diff options
Diffstat (limited to 'drivers/hwmon/pc87360.c')
-rw-r--r-- | drivers/hwmon/pc87360.c | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c index 2de6932..ae05e48 100644 --- a/drivers/hwmon/pc87360.c +++ b/drivers/hwmon/pc87360.c @@ -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; } |