#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;
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 */
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);
else
gl520_write_value(client, reg, r);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
else
r = IN_TO_REG(v);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->in_max[n] = r;
else
gl520_write_value(client, reg, r);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
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;
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;
}
return -EINVAL;
}
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->fan_div[n - 1] = r;
if (n == 1)
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;
}
{
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;
}
{
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;
}
{
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;
}
{
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;
}
{
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;
}
/* 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)))
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) {
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}