AcoSail/kernel_optimize_test
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Pull thermal into release branch

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This commit is contained in:
Len Brown 2007-05-10 02:49:01 -04:00
commit f697b67762
1 changed files with 2 additions and 102 deletions
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104
drivers/acpi/thermal.c
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@ -59,8 +59,6 @@
#define ACPI_THERMAL_NOTIFY_CRITICAL 0xF0
#define ACPI_THERMAL_NOTIFY_HOT 0xF1
#define ACPI_THERMAL_MODE_ACTIVE 0x00
#define ACPI_THERMAL_MODE_PASSIVE 0x01
#define ACPI_THERMAL_MODE_CRITICAL 0xff
#define ACPI_THERMAL_PATH_POWEROFF "/sbin/poweroff"
#define ACPI_THERMAL_MAX_ACTIVE 10
@ -86,9 +84,6 @@ static int acpi_thermal_resume(struct acpi_device *device);
static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
static ssize_t acpi_thermal_write_trip_points(struct file *,
const char __user *, size_t,
loff_t *);
static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file);
static ssize_t acpi_thermal_write_cooling_mode(struct file *,
const char __user *, size_t,
@ -167,7 +162,6 @@ struct acpi_thermal {
unsigned long temperature;
unsigned long last_temperature;
unsigned long polling_frequency;
u8 cooling_mode;
volatile u8 zombie;
struct acpi_thermal_flags flags;
struct acpi_thermal_state state;
@ -193,7 +187,6 @@ static const struct file_operations acpi_thermal_temp_fops = {
static const struct file_operations acpi_thermal_trip_fops = {
.open = acpi_thermal_trip_open_fs,
.read = seq_read,
.write = acpi_thermal_write_trip_points,
.llseek = seq_lseek,
.release = single_release,
};
@ -297,11 +290,6 @@ static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode)
if (ACPI_FAILURE(status))
return -ENODEV;
tz->cooling_mode = mode;
ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n",
mode ? "passive" : "active"));
return 0;
}
@ -889,67 +877,6 @@ static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file)
return single_open(file, acpi_thermal_trip_seq_show, PDE(inode)->data);
}
static ssize_t
acpi_thermal_write_trip_points(struct file *file,
const char __user * buffer,
size_t count, loff_t * ppos)
{
struct seq_file *m = file->private_data;
struct acpi_thermal *tz = m->private;
char *limit_string;
int num, critical, hot, passive;
int *active;
int i = 0;
limit_string = kzalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL);
if (!limit_string)
return -ENOMEM;
active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL);
if (!active) {
kfree(limit_string);
return -ENOMEM;
}
if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) {
count = -EINVAL;
goto end;
}
if (copy_from_user(limit_string, buffer, count)) {
count = -EFAULT;
goto end;
}
limit_string[count] = '\0';
num = sscanf(limit_string, "%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d:%d",
&critical, &hot, &passive,
&active[0], &active[1], &active[2], &active[3], &active[4],
&active[5], &active[6], &active[7], &active[8],
&active[9]);
if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) {
count = -EINVAL;
goto end;
}
tz->trips.critical.temperature = CELSIUS_TO_KELVIN(critical);
tz->trips.hot.temperature = CELSIUS_TO_KELVIN(hot);
tz->trips.passive.temperature = CELSIUS_TO_KELVIN(passive);
for (i = 0; i < num - 3; i++) {
if (!(tz->trips.active[i].flags.valid))
break;
tz->trips.active[i].temperature = CELSIUS_TO_KELVIN(active[i]);
}
end:
kfree(active);
kfree(limit_string);
return count;
}
static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_thermal *tz = seq->private;
@ -958,15 +885,10 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset)
if (!tz)
goto end;
if (!tz->flags.cooling_mode) {
if (!tz->flags.cooling_mode)
seq_puts(seq, "<setting not supported>\n");
}
if (tz->cooling_mode == ACPI_THERMAL_MODE_CRITICAL)
seq_printf(seq, "cooling mode: critical\n");
else
seq_printf(seq, "cooling mode: %s\n",
tz->cooling_mode ? "passive" : "active");
seq_puts(seq, "0 - Active; 1 - Passive\n");
end:
return 0;
@ -1223,28 +1145,6 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz)
result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE);
if (!result)
tz->flags.cooling_mode = 1;
else {
/* Oh,we have not _SCP method.
Generally show cooling_mode by _ACx, _PSV,spec 12.2 */
tz->flags.cooling_mode = 0;
if (tz->trips.active[0].flags.valid
&& tz->trips.passive.flags.valid) {
if (tz->trips.passive.temperature >
tz->trips.active[0].temperature)
tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
else
tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
} else if (!tz->trips.active[0].flags.valid
&& tz->trips.passive.flags.valid) {
tz->cooling_mode = ACPI_THERMAL_MODE_PASSIVE;
} else if (tz->trips.active[0].flags.valid
&& !tz->trips.passive.flags.valid) {
tz->cooling_mode = ACPI_THERMAL_MODE_ACTIVE;
} else {
/* _ACx and _PSV are optional, but _CRT is required */
tz->cooling_mode = ACPI_THERMAL_MODE_CRITICAL;
}
}
/* Get default polling frequency [_TZP] (optional) */
if (tzp)