diff mbox series

[03/10] hwmon: (amc6821) Rename fan1_div to fan1_pulses

Message ID 20240628151346.1152838-4-linux@roeck-us.net (mailing list archive)
State Superseded
Headers show
Series hwmon: (amc6821) Various improvements | expand

Commit Message

Guenter Roeck June 28, 2024, 3:13 p.m. UTC 
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@roeck-us.net>
---
 Documentation/hwmon/amc6821.rst |  2 +-
 drivers/hwmon/amc6821.c         | 26 +++++++++++++-------------
 2 files changed, 14 insertions(+), 14 deletions(-)

Comments

Quentin Schulz July 1, 2024, 11:08 a.m. UTC | #1 
Hi Guenter,

On 6/28/24 5:13 PM, Guenter Roeck wrote:
> 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@roeck-us.net>

Good catch!

Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

Thanks,
Quentin
diff mbox series

Patch

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,