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path: root/drivers/hwmon/jc42.c
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Diffstat (limited to 'drivers/hwmon/jc42.c')
-rw-r--r--drivers/hwmon/jc42.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 06f0ab2f52fa..6549dc543781 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -19,7 +19,6 @@
#include <linux/i2c.h>
#include <linux/hwmon.h>
#include <linux/err.h>
-#include <linux/mutex.h>
#include <linux/regmap.h>
/* Addresses to scan */
@@ -179,7 +178,6 @@ static struct jc42_chips jc42_chips[] = {
/* Each client has this additional data */
struct jc42_data {
- struct mutex update_lock; /* protect register access */
struct regmap *regmap;
bool extended; /* true if extended range supported */
bool valid;
@@ -216,8 +214,6 @@ static int jc42_read(struct device *dev, enum hwmon_sensor_types type,
unsigned int regval;
int ret, temp, hyst;
- mutex_lock(&data->update_lock);
-
switch (attr) {
case hwmon_temp_input:
ret = regmap_read(data->regmap, JC42_REG_TEMP, &regval);
@@ -295,8 +291,6 @@ static int jc42_read(struct device *dev, enum hwmon_sensor_types type,
break;
}
- mutex_unlock(&data->update_lock);
-
return ret;
}
@@ -308,8 +302,6 @@ static int jc42_write(struct device *dev, enum hwmon_sensor_types type,
int diff, hyst;
int ret;
- mutex_lock(&data->update_lock);
-
switch (attr) {
case hwmon_temp_min:
ret = regmap_write(data->regmap, JC42_REG_TEMP_LOWER,
@@ -356,8 +348,6 @@ static int jc42_write(struct device *dev, enum hwmon_sensor_types type,
break;
}
- mutex_unlock(&data->update_lock);
-
return ret;
}
@@ -498,7 +488,6 @@ static int jc42_probe(struct i2c_client *client)
return PTR_ERR(data->regmap);
i2c_set_clientdata(client, data);
- mutex_init(&data->update_lock);
ret = regmap_read(data->regmap, JC42_REG_CAP, &cap);
if (ret)