diff options
author | Ingo Molnar <mingo@elte.hu> | 2006-01-18 22:19:26 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-23 22:21:52 (GMT) |
commit | 9a61bf6300533d3b64d7ff29adfec00e596de67d (patch) | |
tree | cadce1ae78b51a1dc4c4414699cb590e8c8625e1 /drivers/hwmon/lm77.c | |
parent | 3fb9a65529615944138d527b70174840c95c637a (diff) | |
download | linux-9a61bf6300533d3b64d7ff29adfec00e596de67d.tar.xz |
[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/lm77.c')
-rw-r--r-- | drivers/hwmon/lm77.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c index df9e02a..459cc97 100644 --- a/drivers/hwmon/lm77.c +++ b/drivers/hwmon/lm77.c @@ -32,6 +32,7 @@ #include <linux/i2c.h> #include <linux/hwmon.h> #include <linux/err.h> +#include <linux/mutex.h> /* Addresses to scan */ static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END }; @@ -51,7 +52,7 @@ I2C_CLIENT_INSMOD_1(lm77); struct lm77_data { struct i2c_client client; struct class_device *class_dev; - struct semaphore update_lock; + struct mutex update_lock; char valid; unsigned long last_updated; /* In jiffies */ int temp_input; /* Temperatures */ @@ -139,10 +140,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co struct lm77_data *data = i2c_get_clientdata(client); \ long val = simple_strtoul(buf, NULL, 10); \ \ - down(&data->update_lock); \ + mutex_lock(&data->update_lock); \ data->value = val; \ lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value)); \ - up(&data->update_lock); \ + mutex_unlock(&data->update_lock); \ return count; \ } @@ -157,11 +158,11 @@ static ssize_t set_temp_crit_hyst(struct device *dev, struct device_attribute *a struct lm77_data *data = i2c_get_clientdata(client); unsigned long val = simple_strtoul(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp_hyst = data->temp_crit - val; lm77_write_value(client, LM77_REG_TEMP_HYST, LM77_TEMP_TO_REG(data->temp_hyst)); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -173,7 +174,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, long val = simple_strtoul(buf, NULL, 10); int oldcrithyst; - down(&data->update_lock); + mutex_lock(&data->update_lock); oldcrithyst = data->temp_crit - data->temp_hyst; data->temp_crit = val; data->temp_hyst = data->temp_crit - oldcrithyst; @@ -181,7 +182,7 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr, LM77_TEMP_TO_REG(data->temp_crit)); lm77_write_value(client, LM77_REG_TEMP_HYST, LM77_TEMP_TO_REG(data->temp_hyst)); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -306,7 +307,7 @@ static int lm77_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))) @@ -380,7 +381,7 @@ static struct lm77_data *lm77_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct lm77_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) { @@ -406,7 +407,7 @@ static struct lm77_data *lm77_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } |