add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/hwmon/ds1621.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
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  *	      monitoring
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@@ -18,20 +19,6 @@
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  * Since the DS1621 was the first chipset supported by this driver,
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  * most comments will refer to this chipset, but are actually general
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  * and concern all supported chipsets, unless mentioned otherwise.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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  */
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 #include <linux/module.h>
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@@ -234,7 +221,7 @@
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 	return data;
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 }
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-static ssize_t show_temp(struct device *dev, struct device_attribute *da,
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+static ssize_t temp_show(struct device *dev, struct device_attribute *da,
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 			 char *buf)
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 {
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 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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@@ -243,8 +230,8 @@
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 		       DS1621_TEMP_FROM_REG(data->temp[attr->index]));
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 }
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-static ssize_t set_temp(struct device *dev, struct device_attribute *da,
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-			const char *buf, size_t count)
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+static ssize_t temp_store(struct device *dev, struct device_attribute *da,
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+			  const char *buf, size_t count)
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 {
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 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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 	struct ds1621_data *data = dev_get_drvdata(dev);
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@@ -270,7 +257,7 @@
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 	return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->conf));
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 }
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-static ssize_t show_alarm(struct device *dev, struct device_attribute *da,
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+static ssize_t alarm_show(struct device *dev, struct device_attribute *da,
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 			  char *buf)
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 {
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 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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@@ -319,13 +306,11 @@
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 static DEVICE_ATTR_RO(alarms);
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 static DEVICE_ATTR_RW(update_interval);
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-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
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-static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp, set_temp, 1);
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-static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp, 2);
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-static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL,
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-		DS1621_ALARM_TEMP_LOW);
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-static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL,
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-		DS1621_ALARM_TEMP_HIGH);
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+static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0);
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+static SENSOR_DEVICE_ATTR_RW(temp1_min, temp, 1);
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+static SENSOR_DEVICE_ATTR_RW(temp1_max, temp, 2);
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+static SENSOR_DEVICE_ATTR_RO(temp1_min_alarm, alarm, DS1621_ALARM_TEMP_LOW);
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+static SENSOR_DEVICE_ATTR_RO(temp1_max_alarm, alarm, DS1621_ALARM_TEMP_HIGH);
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 static struct attribute *ds1621_attributes[] = {
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 	&sensor_dev_attr_temp1_input.dev_attr.attr,
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@@ -357,8 +342,9 @@
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 };
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 __ATTRIBUTE_GROUPS(ds1621);
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-static int ds1621_probe(struct i2c_client *client,
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-			const struct i2c_device_id *id)
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+static const struct i2c_device_id ds1621_id[];
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+
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+static int ds1621_probe(struct i2c_client *client)
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 {
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 	struct ds1621_data *data;
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 	struct device *hwmon_dev;
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@@ -370,7 +356,7 @@
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 	mutex_init(&data->update_lock);
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-	data->kind = id->driver_data;
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+	data->kind = i2c_match_id(ds1621_id, client)->driver_data;
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 	data->client = client;
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 	/* Initialize the DS1621 chip */
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@@ -398,7 +384,7 @@
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 	.driver = {
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 		.name	= "ds1621",
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 	},
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-	.probe		= ds1621_probe,
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+	.probe_new	= ds1621_probe,
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 	.id_table	= ds1621_id,
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 };
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