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path: root/drivers/hwmon/lineage-pem.c
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Diffstat (limited to 'drivers/hwmon/lineage-pem.c')
-rw-r--r--drivers/hwmon/lineage-pem.c107
1 files changed, 41 insertions, 66 deletions
diff --git a/drivers/hwmon/lineage-pem.c b/drivers/hwmon/lineage-pem.c
index 84d791bdb62d..64a335a64a2e 100644
--- a/drivers/hwmon/lineage-pem.c
+++ b/drivers/hwmon/lineage-pem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Lineage Compact Power Line series of power entry modules.
*
@@ -5,20 +6,6 @@
*
* Documentation:
* http://www.lineagepower.com/oem/pdf/CPLI2C.pdf
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
@@ -204,7 +191,7 @@ static struct pem_data *pem_update_device(struct device *dev)
i2c_smbus_write_byte(client, PEM_CLEAR_INFO_FLAGS);
data->last_updated = jiffies;
- data->valid = 1;
+ data->valid = true;
}
abort:
mutex_unlock(&data->update_lock);
@@ -282,8 +269,8 @@ static long pem_get_fan(u8 *data, int len, int index)
* Show boolean, either a fault or an alarm.
* .nr points to the register, .index is the bit mask to check
*/
-static ssize_t pem_show_bool(struct device *dev,
- struct device_attribute *da, char *buf)
+static ssize_t pem_bool_show(struct device *dev, struct device_attribute *da,
+ char *buf)
{
struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
struct pem_data *data = pem_update_device(dev);
@@ -293,10 +280,10 @@ static ssize_t pem_show_bool(struct device *dev,
return PTR_ERR(data);
status = data->data_string[attr->nr] & attr->index;
- return snprintf(buf, PAGE_SIZE, "%d\n", !!status);
+ return sysfs_emit(buf, "%d\n", !!status);
}
-static ssize_t pem_show_data(struct device *dev, struct device_attribute *da,
+static ssize_t pem_data_show(struct device *dev, struct device_attribute *da,
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -309,10 +296,10 @@ static ssize_t pem_show_data(struct device *dev, struct device_attribute *da,
value = pem_get_data(data->data_string, sizeof(data->data_string),
attr->index);
- return snprintf(buf, PAGE_SIZE, "%ld\n", value);
+ return sysfs_emit(buf, "%ld\n", value);
}
-static ssize_t pem_show_input(struct device *dev, struct device_attribute *da,
+static ssize_t pem_input_show(struct device *dev, struct device_attribute *da,
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -325,10 +312,10 @@ static ssize_t pem_show_input(struct device *dev, struct device_attribute *da,
value = pem_get_input(data->input_string, sizeof(data->input_string),
attr->index);
- return snprintf(buf, PAGE_SIZE, "%ld\n", value);
+ return sysfs_emit(buf, "%ld\n", value);
}
-static ssize_t pem_show_fan(struct device *dev, struct device_attribute *da,
+static ssize_t pem_fan_show(struct device *dev, struct device_attribute *da,
char *buf)
{
struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
@@ -341,57 +328,46 @@ static ssize_t pem_show_fan(struct device *dev, struct device_attribute *da,
value = pem_get_fan(data->fan_speed, sizeof(data->fan_speed),
attr->index);
- return snprintf(buf, PAGE_SIZE, "%ld\n", value);
+ return sysfs_emit(buf, "%ld\n", value);
}
/* Voltages */
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, pem_show_data, NULL,
- PEM_DATA_VOUT_LSB);
-static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1, ALRM1_VOUT_OUT_LIMIT);
-static SENSOR_DEVICE_ATTR_2(in1_crit_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1, ALRM1_OV_VOLT_SHUTDOWN);
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, pem_show_input, NULL,
- PEM_INPUT_VOLTAGE);
-static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1,
- ALRM1_VIN_OUT_LIMIT | ALRM1_PRIMARY_FAULT);
+static SENSOR_DEVICE_ATTR_RO(in1_input, pem_data, PEM_DATA_VOUT_LSB);
+static SENSOR_DEVICE_ATTR_2_RO(in1_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_VOUT_OUT_LIMIT);
+static SENSOR_DEVICE_ATTR_2_RO(in1_crit_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_OV_VOLT_SHUTDOWN);
+static SENSOR_DEVICE_ATTR_RO(in2_input, pem_input, PEM_INPUT_VOLTAGE);
+static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_VIN_OUT_LIMIT | ALRM1_PRIMARY_FAULT);
/* Currents */
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, pem_show_data, NULL,
- PEM_DATA_CURRENT);
-static SENSOR_DEVICE_ATTR_2(curr1_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1, ALRM1_VIN_OVERCURRENT);
+static SENSOR_DEVICE_ATTR_RO(curr1_input, pem_data, PEM_DATA_CURRENT);
+static SENSOR_DEVICE_ATTR_2_RO(curr1_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_VIN_OVERCURRENT);
/* Power */
-static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, pem_show_input, NULL,
- PEM_INPUT_POWER_LSB);
-static SENSOR_DEVICE_ATTR_2(power1_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1, ALRM1_POWER_LIMIT);
+static SENSOR_DEVICE_ATTR_RO(power1_input, pem_input, PEM_INPUT_POWER_LSB);
+static SENSOR_DEVICE_ATTR_2_RO(power1_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_POWER_LIMIT);
/* Fans */
-static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, pem_show_fan, NULL,
- PEM_FAN_FAN1);
-static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, pem_show_fan, NULL,
- PEM_FAN_FAN2);
-static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, pem_show_fan, NULL,
- PEM_FAN_FAN3);
-static SENSOR_DEVICE_ATTR_2(fan1_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_2, ALRM2_FAN_FAULT);
+static SENSOR_DEVICE_ATTR_RO(fan1_input, pem_fan, PEM_FAN_FAN1);
+static SENSOR_DEVICE_ATTR_RO(fan2_input, pem_fan, PEM_FAN_FAN2);
+static SENSOR_DEVICE_ATTR_RO(fan3_input, pem_fan, PEM_FAN_FAN3);
+static SENSOR_DEVICE_ATTR_2_RO(fan1_alarm, pem_bool, PEM_DATA_ALARM_2,
+ ALRM2_FAN_FAULT);
/* Temperatures */
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, pem_show_data, NULL,
- PEM_DATA_TEMP);
-static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, pem_show_data, NULL,
- PEM_DATA_TEMP_MAX);
-static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, pem_show_data, NULL,
- PEM_DATA_TEMP_CRIT);
-static SENSOR_DEVICE_ATTR_2(temp1_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1, ALRM1_TEMP_WARNING);
-static SENSOR_DEVICE_ATTR_2(temp1_crit_alarm, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_1, ALRM1_TEMP_SHUTDOWN);
-static SENSOR_DEVICE_ATTR_2(temp1_fault, S_IRUGO, pem_show_bool, NULL,
- PEM_DATA_ALARM_2, ALRM2_TEMP_FAULT);
+static SENSOR_DEVICE_ATTR_RO(temp1_input, pem_data, PEM_DATA_TEMP);
+static SENSOR_DEVICE_ATTR_RO(temp1_max, pem_data, PEM_DATA_TEMP_MAX);
+static SENSOR_DEVICE_ATTR_RO(temp1_crit, pem_data, PEM_DATA_TEMP_CRIT);
+static SENSOR_DEVICE_ATTR_2_RO(temp1_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_TEMP_WARNING);
+static SENSOR_DEVICE_ATTR_2_RO(temp1_crit_alarm, pem_bool, PEM_DATA_ALARM_1,
+ ALRM1_TEMP_SHUTDOWN);
+static SENSOR_DEVICE_ATTR_2_RO(temp1_fault, pem_bool, PEM_DATA_ALARM_2,
+ ALRM2_TEMP_FAULT);
static struct attribute *pem_attributes[] = {
&sensor_dev_attr_in1_input.dev_attr.attr,
@@ -441,8 +417,7 @@ static const struct attribute_group pem_fan_group = {
.attrs = pem_fan_attributes,
};
-static int pem_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int pem_probe(struct i2c_client *client)
{
struct i2c_adapter *adapter = client->adapter;
struct device *dev = &client->dev;
@@ -527,7 +502,7 @@ static int pem_probe(struct i2c_client *client,
}
static const struct i2c_device_id pem_id[] = {
- {"lineage_pem", 0},
+ {"lineage_pem"},
{}
};
MODULE_DEVICE_TABLE(i2c, pem_id);
generated by cgit (git 2.34.1) at 2025-12-25 04:31:45 +0000