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WSL2-Linux-Kernel
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[PATCH] hwmon: Semaphore to mutex conversions 

convert drivers/hwmon/*.c semaphore use to mutexes.

the conversion was generated via scripts, and the result was validated
automatically via a script as well.

all affected hwmon drivers were build-tested.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ingo Molnar 2006-01-18 23:19:26 +01:00 коммит произвёл Greg Kroah-Hartman
Родитель 3fb9a65529
Коммит 9a61bf6300
36 изменённых файлов: 632 добавлений и 596 удалений
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13
drivers/hwmon/adm1021.c
Просмотреть файл

@ -26,6 +26,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
@ -92,7 +93,7 @@ struct adm1021_data {
struct class_device *class_dev;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -162,10 +163,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
struct adm1021_data *data = i2c_get_clientdata(client); \
int temp = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = TEMP_TO_REG(temp); \
adm1021_write_value(client, reg, data->value); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
set(temp_max, ADM1021_REG_TOS_W);
@ -275,7 +276,7 @@ static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -351,7 +352,7 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct adm1021_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -375,7 +376,7 @@ static struct adm1021_data *adm1021_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

25
drivers/hwmon/adm1025.c
Просмотреть файл

@ -53,6 +53,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -133,7 +134,7 @@ static struct i2c_driver adm1025_driver = {
struct adm1025_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -207,11 +208,11 @@ static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute
struct adm1025_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->in_min[offset] = IN_TO_REG(val, in_scale[offset]); \
i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MIN(offset), \
data->in_min[offset]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
} \
static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
@ -221,11 +222,11 @@ static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute
struct adm1025_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->in_max[offset] = IN_TO_REG(val, in_scale[offset]); \
i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MAX(offset), \
data->in_max[offset]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
} \
static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
@ -247,11 +248,11 @@ static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribut
struct adm1025_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->temp_min[offset-1] = TEMP_TO_REG(val); \
i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_LOW(offset-1), \
data->temp_min[offset-1]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
} \
static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
@ -261,11 +262,11 @@ static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribut
struct adm1025_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->temp_max[offset-1] = TEMP_TO_REG(val); \
i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(offset-1), \
data->temp_max[offset-1]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
} \
static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
@ -404,7 +405,7 @@ static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
/* We can fill in the remaining client fields */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -523,7 +524,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
int i;
@ -558,7 +559,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

87
drivers/hwmon/adm1026.c
Просмотреть файл

@ -32,6 +32,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
@ -260,10 +261,10 @@ struct pwm_data {
struct adm1026_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
int valid; /* !=0 if following fields are valid */
unsigned long last_reading; /* In jiffies */
unsigned long last_config; /* In jiffies */
@ -575,7 +576,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
int i;
long value, alarms, gpio;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (!data->valid
|| time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
/* Things that change quickly */
@ -710,7 +711,7 @@ static struct adm1026_data *adm1026_update_device(struct device *dev)
dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
data->vid = (data->gpio >> 11) & 0x1f;
data->valid = 1;
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}
@ -739,10 +740,10 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = INS_TO_REG(nr, val);
adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
@ -762,10 +763,10 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = INS_TO_REG(nr, val);
adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -813,10 +814,10 @@ static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, c
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf)
@ -831,10 +832,10 @@ static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, c
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -874,11 +875,11 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -939,7 +940,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
if (new_div == 0) {
return -EINVAL;
}
down(&data->update_lock);
mutex_lock(&data->update_lock);
orig_div = data->fan_div[nr];
data->fan_div[nr] = DIV_FROM_REG(new_div);
@ -958,7 +959,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
if (data->fan_div[nr] != orig_div) {
fixup_fan_min(dev,nr,orig_div);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1001,11 +1002,11 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
data->temp_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
@ -1025,11 +1026,11 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
data->temp_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1064,11 +1065,11 @@ static ssize_t set_temp_offset(struct device *dev,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_offset[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
data->temp_offset[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1115,11 +1116,11 @@ static ssize_t set_temp_auto_point1_temp(struct device *dev,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_tmin[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
data->temp_tmin[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1150,11 +1151,11 @@ static ssize_t set_temp_crit_enable(struct device *dev,
int val = simple_strtol(buf, NULL, 10);
if ((val == 1) || (val==0)) {
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
adm1026_write_value(client, ADM1026_REG_CONFIG1,
data->config1);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
return count;
}
@ -1184,11 +1185,11 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_crit[nr] = TEMP_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
data->temp_crit[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1212,10 +1213,10 @@ static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *a
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->analog_out = DAC_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1267,7 +1268,7 @@ static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
int val = simple_strtol(buf, NULL, 10);
unsigned long mask;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->alarm_mask = val & 0x7fffffff;
mask = data->alarm_mask
| (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
@ -1282,7 +1283,7 @@ static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr,
mask >>= 8;
adm1026_write_value(client, ADM1026_REG_MASK4,
mask & 0xff);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1303,7 +1304,7 @@ static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const
int val = simple_strtol(buf, NULL, 10);
long gpio;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->gpio = val & 0x1ffff;
gpio = data->gpio;
adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7,gpio & 0xff);
@ -1311,7 +1312,7 @@ static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const
adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15,gpio & 0xff);
gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
adm1026_write_value(client, ADM1026_REG_STATUS4,gpio & 0xff);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1331,7 +1332,7 @@ static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
int val = simple_strtol(buf, NULL, 10);
long mask;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->gpio_mask = val & 0x1ffff;
mask = data->gpio_mask;
adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7,mask & 0xff);
@ -1339,7 +1340,7 @@ static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr,
adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15,mask & 0xff);
mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
adm1026_write_value(client, ADM1026_REG_MASK1,mask & 0xff);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1359,10 +1360,10 @@ static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, co
if (data->pwm1.enable == 1) {
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm1.pwm = PWM_TO_REG(val);
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
return count;
}
@ -1378,14 +1379,14 @@ static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *att
struct adm1026_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm1.auto_pwm_min = SENSORS_LIMIT(val,0,255);
if (data->pwm1.enable == 2) { /* apply immediately */
data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
PWM_MIN_TO_REG(data->pwm1.auto_pwm_min));
adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
@ -1406,7 +1407,7 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
int old_enable;
if ((val >= 0) && (val < 3)) {
down(&data->update_lock);
mutex_lock(&data->update_lock);
old_enable = data->pwm1.enable;
data->pwm1.enable = val;
data->config1 = (data->config1 & ~CFG1_PWM_AFC)
@ -1424,7 +1425,7 @@ static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
adm1026_write_value(client, ADM1026_REG_PWM,
data->pwm1.pwm);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
return count;
}
@ -1541,7 +1542,7 @@ static int adm1026_detect(struct i2c_adapter *adapter, int address,
/* Fill in the remaining client fields */
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))

49
drivers/hwmon/adm1031.c
Просмотреть файл

@ -28,6 +28,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Following macros takes channel parameter starting from 0 to 2 */
#define ADM1031_REG_FAN_SPEED(nr) (0x08 + (nr))
@ -70,7 +71,7 @@ typedef u8 auto_chan_table_t[8][2];
struct adm1031_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
int chip_type;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -262,10 +263,10 @@ set_fan_auto_channel(struct device *dev, const char *buf, size_t count, int nr)
old_fan_mode = data->conf1;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if ((ret = get_fan_auto_nearest(data, nr, val, data->conf1, &reg))) {
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return ret;
}
if (((data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1)) & ADM1031_CONF1_AUTO_MODE) ^
@ -288,7 +289,7 @@ set_fan_auto_channel(struct device *dev, const char *buf, size_t count, int nr)
}
data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1);
adm1031_write_value(client, ADM1031_REG_CONF1, data->conf1);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -329,11 +330,11 @@ set_auto_temp_min(struct device *dev, const char *buf, size_t count, int nr)
struct adm1031_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]);
adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr),
data->auto_temp[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_auto_temp_max(struct device *dev, char *buf, int nr)
@ -349,11 +350,11 @@ set_auto_temp_max(struct device *dev, const char *buf, size_t count, int nr)
struct adm1031_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], data->pwm[nr]);
adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr),
data->temp_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -405,11 +406,11 @@ set_pwm(struct device *dev, const char *buf, size_t count, int nr)
int val = simple_strtol(buf, NULL, 10);
int reg;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) &&
(((val>>4) & 0xf) != 5)) {
/* In automatic mode, the only PWM accepted is 33% */
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
data->pwm[nr] = PWM_TO_REG(val);
@ -417,7 +418,7 @@ set_pwm(struct device *dev, const char *buf, size_t count, int nr)
adm1031_write_value(client, ADM1031_REG_PWM,
nr ? ((data->pwm[nr] << 4) & 0xf0) | (reg & 0xf)
: (data->pwm[nr] & 0xf) | (reg & 0xf0));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -511,7 +512,7 @@ set_fan_min(struct device *dev, const char *buf, size_t count, int nr)
struct adm1031_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (val) {
data->fan_min[nr] =
FAN_TO_REG(val, FAN_DIV_FROM_REG(data->fan_div[nr]));
@ -519,7 +520,7 @@ set_fan_min(struct device *dev, const char *buf, size_t count, int nr)
data->fan_min[nr] = 0xff;
}
adm1031_write_value(client, ADM1031_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t
@ -540,7 +541,7 @@ set_fan_div(struct device *dev, const char *buf, size_t count, int nr)
if (tmp == 0xff)
return -EINVAL;
down(&data->update_lock);
mutex_lock(&data->update_lock);
old_div = FAN_DIV_FROM_REG(data->fan_div[nr]);
data->fan_div[nr] = (tmp & 0xC0) | (0x3f & data->fan_div[nr]);
new_min = data->fan_min[nr] * old_div /
@ -553,7 +554,7 @@ set_fan_div(struct device *dev, const char *buf, size_t count, int nr)
data->fan_div[nr]);
adm1031_write_value(client, ADM1031_REG_FAN_MIN(nr),
data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -627,11 +628,11 @@ set_temp_min(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtol(buf, NULL, 10);
val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr),
data->temp_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t
@ -643,11 +644,11 @@ set_temp_max(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtol(buf, NULL, 10);
val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr),
data->temp_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t
@ -659,11 +660,11 @@ set_temp_crit(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtol(buf, NULL, 10);
val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_crit[nr] = TEMP_TO_REG(val);
adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr),
data->temp_crit[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -778,7 +779,7 @@ static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -891,7 +892,7 @@ static struct adm1031_data *adm1031_update_device(struct device *dev)
struct adm1031_data *data = i2c_get_clientdata(client);
int chan;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -965,7 +966,7 @@ static struct adm1031_data *adm1031_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

29
drivers/hwmon/adm9240.c
Просмотреть файл

@ -49,6 +49,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
@ -150,7 +151,7 @@ struct adm9240_data {
enum chips type;
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid;
unsigned long last_updated_measure;
unsigned long last_updated_config;
@ -195,11 +196,11 @@ static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
struct adm9240_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM9240_REG_TEMP_MAX(attr->index),
data->temp_max[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -246,11 +247,11 @@ static ssize_t set_in_min(struct device *dev,
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, attr->index);
i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MIN(attr->index),
data->in_min[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -263,11 +264,11 @@ static ssize_t set_in_max(struct device *dev,
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, attr->index);
i2c_smbus_write_byte_data(client, ADM9240_REG_IN_MAX(attr->index),
data->in_max[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -350,7 +351,7 @@ static ssize_t set_fan_min(struct device *dev,
int nr = attr->index;
u8 new_div;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (!val) {
data->fan_min[nr] = 255;
@ -390,7 +391,7 @@ static ssize_t set_fan_min(struct device *dev,
i2c_smbus_write_byte_data(client, ADM9240_REG_FAN_MIN(nr),
data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -439,10 +440,10 @@ static ssize_t set_aout(struct device *dev,
struct adm9240_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->aout = AOUT_TO_REG(val);
i2c_smbus_write_byte_data(client, ADM9240_REG_ANALOG_OUT, data->aout);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
@ -539,7 +540,7 @@ static int adm9240_detect(struct i2c_adapter *adapter, int address, int kind)
/* fill in the remaining client fields and attach */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->type = kind;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
if ((err = i2c_attach_client(new_client)))
goto exit_free;
@ -691,7 +692,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
struct adm9240_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
/* minimum measurement cycle: 1.75 seconds */
if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4))
@ -771,7 +772,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
data->last_updated_config = jiffies;
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

45
drivers/hwmon/asb100.c
Просмотреть файл

@ -44,6 +44,7 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/mutex.h>
#include "lm75.h"
/*
@ -182,10 +183,10 @@ static u8 DIV_TO_REG(long val)
struct asb100_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
unsigned long last_updated; /* In jiffies */
/* array of 2 pointers to subclients */
@ -245,11 +246,11 @@ static ssize_t set_in_##reg(struct device *dev, const char *buf, \
struct asb100_data *data = i2c_get_clientdata(client); \
unsigned long val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
asb100_write_value(client, ASB100_REG_IN_##REG(nr), \
data->in_##reg[nr]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -331,10 +332,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct asb100_data *data = i2c_get_clientdata(client);
u32 val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
asb100_write_value(client, ASB100_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -351,7 +352,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
unsigned long val = simple_strtoul(buf, NULL, 10);
int reg;
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
@ -381,7 +382,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
asb100_write_value(client, ASB100_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -461,7 +462,7 @@ static ssize_t set_##reg(struct device *dev, const char *buf, \
struct asb100_data *data = i2c_get_clientdata(client); \
unsigned long val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
switch (nr) { \
case 1: case 2: \
data->reg[nr] = LM75_TEMP_TO_REG(val); \
@ -472,7 +473,7 @@ static ssize_t set_##reg(struct device *dev, const char *buf, \
} \
asb100_write_value(client, ASB100_REG_TEMP_##REG(nr+1), \
data->reg[nr]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -574,11 +575,11 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *attr, const
struct asb100_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm &= 0x80; /* keep the enable bit */
data->pwm |= (0x0f & ASB100_PWM_TO_REG(val));
asb100_write_value(client, ASB100_REG_PWM1, data->pwm);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -595,11 +596,11 @@ static ssize_t set_pwm_enable1(struct device *dev, struct device_attribute *attr
struct asb100_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm &= 0x0f; /* keep the duty cycle bits */
data->pwm |= (val ? 0x80 : 0x00);
asb100_write_value(client, ASB100_REG_PWM1, data->pwm);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -729,7 +730,7 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
}
new_client = &data->client;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
i2c_set_clientdata(new_client, data);
new_client->addr = address;
new_client->adapter = adapter;
@ -789,7 +790,7 @@ static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -885,7 +886,7 @@ static int asb100_read_value(struct i2c_client *client, u16 reg)
struct i2c_client *cl;
int res, bank;
down(&data->lock);
mutex_lock(&data->lock);
bank = (reg >> 8) & 0x0f;
if (bank > 2)
@ -919,7 +920,7 @@ static int asb100_read_value(struct i2c_client *client, u16 reg)
if (bank > 2)
i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0);
up(&data->lock);
mutex_unlock(&data->lock);
return res;
}
@ -930,7 +931,7 @@ static void asb100_write_value(struct i2c_client *client, u16 reg, u16 value)
struct i2c_client *cl;
int bank;
down(&data->lock);
mutex_lock(&data->lock);
bank = (reg >> 8) & 0x0f;
if (bank > 2)
@ -960,7 +961,7 @@ static void asb100_write_value(struct i2c_client *client, u16 reg, u16 value)
if (bank > 2)
i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0);
up(&data->lock);
mutex_unlock(&data->lock);
}
static void asb100_init_client(struct i2c_client *client)
@ -984,7 +985,7 @@ static struct asb100_data *asb100_update_device(struct device *dev)
struct asb100_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -1042,7 +1043,7 @@ static struct asb100_data *asb100_update_device(struct device *dev)
dev_dbg(&client->dev, "... device update complete\n");
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

9
drivers/hwmon/atxp1.c
Просмотреть файл

@ -26,6 +26,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("System voltages control via Attansic ATXP1");
@ -60,7 +61,7 @@ static struct i2c_driver atxp1_driver = {
struct atxp1_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
unsigned long last_updated;
u8 valid;
struct {
@ -80,7 +81,7 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
client = to_i2c_client(dev);
data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
@ -93,7 +94,7 @@ static struct atxp1_data * atxp1_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return(data);
}
@ -309,7 +310,7 @@ static int atxp1_detect(struct i2c_adapter *adapter, int address, int kind)
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
err = i2c_attach_client(new_client);

13
drivers/hwmon/ds1621.c
Просмотреть файл

@ -28,6 +28,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include "lm75.h"
/* Addresses to scan */
@ -72,7 +73,7 @@ MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low")
struct ds1621_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -156,10 +157,10 @@ static ssize_t set_temp_##suffix(struct device *dev, struct device_attribute *at
struct ds1621_data *data = ds1621_update_client(dev); \
u16 val = LM75_TEMP_TO_REG(simple_strtoul(buf, NULL, 10)); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = val; \
ds1621_write_value(client, reg, data->value); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -242,7 +243,7 @@ static int ds1621_detect(struct i2c_adapter *adapter, int address,
/* Fill in remaining client fields and put it into the global list */
strlcpy(new_client->name, "ds1621", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -297,7 +298,7 @@ static struct ds1621_data *ds1621_update_client(struct device *dev)
struct ds1621_data *data = i2c_get_clientdata(client);
u8 new_conf;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -327,7 +328,7 @@ static struct ds1621_data *ds1621_update_client(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

41
drivers/hwmon/fscher.c
Просмотреть файл

@ -33,6 +33,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -133,7 +134,7 @@ static struct i2c_driver fscher_driver = {
struct fscher_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -332,7 +333,7 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
* global list */
strlcpy(new_client->name, "fscher", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -417,7 +418,7 @@ static struct fscher_data *fscher_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct fscher_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
@ -457,7 +458,7 @@ static struct fscher_data *fscher_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}
@ -472,10 +473,10 @@ static ssize_t set_fan_status(struct i2c_client *client, struct fscher_data *dat
/* bits 0..1, 3..7 reserved => mask with 0x04 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x04;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_status[FAN_INDEX_FROM_NUM(nr)] &= ~v;
fscher_write_value(client, reg, v);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -490,10 +491,10 @@ static ssize_t set_pwm(struct i2c_client *client, struct fscher_data *data,
{
unsigned long v = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[FAN_INDEX_FROM_NUM(nr)] = v > 0xff ? 0xff : v;
fscher_write_value(client, reg, data->fan_min[FAN_INDEX_FROM_NUM(nr)]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -518,14 +519,14 @@ static ssize_t set_fan_div(struct i2c_client *client, struct fscher_data *data,
return -EINVAL;
}
down(&data->update_lock);
mutex_lock(&data->update_lock);
/* bits 2..7 reserved => mask with 0x03 */
data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] &= ~0x03;
data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] |= v;
fscher_write_value(client, reg, data->fan_ripple[FAN_INDEX_FROM_NUM(nr)]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -552,10 +553,10 @@ static ssize_t set_temp_status(struct i2c_client *client, struct fscher_data *da
/* bits 2..7 reserved, 0 read only => mask with 0x02 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_status[TEMP_INDEX_FROM_NUM(nr)] &= ~v;
fscher_write_value(client, reg, v);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -609,10 +610,10 @@ static ssize_t set_control(struct i2c_client *client, struct fscher_data *data,
/* bits 1..7 reserved => mask with 0x01 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x01;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->global_control &= ~v;
fscher_write_value(client, reg, v);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -631,11 +632,11 @@ static ssize_t set_watchdog_control(struct i2c_client *client, struct
/* bits 0..3 reserved => mask with 0xf0 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->watchdog[2] &= ~0xf0;
data->watchdog[2] |= v;
fscher_write_value(client, reg, data->watchdog[2]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -651,10 +652,10 @@ static ssize_t set_watchdog_status(struct i2c_client *client, struct fscher_data
/* bits 0, 2..7 reserved => mask with 0x02 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->watchdog[1] &= ~v;
fscher_write_value(client, reg, v);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -669,10 +670,10 @@ static ssize_t set_watchdog_preset(struct i2c_client *client, struct fscher_data
{
unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->watchdog[0] = v;
fscher_write_value(client, reg, data->watchdog[0]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}

29
drivers/hwmon/fscpos.c
Просмотреть файл

@ -37,6 +37,7 @@
#include <linux/init.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -114,7 +115,7 @@ static struct i2c_driver fscpos_driver = {
struct fscpos_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* 0 until following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -208,13 +209,13 @@ static ssize_t set_fan_ripple(struct i2c_client *client, struct fscpos_data
return -EINVAL;
}
down(&data->update_lock);
mutex_lock(&data->update_lock);
/* bits 2..7 reserved => mask with 0x03 */
data->fan_ripple[nr - 1] &= ~0x03;
data->fan_ripple[nr - 1] |= v;
fscpos_write_value(client, reg, data->fan_ripple[nr - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -232,10 +233,10 @@ static ssize_t set_pwm(struct i2c_client *client, struct fscpos_data *data,
if (v < 0) v = 0;
if (v > 255) v = 255;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm[nr - 1] = v;
fscpos_write_value(client, reg, data->pwm[nr - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -278,11 +279,11 @@ static ssize_t set_wdog_control(struct i2c_client *client, struct fscpos_data
/* bits 0..3 reserved => mask with 0xf0 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->wdog_control &= ~0xf0;
data->wdog_control |= v;
fscpos_write_value(client, reg, data->wdog_control);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -304,10 +305,10 @@ static ssize_t set_wdog_state(struct i2c_client *client, struct fscpos_data
return -EINVAL;
}
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->wdog_state &= ~v;
fscpos_write_value(client, reg, v);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -321,10 +322,10 @@ static ssize_t set_wdog_preset(struct i2c_client *client, struct fscpos_data
{
unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->wdog_preset = v;
fscpos_write_value(client, reg, data->wdog_preset);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -483,7 +484,7 @@ static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, "fscpos", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -579,7 +580,7 @@ static struct fscpos_data *fscpos_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct fscpos_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
int i;
@ -625,7 +626,7 @@ static struct fscpos_data *fscpos_update_device(struct device *dev)
data->last_updated = jiffies;
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

25
drivers/hwmon/gl518sm.c
Просмотреть файл

@ -43,6 +43,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
@ -120,7 +121,7 @@ struct gl518_data {
struct class_device *class_dev;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -212,10 +213,10 @@ static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, c
struct gl518_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = type##_TO_REG(val); \
gl518_write_value(client, reg, data->value); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -228,12 +229,12 @@ static ssize_t set_##suffix(struct device *dev, struct device_attribute *attr, c
int regvalue; \
unsigned long val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
regvalue = gl518_read_value(client, reg); \
data->value = type##_TO_REG(val); \
regvalue = (regvalue & ~mask) | (data->value << shift); \
gl518_write_value(client, reg, regvalue); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -265,7 +266,7 @@ static ssize_t set_fan_min1(struct device *dev, struct device_attribute *attr, c
int regvalue;
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
data->fan_min[0] = FAN_TO_REG(val,
DIV_FROM_REG(data->fan_div[0]));
@ -280,7 +281,7 @@ static ssize_t set_fan_min1(struct device *dev, struct device_attribute *attr, c
data->beep_mask &= data->alarm_mask;
gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -291,7 +292,7 @@ static ssize_t set_fan_min2(struct device *dev, struct device_attribute *attr, c
int regvalue;
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
data->fan_min[1] = FAN_TO_REG(val,
DIV_FROM_REG(data->fan_div[1]));
@ -306,7 +307,7 @@ static ssize_t set_fan_min2(struct device *dev, struct device_attribute *attr, c
data->beep_mask &= data->alarm_mask;
gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -407,7 +408,7 @@ static int gl518_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, "gl518sm", I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -525,7 +526,7 @@ static struct gl518_data *gl518_update_device(struct device *dev)
struct gl518_data *data = i2c_get_clientdata(client);
int val;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -586,7 +587,7 @@ static struct gl518_data *gl518_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

45
drivers/hwmon/gl520sm.c
Просмотреть файл

@ -29,6 +29,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Type of the extra sensor */
static unsigned short extra_sensor_type;
@ -121,7 +122,7 @@ static struct i2c_driver gl520_driver = {
struct gl520_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until the following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -303,7 +304,7 @@ static ssize_t set_in_min(struct i2c_client *client, struct gl520_data *data, co
long v = simple_strtol(buf, NULL, 10);
u8 r;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (n == 0)
r = VDD_TO_REG(v);
@ -317,7 +318,7 @@ static ssize_t set_in_min(struct i2c_client *client, struct gl520_data *data, co
else
gl520_write_value(client, reg, r);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -331,7 +332,7 @@ static ssize_t set_in_max(struct i2c_client *client, struct gl520_data *data, co
else
r = IN_TO_REG(v);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[n] = r;
@ -340,7 +341,7 @@ static ssize_t set_in_max(struct i2c_client *client, struct gl520_data *data, co
else
gl520_write_value(client, reg, r);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -373,7 +374,7 @@ static ssize_t set_fan_min(struct i2c_client *client, struct gl520_data *data, c
unsigned long v = simple_strtoul(buf, NULL, 10);
u8 r;
down(&data->update_lock);
mutex_lock(&data->update_lock);
r = FAN_TO_REG(v, data->fan_div[n - 1]);
data->fan_min[n - 1] = r;
@ -390,7 +391,7 @@ static ssize_t set_fan_min(struct i2c_client *client, struct gl520_data *data, c
data->beep_mask &= data->alarm_mask;
gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -409,7 +410,7 @@ static ssize_t set_fan_div(struct i2c_client *client, struct gl520_data *data, c
return -EINVAL;
}
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_div[n - 1] = r;
if (n == 1)
@ -417,7 +418,7 @@ static ssize_t set_fan_div(struct i2c_client *client, struct gl520_data *data, c
else
gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0x30) | (r << 4));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -425,10 +426,10 @@ static ssize_t set_fan_off(struct i2c_client *client, struct gl520_data *data, c
{
u8 r = simple_strtoul(buf, NULL, 10)?1:0;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_off = r;
gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0x0c) | (r << 2));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -454,10 +455,10 @@ static ssize_t set_temp_max(struct i2c_client *client, struct gl520_data *data,
{
long v = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[n - 1] = TEMP_TO_REG(v);;
gl520_write_value(client, reg, data->temp_max[n - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -465,10 +466,10 @@ static ssize_t set_temp_max_hyst(struct i2c_client *client, struct gl520_data *d
{
long v = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max_hyst[n - 1] = TEMP_TO_REG(v);
gl520_write_value(client, reg, data->temp_max_hyst[n - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -491,10 +492,10 @@ static ssize_t set_beep_enable(struct i2c_client *client, struct gl520_data *dat
{
u8 r = simple_strtoul(buf, NULL, 10)?0:1;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->beep_enable = !r;
gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0x04) | (r << 2));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -502,11 +503,11 @@ static ssize_t set_beep_mask(struct i2c_client *client, struct gl520_data *data,
{
u8 r = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
r &= data->alarm_mask;
data->beep_mask = r;
gl520_write_value(client, reg, r);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -561,7 +562,7 @@ static int gl520_detect(struct i2c_adapter *adapter, int address, int kind)
/* Fill in the remaining client fields */
strlcpy(new_client->name, "gl520sm", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -685,7 +686,7 @@ static struct gl520_data *gl520_update_device(struct device *dev)
struct gl520_data *data = i2c_get_clientdata(client);
int val;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
@ -750,7 +751,7 @@ static struct gl520_data *gl520_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

37
drivers/hwmon/hdaps.c
Просмотреть файл

@ -33,6 +33,7 @@
#include <linux/module.h>
#include <linux/timer.h>
#include <linux/dmi.h>
#include <linux/mutex.h>
#include <asm/io.h>
#define HDAPS_LOW_PORT 0x1600 /* first port used by hdaps */
@ -70,10 +71,10 @@ static u8 km_activity;
static int rest_x;
static int rest_y;
static DECLARE_MUTEX(hdaps_sem);
static DEFINE_MUTEX(hdaps_mutex);
/*
* __get_latch - Get the value from a given port. Callers must hold hdaps_sem.
* __get_latch - Get the value from a given port. Callers must hold hdaps_mutex.
*/
static inline u8 __get_latch(u16 port)
{
@ -82,7 +83,7 @@ static inline u8 __get_latch(u16 port)
/*
* __check_latch - Check a port latch for a given value. Returns zero if the
* port contains the given value. Callers must hold hdaps_sem.
* port contains the given value. Callers must hold hdaps_mutex.
*/
static inline int __check_latch(u16 port, u8 val)
{
@ -93,7 +94,7 @@ static inline int __check_latch(u16 port, u8 val)
/*
* __wait_latch - Wait up to 100us for a port latch to get a certain value,
* returning zero if the value is obtained. Callers must hold hdaps_sem.
* returning zero if the value is obtained. Callers must hold hdaps_mutex.
*/
static int __wait_latch(u16 port, u8 val)
{
@ -110,7 +111,7 @@ static int __wait_latch(u16 port, u8 val)
/*
* __device_refresh - request a refresh from the accelerometer. Does not wait
* for refresh to complete. Callers must hold hdaps_sem.
* for refresh to complete. Callers must hold hdaps_mutex.
*/
static void __device_refresh(void)
{
@ -124,7 +125,7 @@ static void __device_refresh(void)
/*
* __device_refresh_sync - request a synchronous refresh from the
* accelerometer. We wait for the refresh to complete. Returns zero if
* successful and nonzero on error. Callers must hold hdaps_sem.
* successful and nonzero on error. Callers must hold hdaps_mutex.
*/
static int __device_refresh_sync(void)
{
@ -134,7 +135,7 @@ static int __device_refresh_sync(void)
/*
* __device_complete - indicate to the accelerometer that we are done reading
* data, and then initiate an async refresh. Callers must hold hdaps_sem.
* data, and then initiate an async refresh. Callers must hold hdaps_mutex.
*/
static inline void __device_complete(void)
{
@ -152,7 +153,7 @@ static int hdaps_readb_one(unsigned int port, u8 *val)
{
int ret;
down(&hdaps_sem);
mutex_lock(&hdaps_mutex);
/* do a sync refresh -- we need to be sure that we read fresh data */
ret = __device_refresh_sync();
@ -163,7 +164,7 @@ static int hdaps_readb_one(unsigned int port, u8 *val)
__device_complete();
out:
up(&hdaps_sem);
mutex_unlock(&hdaps_mutex);
return ret;
}
@ -198,9 +199,9 @@ static int hdaps_read_pair(unsigned int port1, unsigned int port2,
{
int ret;
down(&hdaps_sem);
mutex_lock(&hdaps_mutex);
ret = __hdaps_read_pair(port1, port2, val1, val2);
up(&hdaps_sem);
mutex_unlock(&hdaps_mutex);
return ret;
}
@ -213,7 +214,7 @@ static int hdaps_device_init(void)
{
int total, ret = -ENXIO;
down(&hdaps_sem);
mutex_lock(&hdaps_mutex);
outb(0x13, 0x1610);
outb(0x01, 0x161f);
@ -279,7 +280,7 @@ static int hdaps_device_init(void)
}
out:
up(&hdaps_sem);
mutex_unlock(&hdaps_mutex);
return ret;
}
@ -313,7 +314,7 @@ static struct platform_driver hdaps_driver = {
};
/*
* hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_sem.
* hdaps_calibrate - Set our "resting" values. Callers must hold hdaps_mutex.
*/
static void hdaps_calibrate(void)
{
@ -325,7 +326,7 @@ static void hdaps_mousedev_poll(unsigned long unused)
int x, y;
/* Cannot sleep. Try nonblockingly. If we fail, try again later. */
if (down_trylock(&hdaps_sem)) {
if (!mutex_trylock(&hdaps_mutex)) {
mod_timer(&hdaps_timer,jiffies + HDAPS_POLL_PERIOD);
return;
}
@ -340,7 +341,7 @@ static void hdaps_mousedev_poll(unsigned long unused)
mod_timer(&hdaps_timer, jiffies + HDAPS_POLL_PERIOD);
out:
up(&hdaps_sem);
mutex_unlock(&hdaps_mutex);
}
@ -420,9 +421,9 @@ static ssize_t hdaps_calibrate_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
down(&hdaps_sem);
mutex_lock(&hdaps_mutex);
hdaps_calibrate();
up(&hdaps_sem);
mutex_unlock(&hdaps_mutex);
return count;
}

61
drivers/hwmon/it87.c
Просмотреть файл

@ -41,6 +41,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
@ -194,10 +195,10 @@ static int DIV_TO_REG(int val)
struct it87_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -290,11 +291,11 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
it87_write_value(client, IT87_REG_VIN_MIN(nr),
data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
@ -307,11 +308,11 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
struct it87_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
it87_write_value(client, IT87_REG_VIN_MAX(nr),
data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -381,10 +382,10 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_high[nr] = TEMP_TO_REG(val);
it87_write_value(client, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
@ -397,10 +398,10 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_low[nr] = TEMP_TO_REG(val);
it87_write_value(client, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define show_temp_offset(offset) \
@ -440,7 +441,7 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->sensor &= ~(1 << nr);
data->sensor &= ~(8 << nr);
@ -450,11 +451,11 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
else if (val == 2)
data->sensor |= 8 << nr;
else if (val != 0) {
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
it87_write_value(client, IT87_REG_TEMP_ENABLE, data->sensor);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define show_sensor_offset(offset) \
@ -524,7 +525,7 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
int val = simple_strtol(buf, NULL, 10);
u8 reg = it87_read_value(client, IT87_REG_FAN_DIV);
down(&data->update_lock);
mutex_lock(&data->update_lock);
switch (nr) {
case 0: data->fan_div[nr] = reg & 0x07; break;
case 1: data->fan_div[nr] = (reg >> 3) & 0x07; break;
@ -533,7 +534,7 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
@ -548,7 +549,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
int i, min[3];
u8 old;
down(&data->update_lock);
mutex_lock(&data->update_lock);
old = it87_read_value(client, IT87_REG_FAN_DIV);
for (i = 0; i < 3; i++)
@ -576,7 +577,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
data->fan_min[i]=FAN_TO_REG(min[i], DIV_FROM_REG(data->fan_div[i]));
it87_write_value(client, IT87_REG_FAN_MIN(i), data->fan_min[i]);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_pwm_enable(struct device *dev,
@ -589,7 +590,7 @@ static ssize_t set_pwm_enable(struct device *dev,
struct it87_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (val == 0) {
int tmp;
@ -606,11 +607,11 @@ static ssize_t set_pwm_enable(struct device *dev,
/* set saved pwm value, clear FAN_CTLX PWM mode bit */
it87_write_value(client, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
} else {
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
@ -626,11 +627,11 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
if (val < 0 || val > 255)
return -EINVAL;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->manual_pwm_ctl[nr] = val;
if (data->fan_main_ctrl & (1 << nr))
it87_write_value(client, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -776,7 +777,7 @@ static int it87_detect(struct i2c_adapter *adapter, int address, int kind)
new_client = &data->client;
if (is_isa)
init_MUTEX(&data->lock);
mutex_init(&data->lock);
i2c_set_clientdata(new_client, data);
new_client->addr = address;
new_client->adapter = adapter;
@ -823,7 +824,7 @@ static int it87_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -950,10 +951,10 @@ static int it87_read_value(struct i2c_client *client, u8 reg)
int res;
if (i2c_is_isa_client(client)) {
down(&data->lock);
mutex_lock(&data->lock);
outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
res = inb_p(client->addr + IT87_DATA_REG_OFFSET);
up(&data->lock);
mutex_unlock(&data->lock);
return res;
} else
return i2c_smbus_read_byte_data(client, reg);
@ -969,10 +970,10 @@ static int it87_write_value(struct i2c_client *client, u8 reg, u8 value)
struct it87_data *data = i2c_get_clientdata(client);
if (i2c_is_isa_client(client)) {
down(&data->lock);
mutex_lock(&data->lock);
outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
outb_p(value, client->addr + IT87_DATA_REG_OFFSET);
up(&data->lock);
mutex_unlock(&data->lock);
return 0;
} else
return i2c_smbus_write_byte_data(client, reg, value);
@ -1098,7 +1099,7 @@ static struct it87_data *it87_update_device(struct device *dev)
struct it87_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -1160,7 +1161,7 @@ static struct it87_data *it87_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

29
drivers/hwmon/lm63.c
Просмотреть файл

@ -45,6 +45,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -153,7 +154,7 @@ static struct i2c_driver lm63_driver = {
struct lm63_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -192,13 +193,13 @@ static ssize_t set_fan(struct device *dev, struct device_attribute *dummy,
struct lm63_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan[1] = FAN_TO_REG(val);
i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_LSB,
data->fan[1] & 0xFF);
i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_MSB,
data->fan[1] >> 8);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -222,12 +223,12 @@ static ssize_t set_pwm1(struct device *dev, struct device_attribute *dummy,
return -EPERM;
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm1_value = val <= 0 ? 0 :
val >= 255 ? 2 * data->pwm1_freq :
(val * data->pwm1_freq * 2 + 127) / 255;
i2c_smbus_write_byte_data(client, LM63_REG_PWM_VALUE, data->pwm1_value);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -253,10 +254,10 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *dummy,
struct lm63_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp8[1] = TEMP8_TO_REG(val);
i2c_smbus_write_byte_data(client, LM63_REG_LOCAL_HIGH, data->temp8[1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -284,13 +285,13 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
long val = simple_strtol(buf, NULL, 10);
int nr = attr->index;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp11[nr] = TEMP11_TO_REG(val);
i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2],
data->temp11[nr] >> 8);
i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
data->temp11[nr] & 0xff);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -314,11 +315,11 @@ static ssize_t set_temp2_crit_hyst(struct device *dev, struct device_attribute *
long val = simple_strtol(buf, NULL, 10);
long hyst;
down(&data->update_lock);
mutex_lock(&data->update_lock);
hyst = TEMP8_FROM_REG(data->temp8[2]) - val;
i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
HYST_TO_REG(hyst));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -427,7 +428,7 @@ static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, "lm63", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -530,7 +531,7 @@ static struct lm63_data *lm63_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm63_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
if (data->config & 0x04) { /* tachometer enabled */
@ -582,7 +583,7 @@ static struct lm63_data *lm63_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

13
drivers/hwmon/lm75.c
Просмотреть файл

@ -25,6 +25,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include "lm75.h"
@ -47,7 +48,7 @@ I2C_CLIENT_INSMOD_1(lm75);
struct lm75_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
u16 temp_input; /* Register values */
@ -91,10 +92,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
struct lm75_data *data = i2c_get_clientdata(client); \
int temp = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = LM75_TEMP_TO_REG(temp); \
lm75_write_value(client, reg, data->value); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
set(temp_max, LM75_REG_TEMP_OS);
@ -188,7 +189,7 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind)
/* Fill in the remaining client fields and put it into the global list */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -264,7 +265,7 @@ static struct lm75_data *lm75_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm75_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -277,7 +278,7 @@ static struct lm75_data *lm75_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

21
drivers/hwmon/lm77.c
Просмотреть файл

@ -32,6 +32,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END };
@ -51,7 +52,7 @@ I2C_CLIENT_INSMOD_1(lm77);
struct lm77_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid;
unsigned long last_updated; /* In jiffies */
int temp_input; /* Temperatures */
@ -139,10 +140,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
struct lm77_data *data = i2c_get_clientdata(client); \
long val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = val; \
lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value)); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -157,11 +158,11 @@ static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *a
struct lm77_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_hyst = data->temp_crit - val;
lm77_write_value(client, LM77_REG_TEMP_HYST,
LM77_TEMP_TO_REG(data->temp_hyst));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -173,7 +174,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
long val = simple_strtoul(buf, NULL, 10);
int oldcrithyst;
down(&data->update_lock);
mutex_lock(&data->update_lock);
oldcrithyst = data->temp_crit - data->temp_hyst;
data->temp_crit = val;
data->temp_hyst = data->temp_crit - oldcrithyst;
@ -181,7 +182,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
LM77_TEMP_TO_REG(data->temp_crit));
lm77_write_value(client, LM77_REG_TEMP_HYST,
LM77_TEMP_TO_REG(data->temp_hyst));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -306,7 +307,7 @@ static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
/* Fill in the remaining client fields and put it into the global list */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -380,7 +381,7 @@ static struct lm77_data *lm77_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm77_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -406,7 +407,7 @@ static struct lm77_data *lm77_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

47
drivers/hwmon/lm78.c
Просмотреть файл

@ -27,6 +27,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
/* Addresses to scan */
@ -131,10 +132,10 @@ static inline int TEMP_FROM_REG(s8 val)
struct lm78_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -207,10 +208,10 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
struct lm78_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
lm78_write_value(client, LM78_REG_IN_MIN(nr), data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -221,10 +222,10 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
struct lm78_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
lm78_write_value(client, LM78_REG_IN_MAX(nr), data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -288,10 +289,10 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
struct lm78_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_over = TEMP_TO_REG(val);
lm78_write_value(client, LM78_REG_TEMP_OVER, data->temp_over);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -307,10 +308,10 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr,
struct lm78_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_hyst = TEMP_TO_REG(val);
lm78_write_value(client, LM78_REG_TEMP_HYST, data->temp_hyst);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -342,10 +343,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct lm78_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -368,7 +369,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
unsigned long min;
u8 reg;
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
@ -380,7 +381,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
default:
dev_err(&client->dev, "fan_div value %ld not "
"supported. Choose one of 1, 2, 4 or 8!\n", val);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@ -398,7 +399,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
data->fan_min[nr] =
FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -548,7 +549,7 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
new_client = &data->client;
if (is_isa)
init_MUTEX(&data->lock);
mutex_init(&data->lock);
i2c_set_clientdata(new_client, data);
new_client->addr = address;
new_client->adapter = adapter;
@ -598,7 +599,7 @@ static int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -697,10 +698,10 @@ static int lm78_read_value(struct i2c_client *client, u8 reg)
int res;
if (i2c_is_isa_client(client)) {
struct lm78_data *data = i2c_get_clientdata(client);
down(&data->lock);
mutex_lock(&data->lock);
outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
res = inb_p(client->addr + LM78_DATA_REG_OFFSET);
up(&data->lock);
mutex_unlock(&data->lock);
return res;
} else
return i2c_smbus_read_byte_data(client, reg);
@ -717,10 +718,10 @@ static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
{
if (i2c_is_isa_client(client)) {
struct lm78_data *data = i2c_get_clientdata(client);
down(&data->lock);
mutex_lock(&data->lock);
outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
outb_p(value, client->addr + LM78_DATA_REG_OFFSET);
up(&data->lock);
mutex_unlock(&data->lock);
return 0;
} else
return i2c_smbus_write_byte_data(client, reg, value);
@ -742,7 +743,7 @@ static struct lm78_data *lm78_update_device(struct device *dev)
struct lm78_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -786,7 +787,7 @@ static struct lm78_data *lm78_update_device(struct device *dev)
data->fan_div[2] = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

27
drivers/hwmon/lm80.c
Просмотреть файл

@ -28,6 +28,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c,
@ -108,7 +109,7 @@ static inline long TEMP_FROM_REG(u16 temp)
struct lm80_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -191,10 +192,10 @@ static ssize_t set_in_##suffix(struct device *dev, struct device_attribute *attr
struct lm80_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock);\
mutex_lock(&data->update_lock);\
data->value = IN_TO_REG(val); \
lm80_write_value(client, reg, data->value); \
up(&data->update_lock);\
mutex_unlock(&data->update_lock);\
return count; \
}
set_in(min0, in_min[0], LM80_REG_IN_MIN(0));
@ -241,10 +242,10 @@ static ssize_t set_fan_##suffix(struct device *dev, struct device_attribute *att
struct lm80_data *data = i2c_get_clientdata(client); \
long val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock);\
mutex_lock(&data->update_lock);\
data->value = FAN_TO_REG(val, DIV_FROM_REG(data->div)); \
lm80_write_value(client, reg, data->value); \
up(&data->update_lock);\
mutex_unlock(&data->update_lock);\
return count; \
}
set_fan(min1, fan_min[0], LM80_REG_FAN_MIN(1), fan_div[0]);
@ -263,7 +264,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
u8 reg;
/* Save fan_min */
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
@ -275,7 +276,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
default:
dev_err(&client->dev, "fan_div value %ld not "
"supported. Choose one of 1, 2, 4 or 8!\n", val);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@ -286,7 +287,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
/* Restore fan_min */
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
lm80_write_value(client, LM80_REG_FAN_MIN(nr + 1), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -325,10 +326,10 @@ static ssize_t set_temp_##suffix(struct device *dev, struct device_attribute *at
struct lm80_data *data = i2c_get_clientdata(client); \
long val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = TEMP_LIMIT_TO_REG(val); \
lm80_write_value(client, reg, data->value); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
set_temp(hot_max, temp_hot_max, LM80_REG_TEMP_HOT_MAX);
@ -437,7 +438,7 @@ static int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
/* Fill in the remaining client fields and put it into the global list */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -545,7 +546,7 @@ static struct lm80_data *lm80_update_device(struct device *dev)
struct lm80_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
dev_dbg(&client->dev, "Starting lm80 update\n");
@ -585,7 +586,7 @@ static struct lm80_data *lm80_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

13
drivers/hwmon/lm83.c
Просмотреть файл

@ -35,6 +35,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -139,7 +140,7 @@ static struct i2c_driver lm83_driver = {
struct lm83_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -171,11 +172,11 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,
long val = simple_strtol(buf, NULL, 10);
int nr = attr->index;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp[nr] = TEMP_TO_REG(val);
i2c_smbus_write_byte_data(client, LM83_REG_W_HIGH[nr - 4],
data->temp[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -300,7 +301,7 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
/* We can fill in the remaining client fields */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -373,7 +374,7 @@ static struct lm83_data *lm83_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm83_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
int nr;
@ -393,7 +394,7 @@ static struct lm83_data *lm83_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

67
drivers/hwmon/lm85.c
Просмотреть файл

@ -31,6 +31,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
@ -331,10 +332,10 @@ struct lm85_autofan {
struct lm85_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
int valid; /* !=0 if following fields are valid */
unsigned long last_reading; /* In jiffies */
unsigned long last_config; /* In jiffies */
@ -407,10 +408,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val);
lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -499,10 +500,10 @@ static ssize_t set_pwm(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm[nr] = PWM_TO_REG(val);
lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr)
@ -559,10 +560,10 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = INS_TO_REG(nr, val);
lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_in_max(struct device *dev, char *buf, int nr)
@ -577,10 +578,10 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = INS_TO_REG(nr, val);
lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define show_in_reg(offset) \
@ -640,10 +641,10 @@ static ssize_t set_temp_min(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_min[nr] = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
@ -658,10 +659,10 @@ static ssize_t set_temp_max(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[nr] = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define show_temp_reg(offset) \
@ -713,12 +714,12 @@ static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
| ZONE_TO_REG(val) ;
lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
data->autofan[nr].config);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr)
@ -733,11 +734,11 @@ static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->autofan[nr].min_pwm = PWM_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr),
data->autofan[nr].min_pwm);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr)
@ -752,7 +753,7 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->autofan[nr].min_off = val;
lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0]
| data->syncpwm3
@ -760,7 +761,7 @@ static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf,
| (data->autofan[1].min_off ? 0x40 : 0)
| (data->autofan[2].min_off ? 0x80 : 0)
);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr)
@ -775,13 +776,13 @@ static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->autofan[nr].freq = FREQ_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
(data->zone[nr].range << 4)
| data->autofan[nr].freq
);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define pwm_auto(offset) \
@ -857,7 +858,7 @@ static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf,
int min;
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = TEMP_FROM_REG(data->zone[nr].limit);
data->zone[nr].off_desired = TEMP_TO_REG(val);
data->zone[nr].hyst = HYST_TO_REG(min - val);
@ -871,7 +872,7 @@ static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf,
(data->zone[2].hyst << 4)
);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr)
@ -886,7 +887,7 @@ static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->zone[nr].limit = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr),
data->zone[nr].limit);
@ -913,7 +914,7 @@ static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf,
(data->zone[2].hyst << 4)
);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr)
@ -930,7 +931,7 @@ static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf,
int min;
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = TEMP_FROM_REG(data->zone[nr].limit);
data->zone[nr].max_desired = TEMP_TO_REG(val);
data->zone[nr].range = RANGE_TO_REG(
@ -938,7 +939,7 @@ static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf,
lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
((data->zone[nr].range & 0x0f) << 4)
| (data->autofan[nr].freq & 0x07));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr)
@ -953,11 +954,11 @@ static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf,
struct lm85_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->zone[nr].critical = TEMP_TO_REG(val);
lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr),
data->zone[nr].critical);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define temp_auto(offset) \
@ -1149,7 +1150,7 @@ static int lm85_detect(struct i2c_adapter *adapter, int address,
/* Fill in the remaining client fields */
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -1368,7 +1369,7 @@ static struct lm85_data *lm85_update_device(struct device *dev)
struct lm85_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if ( !data->valid ||
time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) {
@ -1571,7 +1572,7 @@ static struct lm85_data *lm85_update_device(struct device *dev)
data->valid = 1;
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

39
drivers/hwmon/lm87.c
Просмотреть файл

@ -60,6 +60,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -176,7 +177,7 @@ static struct i2c_driver lm87_driver = {
struct lm87_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -253,11 +254,11 @@ static void set_in_min(struct device *dev, const char *buf, int nr)
struct lm87_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]);
lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) :
LM87_REG_AIN_MIN(nr-6), data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
static void set_in_max(struct device *dev, const char *buf, int nr)
@ -266,11 +267,11 @@ static void set_in_max(struct device *dev, const char *buf, int nr)
struct lm87_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]);
lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) :
LM87_REG_AIN_MAX(nr-6), data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
#define set_in(offset) \
@ -327,10 +328,10 @@ static void set_temp_low(struct device *dev, const char *buf, int nr)
struct lm87_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_low[nr] = TEMP_TO_REG(val);
lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
static void set_temp_high(struct device *dev, const char *buf, int nr)
@ -339,10 +340,10 @@ static void set_temp_high(struct device *dev, const char *buf, int nr)
struct lm87_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_high[nr] = TEMP_TO_REG(val);
lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
#define set_temp(offset) \
@ -411,11 +412,11 @@ static void set_fan_min(struct device *dev, const char *buf, int nr)
struct lm87_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val,
FAN_DIV_FROM_REG(data->fan_div[nr]));
lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
}
/* Note: we save and restore the fan minimum here, because its value is
@ -431,7 +432,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
unsigned long min;
u8 reg;
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
FAN_DIV_FROM_REG(data->fan_div[nr]));
@ -441,7 +442,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
case 4: data->fan_div[nr] = 2; break;
case 8: data->fan_div[nr] = 3; break;
default:
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@ -459,7 +460,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
data->fan_min[nr] = FAN_TO_REG(min, val);
lm87_write_value(client, LM87_REG_FAN_MIN(nr),
data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -522,10 +523,10 @@ static ssize_t set_aout(struct device *dev, struct device_attribute *attr, const
struct lm87_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->aout = AOUT_TO_REG(val);
lm87_write_value(client, LM87_REG_AOUT, data->aout);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
@ -589,7 +590,7 @@ static int lm87_detect(struct i2c_adapter *adapter, int address, int kind)
/* We can fill in the remaining client fields */
strlcpy(new_client->name, "lm87", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -744,7 +745,7 @@ static struct lm87_data *lm87_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm87_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
int i, j;
@ -813,7 +814,7 @@ static struct lm87_data *lm87_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

21
drivers/hwmon/lm90.c
Просмотреть файл

@ -78,6 +78,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/*
* Addresses to scan
@ -201,7 +202,7 @@ static struct i2c_driver lm90_driver = {
struct lm90_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
int kind;
@ -247,13 +248,13 @@ static ssize_t set_temp8(struct device *dev, struct device_attribute *devattr,
long val = simple_strtol(buf, NULL, 10);
int nr = attr->index;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (data->kind == adt7461)
data->temp8[nr] = TEMP1_TO_REG_ADT7461(val);
else
data->temp8[nr] = TEMP1_TO_REG(val);
i2c_smbus_write_byte_data(client, reg[nr - 1], data->temp8[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -281,7 +282,7 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
long val = simple_strtol(buf, NULL, 10);
int nr = attr->index;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (data->kind == adt7461)
data->temp11[nr] = TEMP2_TO_REG_ADT7461(val);
else
@ -290,7 +291,7 @@ static ssize_t set_temp11(struct device *dev, struct device_attribute *devattr,
data->temp11[nr] >> 8);
i2c_smbus_write_byte_data(client, reg[(nr - 1) * 2 + 1],
data->temp11[nr] & 0xff);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -311,11 +312,11 @@ static ssize_t set_temphyst(struct device *dev, struct device_attribute *dummy,
long val = simple_strtol(buf, NULL, 10);
long hyst;
down(&data->update_lock);
mutex_lock(&data->update_lock);
hyst = TEMP1_FROM_REG(data->temp8[3]) - val;
i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST,
HYST_TO_REG(hyst));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -558,7 +559,7 @@ static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
data->kind = kind;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -646,7 +647,7 @@ static struct lm90_data *lm90_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm90_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
u8 oldh, newh, l;
@ -692,7 +693,7 @@ static struct lm90_data *lm90_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

17
drivers/hwmon/lm92.c
Просмотреть файл

@ -46,6 +46,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* The LM92 and MAX6635 have 2 two-state pins for address selection,
resulting in 4 possible addresses. */
@ -96,7 +97,7 @@ static struct i2c_driver lm92_driver;
struct lm92_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -114,7 +115,7 @@ static struct lm92_data *lm92_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct lm92_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ)
|| !data->valid) {
@ -134,7 +135,7 @@ static struct lm92_data *lm92_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}
@ -158,10 +159,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
struct lm92_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = TEMP_TO_REG(val); \
i2c_smbus_write_word_data(client, reg, swab16(data->value)); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
set_temp(temp1_crit, LM92_REG_TEMP_CRIT);
@ -194,11 +195,11 @@ static ssize_t set_temp1_crit_hyst(struct device *dev, struct device_attribute *
struct lm92_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;
i2c_smbus_write_word_data(client, LM92_REG_TEMP_HYST,
swab16(TEMP_TO_REG(data->temp1_hyst)));
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -348,7 +349,7 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
/* Fill in the remaining client fields */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the i2c subsystem a new client has arrived */
if ((err = i2c_attach_client(new_client)))

13
drivers/hwmon/max1619.c
Просмотреть файл

@ -33,6 +33,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
0x29, 0x2a, 0x2b,
@ -104,7 +105,7 @@ static struct i2c_driver max1619_driver = {
struct max1619_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -141,10 +142,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co
struct max1619_data *data = i2c_get_clientdata(client); \
long val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->value = TEMP_TO_REG(val); \
i2c_smbus_write_byte_data(client, reg, data->value); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
@ -262,7 +263,7 @@ static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
/* We can fill in the remaining client fields */
strlcpy(new_client->name, name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -330,7 +331,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct max1619_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
dev_dbg(&client->dev, "Updating max1619 data.\n");
@ -353,7 +354,7 @@ static struct max1619_data *max1619_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

61
drivers/hwmon/pc87360.c
Просмотреть файл

@ -43,6 +43,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
static u8 devid;
@ -183,8 +184,8 @@ static inline u8 PWM_TO_REG(int val, int inv)
struct pc87360_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct semaphore update_lock;
struct mutex lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -283,7 +284,7 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr,
struct pc87360_data *data = i2c_get_clientdata(client);
long fan_min = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
/* If it wouldn't fit, change clock divisor */
@ -300,7 +301,7 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr,
/* Write new divider, preserve alarm bits */
pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
data->fan_status[attr->index] & 0xF9);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -343,12 +344,12 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, con
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm[attr->index] = PWM_TO_REG(val,
FAN_CONFIG_INVERT(data->fan_conf, attr->index));
pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
data->pwm[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -393,11 +394,11 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
data->in_min[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
@ -408,12 +409,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr,
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val,
data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
data->in_max[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -512,11 +513,11 @@ static ssize_t set_therm_min(struct device *dev, struct device_attribute *devatt
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
data->in_min[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
@ -527,11 +528,11 @@ static ssize_t set_therm_max(struct device *dev, struct device_attribute *devatt
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
data->in_max[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
@ -542,11 +543,11 @@ static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devat
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
data->in_crit[attr->index-11]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -654,11 +655,11 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_min[attr->index] = TEMP_TO_REG(val);
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
data->temp_min[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
@ -669,11 +670,11 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
data->temp_max[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
@ -684,11 +685,11 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devatt
struct pc87360_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_crit[attr->index] = TEMP_TO_REG(val);
pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
data->temp_crit[attr->index]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -845,7 +846,7 @@ static int pc87360_detect(struct i2c_adapter *adapter)
dev = &client->dev;
i2c_set_clientdata(client, data);
client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
client->adapter = adapter;
client->driver = &pc87360_driver;
client->flags = 0;
@ -878,7 +879,7 @@ static int pc87360_detect(struct i2c_adapter *adapter)
strlcpy(client->name, name, sizeof(client->name));
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
for (i = 0; i < 3; i++) {
if (((data->address[i] = extra_isa[i]))
@ -1027,11 +1028,11 @@ static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
{
int res;
down(&(data->lock));
mutex_lock(&(data->lock));
if (bank != NO_BANK)
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
res = inb_p(data->address[ldi] + reg);
up(&(data->lock));
mutex_unlock(&(data->lock));
return res;
}
@ -1039,11 +1040,11 @@ static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
u8 reg, u8 value)
{
down(&(data->lock));
mutex_lock(&(data->lock));
if (bank != NO_BANK)
outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
outb_p(value, data->address[ldi] + reg);
up(&(data->lock));
mutex_unlock(&(data->lock));
}
static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
@ -1215,7 +1216,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
struct pc87360_data *data = i2c_get_clientdata(client);
u8 i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
dev_dbg(&client->dev, "Data update\n");
@ -1315,7 +1316,7 @@ static struct pc87360_data *pc87360_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

47
drivers/hwmon/sis5595.c
Просмотреть файл

@ -60,6 +60,7 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/mutex.h>
#include <asm/io.h>
@ -167,9 +168,9 @@ static inline u8 DIV_TO_REG(int val)
struct sis5595_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
char maxins; /* == 3 if temp enabled, otherwise == 4 */
@ -231,10 +232,10 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
struct sis5595_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val);
sis5595_write_value(client, SIS5595_REG_IN_MIN(nr), data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -245,10 +246,10 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
struct sis5595_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val);
sis5595_write_value(client, SIS5595_REG_IN_MAX(nr), data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -310,10 +311,10 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
struct sis5595_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_over = TEMP_TO_REG(val);
sis5595_write_value(client, SIS5595_REG_TEMP_OVER, data->temp_over);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -329,10 +330,10 @@ static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr,
struct sis5595_data *data = i2c_get_clientdata(client);
long val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_hyst = TEMP_TO_REG(val);
sis5595_write_value(client, SIS5595_REG_TEMP_HYST, data->temp_hyst);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -364,10 +365,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct sis5595_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -390,7 +391,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
unsigned long val = simple_strtoul(buf, NULL, 10);
int reg;
down(&data->update_lock);
mutex_lock(&data->update_lock);
min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
reg = sis5595_read_value(client, SIS5595_REG_FANDIV);
@ -403,7 +404,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
default:
dev_err(&client->dev, "fan_div value %ld not "
"supported. Choose one of 1, 2, 4 or 8!\n", val);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@ -419,7 +420,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
data->fan_min[nr] =
FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -527,7 +528,7 @@ static int sis5595_detect(struct i2c_adapter *adapter)
new_client = &data->client;
new_client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
i2c_set_clientdata(new_client, data);
new_client->adapter = adapter;
new_client->driver = &sis5595_driver;
@ -548,7 +549,7 @@ static int sis5595_detect(struct i2c_adapter *adapter)
strlcpy(new_client->name, "sis5595", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -635,20 +636,20 @@ static int sis5595_read_value(struct i2c_client *client, u8 reg)
int res;
struct sis5595_data *data = i2c_get_clientdata(client);
down(&data->lock);
mutex_lock(&data->lock);
outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
res = inb_p(client->addr + SIS5595_DATA_REG_OFFSET);
up(&data->lock);
mutex_unlock(&data->lock);
return res;
}
static int sis5595_write_value(struct i2c_client *client, u8 reg, u8 value)
{
struct sis5595_data *data = i2c_get_clientdata(client);
down(&data->lock);
mutex_lock(&data->lock);
outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
outb_p(value, client->addr + SIS5595_DATA_REG_OFFSET);
up(&data->lock);
mutex_unlock(&data->lock);
return 0;
}
@ -667,7 +668,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
struct sis5595_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -707,7 +708,7 @@ static struct sis5595_data *sis5595_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

17
drivers/hwmon/smsc47b397.c
Просмотреть файл

@ -35,6 +35,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <asm/io.h>
/* Address is autodetected, there is no default value */
@ -92,9 +93,9 @@ static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80};
struct smsc47b397_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
struct semaphore update_lock;
struct mutex update_lock;
unsigned long last_updated; /* in jiffies */
int valid;
@ -108,10 +109,10 @@ static int smsc47b397_read_value(struct i2c_client *client, u8 reg)
struct smsc47b397_data *data = i2c_get_clientdata(client);
int res;
down(&data->lock);
mutex_lock(&data->lock);
outb(reg, client->addr);
res = inb_p(client->addr + 1);
up(&data->lock);
mutex_unlock(&data->lock);
return res;
}
@ -121,7 +122,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
struct smsc47b397_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
dev_dbg(&client->dev, "starting device update...\n");
@ -144,7 +145,7 @@ static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
dev_dbg(&client->dev, "... device update complete\n");
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}
@ -254,14 +255,14 @@ static int smsc47b397_detect(struct i2c_adapter *adapter)
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
new_client->adapter = adapter;
new_client->driver = &smsc47b397_driver;
new_client->flags = 0;
strlcpy(new_client->name, "smsc47b397", I2C_NAME_SIZE);
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
if ((err = i2c_attach_client(new_client)))
goto error_free;

41
drivers/hwmon/smsc47m1.c
Просмотреть файл

@ -34,6 +34,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <asm/io.h>
/* Address is autodetected, there is no default value */
@ -102,9 +103,9 @@ superio_exit(void)
struct smsc47m1_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
struct semaphore update_lock;
struct mutex update_lock;
unsigned long last_updated; /* In jiffies */
u8 fan[2]; /* Register value */
@ -188,18 +189,18 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct smsc47m1_data *data = i2c_get_clientdata(client);
long rpmdiv, val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
rpmdiv = val * DIV_FROM_REG(data->fan_div[nr]);
if (983040 > 192 * rpmdiv || 2 * rpmdiv > 983040) {
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
data->fan_preload[nr] = 192 - ((983040 + rpmdiv / 2) / rpmdiv);
smsc47m1_write_value(client, SMSC47M1_REG_FAN_PRELOAD(nr),
data->fan_preload[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -220,14 +221,14 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
if (new_div == old_div) /* No change */
return count;
down(&data->update_lock);
mutex_lock(&data->update_lock);
switch (new_div) {
case 1: data->fan_div[nr] = 0; break;
case 2: data->fan_div[nr] = 1; break;
case 4: data->fan_div[nr] = 2; break;
case 8: data->fan_div[nr] = 3; break;
default:
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@ -241,7 +242,7 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
data->fan_preload[nr] = SENSORS_LIMIT(tmp, 0, 191);
smsc47m1_write_value(client, SMSC47M1_REG_FAN_PRELOAD(nr),
data->fan_preload[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -257,12 +258,12 @@ static ssize_t set_pwm(struct device *dev, const char *buf,
if (val < 0 || val > 255)
return -EINVAL;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm[nr] &= 0x81; /* Preserve additional bits */
data->pwm[nr] |= PWM_TO_REG(val);
smsc47m1_write_value(client, SMSC47M1_REG_PWM(nr),
data->pwm[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -278,12 +279,12 @@ static ssize_t set_pwm_en(struct device *dev, const char *buf,
if (val != 0 && val != 1)
return -EINVAL;
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm[nr] &= 0xFE; /* preserve the other bits */
data->pwm[nr] |= !val;
smsc47m1_write_value(client, SMSC47M1_REG_PWM(nr),
data->pwm[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -408,13 +409,13 @@ static int smsc47m1_detect(struct i2c_adapter *adapter)
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
new_client->adapter = adapter;
new_client->driver = &smsc47m1_driver;
new_client->flags = 0;
strlcpy(new_client->name, "smsc47m1", I2C_NAME_SIZE);
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* If no function is properly configured, there's no point in
actually registering the chip. */
@ -512,17 +513,17 @@ static int smsc47m1_read_value(struct i2c_client *client, u8 reg)
{
int res;
down(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
mutex_lock(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
res = inb_p(client->addr + reg);
up(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
mutex_unlock(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
return res;
}
static void smsc47m1_write_value(struct i2c_client *client, u8 reg, u8 value)
{
down(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
mutex_lock(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
outb_p(value, client->addr + reg);
up(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
mutex_unlock(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
}
static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
@ -531,7 +532,7 @@ static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
struct i2c_client *client = to_i2c_client(dev);
struct smsc47m1_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || init) {
int i;
@ -558,7 +559,7 @@ static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
data->last_updated = jiffies;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

33
drivers/hwmon/via686a.c
Просмотреть файл

@ -39,6 +39,7 @@
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <asm/io.h>
@ -296,7 +297,7 @@ static inline long TEMP_FROM_REG10(u16 val)
struct via686a_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -355,11 +356,11 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
struct via686a_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = IN_TO_REG(val, nr);
via686a_write_value(client, VIA686A_REG_IN_MIN(nr),
data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_in_max(struct device *dev, const char *buf,
@ -368,11 +369,11 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
struct via686a_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = IN_TO_REG(val, nr);
via686a_write_value(client, VIA686A_REG_IN_MAX(nr),
data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define show_in_offset(offset) \
@ -432,11 +433,11 @@ static ssize_t set_temp_over(struct device *dev, const char *buf,
struct via686a_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_over[nr] = TEMP_TO_REG(val);
via686a_write_value(client, VIA686A_REG_TEMP_OVER[nr],
data->temp_over[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_hyst(struct device *dev, const char *buf,
@ -445,11 +446,11 @@ static ssize_t set_temp_hyst(struct device *dev, const char *buf,
struct via686a_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_hyst[nr] = TEMP_TO_REG(val);
via686a_write_value(client, VIA686A_REG_TEMP_HYST[nr],
data->temp_hyst[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
#define show_temp_offset(offset) \
@ -508,10 +509,10 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
struct via686a_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
via686a_write_value(client, VIA686A_REG_FAN_MIN(nr+1), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_fan_div(struct device *dev, const char *buf,
@ -521,12 +522,12 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
int val = simple_strtol(buf, NULL, 10);
int old;
down(&data->update_lock);
mutex_lock(&data->update_lock);
old = via686a_read_value(client, VIA686A_REG_FANDIV);
data->fan_div[nr] = DIV_TO_REG(val);
old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
via686a_write_value(client, VIA686A_REG_FANDIV, old);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -639,7 +640,7 @@ static int via686a_detect(struct i2c_adapter *adapter)
strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
goto exit_free;
@ -733,7 +734,7 @@ static struct via686a_data *via686a_update_device(struct device *dev)
struct via686a_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -788,7 +789,7 @@ static struct via686a_data *via686a_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

51
drivers/hwmon/vt8231.c
Просмотреть файл

@ -35,6 +35,7 @@
#include <linux/hwmon-sysfs.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
static int force_addr;
@ -148,7 +149,7 @@ static inline u8 FAN_TO_REG(long rpm, int div)
struct vt8231_data {
struct i2c_client client;
struct semaphore update_lock;
struct mutex update_lock;
struct class_device *class_dev;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -223,10 +224,10 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[nr] = SENSORS_LIMIT(((val * 958) / 10000) + 3, 0, 255);
vt8231_write_value(client, regvoltmin[nr], data->in_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -239,10 +240,10 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[nr] = SENSORS_LIMIT(((val * 958) / 10000) + 3, 0, 255);
vt8231_write_value(client, regvoltmax[nr], data->in_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -281,11 +282,11 @@ static ssize_t set_in5_min(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_min[5] = SENSORS_LIMIT(((val * 958 * 34) / (10000 * 54)) + 3,
0, 255);
vt8231_write_value(client, regvoltmin[5], data->in_min[5]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -296,11 +297,11 @@ static ssize_t set_in5_max(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->in_max[5] = SENSORS_LIMIT(((val * 958 * 34) / (10000 * 54)) + 3,
0, 255);
vt8231_write_value(client, regvoltmax[5], data->in_max[5]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -351,10 +352,10 @@ static ssize_t set_temp0_max(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[0] = SENSORS_LIMIT((val + 500) / 1000, 0, 255);
vt8231_write_value(client, regtempmax[0], data->temp_max[0]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp0_min(struct device *dev, struct device_attribute *attr,
@ -364,10 +365,10 @@ static ssize_t set_temp0_min(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_min[0] = SENSORS_LIMIT((val + 500) / 1000, 0, 255);
vt8231_write_value(client, regtempmin[0], data->temp_min[0]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -407,10 +408,10 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_max[nr] = SENSORS_LIMIT(TEMP_MAXMIN_TO_REG(val), 0, 255);
vt8231_write_value(client, regtempmax[nr], data->temp_max[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
@ -422,10 +423,10 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
int val = simple_strtol(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->temp_min[nr] = SENSORS_LIMIT(TEMP_MAXMIN_TO_REG(val), 0, 255);
vt8231_write_value(client, regtempmin[nr], data->temp_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -520,10 +521,10 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
struct vt8231_data *data = i2c_get_clientdata(client);
int val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
vt8231_write_value(client, VT8231_REG_FAN_MIN(nr), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -539,7 +540,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
long min = FAN_FROM_REG(data->fan_min[nr],
DIV_FROM_REG(data->fan_div[nr]));
down(&data->update_lock);
mutex_lock(&data->update_lock);
switch (val) {
case 1: data->fan_div[nr] = 0; break;
case 2: data->fan_div[nr] = 1; break;
@ -548,7 +549,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
default:
dev_err(&client->dev, "fan_div value %ld not supported."
"Choose one of 1, 2, 4 or 8!\n", val);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
@ -558,7 +559,7 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
vt8231_write_value(client, VT8231_REG_FANDIV, old);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -660,7 +661,7 @@ int vt8231_detect(struct i2c_adapter *adapter)
/* Fill in the remaining client fields and put into the global list */
strlcpy(client->name, "vt8231", I2C_NAME_SIZE);
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(client)))
@ -745,7 +746,7 @@ static struct vt8231_data *vt8231_update_device(struct device *dev)
int i;
u16 low;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -804,7 +805,7 @@ static struct vt8231_data *vt8231_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

33
drivers/hwmon/w83627ehf.c
Просмотреть файл

@ -43,6 +43,7 @@
#include <linux/i2c-isa.h>
#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
#include "lm75.h"
@ -177,9 +178,9 @@ temp1_to_reg(int temp)
struct w83627ehf_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -230,7 +231,7 @@ static u16 w83627ehf_read_value(struct i2c_client *client, u16 reg)
struct w83627ehf_data *data = i2c_get_clientdata(client);
int res, word_sized = is_word_sized(reg);
down(&data->lock);
mutex_lock(&data->lock);
w83627ehf_set_bank(client, reg);
outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET);
@ -242,7 +243,7 @@ static u16 w83627ehf_read_value(struct i2c_client *client, u16 reg)
}
w83627ehf_reset_bank(client, reg);
up(&data->lock);
mutex_unlock(&data->lock);
return res;
}
@ -252,7 +253,7 @@ static int w83627ehf_write_value(struct i2c_client *client, u16 reg, u16 value)
struct w83627ehf_data *data = i2c_get_clientdata(client);
int word_sized = is_word_sized(reg);
down(&data->lock);
mutex_lock(&data->lock);
w83627ehf_set_bank(client, reg);
outb_p(reg & 0xff, client->addr + ADDR_REG_OFFSET);
@ -264,7 +265,7 @@ static int w83627ehf_write_value(struct i2c_client *client, u16 reg, u16 value)
outb_p(value & 0xff, client->addr + DATA_REG_OFFSET);
w83627ehf_reset_bank(client, reg);
up(&data->lock);
mutex_unlock(&data->lock);
return 0;
}
@ -322,7 +323,7 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
struct w83627ehf_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ)
|| !data->valid) {
@ -397,7 +398,7 @@ static struct w83627ehf_data *w83627ehf_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}
@ -434,7 +435,7 @@ store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
unsigned int reg;
u8 new_div;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (!val) {
/* No min limit, alarm disabled */
data->fan_min[nr] = 255;
@ -482,7 +483,7 @@ store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
}
w83627ehf_write_value(client, W83627EHF_REG_FAN_MIN[nr],
data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -561,11 +562,11 @@ store_temp1_##reg(struct device *dev, struct device_attribute *attr, \
struct w83627ehf_data *data = i2c_get_clientdata(client); \
u32 val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->temp1_##reg = temp1_to_reg(val); \
w83627ehf_write_value(client, W83627EHF_REG_TEMP1_##REG, \
data->temp1_##reg); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
store_temp1_reg(OVER, max);
@ -597,11 +598,11 @@ store_##reg (struct device *dev, const char *buf, size_t count, int nr) \
struct w83627ehf_data *data = i2c_get_clientdata(client); \
u32 val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->reg[nr] = LM75_TEMP_TO_REG(val); \
w83627ehf_write_value(client, W83627EHF_REG_TEMP_##REG[nr], \
data->reg[nr]); \
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
store_temp_reg(OVER, temp_max);
@ -689,14 +690,14 @@ static int w83627ehf_detect(struct i2c_adapter *adapter)
client = &data->client;
i2c_set_clientdata(client, data);
client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
client->adapter = adapter;
client->driver = &w83627ehf_driver;
client->flags = 0;
strlcpy(client->name, "w83627ehf", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the i2c layer a new client has arrived */
if ((err = i2c_attach_client(client)))

57
drivers/hwmon/w83627hf.c
Просмотреть файл

@ -46,6 +46,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
#include "lm75.h"
@ -285,10 +286,10 @@ static inline u8 DIV_TO_REG(long val)
struct w83627hf_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -360,12 +361,12 @@ store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
\
val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \
data->in_##reg[nr]); \
\
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
store_in_reg(MIN, min)
@ -451,7 +452,7 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if ((data->vrm_ovt & 0x01) &&
(w83627thf == data->type || w83637hf == data->type))
@ -465,7 +466,7 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a
data->in_min[0] = IN_TO_REG(val);
w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -478,7 +479,7 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if ((data->vrm_ovt & 0x01) &&
(w83627thf == data->type || w83637hf == data->type))
@ -492,7 +493,7 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a
data->in_max[0] = IN_TO_REG(val);
w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -529,13 +530,13 @@ store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr - 1] =
FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr),
data->fan_min[nr - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -597,7 +598,7 @@ store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
\
val = simple_strtoul(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
\
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
@ -609,7 +610,7 @@ store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
data->temp_##reg); \
} \
\
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
store_temp_reg(OVER, max);
@ -718,7 +719,7 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
data->beep_mask = BEEP_MASK_TO_REG(val);
@ -736,7 +737,7 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
w83627hf_write_value(client, W83781D_REG_BEEP_INTS2,
val2 | data->beep_enable << 7);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -783,7 +784,7 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
u8 reg;
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr],
@ -805,7 +806,7 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -848,7 +849,7 @@ store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (data->type == w83627thf) {
/* bits 0-3 are reserved in 627THF */
@ -865,7 +866,7 @@ store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
data->pwm[nr - 1]);
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -907,7 +908,7 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
switch (val) {
case 1: /* PII/Celeron diode */
@ -941,7 +942,7 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
break;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1057,7 +1058,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
new_client->adapter = adapter;
new_client->driver = &w83627hf_driver;
new_client->flags = 0;
@ -1077,7 +1078,7 @@ static int w83627hf_detect(struct i2c_adapter *adapter)
strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -1187,7 +1188,7 @@ static int w83627hf_read_value(struct i2c_client *client, u16 reg)
struct w83627hf_data *data = i2c_get_clientdata(client);
int res, word_sized;
down(&data->lock);
mutex_lock(&data->lock);
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
&& (((reg & 0x00ff) == 0x50)
@ -1213,7 +1214,7 @@ static int w83627hf_read_value(struct i2c_client *client, u16 reg)
client->addr + W83781D_ADDR_REG_OFFSET);
outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
}
up(&data->lock);
mutex_unlock(&data->lock);
return res;
}
@ -1252,7 +1253,7 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
struct w83627hf_data *data = i2c_get_clientdata(client);
int word_sized;
down(&data->lock);
mutex_lock(&data->lock);
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
&& (((reg & 0x00ff) == 0x53)
@ -1277,7 +1278,7 @@ static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
client->addr + W83781D_ADDR_REG_OFFSET);
outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
}
up(&data->lock);
mutex_unlock(&data->lock);
return 0;
}
@ -1387,7 +1388,7 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
struct w83627hf_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -1470,7 +1471,7 @@ static struct w83627hf_data *w83627hf_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

55
drivers/hwmon/w83781d.c
Просмотреть файл

@ -42,6 +42,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <asm/io.h>
#include "lm75.h"
@ -226,10 +227,10 @@ DIV_TO_REG(long val, enum chips type)
struct w83781d_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore lock;
struct mutex lock;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -311,11 +312,11 @@ static ssize_t store_in_##reg (struct device *dev, const char *buf, size_t count
\
val = simple_strtoul(buf, NULL, 10) / 10; \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
data->in_##reg[nr] = IN_TO_REG(val); \
w83781d_write_value(client, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
\
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
store_in_reg(MIN, min);
@ -381,13 +382,13 @@ store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->fan_min[nr - 1] =
FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
w83781d_write_value(client, W83781D_REG_FAN_MIN(nr),
data->fan_min[nr - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -446,7 +447,7 @@ static ssize_t store_temp_##reg (struct device *dev, const char *buf, size_t cou
\
val = simple_strtol(buf, NULL, 10); \
\
down(&data->update_lock); \
mutex_lock(&data->update_lock); \
\
if (nr >= 2) { /* TEMP2 and TEMP3 */ \
data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
@ -458,7 +459,7 @@ static ssize_t store_temp_##reg (struct device *dev, const char *buf, size_t cou
data->temp_##reg); \
} \
\
up(&data->update_lock); \
mutex_unlock(&data->update_lock); \
return count; \
}
store_temp_reg(OVER, max);
@ -571,7 +572,7 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
data->beep_mask = BEEP_MASK_TO_REG(val, data->type);
@ -592,7 +593,7 @@ store_beep_reg(struct device *dev, const char *buf, size_t count,
w83781d_write_value(client, W83781D_REG_BEEP_INTS2,
val2 | data->beep_enable << 7);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -637,7 +638,7 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
u8 reg;
unsigned long val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
/* Save fan_min */
min = FAN_FROM_REG(data->fan_min[nr],
@ -662,7 +663,7 @@ store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
w83781d_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -709,10 +710,10 @@ store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
data->pwm[nr - 1] = PWM_TO_REG(val);
w83781d_write_value(client, W83781D_REG_PWM(nr), data->pwm[nr - 1]);
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -725,7 +726,7 @@ store_pwmenable_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
switch (val) {
case 0:
@ -742,11 +743,11 @@ store_pwmenable_reg(struct device *dev, const char *buf, size_t count, int nr)
break;
default:
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return -EINVAL;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -808,7 +809,7 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
val = simple_strtoul(buf, NULL, 10);
down(&data->update_lock);
mutex_lock(&data->update_lock);
switch (val) {
case 1: /* PII/Celeron diode */
@ -841,7 +842,7 @@ store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
break;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return count;
}
@ -1073,7 +1074,7 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
new_client = &data->client;
i2c_set_clientdata(new_client, data);
new_client->addr = address;
init_MUTEX(&data->lock);
mutex_init(&data->lock);
new_client->adapter = adapter;
new_client->driver = is_isa ? &w83781d_isa_driver : &w83781d_driver;
new_client->flags = 0;
@ -1178,7 +1179,7 @@ w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@ -1325,7 +1326,7 @@ w83781d_read_value(struct i2c_client *client, u16 reg)
int res, word_sized, bank;
struct i2c_client *cl;
down(&data->lock);
mutex_lock(&data->lock);
if (i2c_is_isa_client(client)) {
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
@ -1383,7 +1384,7 @@ w83781d_read_value(struct i2c_client *client, u16 reg)
if (bank > 2)
i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
}
up(&data->lock);
mutex_unlock(&data->lock);
return res;
}
@ -1394,7 +1395,7 @@ w83781d_write_value(struct i2c_client *client, u16 reg, u16 value)
int word_sized, bank;
struct i2c_client *cl;
down(&data->lock);
mutex_lock(&data->lock);
if (i2c_is_isa_client(client)) {
word_sized = (((reg & 0xff00) == 0x100)
|| ((reg & 0xff00) == 0x200))
@ -1447,7 +1448,7 @@ w83781d_write_value(struct i2c_client *client, u16 reg, u16 value)
if (bank > 2)
i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
}
up(&data->lock);
mutex_unlock(&data->lock);
return 0;
}
@ -1533,7 +1534,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
struct w83781d_data *data = i2c_get_clientdata(client);
int i;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
|| !data->valid) {
@ -1641,7 +1642,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}

9
drivers/hwmon/w83792d.c
Просмотреть файл

@ -43,6 +43,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* Addresses to scan */
static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
@ -271,7 +272,7 @@ struct w83792d_data {
struct class_device *class_dev;
enum chips type;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* !=0 if following fields are valid */
unsigned long last_updated; /* In jiffies */
@ -1222,7 +1223,7 @@ w83792d_detect(struct i2c_adapter *adapter, int address, int kind)
data->type = kind;
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(client)))
@ -1373,7 +1374,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
int i, j;
u8 reg_array_tmp[4], pwm_array_tmp[7], reg_tmp;
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (time_after
(jiffies - data->last_updated, (unsigned long) (HZ * 3))
@ -1484,7 +1485,7 @@ static struct w83792d_data *w83792d_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
#ifdef DEBUG
w83792d_print_debug(data, dev);

9
drivers/hwmon/w83l785ts.c
Просмотреть файл

@ -39,6 +39,7 @@
#include <linux/hwmon.h>
#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
/* How many retries on register read error */
#define MAX_RETRIES 5
@ -107,7 +108,7 @@ static struct i2c_driver w83l785ts_driver = {
struct w83l785ts_data {
struct i2c_client client;
struct class_device *class_dev;
struct semaphore update_lock;
struct mutex update_lock;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
@ -221,7 +222,7 @@ static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
/* We can fill in the remaining client fields. */
strlcpy(new_client->name, "w83l785ts", I2C_NAME_SIZE);
data->valid = 0;
init_MUTEX(&data->update_lock);
mutex_init(&data->update_lock);
/* Default values in case the first read fails (unlikely). */
data->temp[1] = data->temp[0] = 0;
@ -299,7 +300,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct w83l785ts_data *data = i2c_get_clientdata(client);
down(&data->update_lock);
mutex_lock(&data->update_lock);
if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
dev_dbg(&client->dev, "Updating w83l785ts data.\n");
@ -312,7 +313,7 @@ static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
data->valid = 1;
}
up(&data->update_lock);
mutex_unlock(&data->update_lock);
return data;
}