forked from ~ljy/RK356X_SDK_RELEASE
blame | history | patch | commit | commitdiff
hc
2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/drivers/hwmon/ltc2945.c
....@@ -1,17 +1,8 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * Driver for Linear Technology LTC2945 I2C Power Monitor
34  *
45  * Copyright (c) 2014 Guenter Roeck
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License as published by
8
- * the Free Software Foundation; either version 2 of the License, or
9
- * (at your option) any later version.
10
- *
11
- * This program is distributed in the hope that it will be useful,
12
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
13
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
- * GNU General Public License for more details.
156  */
167 
178 #include <linux/kernel.h>
....@@ -226,7 +217,7 @@
226217 	return val;
227218 }
228219 
229
-static ssize_t ltc2945_show_value(struct device *dev,
220
+static ssize_t ltc2945_value_show(struct device *dev,
230221 				  struct device_attribute *da, char *buf)
231222 {
232223 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -238,9 +229,9 @@
238229 	return snprintf(buf, PAGE_SIZE, "%lld\n", value);
239230 }
240231 
241
-static ssize_t ltc2945_set_value(struct device *dev,
242
-				     struct device_attribute *da,
243
-				     const char *buf, size_t count)
232
+static ssize_t ltc2945_value_store(struct device *dev,
233
+				   struct device_attribute *da,
234
+				   const char *buf, size_t count)
244235 {
245236 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
246237 	struct regmap *regmap = dev_get_drvdata(dev);
....@@ -273,7 +264,7 @@
273264 	return ret < 0 ? ret : count;
274265 }
275266 
276
-static ssize_t ltc2945_reset_history(struct device *dev,
267
+static ssize_t ltc2945_history_store(struct device *dev,
277268 				     struct device_attribute *da,
278269 				     const char *buf, size_t count)
279270 {
....@@ -326,7 +317,7 @@
326317 	return ret ? : count;
327318 }
328319 
329
-static ssize_t ltc2945_show_bool(struct device *dev,
320
+static ssize_t ltc2945_bool_show(struct device *dev,
330321 				 struct device_attribute *da, char *buf)
331322 {
332323 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
....@@ -347,86 +338,65 @@
347338 
348339 /* Input voltages */
349340 
350
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc2945_show_value, NULL,
351
-			  LTC2945_VIN_H);
352
-static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, ltc2945_show_value,
353
-			  ltc2945_set_value, LTC2945_MIN_VIN_THRES_H);
354
-static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, ltc2945_show_value,
355
-			  ltc2945_set_value, LTC2945_MAX_VIN_THRES_H);
356
-static SENSOR_DEVICE_ATTR(in1_lowest, S_IRUGO, ltc2945_show_value, NULL,
357
-			  LTC2945_MIN_VIN_H);
358
-static SENSOR_DEVICE_ATTR(in1_highest, S_IRUGO, ltc2945_show_value, NULL,
359
-			  LTC2945_MAX_VIN_H);
360
-static SENSOR_DEVICE_ATTR(in1_reset_history, S_IWUSR, NULL,
361
-			  ltc2945_reset_history, LTC2945_MIN_VIN_H);
341
+static SENSOR_DEVICE_ATTR_RO(in1_input, ltc2945_value, LTC2945_VIN_H);
342
+static SENSOR_DEVICE_ATTR_RW(in1_min, ltc2945_value, LTC2945_MIN_VIN_THRES_H);
343
+static SENSOR_DEVICE_ATTR_RW(in1_max, ltc2945_value, LTC2945_MAX_VIN_THRES_H);
344
+static SENSOR_DEVICE_ATTR_RO(in1_lowest, ltc2945_value, LTC2945_MIN_VIN_H);
345
+static SENSOR_DEVICE_ATTR_RO(in1_highest, ltc2945_value, LTC2945_MAX_VIN_H);
346
+static SENSOR_DEVICE_ATTR_WO(in1_reset_history, ltc2945_history,
347
+			     LTC2945_MIN_VIN_H);
362348 
363
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc2945_show_value, NULL,
364
-			  LTC2945_ADIN_H);
365
-static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, ltc2945_show_value,
366
-			  ltc2945_set_value, LTC2945_MIN_ADIN_THRES_H);
367
-static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, ltc2945_show_value,
368
-			  ltc2945_set_value, LTC2945_MAX_ADIN_THRES_H);
369
-static SENSOR_DEVICE_ATTR(in2_lowest, S_IRUGO, ltc2945_show_value, NULL,
370
-			  LTC2945_MIN_ADIN_H);
371
-static SENSOR_DEVICE_ATTR(in2_highest, S_IRUGO, ltc2945_show_value, NULL,
372
-			  LTC2945_MAX_ADIN_H);
373
-static SENSOR_DEVICE_ATTR(in2_reset_history, S_IWUSR, NULL,
374
-			  ltc2945_reset_history, LTC2945_MIN_ADIN_H);
349
+static SENSOR_DEVICE_ATTR_RO(in2_input, ltc2945_value, LTC2945_ADIN_H);
350
+static SENSOR_DEVICE_ATTR_RW(in2_min, ltc2945_value, LTC2945_MIN_ADIN_THRES_H);
351
+static SENSOR_DEVICE_ATTR_RW(in2_max, ltc2945_value, LTC2945_MAX_ADIN_THRES_H);
352
+static SENSOR_DEVICE_ATTR_RO(in2_lowest, ltc2945_value, LTC2945_MIN_ADIN_H);
353
+static SENSOR_DEVICE_ATTR_RO(in2_highest, ltc2945_value, LTC2945_MAX_ADIN_H);
354
+static SENSOR_DEVICE_ATTR_WO(in2_reset_history, ltc2945_history,
355
+			     LTC2945_MIN_ADIN_H);
375356 
376357 /* Voltage alarms */
377358 
378
-static SENSOR_DEVICE_ATTR(in1_min_alarm, S_IRUGO, ltc2945_show_bool, NULL,
379
-			  FAULT_VIN_UV);
380
-static SENSOR_DEVICE_ATTR(in1_max_alarm, S_IRUGO, ltc2945_show_bool, NULL,
381
-			  FAULT_VIN_OV);
382
-static SENSOR_DEVICE_ATTR(in2_min_alarm, S_IRUGO, ltc2945_show_bool, NULL,
383
-			  FAULT_ADIN_UV);
384
-static SENSOR_DEVICE_ATTR(in2_max_alarm, S_IRUGO, ltc2945_show_bool, NULL,
385
-			  FAULT_ADIN_OV);
359
+static SENSOR_DEVICE_ATTR_RO(in1_min_alarm, ltc2945_bool, FAULT_VIN_UV);
360
+static SENSOR_DEVICE_ATTR_RO(in1_max_alarm, ltc2945_bool, FAULT_VIN_OV);
361
+static SENSOR_DEVICE_ATTR_RO(in2_min_alarm, ltc2945_bool, FAULT_ADIN_UV);
362
+static SENSOR_DEVICE_ATTR_RO(in2_max_alarm, ltc2945_bool, FAULT_ADIN_OV);
386363 
387364 /* Currents (via sense resistor) */
388365 
389
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc2945_show_value, NULL,
390
-			  LTC2945_SENSE_H);
391
-static SENSOR_DEVICE_ATTR(curr1_min, S_IRUGO | S_IWUSR, ltc2945_show_value,
392
-			  ltc2945_set_value, LTC2945_MIN_SENSE_THRES_H);
393
-static SENSOR_DEVICE_ATTR(curr1_max, S_IRUGO | S_IWUSR, ltc2945_show_value,
394
-			  ltc2945_set_value, LTC2945_MAX_SENSE_THRES_H);
395
-static SENSOR_DEVICE_ATTR(curr1_lowest, S_IRUGO, ltc2945_show_value, NULL,
396
-			  LTC2945_MIN_SENSE_H);
397
-static SENSOR_DEVICE_ATTR(curr1_highest, S_IRUGO, ltc2945_show_value, NULL,
398
-			  LTC2945_MAX_SENSE_H);
399
-static SENSOR_DEVICE_ATTR(curr1_reset_history, S_IWUSR, NULL,
400
-			  ltc2945_reset_history, LTC2945_MIN_SENSE_H);
366
+static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc2945_value, LTC2945_SENSE_H);
367
+static SENSOR_DEVICE_ATTR_RW(curr1_min, ltc2945_value,
368
+			     LTC2945_MIN_SENSE_THRES_H);
369
+static SENSOR_DEVICE_ATTR_RW(curr1_max, ltc2945_value,
370
+			     LTC2945_MAX_SENSE_THRES_H);
371
+static SENSOR_DEVICE_ATTR_RO(curr1_lowest, ltc2945_value, LTC2945_MIN_SENSE_H);
372
+static SENSOR_DEVICE_ATTR_RO(curr1_highest, ltc2945_value,
373
+			     LTC2945_MAX_SENSE_H);
374
+static SENSOR_DEVICE_ATTR_WO(curr1_reset_history, ltc2945_history,
375
+			     LTC2945_MIN_SENSE_H);
401376 
402377 /* Current alarms */
403378 
404
-static SENSOR_DEVICE_ATTR(curr1_min_alarm, S_IRUGO, ltc2945_show_bool, NULL,
405
-			  FAULT_SENSE_UV);
406
-static SENSOR_DEVICE_ATTR(curr1_max_alarm, S_IRUGO, ltc2945_show_bool, NULL,
407
-			  FAULT_SENSE_OV);
379
+static SENSOR_DEVICE_ATTR_RO(curr1_min_alarm, ltc2945_bool, FAULT_SENSE_UV);
380
+static SENSOR_DEVICE_ATTR_RO(curr1_max_alarm, ltc2945_bool, FAULT_SENSE_OV);
408381 
409382 /* Power */
410383 
411
-static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, ltc2945_show_value, NULL,
412
-			  LTC2945_POWER_H);
413
-static SENSOR_DEVICE_ATTR(power1_min, S_IRUGO | S_IWUSR, ltc2945_show_value,
414
-			  ltc2945_set_value, LTC2945_MIN_POWER_THRES_H);
415
-static SENSOR_DEVICE_ATTR(power1_max, S_IRUGO | S_IWUSR, ltc2945_show_value,
416
-			  ltc2945_set_value, LTC2945_MAX_POWER_THRES_H);
417
-static SENSOR_DEVICE_ATTR(power1_input_lowest, S_IRUGO, ltc2945_show_value,
418
-			  NULL, LTC2945_MIN_POWER_H);
419
-static SENSOR_DEVICE_ATTR(power1_input_highest, S_IRUGO, ltc2945_show_value,
420
-			  NULL, LTC2945_MAX_POWER_H);
421
-static SENSOR_DEVICE_ATTR(power1_reset_history, S_IWUSR, NULL,
422
-			  ltc2945_reset_history, LTC2945_MIN_POWER_H);
384
+static SENSOR_DEVICE_ATTR_RO(power1_input, ltc2945_value, LTC2945_POWER_H);
385
+static SENSOR_DEVICE_ATTR_RW(power1_min, ltc2945_value,
386
+			     LTC2945_MIN_POWER_THRES_H);
387
+static SENSOR_DEVICE_ATTR_RW(power1_max, ltc2945_value,
388
+			     LTC2945_MAX_POWER_THRES_H);
389
+static SENSOR_DEVICE_ATTR_RO(power1_input_lowest, ltc2945_value,
390
+			     LTC2945_MIN_POWER_H);
391
+static SENSOR_DEVICE_ATTR_RO(power1_input_highest, ltc2945_value,
392
+			     LTC2945_MAX_POWER_H);
393
+static SENSOR_DEVICE_ATTR_WO(power1_reset_history, ltc2945_history,
394
+			     LTC2945_MIN_POWER_H);
423395 
424396 /* Power alarms */
425397 
426
-static SENSOR_DEVICE_ATTR(power1_min_alarm, S_IRUGO, ltc2945_show_bool, NULL,
427
-			  FAULT_POWER_UV);
428
-static SENSOR_DEVICE_ATTR(power1_max_alarm, S_IRUGO, ltc2945_show_bool, NULL,
429
-			  FAULT_POWER_OV);
398
+static SENSOR_DEVICE_ATTR_RO(power1_min_alarm, ltc2945_bool, FAULT_POWER_UV);
399
+static SENSOR_DEVICE_ATTR_RO(power1_max_alarm, ltc2945_bool, FAULT_POWER_OV);
430400 
431401 static struct attribute *ltc2945_attrs[] = {
432402 	&sensor_dev_attr_in1_input.dev_attr.attr,
....@@ -475,8 +445,7 @@
475445 	.max_register = LTC2945_MIN_ADIN_THRES_L,
476446 };
477447 
478
-static int ltc2945_probe(struct i2c_client *client,
479
-			 const struct i2c_device_id *id)
448
+static int ltc2945_probe(struct i2c_client *client)
480449 {
481450 	struct device *dev = &client->dev;
482451 	struct device *hwmon_dev;
....@@ -508,7 +477,7 @@
508477 	.driver = {
509478 		   .name = "ltc2945",
510479 		   },
511
-	.probe = ltc2945_probe,
480
+	.probe_new = ltc2945_probe,
512481 	.id_table = ltc2945_id,
513482 };
514483