[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/fscher.c b/drivers/hwmon/fscher.c
index 2540918..6bc76b4 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 @@
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 @@
* 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 @@
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 @@
data->valid = 1;
}
- up(&data->update_lock);
+ mutex_unlock(&data->update_lock);
return data;
}
@@ -472,10 +473,10 @@
/* 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 @@
{
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 @@
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 @@
/* 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 @@
/* 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 @@
/* 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 @@
/* 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 @@
{
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;
}