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[PATCH] hwmon: Semaphore to mutex conversions

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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
committed by Greg Kroah-Hartman
parent 3fb9a65529
commit 9a61bf6300
36 changed files with 632 additions and 596 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/hwmon/lm83.c
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@ -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;
}