diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-01-18 23:19:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-23 23:21:52 +0100 |
| commit | 9a61bf6300533d3b64d7ff29adfec00e596de67d (patch) | |
| tree | cadce1ae78b51a1dc4c4414699cb590e8c8625e1 /drivers/hwmon/lm75.c | |
| parent | [PATCH] i2c: Semaphore to mutex conversions, part 3 (diff) | |
| download | linux-9a61bf6300533d3b64d7ff29adfec00e596de67d.tar.xz linux-9a61bf6300533d3b64d7ff29adfec00e596de67d.zip | |
[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/lm75.c')
| -rw-r--r-- | drivers/hwmon/lm75.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 74ca2c8c61c3..fc25b90ec24a 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -25,6 +25,7 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/err.h> +#include <linux/mutex.h> #include "lm75.h" @@ -47,7 +48,7 @@ I2C_CLIENT_INSMOD_1(lm75); struct lm75_data { struct i2c_client client; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ u16 temp_input; /* Register values */ @@ -91,10 +92,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co struct lm75_data *data = i2c_get_clientdata(client); \ int temp = simple_strtoul(buf, NULL, 10); \ \ - down(&data->update_lock); \ + mutex_lock(&data->update_lock); \ data->value = LM75_TEMP_TO_REG(temp); \ lm75_write_value(client, reg, data->value); \ - up(&data->update_lock); \ + mutex_unlock(&data->update_lock); \ return count; \ } set(temp_max, LM75_REG_TEMP_OS); @@ -188,7 +189,7 @@ static int lm75_detect(struct i2c_adapter *adapter, int address, int kind) /* Fill in the remaining client fields and put it into the global list */ 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))) @@ -264,7 +265,7 @@ static struct lm75_data *lm75_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct lm75_data *data = i2c_get_clientdata(client); - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || !data->valid) { @@ -277,7 +278,7 @@ static struct lm75_data *lm75_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } |