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path: root/drivers/hwmon/smsc47m1.c
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Diffstat (limited to 'drivers/hwmon/smsc47m1.c')
-rw-r--r--drivers/hwmon/smsc47m1.c115
1 files changed, 55 insertions, 60 deletions
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c
index 23a22c4eee51..d7485659acc5 100644
--- a/drivers/hwmon/smsc47m1.c
+++ b/drivers/hwmon/smsc47m1.c
@@ -142,11 +142,6 @@ struct smsc47m1_sio_data {
u8 activate; /* Remember initial device state */
};
-
-static int __exit smsc47m1_remove(struct platform_device *pdev);
-static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
- int init);
-
static inline int smsc47m1_read_value(struct smsc47m1_data *data, u8 reg)
{
return inb_p(data->addr + reg);
@@ -158,13 +153,54 @@ static inline void smsc47m1_write_value(struct smsc47m1_data *data, u8 reg,
outb_p(value, data->addr + reg);
}
-static struct platform_driver smsc47m1_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = DRVNAME,
- },
- .remove = __exit_p(smsc47m1_remove),
-};
+static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
+ int init)
+{
+ struct smsc47m1_data *data = dev_get_drvdata(dev);
+
+ mutex_lock(&data->update_lock);
+
+ if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || init) {
+ int i, fan_nr;
+ fan_nr = data->type == smsc47m2 ? 3 : 2;
+
+ for (i = 0; i < fan_nr; i++) {
+ data->fan[i] = smsc47m1_read_value(data,
+ SMSC47M1_REG_FAN[i]);
+ data->fan_preload[i] = smsc47m1_read_value(data,
+ SMSC47M1_REG_FAN_PRELOAD[i]);
+ data->pwm[i] = smsc47m1_read_value(data,
+ SMSC47M1_REG_PWM[i]);
+ }
+
+ i = smsc47m1_read_value(data, SMSC47M1_REG_FANDIV);
+ data->fan_div[0] = (i >> 4) & 0x03;
+ data->fan_div[1] = i >> 6;
+
+ data->alarms = smsc47m1_read_value(data,
+ SMSC47M1_REG_ALARM) >> 6;
+ /* Clear alarms if needed */
+ if (data->alarms)
+ smsc47m1_write_value(data, SMSC47M1_REG_ALARM, 0xC0);
+
+ if (fan_nr >= 3) {
+ data->fan_div[2] = (smsc47m1_read_value(data,
+ SMSC47M2_REG_FANDIV3) >> 4) & 0x03;
+ data->alarms |= (smsc47m1_read_value(data,
+ SMSC47M2_REG_ALARM6) & 0x40) >> 4;
+ /* Clear alarm if needed */
+ if (data->alarms & 0x04)
+ smsc47m1_write_value(data,
+ SMSC47M2_REG_ALARM6,
+ 0x40);
+ }
+
+ data->last_updated = jiffies;
+ }
+
+ mutex_unlock(&data->update_lock);
+ return data;
+}
static ssize_t get_fan(struct device *dev, struct device_attribute
*devattr, char *buf)
@@ -811,54 +847,13 @@ static int __exit smsc47m1_remove(struct platform_device *pdev)
return 0;
}
-static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
- int init)
-{
- struct smsc47m1_data *data = dev_get_drvdata(dev);
-
- mutex_lock(&data->update_lock);
-
- if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || init) {
- int i, fan_nr;
- fan_nr = data->type == smsc47m2 ? 3 : 2;
-
- for (i = 0; i < fan_nr; i++) {
- data->fan[i] = smsc47m1_read_value(data,
- SMSC47M1_REG_FAN[i]);
- data->fan_preload[i] = smsc47m1_read_value(data,
- SMSC47M1_REG_FAN_PRELOAD[i]);
- data->pwm[i] = smsc47m1_read_value(data,
- SMSC47M1_REG_PWM[i]);
- }
-
- i = smsc47m1_read_value(data, SMSC47M1_REG_FANDIV);
- data->fan_div[0] = (i >> 4) & 0x03;
- data->fan_div[1] = i >> 6;
-
- data->alarms = smsc47m1_read_value(data,
- SMSC47M1_REG_ALARM) >> 6;
- /* Clear alarms if needed */
- if (data->alarms)
- smsc47m1_write_value(data, SMSC47M1_REG_ALARM, 0xC0);
-
- if (fan_nr >= 3) {
- data->fan_div[2] = (smsc47m1_read_value(data,
- SMSC47M2_REG_FANDIV3) >> 4) & 0x03;
- data->alarms |= (smsc47m1_read_value(data,
- SMSC47M2_REG_ALARM6) & 0x40) >> 4;
- /* Clear alarm if needed */
- if (data->alarms & 0x04)
- smsc47m1_write_value(data,
- SMSC47M2_REG_ALARM6,
- 0x40);
- }
-
- data->last_updated = jiffies;
- }
-
- mutex_unlock(&data->update_lock);
- return data;
-}
+static struct platform_driver smsc47m1_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRVNAME,
+ },
+ .remove = __exit_p(smsc47m1_remove),
+};
static int __init smsc47m1_device_add(unsigned short address,
const struct smsc47m1_sio_data *sio_data)