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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/drivers/hwmon/ltc4222.c
....@@ -1,17 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * Driver for Linear Technology LTC4222 Dual Hot Swap controller
34  *
45  * Copyright (c) 2014 Guenter Roeck
5
- *
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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.
156  */
167 
178 #include <linux/kernel.h>
....@@ -94,7 +85,7 @@
9485 	return val;
9586 }
9687 
97
-static ssize_t ltc4222_show_value(struct device *dev,
88
+static ssize_t ltc4222_value_show(struct device *dev,
9889 				  struct device_attribute *da, char *buf)
9990 {
10091 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -106,7 +97,7 @@
10697 	return snprintf(buf, PAGE_SIZE, "%d\n", value);
10798 }
10899 
109
-static ssize_t ltc4222_show_bool(struct device *dev,
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+static ssize_t ltc4222_bool_show(struct device *dev,
110101 				 struct device_attribute *da, char *buf)
111102 {
112103 	struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(da);
....@@ -125,45 +116,39 @@
125116 }
126117 
127118 /* Voltages */
128
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc4222_show_value, NULL,
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-			  LTC4222_SOURCE1);
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-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc4222_show_value, NULL,
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-			  LTC4222_ADIN1);
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-static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, ltc4222_show_value, NULL,
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-			  LTC4222_SOURCE2);
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-static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, ltc4222_show_value, NULL,
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-			  LTC4222_ADIN2);
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+static SENSOR_DEVICE_ATTR_RO(in1_input, ltc4222_value, LTC4222_SOURCE1);
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+static SENSOR_DEVICE_ATTR_RO(in2_input, ltc4222_value, LTC4222_ADIN1);
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+static SENSOR_DEVICE_ATTR_RO(in3_input, ltc4222_value, LTC4222_SOURCE2);
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+static SENSOR_DEVICE_ATTR_RO(in4_input, ltc4222_value, LTC4222_ADIN2);
136123 
137124 /*
138125  * Voltage alarms
139126  * UV/OV faults are associated with the input voltage, and power bad and fet
140127  * faults are associated with the output voltage.
141128  */
142
-static SENSOR_DEVICE_ATTR_2(in1_min_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT1, FAULT_UV);
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-static SENSOR_DEVICE_ATTR_2(in1_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT1, FAULT_OV);
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-static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT1, FAULT_POWER_BAD | FAULT_FET_BAD);
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+static SENSOR_DEVICE_ATTR_2_RO(in1_min_alarm, ltc4222_bool, LTC4222_FAULT1,
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+			       FAULT_UV);
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+static SENSOR_DEVICE_ATTR_2_RO(in1_max_alarm, ltc4222_bool, LTC4222_FAULT1,
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+			       FAULT_OV);
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+static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, ltc4222_bool, LTC4222_FAULT1,
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+			       FAULT_POWER_BAD | FAULT_FET_BAD);
148135 
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-static SENSOR_DEVICE_ATTR_2(in3_min_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT2, FAULT_UV);
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-static SENSOR_DEVICE_ATTR_2(in3_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT2, FAULT_OV);
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-static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT2, FAULT_POWER_BAD | FAULT_FET_BAD);
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+static SENSOR_DEVICE_ATTR_2_RO(in3_min_alarm, ltc4222_bool, LTC4222_FAULT2,
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+			       FAULT_UV);
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+static SENSOR_DEVICE_ATTR_2_RO(in3_max_alarm, ltc4222_bool, LTC4222_FAULT2,
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+			       FAULT_OV);
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+static SENSOR_DEVICE_ATTR_2_RO(in4_alarm, ltc4222_bool, LTC4222_FAULT2,
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+			       FAULT_POWER_BAD | FAULT_FET_BAD);
155142 
156143 /* Current (via sense resistor) */
157
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc4222_show_value, NULL,
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-			  LTC4222_SENSE1);
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-static SENSOR_DEVICE_ATTR(curr2_input, S_IRUGO, ltc4222_show_value, NULL,
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-			  LTC4222_SENSE2);
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+static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc4222_value, LTC4222_SENSE1);
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+static SENSOR_DEVICE_ATTR_RO(curr2_input, ltc4222_value, LTC4222_SENSE2);
161146 
162147 /* Overcurrent alarm */
163
-static SENSOR_DEVICE_ATTR_2(curr1_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT1, FAULT_OC);
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-static SENSOR_DEVICE_ATTR_2(curr2_max_alarm, S_IRUGO, ltc4222_show_bool, NULL,
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-			    LTC4222_FAULT2, FAULT_OC);
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+static SENSOR_DEVICE_ATTR_2_RO(curr1_max_alarm, ltc4222_bool, LTC4222_FAULT1,
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+			       FAULT_OC);
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+static SENSOR_DEVICE_ATTR_2_RO(curr2_max_alarm, ltc4222_bool, LTC4222_FAULT2,
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+			       FAULT_OC);
167152 
168153 static struct attribute *ltc4222_attrs[] = {
169154 	&sensor_dev_attr_in1_input.dev_attr.attr,
....@@ -192,8 +177,7 @@
192177 	.max_register = LTC4222_ADC_CONTROL,
193178 };
194179 
195
-static int ltc4222_probe(struct i2c_client *client,
196
-			 const struct i2c_device_id *id)
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+static int ltc4222_probe(struct i2c_client *client)
197181 {
198182 	struct device *dev = &client->dev;
199183 	struct device *hwmon_dev;
....@@ -226,7 +210,7 @@
226210 	.driver = {
227211 		   .name = "ltc4222",
228212 		   },
229
-	.probe = ltc4222_probe,
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+	.probe_new = ltc4222_probe,
230214 	.id_table = ltc4222_id,
231215 };
232216