The chip does not have a fan divisor. What it does have is a configuration to set either 2 or 4 pulses per fan rotation. Rename the attribute to reflect its use. Update documentation accordingly. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- Documentation/hwmon/amc6821.rst | 2 +- drivers/hwmon/amc6821.c | 26 +++++++++++++------------- 2 files changed, 14 insertions(+), 14 deletions(-) diff --git a/Documentation/hwmon/amc6821.rst b/Documentation/hwmon/amc6821.rst index 5ddb2849da90..4ce67c268e52 100644 --- a/Documentation/hwmon/amc6821.rst +++ b/Documentation/hwmon/amc6821.rst @@ -47,7 +47,7 @@ fan1_input ro tachometer speed fan1_min rw " fan1_max rw " fan1_fault ro " -fan1_div rw Fan divisor can be either 2 or 4. +fan1_pulses rw Pulses per revolution can be either 2 or 4. pwm1 rw pwm1 pwm1_enable rw regulator mode, 1=open loop, 2=fan controlled diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c index e37257ae1a6b..6eb7edd9aca9 100644 --- a/drivers/hwmon/amc6821.c +++ b/drivers/hwmon/amc6821.c @@ -148,7 +148,7 @@ struct amc6821_data { int temp[TEMP_IDX_LEN]; u16 fan[FAN1_IDX_LEN]; - u8 fan1_div; + u8 fan1_pulses; u8 pwm1; u8 temp1_auto_point_temp[3]; @@ -193,9 +193,9 @@ static struct amc6821_data *amc6821_update_device(struct device *dev) client, fan_reg_hi[i]) << 8; } - data->fan1_div = i2c_smbus_read_byte_data(client, + data->fan1_pulses = i2c_smbus_read_byte_data(client, AMC6821_REG_CONF4); - data->fan1_div = data->fan1_div & AMC6821_CONF4_PSPR ? 4 : 2; + data->fan1_pulses = data->fan1_pulses & AMC6821_CONF4_PSPR ? 4 : 2; data->pwm1_auto_point_pwm[0] = 0; data->pwm1_auto_point_pwm[2] = 255; @@ -645,16 +645,16 @@ static ssize_t fan_store(struct device *dev, struct device_attribute *attr, return count; } -static ssize_t fan1_div_show(struct device *dev, - struct device_attribute *devattr, char *buf) +static ssize_t fan1_pulses_show(struct device *dev, + struct device_attribute *devattr, char *buf) { struct amc6821_data *data = amc6821_update_device(dev); - return sprintf(buf, "%d\n", data->fan1_div); + return sprintf(buf, "%d\n", data->fan1_pulses); } -static ssize_t fan1_div_store(struct device *dev, - struct device_attribute *attr, const char *buf, - size_t count) +static ssize_t fan1_pulses_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { struct amc6821_data *data = dev_get_drvdata(dev); struct i2c_client *client = data->client; @@ -674,11 +674,11 @@ static ssize_t fan1_div_store(struct device *dev, switch (val) { case 2: config &= ~AMC6821_CONF4_PSPR; - data->fan1_div = 2; + data->fan1_pulses = 2; break; case 4: config |= AMC6821_CONF4_PSPR; - data->fan1_div = 4; + data->fan1_pulses = 4; break; default: count = -EINVAL; @@ -713,7 +713,7 @@ static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, IDX_FAN1_INPUT); static SENSOR_DEVICE_ATTR_RW(fan1_min, fan, IDX_FAN1_MIN); static SENSOR_DEVICE_ATTR_RW(fan1_max, fan, IDX_FAN1_MAX); static SENSOR_DEVICE_ATTR_RO(fan1_fault, fan1_fault, 0); -static SENSOR_DEVICE_ATTR_RW(fan1_div, fan1_div, 0); +static SENSOR_DEVICE_ATTR_RW(fan1_pulses, fan1_pulses, 0); static SENSOR_DEVICE_ATTR_RW(pwm1, pwm1, 0); static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm1_enable, 0); @@ -756,7 +756,7 @@ static struct attribute *amc6821_attrs[] = { &sensor_dev_attr_fan1_min.dev_attr.attr, &sensor_dev_attr_fan1_max.dev_attr.attr, &sensor_dev_attr_fan1_fault.dev_attr.attr, - &sensor_dev_attr_fan1_div.dev_attr.attr, + &sensor_dev_attr_fan1_pulses.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, -- 2.39.2