diff options
Diffstat (limited to 'drivers/hwmon/lm90.c')
| -rw-r--r-- | drivers/hwmon/lm90.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index c1f528e292f3..3c10a5066b53 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -108,7 +108,6 @@ #include <linux/hwmon.h> #include <linux/kstrtox.h> #include <linux/module.h> -#include <linux/mutex.h> #include <linux/of.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> @@ -735,7 +734,6 @@ struct lm90_data { struct hwmon_channel_info temp_info; const struct hwmon_channel_info *info[3]; struct hwmon_chip_info chip; - struct mutex update_lock; struct delayed_work alert_work; struct work_struct report_work; bool valid; /* true if register values are valid */ @@ -1226,9 +1224,9 @@ static int lm90_update_alarms(struct lm90_data *data, bool force) { int err; - mutex_lock(&data->update_lock); + hwmon_lock(data->hwmon_dev); err = lm90_update_alarms_locked(data, force); - mutex_unlock(&data->update_lock); + hwmon_unlock(data->hwmon_dev); return err; } @@ -1519,9 +1517,7 @@ static int lm90_temp_read(struct device *dev, u32 attr, int channel, long *val) int err; u16 bit; - mutex_lock(&data->update_lock); err = lm90_update_device(dev); - mutex_unlock(&data->update_lock); if (err) return err; @@ -1590,11 +1586,9 @@ static int lm90_temp_write(struct device *dev, u32 attr, int channel, long val) struct lm90_data *data = dev_get_drvdata(dev); int err; - mutex_lock(&data->update_lock); - err = lm90_update_device(dev); if (err) - goto error; + return err; switch (attr) { case hwmon_temp_min: @@ -1624,9 +1618,6 @@ static int lm90_temp_write(struct device *dev, u32 attr, int channel, long val) err = -EOPNOTSUPP; break; } -error: - mutex_unlock(&data->update_lock); - return err; } @@ -1662,9 +1653,7 @@ static int lm90_chip_read(struct device *dev, u32 attr, int channel, long *val) struct lm90_data *data = dev_get_drvdata(dev); int err; - mutex_lock(&data->update_lock); err = lm90_update_device(dev); - mutex_unlock(&data->update_lock); if (err) return err; @@ -1710,11 +1699,9 @@ static int lm90_chip_write(struct device *dev, u32 attr, int channel, long val) struct i2c_client *client = data->client; int err; - mutex_lock(&data->update_lock); - err = lm90_update_device(dev); if (err) - goto error; + return err; switch (attr) { case hwmon_chip_update_interval: @@ -1728,9 +1715,6 @@ static int lm90_chip_write(struct device *dev, u32 attr, int channel, long val) err = -EOPNOTSUPP; break; } -error: - mutex_unlock(&data->update_lock); - return err; } @@ -2793,7 +2777,6 @@ static int lm90_probe(struct i2c_client *client) data->client = client; i2c_set_clientdata(client, data); - mutex_init(&data->update_lock); INIT_DELAYED_WORK(&data->alert_work, lm90_alert_work); INIT_WORK(&data->report_work, lm90_report_alarms); |