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Diffstat (limited to 'drivers/hwmon/adm1025.c')
-rw-r--r--drivers/hwmon/adm1025.c76
1 files changed, 47 insertions, 29 deletions
diff --git a/drivers/hwmon/adm1025.c b/drivers/hwmon/adm1025.c
index 60befc0ee65..b8557f9857d 100644
--- a/drivers/hwmon/adm1025.c
+++ b/drivers/hwmon/adm1025.c
@@ -12,7 +12,7 @@
* resolution of about 0.5% of the nominal value). Temperature values are
* reported with a 1 deg resolution and a 3 deg accuracy. Complete
* datasheet can be obtained from Analog's website at:
- * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025
+ * http://www.onsemi.com/PowerSolutions/product.do?id=ADM1025
*
* This driver also supports the ADM1025A, which differs from the ADM1025
* only in that it has "open-drain VID inputs while the ADM1025 has
@@ -91,15 +91,16 @@ enum chips { adm1025, ne1619 };
static const int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 };
-#define IN_FROM_REG(reg,scale) (((reg) * (scale) + 96) / 192)
-#define IN_TO_REG(val,scale) ((val) <= 0 ? 0 : \
+#define IN_FROM_REG(reg, scale) (((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val, scale) ((val) <= 0 ? 0 : \
(val) * 192 >= (scale) * 255 ? 255 : \
- ((val) * 192 + (scale)/2) / (scale))
+ ((val) * 192 + (scale) / 2) / (scale))
#define TEMP_FROM_REG(reg) ((reg) * 1000)
#define TEMP_TO_REG(val) ((val) <= -127500 ? -128 : \
(val) >= 126500 ? 127 : \
- (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+ (((val) < 0 ? (val) - 500 : \
+ (val) + 500) / 1000))
/*
* Functions declaration
@@ -218,7 +219,12 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_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->in_min[index] = IN_TO_REG(val, in_scale[index]);
@@ -234,7 +240,12 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_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->in_max[index] = IN_TO_REG(val, in_scale[index]);
@@ -264,7 +275,12 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_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_min[index] = TEMP_TO_REG(val);
@@ -280,7 +296,12 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
struct i2c_client *client = to_i2c_client(dev);
struct adm1025_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[index] = TEMP_TO_REG(val);
@@ -343,7 +364,14 @@ static ssize_t set_vrm(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct adm1025_data *data = dev_get_drvdata(dev);
- data->vrm = simple_strtoul(buf, NULL, 10);
+ unsigned long val;
+ int err;
+
+ err = kstrtoul(buf, 10, &val);
+ if (err)
+ return err;
+
+ data->vrm = val;
return count;
}
static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
@@ -462,14 +490,15 @@ static int adm1025_probe(struct i2c_client *client,
adm1025_init_client(client);
/* Register sysfs hooks */
- if ((err = sysfs_create_group(&client->dev.kobj, &adm1025_group)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1025_group);
+ if (err)
goto exit_free;
/* Pin 11 is either in4 (+12V) or VID4 */
config = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
if (!(config & 0x20)) {
- if ((err = sysfs_create_group(&client->dev.kobj,
- &adm1025_group_in4)))
+ err = sysfs_create_group(&client->dev.kobj, &adm1025_group_in4);
+ if (err)
goto exit_remove;
}
@@ -506,7 +535,7 @@ static void adm1025_init_client(struct i2c_client *client)
* setting yet, we better set the high limits to the max so that
* no alarm triggers.
*/
- for (i=0; i<6; i++) {
+ for (i = 0; i < 6; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
if (reg == 0)
@@ -514,7 +543,7 @@ static void adm1025_init_client(struct i2c_client *client)
ADM1025_REG_IN_MAX(i),
0xFF);
}
- for (i=0; i<2; i++) {
+ for (i = 0; i < 2; i++) {
reg = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP_HIGH(i));
if (reg == 0)
@@ -555,7 +584,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
int i;
dev_dbg(&client->dev, "Updating data.\n");
- for (i=0; i<6; i++) {
+ for (i = 0; i < 6; i++) {
data->in[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN(i));
data->in_min[i] = i2c_smbus_read_byte_data(client,
@@ -563,7 +592,7 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
data->in_max[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_IN_MAX(i));
}
- for (i=0; i<2; i++) {
+ for (i = 0; i < 2; i++) {
data->temp[i] = i2c_smbus_read_byte_data(client,
ADM1025_REG_TEMP(i));
data->temp_min[i] = i2c_smbus_read_byte_data(client,
@@ -589,19 +618,8 @@ static struct adm1025_data *adm1025_update_device(struct device *dev)
return data;
}
-static int __init sensors_adm1025_init(void)
-{
- return i2c_add_driver(&adm1025_driver);
-}
-
-static void __exit sensors_adm1025_exit(void)
-{
- i2c_del_driver(&adm1025_driver);
-}
+module_i2c_driver(adm1025_driver);
MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
MODULE_DESCRIPTION("ADM1025 driver");
MODULE_LICENSE("GPL");
-
-module_init(sensors_adm1025_init);
-module_exit(sensors_adm1025_exit);