diff options
Diffstat (limited to 'drivers/hwmon/lm95241.c')
| -rw-r--r-- | drivers/hwmon/lm95241.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c index cad0a0ff8416..456381b0938e 100644 --- a/drivers/hwmon/lm95241.c +++ b/drivers/hwmon/lm95241.c @@ -15,7 +15,6 @@ #include <linux/jiffies.h> #include <linux/hwmon.h> #include <linux/module.h> -#include <linux/mutex.h> #include <linux/slab.h> #define DEVNAME "lm95241" @@ -75,7 +74,6 @@ static const u8 lm95241_reg_address[] = { /* Client data (each client gets its own) */ struct lm95241_data { struct i2c_client *client; - struct mutex update_lock; unsigned long last_updated; /* in jiffies */ unsigned long interval; /* in milli-seconds */ bool valid; /* false until following fields are valid */ @@ -102,8 +100,6 @@ static struct lm95241_data *lm95241_update_device(struct device *dev) struct lm95241_data *data = dev_get_drvdata(dev); struct i2c_client *client = data->client; - mutex_lock(&data->update_lock); - if (time_after(jiffies, data->last_updated + msecs_to_jiffies(data->interval)) || !data->valid) { @@ -120,9 +116,6 @@ static struct lm95241_data *lm95241_update_device(struct device *dev) data->last_updated = jiffies; data->valid = true; } - - mutex_unlock(&data->update_lock); - return data; } @@ -204,8 +197,6 @@ static int lm95241_write_chip(struct device *dev, u32 attr, int channel, u8 config; int ret; - mutex_lock(&data->update_lock); - switch (attr) { case hwmon_chip_update_interval: config = data->config & ~CFG_CRMASK; @@ -231,7 +222,6 @@ static int lm95241_write_chip(struct device *dev, u32 attr, int channel, ret = -EOPNOTSUPP; break; } - mutex_unlock(&data->update_lock); return ret; } @@ -242,8 +232,6 @@ static int lm95241_write_temp(struct device *dev, u32 attr, int channel, struct i2c_client *client = data->client; int ret; - mutex_lock(&data->update_lock); - switch (attr) { case hwmon_temp_min: if (channel == 1) { @@ -313,9 +301,6 @@ static int lm95241_write_temp(struct device *dev, u32 attr, int channel, ret = -EOPNOTSUPP; break; } - - mutex_unlock(&data->update_lock); - return ret; } @@ -443,7 +428,6 @@ static int lm95241_probe(struct i2c_client *client) return -ENOMEM; data->client = client; - mutex_init(&data->update_lock); /* Initialize the LM95241 chip */ lm95241_init_client(client, data); |