0)
goto do_fail;
sscanf(tmp1 + 1, "%d:%d", internal_event_num, external_event_num);
return_VALUE(6);
do_fail:
return_VALUE(-1);
}
/* count is length for one input record */
......@@ -622,135 +747,117 @@ static ssize_t hotkey_write_config(struct file *file,
const char __user * buffer,
size_t count, loff_t * data)
{
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
char config_record[MAX_CONFIG_RECORD_LEN];
char bus_handle[MAX_NAME_PATH_LEN];
char bus_method[MAX_NAME_PATH_LEN];
char action_handle[MAX_NAME_PATH_LEN];
char method[20];
char *config_record = NULL;
char *bus_handle = NULL;
char *bus_method = NULL;
char *action_handle = NULL;
char *method = NULL;
int cmd, internal_event_num, external_event_num;
int ret = 0;
union acpi_hotkey *key = NULL;
ACPI_FUNCTION_TRACE(("hotkey_write_config"));
if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n"));
return_VALUE(-EINVAL);
}
config_record = (char *) kmalloc(count+1, GFP_KERNEL);
if(!config_record)
return_VALUE(-ENOMEM);
if (copy_from_user(config_record, buffer, count)) {
kfree(config_record);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
return_VALUE(-EINVAL);
}
config_record[count] = '\0';
config_record[count] = 0;
ret = get_parms(config_record,
&cmd,
bus_handle,
bus_method,
action_handle,
method, &internal_event_num, &external_event_num);
&bus_handle,
&bus_method,
&action_handle,
&method, &internal_event_num, &external_event_num);
kfree(config_record);
if(IS_OTHERS(internal_event_num))
goto do_fail;
if (ret != 6) {
do_fail:
kfree(bus_handle);
kfree(bus_method);
kfree(action_handle);
kfree(method);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Invalid data format ret=%d\n", ret));
return_VALUE(-EINVAL);
}
key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
ret = init_hotkey_device(key, bus_handle, action_handle, method,
if(!key)
goto do_fail;
memset(key, 0, sizeof(union acpi_hotkey));
if(cmd == 1) {
union acpi_hotkey *tmp = NULL;
tmp = get_hotkey_by_event(&global_hotkey_list,
internal_event_num);
if(!tmp)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid key"));
else
memcpy(key, tmp, sizeof(union acpi_hotkey));
goto cont_cmd;
}
if (IS_EVENT(internal_event_num)) {
kfree(bus_method);
ret = init_hotkey_device(key, bus_handle, action_handle, method,
internal_event_num, external_event_num);
if (ret || check_hotkey_valid(key, hotkey_list)) {
} else
ret = init_poll_hotkey_device(key, bus_handle, bus_method,
action_handle, method,
internal_event_num);
if (ret) {
kfree(bus_handle);
kfree(action_handle);
if(IS_EVENT(internal_event_num))
free_hotkey_buffer(key);
else
free_poll_hotkey_buffer(key);
kfree(key);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
return_VALUE(-EINVAL);
}
switch (cmd) {
case 0:
hotkey_add(key);
break;
case 1:
hotkey_remove(key);
free_hotkey_device(key);
break;
case 2:
hotkey_update(key);
break;
default:
break;
}
return_VALUE(count);
}
/* count is length for one input record */
static ssize_t hotkey_write_poll_config(struct file *file,
const char __user * buffer,
size_t count, loff_t * data)
{
struct seq_file *m = (struct seq_file *)file->private_data;
struct acpi_hotkey_list *hotkey_list =
(struct acpi_hotkey_list *)m->private;
char config_record[MAX_CONFIG_RECORD_LEN];
char polling_handle[MAX_NAME_PATH_LEN];
char action_handle[MAX_NAME_PATH_LEN];
char poll_method[20], action_method[20];
int ret, internal_event_num, cmd, external_event_num;
union acpi_hotkey *key = NULL;
ACPI_FUNCTION_TRACE("hotkey_write_poll_config");
if (!hotkey_list || count > MAX_CONFIG_RECORD_LEN) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid arguments\n"));
return_VALUE(-EINVAL);
}
if (copy_from_user(config_record, buffer, count)) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n"));
return_VALUE(-EINVAL);
}
config_record[count] = '\0';
ret = get_parms(config_record,
&cmd,
polling_handle,
poll_method,
action_handle,
action_method,
&internal_event_num, &external_event_num);
if (ret != 6) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n"));
return_VALUE(-EINVAL);
}
cont_cmd:
kfree(bus_handle);
kfree(action_handle);
key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL);
ret = init_poll_hotkey_device(key, polling_handle, poll_method,
action_handle, action_method,
internal_event_num);
if (ret || check_hotkey_valid(key, hotkey_list)) {
kfree(key);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n"));
return_VALUE(-EINVAL);
}
switch (cmd) {
case 0:
hotkey_add(key);
if(get_hotkey_by_event(&global_hotkey_list,key->link.hotkey_standard_num))
goto fail_out;
else
hotkey_add(key);
break;
case 1:
hotkey_remove(key);
break;
case 2:
hotkey_update(key);
if(hotkey_update(key))
goto fail_out;
break;
default:
goto fail_out;
break;
}
return_VALUE(count);
fail_out:
if(IS_EVENT(internal_event_num))
free_hotkey_buffer(key);
else
free_poll_hotkey_buffer(key);
kfree(key);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "invalid key\n"));
return_VALUE(-EINVAL);
}
/*
/*
* This function evaluates an ACPI method, given an int as parameter, the
* method is searched within the scope of the handle, can be NULL. The output
* of the method is written is output, which can also be NULL
......@@ -775,7 +882,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
return_VALUE(status == AE_OK);
}
static int read_acpi_int(acpi_handle handle, const char *method, int *val)
static int read_acpi_int(acpi_handle handle, const char *method, union acpi_object *val)
{
struct acpi_buffer output;
union acpi_object out_obj;
......@@ -786,62 +893,32 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val)
output.pointer = &out_obj;
status = acpi_evaluate_object(handle, (char *)method, NULL, &output);
*val = out_obj.integer.value;
if(val){
val->integer.value = out_obj.integer.value;
val->type = out_obj.type;
} else
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "null val pointer"));
return_VALUE((status == AE_OK)
&& (out_obj.type == ACPI_TYPE_INTEGER));
}
static acpi_handle
get_handle_from_hotkeylist(struct acpi_hotkey_list *hotkey_list, int event_num)
static union acpi_hotkey *get_hotkey_by_event(struct
acpi_hotkey_list
*hotkey_list, int event)
{
struct list_head *entries, *next;
list_for_each_safe(entries, next, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT
&& key->link.hotkey_standard_num == event_num) {
return (key->event_hotkey.action_handle);
}
}
return (NULL);
}
static
char *get_method_from_hotkeylist(struct acpi_hotkey_list *hotkey_list,
int event_num)
{
struct list_head *entries, *next;
list_for_each_safe(entries, next, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_EVENT &&
key->link.hotkey_standard_num == event_num)
return (key->event_hotkey.action_method);
}
return (NULL);
}
static struct acpi_polling_hotkey *get_hotkey_by_event(struct
acpi_hotkey_list
*hotkey_list, int event)
{
struct list_head *entries, *next;
struct list_head *entries;
list_for_each_safe(entries, next, hotkey_list->entries) {
list_for_each(entries, hotkey_list->entries) {
union acpi_hotkey *key =
container_of(entries, union acpi_hotkey, entries);
if (key->link.hotkey_type == ACPI_HOTKEY_POLLING
&& key->link.hotkey_standard_num == event) {
return (&key->poll_hotkey);
if (key->link.hotkey_standard_num == event) {
return(key);
}
}
return (NULL);
return(NULL);
}
/*
/*
* user call AML method interface:
* Call convention:
* echo "event_num: arg type : value"
......@@ -854,48 +931,56 @@ static ssize_t hotkey_execute_aml_method(struct file *file,
size_t count, loff_t * data)
{
struct acpi_hotkey_list *hotkey_list = &global_hotkey_list;
char arg[MAX_CALL_PARM];
int event, type, value;
char *method;
acpi_handle handle;
char *arg;
int event,method_type,type, value;
union acpi_hotkey *key;
ACPI_FUNCTION_TRACE("hotkey_execte_aml_method");
if (!hotkey_list || count > MAX_CALL_PARM) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 1"));
return_VALUE(-EINVAL);
}
arg = (char *) kmalloc(count+1, GFP_KERNEL);
if(!arg)
return_VALUE(-ENOMEM);
arg[count]=0;
if (copy_from_user(arg, buffer, count)) {
kfree(arg);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2"));
return_VALUE(-EINVAL);
}
arg[count] = '\0';
if (sscanf(arg, "%d:%d:%d", &event, &type, &value) != 3) {
if (sscanf(arg, "%d:%d:%d:%d", &event, &method_type, &type, &value) != 4) {
kfree(arg);
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3"));
return_VALUE(-EINVAL);
}
kfree(arg);
if (type == ACPI_TYPE_INTEGER) {
handle = get_handle_from_hotkeylist(hotkey_list, event);
method = (char *)get_method_from_hotkeylist(hotkey_list, event);
key = get_hotkey_by_event(hotkey_list, event);
if(!key)
goto do_fail;
if (IS_EVENT(event))
write_acpi_int(handle, method, value, NULL);
write_acpi_int(key->event_hotkey.action_handle,
key->event_hotkey.action_method, value, NULL);
else if (IS_POLL(event)) {
struct acpi_polling_hotkey *key;
key = (struct acpi_polling_hotkey *)
get_hotkey_by_event(hotkey_list, event);
read_acpi_int(handle, method, key->poll_result);
if ( method_type == POLL_METHOD )
read_acpi_int(key->poll_hotkey.poll_handle,
key->poll_hotkey.poll_method,
key->poll_hotkey.poll_result);
else if ( method_type == ACTION_METHOD )
write_acpi_int(key->poll_hotkey.action_handle,
key->poll_hotkey.action_method, value, NULL);
else
goto do_fail;
}
} else {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported"));
return_VALUE(-EINVAL);
}
return_VALUE(count);
do_fail:
return_VALUE(-EINVAL);
}
static int __init hotkey_init(void)
......@@ -928,7 +1013,7 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n",
HOTKEY_EV_CONFIG));
return (-ENODEV);
goto do_fail1;
} else {
hotkey_config->proc_fops = &hotkey_config_fops;
hotkey_config->data = &global_hotkey_list;
......@@ -943,7 +1028,8 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n",
HOTKEY_EV_CONFIG));
return (-ENODEV);
goto do_fail2;
} else {
hotkey_poll_config->proc_fops = &hotkey_poll_config_fops;
hotkey_poll_config->data = &global_hotkey_list;
......@@ -957,7 +1043,7 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n",
HOTKEY_ACTION));
return (-ENODEV);
goto do_fail3;
} else {
hotkey_action->proc_fops = &hotkey_action_fops;
hotkey_action->owner = THIS_MODULE;
......@@ -970,7 +1056,7 @@ static int __init hotkey_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"Hotkey: Unable to create %s entry\n",
HOTKEY_INFO));
return (-ENODEV);
goto do_fail4;
} else {
hotkey_info->proc_fops = &hotkey_info_fops;
hotkey_info->owner = THIS_MODULE;
......@@ -979,23 +1065,33 @@ static int __init hotkey_init(void)
}
result = acpi_bus_register_driver(&hotkey_driver);
if (result < 0) {
remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
return (-ENODEV);
}
if (result < 0)
goto do_fail5;
global_hotkey_list.count = 0;
global_hotkey_list.entries = &hotkey_entries;
INIT_LIST_HEAD(&hotkey_entries);
return (0);
do_fail5:
remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir);
do_fail4:
remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir);
do_fail3:
remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir);
do_fail2:
remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir);
do_fail1:
remove_proc_entry(HOTKEY_PROC, acpi_root_dir);
return (-ENODEV);
}
static void __exit hotkey_exit(void)
{
struct list_head *entries, *next;
ACPI_FUNCTION_TRACE("hotkey_remove");
ACPI_FUNCTION_TRACE("hotkey_exit");
list_for_each_safe(entries, next, global_hotkey_list.entries) {
union acpi_hotkey *key =
......
drivers/acpi/pci_link.c
View file @ 8066eff0
......@@ -692,7 +692,18 @@ acpi_pci_link_free_irq(acpi_handle handle)
return_VALUE(-1);
}
#ifdef FUTURE_USE
/*
* The Link reference count allows us to _DISable an unused link
* and suspend time, and set it again on resume.
* However, 2.6.12 still has irq_router.resume
* which blindly restores the link state.
* So we disable the reference count method
* to prevent duplicate acpi_pci_link_set()
* which would harm some systems
*/
link->refcnt --;
#endif
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Link %s is dereferenced\n", acpi_device_bid(link->device)));
......
drivers/acpi/processor_idle.c
View file @ 8066eff0
......@@ -86,12 +86,11 @@ static int set_max_cstate(struct dmi_system_id *id)
if (max_cstate > ACPI_PROCESSOR_MAX_POWER)
return 0;
printk(KERN_NOTICE PREFIX "%s detected - %s disabled."
printk(KERN_NOTICE PREFIX "%s detected - limiting to C%ld max_cstate."
" Override with \"processor.max_cstate=%d\"\n", id->ident,
((int)id->driver_data == 1)? "C2,C3":"C3",
ACPI_PROCESSOR_MAX_POWER + 1);
(long)id->driver_data, ACPI_PROCESSOR_MAX_POWER + 1);
max_cstate = (int)id->driver_data;
max_cstate = (long)id->driver_data;
return 0;
}
......
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