#include <linux/hwmon.h>
#include <linux/err.h>
#include <linux/init.h>
+#include <linux/mutex.h>
#include <asm/io.h>
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 */
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,
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) \
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,
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) \
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,
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;
}
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;
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) {
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}