diff options
Diffstat (limited to 'drivers/hwmon/ltc4245.c')
| -rw-r--r-- | drivers/hwmon/ltc4245.c | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/hwmon/ltc4245.c b/drivers/hwmon/ltc4245.c index 14593bc81e85..e8131a48bda7 100644 --- a/drivers/hwmon/ltc4245.c +++ b/drivers/hwmon/ltc4245.c @@ -18,7 +18,6 @@ #include <linux/slab.h> #include <linux/i2c.h> #include <linux/hwmon.h> -#include <linux/hwmon-sysfs.h> #include <linux/jiffies.h> #include <linux/platform_data/ltc4245.h> @@ -51,7 +50,6 @@ enum ltc4245_cmd { struct ltc4245_data { struct i2c_client *client; - struct mutex update_lock; bool valid; unsigned long last_updated; /* in jiffies */ @@ -132,10 +130,7 @@ static struct ltc4245_data *ltc4245_update_device(struct device *dev) s32 val; int i; - mutex_lock(&data->update_lock); - if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { - /* Read control registers -- 0x00 to 0x07 */ for (i = 0; i < ARRAY_SIZE(data->cregs); i++) { val = i2c_smbus_read_byte_data(client, i); @@ -161,8 +156,6 @@ static struct ltc4245_data *ltc4245_update_device(struct device *dev) data->valid = true; } - mutex_unlock(&data->update_lock); - return data; } @@ -454,7 +447,6 @@ static int ltc4245_probe(struct i2c_client *client) return -ENOMEM; data->client = client; - mutex_init(&data->update_lock); data->use_extra_gpios = ltc4245_use_extra_gpios(client); /* Initialize the LTC4245 chip */ |