diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/smsc47m1.c | 198 |
1 files changed, 95 insertions, 103 deletions
diff --git a/drivers/hwmon/smsc47m1.c b/drivers/hwmon/smsc47m1.c index 7c16c1c80ef1..1e21c8cc948f 100644 --- a/drivers/hwmon/smsc47m1.c +++ b/drivers/hwmon/smsc47m1.c @@ -32,6 +32,7 @@ #include <linux/jiffies.h> #include <linux/platform_device.h> #include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> #include <linux/err.h> #include <linux/init.h> #include <linux/mutex.h> @@ -157,11 +158,12 @@ static struct platform_driver smsc47m1_driver = { .remove = __devexit_p(smsc47m1_remove), }; -/* nr is 0 or 1 in the callback functions below */ - -static ssize_t get_fan(struct device *dev, char *buf, int nr) +static ssize_t get_fan(struct device *dev, struct device_attribute + *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); + int nr = attr->index; /* This chip (stupidly) stops monitoring fan speed if PWM is enabled and duty cycle is 0%. This is fine if the monitoring and control concern the same fan, but troublesome if they are @@ -173,42 +175,54 @@ static ssize_t get_fan(struct device *dev, char *buf, int nr) return sprintf(buf, "%d\n", rpm); } -static ssize_t get_fan_min(struct device *dev, char *buf, int nr) +static ssize_t get_fan_min(struct device *dev, struct device_attribute + *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); + int nr = attr->index; int rpm = MIN_FROM_REG(data->fan_preload[nr], DIV_FROM_REG(data->fan_div[nr])); return sprintf(buf, "%d\n", rpm); } -static ssize_t get_fan_div(struct device *dev, char *buf, int nr) +static ssize_t get_fan_div(struct device *dev, struct device_attribute + *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); - return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr])); + return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index])); } -static ssize_t get_pwm(struct device *dev, char *buf, int nr) +static ssize_t get_pwm(struct device *dev, struct device_attribute + *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); - return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr])); + return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[attr->index])); } -static ssize_t get_pwm_en(struct device *dev, char *buf, int nr) +static ssize_t get_pwm_en(struct device *dev, struct device_attribute + *devattr, char *buf) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); - return sprintf(buf, "%d\n", PWM_EN_FROM_REG(data->pwm[nr])); + return sprintf(buf, "%d\n", PWM_EN_FROM_REG(data->pwm[attr->index])); } -static ssize_t get_alarms(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t get_alarms(struct device *dev, struct device_attribute + *devattr, char *buf) { struct smsc47m1_data *data = smsc47m1_update_device(dev, 0); return sprintf(buf, "%d\n", data->alarms); } -static ssize_t set_fan_min(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_fan_min(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = dev_get_drvdata(dev); + int nr = attr->index; long rpmdiv, val = simple_strtol(buf, NULL, 10); mutex_lock(&data->update_lock); @@ -231,11 +245,12 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, determined in part by the fan clock divider. This follows the principle of least surprise; the user doesn't expect the fan minimum to change just because the divider changed. */ -static ssize_t set_fan_div(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_fan_div(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = dev_get_drvdata(dev); - + int nr = attr->index; long new_div = simple_strtol(buf, NULL, 10), tmp; u8 old_div = DIV_FROM_REG(data->fan_div[nr]); @@ -279,11 +294,12 @@ static ssize_t set_fan_div(struct device *dev, const char *buf, return count; } -static ssize_t set_pwm(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_pwm(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = dev_get_drvdata(dev); - + int nr = attr->index; long val = simple_strtol(buf, NULL, 10); if (val < 0 || val > 255) @@ -299,11 +315,12 @@ static ssize_t set_pwm(struct device *dev, const char *buf, return count; } -static ssize_t set_pwm_en(struct device *dev, const char *buf, - size_t count, int nr) +static ssize_t set_pwm_en(struct device *dev, struct device_attribute + *devattr, const char *buf, size_t count) { + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); struct smsc47m1_data *data = dev_get_drvdata(dev); - + int nr = attr->index; long val = simple_strtol(buf, NULL, 10); if (val != 0 && val != 1) @@ -320,56 +337,16 @@ static ssize_t set_pwm_en(struct device *dev, const char *buf, } #define fan_present(offset) \ -static ssize_t get_fan##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return get_fan(dev, buf, offset - 1); \ -} \ -static ssize_t get_fan##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return get_fan_min(dev, buf, offset - 1); \ -} \ -static ssize_t set_fan##offset##_min (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_fan_min(dev, buf, count, offset - 1); \ -} \ -static ssize_t get_fan##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return get_fan_div(dev, buf, offset - 1); \ -} \ -static ssize_t set_fan##offset##_div (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_fan_div(dev, buf, count, offset - 1); \ -} \ -static ssize_t get_pwm##offset (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return get_pwm(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm(dev, buf, count, offset - 1); \ -} \ -static ssize_t get_pwm##offset##_en (struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return get_pwm_en(dev, buf, offset - 1); \ -} \ -static ssize_t set_pwm##offset##_en (struct device *dev, struct device_attribute *attr, \ - const char *buf, size_t count) \ -{ \ - return set_pwm_en(dev, buf, count, offset - 1); \ -} \ -static DEVICE_ATTR(fan##offset##_input, S_IRUGO, get_fan##offset, \ - NULL); \ -static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ - get_fan##offset##_min, set_fan##offset##_min); \ -static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ - get_fan##offset##_div, set_fan##offset##_div); \ -static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ - get_pwm##offset, set_pwm##offset); \ -static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ - get_pwm##offset##_en, set_pwm##offset##_en); +static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, get_fan, \ + NULL, offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ + get_fan_min, set_fan_min, offset - 1); \ +static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \ + get_fan_div, set_fan_div, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ + get_pwm, set_pwm, offset - 1); \ +static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ + get_pwm_en, set_pwm_en, offset - 1) fan_present(1); fan_present(2); @@ -390,22 +367,22 @@ static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); setup so we create them individually. It is still convenient to define a group to remove them all at once. */ static struct attribute *smsc47m1_attributes[] = { - &dev_attr_fan1_input.attr, - &dev_attr_fan1_min.attr, - &dev_attr_fan1_div.attr, - &dev_attr_fan2_input.attr, - &dev_attr_fan2_min.attr, - &dev_attr_fan2_div.attr, - &dev_attr_fan3_input.attr, - &dev_attr_fan3_min.attr, - &dev_attr_fan3_div.attr, - - &dev_attr_pwm1.attr, - &dev_attr_pwm1_enable.attr, - &dev_attr_pwm2.attr, - &dev_attr_pwm2_enable.attr, - &dev_attr_pwm3.attr, - &dev_attr_pwm3_enable.attr, + &sensor_dev_attr_fan1_input.dev_attr.attr, + &sensor_dev_attr_fan1_min.dev_attr.attr, + &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan2_input.dev_attr.attr, + &sensor_dev_attr_fan2_min.dev_attr.attr, + &sensor_dev_attr_fan2_div.dev_attr.attr, + &sensor_dev_attr_fan3_input.dev_attr.attr, + &sensor_dev_attr_fan3_min.dev_attr.attr, + &sensor_dev_attr_fan3_div.dev_attr.attr, + + &sensor_dev_attr_pwm1.dev_attr.attr, + &sensor_dev_attr_pwm1_enable.dev_attr.attr, + &sensor_dev_attr_pwm2.dev_attr.attr, + &sensor_dev_attr_pwm2_enable.dev_attr.attr, + &sensor_dev_attr_pwm3.dev_attr.attr, + &sensor_dev_attr_pwm3_enable.dev_attr.attr, &dev_attr_alarms.attr, &dev_attr_name.attr, @@ -547,46 +524,61 @@ static int __devinit smsc47m1_probe(struct platform_device *pdev) /* Register sysfs hooks */ if (fan1) { - if ((err = device_create_file(dev, &dev_attr_fan1_input)) - || (err = device_create_file(dev, &dev_attr_fan1_min)) - || (err = device_create_file(dev, &dev_attr_fan1_div))) + if ((err = device_create_file(dev, + &sensor_dev_attr_fan1_input.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan1_min.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan1_div.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "Fan 1 not enabled by hardware, skipping\n"); if (fan2) { - if ((err = device_create_file(dev, &dev_attr_fan2_input)) - || (err = device_create_file(dev, &dev_attr_fan2_min)) - || (err = device_create_file(dev, &dev_attr_fan2_div))) + if ((err = device_create_file(dev, + &sensor_dev_attr_fan2_input.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan2_min.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan2_div.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "Fan 2 not enabled by hardware, skipping\n"); if (fan3) { - if ((err = device_create_file(dev, &dev_attr_fan3_input)) - || (err = device_create_file(dev, &dev_attr_fan3_min)) - || (err = device_create_file(dev, &dev_attr_fan3_div))) + if ((err = device_create_file(dev, + &sensor_dev_attr_fan3_input.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan3_min.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_fan3_div.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "Fan 3 not enabled by hardware, skipping\n"); if (pwm1) { - if ((err = device_create_file(dev, &dev_attr_pwm1)) - || (err = device_create_file(dev, &dev_attr_pwm1_enable))) + if ((err = device_create_file(dev, + &sensor_dev_attr_pwm1.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_pwm1_enable.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "PWM 1 not enabled by hardware, skipping\n"); if (pwm2) { - if ((err = device_create_file(dev, &dev_attr_pwm2)) - || (err = device_create_file(dev, &dev_attr_pwm2_enable))) + if ((err = device_create_file(dev, + &sensor_dev_attr_pwm2.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_pwm2_enable.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "PWM 2 not enabled by hardware, skipping\n"); if (pwm3) { - if ((err = device_create_file(dev, &dev_attr_pwm3)) - || (err = device_create_file(dev, &dev_attr_pwm3_enable))) + if ((err = device_create_file(dev, + &sensor_dev_attr_pwm3.dev_attr)) + || (err = device_create_file(dev, + &sensor_dev_attr_pwm3_enable.dev_attr))) goto error_remove_files; } else dev_dbg(dev, "PWM 3 not enabled by hardware, skipping\n"); |