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Diffstat (limited to 'drivers/hwmon/stts751.c')
-rw-r--r--drivers/hwmon/stts751.c107
1 files changed, 48 insertions, 59 deletions
diff --git a/drivers/hwmon/stts751.c b/drivers/hwmon/stts751.c
index 7fe152d92350..f9e8b2869164 100644
--- a/drivers/hwmon/stts751.c
+++ b/drivers/hwmon/stts751.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* STTS751 sensor driver
*
@@ -8,16 +9,6 @@
* Written by Andrea Merello <andrea.merello@gmail.com>
*
* Based on LM95241 driver and LM90 driver
- *
- * 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.
*/
#include <linux/bitops.h>
@@ -81,12 +72,12 @@ static const int stts751_intervals[] = {
};
static const struct i2c_device_id stts751_id[] = {
- { "stts751", 0 },
+ { "stts751" },
{ }
};
-static const struct of_device_id stts751_of_match[] = {
- { .compatible = "stts751" },
+static const struct of_device_id __maybe_unused stts751_of_match[] = {
+ { .compatible = "st,stts751" },
{ },
};
MODULE_DEVICE_TABLE(of, stts751_of_match);
@@ -100,7 +91,6 @@ struct stts751_priv {
int event_max, event_min;
int therm;
int hyst;
- bool smbus_timeout;
int temp;
unsigned long last_update, last_alert_update;
u8 config;
@@ -382,8 +372,8 @@ static int stts751_update(struct stts751_priv *priv)
return 0;
}
-static ssize_t show_max_alarm(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t max_alarm_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
struct stts751_priv *priv = dev_get_drvdata(dev);
@@ -396,11 +386,11 @@ static ssize_t show_max_alarm(struct device *dev, struct device_attribute *attr,
if (ret < 0)
return ret;
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->max_alert);
+ return sysfs_emit(buf, "%d\n", priv->max_alert);
}
-static ssize_t show_min_alarm(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t min_alarm_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
struct stts751_priv *priv = dev_get_drvdata(dev);
@@ -413,10 +403,10 @@ static ssize_t show_min_alarm(struct device *dev, struct device_attribute *attr,
if (ret < 0)
return ret;
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->min_alert);
+ return sysfs_emit(buf, "%d\n", priv->min_alert);
}
-static ssize_t show_input(struct device *dev, struct device_attribute *attr,
+static ssize_t input_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
int ret;
@@ -428,19 +418,19 @@ static ssize_t show_input(struct device *dev, struct device_attribute *attr,
if (ret < 0)
return ret;
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->temp);
+ return sysfs_emit(buf, "%d\n", priv->temp);
}
-static ssize_t show_therm(struct device *dev, struct device_attribute *attr,
+static ssize_t therm_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct stts751_priv *priv = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->therm);
+ return sysfs_emit(buf, "%d\n", priv->therm);
}
-static ssize_t set_therm(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t therm_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
long temp;
@@ -473,16 +463,16 @@ exit:
return count;
}
-static ssize_t show_hyst(struct device *dev, struct device_attribute *attr,
+static ssize_t hyst_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct stts751_priv *priv = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->hyst);
+ return sysfs_emit(buf, "%d\n", priv->hyst);
}
-static ssize_t set_hyst(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t hyst_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
long temp;
@@ -506,7 +496,7 @@ static ssize_t set_hyst(struct device *dev, struct device_attribute *attr,
return count;
}
-static ssize_t show_therm_trip(struct device *dev,
+static ssize_t therm_trip_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret;
@@ -518,19 +508,19 @@ static ssize_t show_therm_trip(struct device *dev,
if (ret < 0)
return ret;
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->therm_trip);
+ return sysfs_emit(buf, "%d\n", priv->therm_trip);
}
-static ssize_t show_max(struct device *dev, struct device_attribute *attr,
+static ssize_t max_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct stts751_priv *priv = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->event_max);
+ return sysfs_emit(buf, "%d\n", priv->event_max);
}
-static ssize_t set_max(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t max_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
long temp;
@@ -555,16 +545,16 @@ exit:
return ret;
}
-static ssize_t show_min(struct device *dev, struct device_attribute *attr,
+static ssize_t min_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct stts751_priv *priv = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n", priv->event_min);
+ return sysfs_emit(buf, "%d\n", priv->event_min);
}
-static ssize_t set_min(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t min_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
int ret;
long temp;
@@ -589,17 +579,18 @@ exit:
return ret;
}
-static ssize_t show_interval(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t interval_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct stts751_priv *priv = dev_get_drvdata(dev);
- return snprintf(buf, PAGE_SIZE, "%d\n",
- stts751_intervals[priv->interval]);
+ return sysfs_emit(buf, "%d\n",
+ stts751_intervals[priv->interval]);
}
-static ssize_t set_interval(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t interval_store(struct device *dev,
+ struct device_attribute *attr, const char *buf,
+ size_t count)
{
unsigned long val;
int idx;
@@ -700,7 +691,7 @@ static int stts751_detect(struct i2c_client *new_client,
}
dev_dbg(&new_client->dev, "Chip %s detected", name);
- strlcpy(info->type, stts751_id[0].name, I2C_NAME_SIZE);
+ strscpy(info->type, stts751_id[0].name, I2C_NAME_SIZE);
return 0;
}
@@ -746,16 +737,15 @@ static int stts751_read_chip_config(struct stts751_priv *priv)
return 0;
}
-static SENSOR_DEVICE_ATTR(temp1_input, 0444, show_input, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_min, 0644, show_min, set_min, 0);
-static SENSOR_DEVICE_ATTR(temp1_max, 0644, show_max, set_max, 0);
-static SENSOR_DEVICE_ATTR(temp1_min_alarm, 0444, show_min_alarm, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_max_alarm, 0444, show_max_alarm, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp1_crit, 0644, show_therm, set_therm, 0);
-static SENSOR_DEVICE_ATTR(temp1_crit_hyst, 0644, show_hyst, set_hyst, 0);
-static SENSOR_DEVICE_ATTR(temp1_crit_alarm, 0444, show_therm_trip, NULL, 0);
-static SENSOR_DEVICE_ATTR(update_interval, 0644,
- show_interval, set_interval, 0);
+static SENSOR_DEVICE_ATTR_RO(temp1_input, input, 0);
+static SENSOR_DEVICE_ATTR_RW(temp1_min, min, 0);
+static SENSOR_DEVICE_ATTR_RW(temp1_max, max, 0);
+static SENSOR_DEVICE_ATTR_RO(temp1_min_alarm, min_alarm, 0);
+static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, max_alarm, 0);
+static SENSOR_DEVICE_ATTR_RW(temp1_crit, therm, 0);
+static SENSOR_DEVICE_ATTR_RW(temp1_crit_hyst, hyst, 0);
+static SENSOR_DEVICE_ATTR_RO(temp1_crit_alarm, therm_trip, 0);
+static SENSOR_DEVICE_ATTR_RW(update_interval, interval, 0);
static struct attribute *stts751_attrs[] = {
&sensor_dev_attr_temp1_input.dev_attr.attr,
@@ -771,8 +761,7 @@ static struct attribute *stts751_attrs[] = {
};
ATTRIBUTE_GROUPS(stts751);
-static int stts751_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int stts751_probe(struct i2c_client *client)
{
struct stts751_priv *priv;
int ret;
generated by cgit (git 2.34.1) at 2025-12-25 01:13:16 +0000