From 9a61bf6300533d3b64d7ff29adfec00e596de67d Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Wed, 18 Jan 2006 23:19:26 +0100 Subject: [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 Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/lm92.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) (limited to 'drivers/hwmon/lm92.c') diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c index b0c4cb7..197f772 100644 --- a/drivers/hwmon/lm92.c +++ b/drivers/hwmon/lm92.c @@ -46,6 +46,7 @@ #include #include #include +#include /* The LM92 and MAX6635 have 2 two-state pins for address selection, resulting in 4 possible addresses. */ @@ -96,7 +97,7 @@ static struct i2c_driver lm92_driver; struct lm92_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 */ @@ -114,7 +115,7 @@ static struct lm92_data *lm92_update_device(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct lm92_data *data = i2c_get_clientdata(client); - down(&data->update_lock); + mutex_lock(&data->update_lock); if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { @@ -134,7 +135,7 @@ static struct lm92_data *lm92_update_device(struct device *dev) data->valid = 1; } - up(&data->update_lock); + mutex_unlock(&data->update_lock); return data; } @@ -158,10 +159,10 @@ static ssize_t set_##value(struct device *dev, struct device_attribute *attr, co struct lm92_data *data = i2c_get_clientdata(client); \ long val = simple_strtol(buf, NULL, 10); \ \ - down(&data->update_lock); \ + mutex_lock(&data->update_lock); \ data->value = TEMP_TO_REG(val); \ i2c_smbus_write_word_data(client, reg, swab16(data->value)); \ - up(&data->update_lock); \ + mutex_unlock(&data->update_lock); \ return count; \ } set_temp(temp1_crit, LM92_REG_TEMP_CRIT); @@ -194,11 +195,11 @@ static ssize_t set_temp1_crit_hyst(struct device *dev, struct device_attribute * struct lm92_data *data = i2c_get_clientdata(client); long val = simple_strtol(buf, NULL, 10); - down(&data->update_lock); + mutex_lock(&data->update_lock); data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val; i2c_smbus_write_word_data(client, LM92_REG_TEMP_HYST, swab16(TEMP_TO_REG(data->temp1_hyst))); - up(&data->update_lock); + mutex_unlock(&data->update_lock); return count; } @@ -348,7 +349,7 @@ static int lm92_detect(struct i2c_adapter *adapter, int address, int kind) /* 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 subsystem a new client has arrived */ if ((err = i2c_attach_client(new_client))) -- cgit v1.1