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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/hwmon/lm78.c
....@@ -1,22 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * lm78.c - Part of lm_sensors, Linux kernel modules for hardware
34  *	    monitoring
45  * Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
56  * Copyright (c) 2007, 2011  Jean Delvare <jdelvare@suse.de>
6
- *
7
- * This program is free software; you can redistribute it and/or modify
8
- * it under the terms of the GNU General Public License as published by
9
- * the Free Software Foundation; either version 2 of the License, or
10
- * (at your option) any later version.
11
- *
12
- * This program is distributed in the hope that it will be useful,
13
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
14
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15
- * GNU General Public License for more details.
16
- *
17
- * You should have received a copy of the GNU General Public License
18
- * along with this program; if not, write to the Free Software
19
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
207  */
218 
229 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -72,7 +59,6 @@
7259 #define LM78_REG_CONFIG 0x40
7360 #define LM78_REG_CHIPID 0x49
7461 #define LM78_REG_I2C_ADDR 0x48
75
-
7662 
7763 /*
7864  * Conversions. Rounding and limit checking is only done on the TO_REG
....@@ -147,15 +133,13 @@
147133 	u16 alarms;		/* Register encoding, combined */
148134 };
149135 
150
-
151136 static int lm78_read_value(struct lm78_data *data, u8 reg);
152137 static int lm78_write_value(struct lm78_data *data, u8 reg, u8 value);
153138 static struct lm78_data *lm78_update_device(struct device *dev);
154139 static void lm78_init_device(struct lm78_data *data);
155140 
156
-
157141 /* 7 Voltages */
158
-static ssize_t show_in(struct device *dev, struct device_attribute *da,
142
+static ssize_t in_show(struct device *dev, struct device_attribute *da,
159143 		       char *buf)
160144 {
161145 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -163,7 +147,7 @@
163147 	return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index]));
164148 }
165149 
166
-static ssize_t show_in_min(struct device *dev, struct device_attribute *da,
150
+static ssize_t in_min_show(struct device *dev, struct device_attribute *da,
167151 			   char *buf)
168152 {
169153 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -171,7 +155,7 @@
171155 	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index]));
172156 }
173157 
174
-static ssize_t show_in_max(struct device *dev, struct device_attribute *da,
158
+static ssize_t in_max_show(struct device *dev, struct device_attribute *da,
175159 			   char *buf)
176160 {
177161 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -179,8 +163,8 @@
179163 	return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index]));
180164 }
181165 
182
-static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
183
-			  const char *buf, size_t count)
166
+static ssize_t in_min_store(struct device *dev, struct device_attribute *da,
167
+			    const char *buf, size_t count)
184168 {
185169 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
186170 	struct lm78_data *data = dev_get_drvdata(dev);
....@@ -199,8 +183,8 @@
199183 	return count;
200184 }
201185 
202
-static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
203
-			  const char *buf, size_t count)
186
+static ssize_t in_max_store(struct device *dev, struct device_attribute *da,
187
+			    const char *buf, size_t count)
204188 {
205189 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
206190 	struct lm78_data *data = dev_get_drvdata(dev);
....@@ -219,21 +203,27 @@
219203 	return count;
220204 }
221205 
222
-#define show_in_offset(offset)					\
223
-static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO,		\
224
-		show_in, NULL, offset);				\
225
-static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,	\
226
-		show_in_min, set_in_min, offset);		\
227
-static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,	\
228
-		show_in_max, set_in_max, offset);
229
-
230
-show_in_offset(0);
231
-show_in_offset(1);
232
-show_in_offset(2);
233
-show_in_offset(3);
234
-show_in_offset(4);
235
-show_in_offset(5);
236
-show_in_offset(6);
206
+static SENSOR_DEVICE_ATTR_RO(in0_input, in, 0);
207
+static SENSOR_DEVICE_ATTR_RW(in0_min, in_min, 0);
208
+static SENSOR_DEVICE_ATTR_RW(in0_max, in_max, 0);
209
+static SENSOR_DEVICE_ATTR_RO(in1_input, in, 1);
210
+static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1);
211
+static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1);
212
+static SENSOR_DEVICE_ATTR_RO(in2_input, in, 2);
213
+static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2);
214
+static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2);
215
+static SENSOR_DEVICE_ATTR_RO(in3_input, in, 3);
216
+static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3);
217
+static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3);
218
+static SENSOR_DEVICE_ATTR_RO(in4_input, in, 4);
219
+static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4);
220
+static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4);
221
+static SENSOR_DEVICE_ATTR_RO(in5_input, in, 5);
222
+static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5);
223
+static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5);
224
+static SENSOR_DEVICE_ATTR_RO(in6_input, in, 6);
225
+static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6);
226
+static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6);
237227 
238228 /* Temperature */
239229 static ssize_t temp1_input_show(struct device *dev,
....@@ -300,7 +290,7 @@
300290 static DEVICE_ATTR_RW(temp1_max_hyst);
301291 
302292 /* 3 Fans */
303
-static ssize_t show_fan(struct device *dev, struct device_attribute *da,
293
+static ssize_t fan_show(struct device *dev, struct device_attribute *da,
304294 			char *buf)
305295 {
306296 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -310,7 +300,7 @@
310300 		DIV_FROM_REG(data->fan_div[nr])));
311301 }
312302 
313
-static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
303
+static ssize_t fan_min_show(struct device *dev, struct device_attribute *da,
314304 			    char *buf)
315305 {
316306 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -320,8 +310,8 @@
320310 		DIV_FROM_REG(data->fan_div[nr])));
321311 }
322312 
323
-static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
324
-			   const char *buf, size_t count)
313
+static ssize_t fan_min_store(struct device *dev, struct device_attribute *da,
314
+			     const char *buf, size_t count)
325315 {
326316 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
327317 	struct lm78_data *data = dev_get_drvdata(dev);
....@@ -340,7 +330,7 @@
340330 	return count;
341331 }
342332 
343
-static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
333
+static ssize_t fan_div_show(struct device *dev, struct device_attribute *da,
344334 			    char *buf)
345335 {
346336 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -354,8 +344,8 @@
354344  * least surprise; the user doesn't expect the fan minimum to change just
355345  * because the divisor changed.
356346  */
357
-static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
358
-			   const char *buf, size_t count)
347
+static ssize_t fan_div_store(struct device *dev, struct device_attribute *da,
348
+			     const char *buf, size_t count)
359349 {
360350 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
361351 	struct lm78_data *data = dev_get_drvdata(dev);
....@@ -413,22 +403,17 @@
413403 	return count;
414404 }
415405 
416
-#define show_fan_offset(offset)				\
417
-static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,		\
418
-		show_fan, NULL, offset - 1);			\
419
-static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,	\
420
-		show_fan_min, set_fan_min, offset - 1);
421
-
422
-show_fan_offset(1);
423
-show_fan_offset(2);
424
-show_fan_offset(3);
406
+static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0);
407
+static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
408
+static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1);
409
+static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
410
+static SENSOR_DEVICE_ATTR_RO(fan3_input, fan, 2);
411
+static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
425412 
426413 /* Fan 3 divisor is locked in H/W */
427
-static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
428
-		show_fan_div, set_fan_div, 0);
429
-static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
430
-		show_fan_div, set_fan_div, 1);
431
-static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2);
414
+static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
415
+static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
416
+static SENSOR_DEVICE_ATTR_RO(fan3_div, fan_div, 2);
432417 
433418 /* VID */
434419 static ssize_t cpu0_vid_show(struct device *dev, struct device_attribute *da,
....@@ -448,24 +433,24 @@
448433 }
449434 static DEVICE_ATTR_RO(alarms);
450435 
451
-static ssize_t show_alarm(struct device *dev, struct device_attribute *da,
436
+static ssize_t alarm_show(struct device *dev, struct device_attribute *da,
452437 			  char *buf)
453438 {
454439 	struct lm78_data *data = lm78_update_device(dev);
455440 	int nr = to_sensor_dev_attr(da)->index;
456441 	return sprintf(buf, "%u\n", (data->alarms >> nr) & 1);
457442 }
458
-static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
459
-static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
460
-static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
461
-static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
462
-static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
463
-static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 9);
464
-static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 10);
465
-static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
466
-static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
467
-static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 11);
468
-static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
443
+static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0);
444
+static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1);
445
+static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2);
446
+static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3);
447
+static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8);
448
+static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9);
449
+static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10);
450
+static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6);
451
+static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7);
452
+static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11);
453
+static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4);
469454 
470455 static struct attribute *lm78_attrs[] = {
471456 	&sensor_dev_attr_in0_input.dev_attr.attr,
....@@ -642,8 +627,9 @@
642627 	return -ENODEV;
643628 }
644629 
645
-static int lm78_i2c_probe(struct i2c_client *client,
646
-			  const struct i2c_device_id *id)
630
+static const struct i2c_device_id lm78_i2c_id[];
631
+
632
+static int lm78_i2c_probe(struct i2c_client *client)
647633 {
648634 	struct device *dev = &client->dev;
649635 	struct device *hwmon_dev;
....@@ -654,7 +640,7 @@
654640 		return -ENOMEM;
655641 
656642 	data->client = client;
657
-	data->type = id->driver_data;
643
+	data->type = i2c_match_id(lm78_i2c_id, client)->driver_data;
658644 
659645 	/* Initialize the LM78 chip */
660646 	lm78_init_device(data);
....@@ -676,7 +662,7 @@
676662 	.driver = {
677663 		.name	= "lm78",
678664 	},
679
-	.probe		= lm78_i2c_probe,
665
+	.probe_new	= lm78_i2c_probe,
680666 	.id_table	= lm78_i2c_id,
681667 	.detect		= lm78_i2c_detect,
682668 	.address_list	= normal_i2c,