[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>
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index 7389a01..095e58a 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -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_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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
| (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 @@
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 @@
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 @@
(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 @@
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 @@
(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 @@
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 @@
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 @@
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 @@
/* 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 @@
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 @@
data->valid = 1;
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}