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Diffstat (limited to 'drivers/hwmon/adm9240.c')
-rw-r--r--drivers/hwmon/adm9240.c86
1 files changed, 51 insertions, 35 deletions
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 3f63f5f9741d..c3c2865a8967 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -1,12 +1,12 @@
/*
* adm9240.c Part of lm_sensors, Linux kernel modules for hardware
- * monitoring
+ * monitoring
*
* Copyright (C) 1999 Frodo Looijaard <frodol@dds.nl>
* Philip Edelbrock <phil@netroedge.com>
* Copyright (C) 2003 Michiel Rook <michiel@grendelproject.nl>
* Copyright (C) 2005 Grant Coady <gcoady.lk@gmail.com> with valuable
- * guidance from Jean Delvare
+ * guidance from Jean Delvare
*
* Driver supports Analog Devices ADM9240
* Dallas Semiconductor DS1780
@@ -204,7 +204,12 @@ static ssize_t set_max(struct device *dev, struct device_attribute *devattr,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->temp_max[attr->index] = TEMP_TO_REG(val);
@@ -255,7 +260,12 @@ static ssize_t set_in_min(struct device *dev,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_min[attr->index] = IN_TO_REG(val, attr->index);
@@ -272,7 +282,12 @@ static ssize_t set_in_max(struct device *dev,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->in_max[attr->index] = IN_TO_REG(val, attr->index);
@@ -283,7 +298,7 @@ static ssize_t set_in_max(struct device *dev,
}
#define vin(nr) \
-static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \
+static SENSOR_DEVICE_ATTR(in##nr##_input, S_IRUGO, \
show_in, NULL, nr); \
static SENSOR_DEVICE_ATTR(in##nr##_min, S_IRUGO | S_IWUSR, \
show_in_min, set_in_min, nr); \
@@ -357,9 +372,14 @@ static ssize_t set_fan_min(struct device *dev,
struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtoul(buf, NULL, 10);
int nr = attr->index;
u8 new_div;
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
@@ -465,7 +485,12 @@ static ssize_t set_aout(struct device *dev,
{
struct i2c_client *client = to_i2c_client(dev);
struct adm9240_data *data = i2c_get_clientdata(client);
- unsigned long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
mutex_lock(&data->update_lock);
data->aout = AOUT_TO_REG(val);
@@ -481,7 +506,12 @@ static ssize_t chassis_clear_legacy(struct device *dev,
const char *buf, size_t count)
{
struct i2c_client *client = to_i2c_client(dev);
- unsigned long val = simple_strtol(buf, NULL, 10);
+ long val;
+ int err;
+
+ err = kstrtol(buf, 10, &val);
+ if (err)
+ return err;
dev_warn(dev, "Attribute chassis_clear is deprecated, "
"use intrusion0_alarm instead\n");
@@ -632,7 +662,8 @@ static int adm9240_probe(struct i2c_client *new_client,
adm9240_init_client(new_client);
/* populate sysfs filesystem */
- if ((err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group)))
+ err = sysfs_create_group(&new_client->dev.kobj, &adm9240_group);
+ if (err)
goto exit_free;
data->hwmon_dev = hwmon_device_register(&new_client->dev);
@@ -681,8 +712,7 @@ static void adm9240_init_client(struct i2c_client *client)
} else { /* cold start: open limits before starting chip */
int i;
- for (i = 0; i < 6; i++)
- {
+ for (i = 0; i < 6; i++) {
i2c_smbus_write_byte_data(client,
ADM9240_REG_IN_MIN(i), 0);
i2c_smbus_write_byte_data(client,
@@ -717,8 +747,7 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
if (time_after(jiffies, data->last_updated_measure + (HZ * 7 / 4))
|| !data->valid) {
- for (i = 0; i < 6; i++) /* read voltages */
- {
+ for (i = 0; i < 6; i++) { /* read voltages */
data->in[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN(i));
}
@@ -727,16 +756,17 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
i2c_smbus_read_byte_data(client,
ADM9240_REG_INT(1)) << 8;
- /* read temperature: assume temperature changes less than
+ /*
+ * read temperature: assume temperature changes less than
* 0.5'C per two measurement cycles thus ignore possible
- * but unlikely aliasing error on lsb reading. --Grant */
+ * but unlikely aliasing error on lsb reading. --Grant
+ */
data->temp = ((i2c_smbus_read_byte_data(client,
ADM9240_REG_TEMP) << 8) |
i2c_smbus_read_byte_data(client,
ADM9240_REG_TEMP_CONF)) / 128;
- for (i = 0; i < 2; i++) /* read fans */
- {
+ for (i = 0; i < 2; i++) { /* read fans */
data->fan[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_FAN(i));
@@ -760,15 +790,13 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
if (time_after(jiffies, data->last_updated_config + (HZ * 300))
|| !data->valid) {
- for (i = 0; i < 6; i++)
- {
+ for (i = 0; i < 6; i++) {
data->in_min[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN_MIN(i));
data->in_max[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_IN_MAX(i));
}
- for (i = 0; i < 2; i++)
- {
+ for (i = 0; i < 2; i++) {
data->fan_min[i] = i2c_smbus_read_byte_data(client,
ADM9240_REG_FAN_MIN(i));
}
@@ -795,21 +823,9 @@ static struct adm9240_data *adm9240_update_device(struct device *dev)
return data;
}
-static int __init sensors_adm9240_init(void)
-{
- return i2c_add_driver(&adm9240_driver);
-}
-
-static void __exit sensors_adm9240_exit(void)
-{
- i2c_del_driver(&adm9240_driver);
-}
+module_i2c_driver(adm9240_driver);
MODULE_AUTHOR("Michiel Rook <michiel@grendelproject.nl>, "
"Grant Coady <gcoady.lk@gmail.com> and others");
MODULE_DESCRIPTION("ADM9240/DS1780/LM81 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_adm9240_init);
-module_exit(sensors_adm9240_exit);
-
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.