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authorIngo Molnar <mingo@elte.hu>2006-01-18 23:19:26 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:21:52 -0800
commit9a61bf6300533d3b64d7ff29adfec00e596de67d (patch)
treecadce1ae78b51a1dc4c4414699cb590e8c8625e1 /drivers/hwmon/fscher.c
parent3fb9a65529615944138d527b70174840c95c637a (diff)
[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>
Diffstat (limited to 'drivers/hwmon/fscher.c')
-rw-r--r--drivers/hwmon/fscher.c41
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/hwmon/fscher.c b/drivers/hwmon/fscher.c
index 25409181d1eb..6bc76b407636 100644
--- a/drivers/hwmon/fscher.c
+++ b/drivers/hwmon/fscher.c
@@ -33,6 +33,7 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
+#include <linux/mutex.h>
/*
* Addresses to scan
@@ -133,7 +134,7 @@ static struct i2c_driver fscher_driver = {
struct fscher_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 */
@@ -332,7 +333,7 @@ static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
* global list */
strlcpy(new_client->name, "fscher", 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)))
@@ -417,7 +418,7 @@ static struct fscher_data *fscher_update_device(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct fscher_data *data = i2c_get_clientdata(client);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
@@ -457,7 +458,7 @@ static struct fscher_data *fscher_update_device(struct device *dev)
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}
@@ -472,10 +473,10 @@ static ssize_t set_fan_status(struct i2c_client *client, struct fscher_data *dat
/* bits 0..1, 3..7 reserved => mask with 0x04 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x04;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->fan_status[FAN_INDEX_FROM_NUM(nr)] &= ~v;
fscher_write_value(client, reg, v);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -490,10 +491,10 @@ static ssize_t set_pwm(struct i2c_client *client, struct fscher_data *data,
{
unsigned long v = simple_strtoul(buf, NULL, 10);
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->fan_min[FAN_INDEX_FROM_NUM(nr)] = v > 0xff ? 0xff : v;
fscher_write_value(client, reg, data->fan_min[FAN_INDEX_FROM_NUM(nr)]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -518,14 +519,14 @@ static ssize_t set_fan_div(struct i2c_client *client, struct fscher_data *data,
return -EINVAL;
}
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
/* bits 2..7 reserved => mask with 0x03 */
data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] &= ~0x03;
data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] |= v;
fscher_write_value(client, reg, data->fan_ripple[FAN_INDEX_FROM_NUM(nr)]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -552,10 +553,10 @@ static ssize_t set_temp_status(struct i2c_client *client, struct fscher_data *da
/* bits 2..7 reserved, 0 read only => mask with 0x02 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->temp_status[TEMP_INDEX_FROM_NUM(nr)] &= ~v;
fscher_write_value(client, reg, v);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -609,10 +610,10 @@ static ssize_t set_control(struct i2c_client *client, struct fscher_data *data,
/* bits 1..7 reserved => mask with 0x01 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x01;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->global_control &= ~v;
fscher_write_value(client, reg, v);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -631,11 +632,11 @@ static ssize_t set_watchdog_control(struct i2c_client *client, struct
/* bits 0..3 reserved => mask with 0xf0 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->watchdog[2] &= ~0xf0;
data->watchdog[2] |= v;
fscher_write_value(client, reg, data->watchdog[2]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -651,10 +652,10 @@ static ssize_t set_watchdog_status(struct i2c_client *client, struct fscher_data
/* bits 0, 2..7 reserved => mask with 0x02 */
unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->watchdog[1] &= ~v;
fscher_write_value(client, reg, v);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}
@@ -669,10 +670,10 @@ static ssize_t set_watchdog_preset(struct i2c_client *client, struct fscher_data
{
unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
- down(&data->update_lock);
+ mutex_lock(&data->update_lock);
data->watchdog[0] = v;
fscher_write_value(client, reg, data->watchdog[0]);
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return count;
}