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2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376 
 kernel/drivers/hwmon/smsc47m1.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * smsc47m1.c - Part of lm_sensors, Linux kernel modules
34  *		for hardware monitoring
....@@ -10,20 +11,6 @@
1011  * Copyright (C) 2004-2007 Jean Delvare <jdelvare@suse.de>
1112  * Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com>
1213  *			and Jean Delvare
13
- *
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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.
2714  */
2815 
2916 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -207,8 +194,8 @@
207194 	return data;
208195 }
209196 
210
-static ssize_t get_fan(struct device *dev, struct device_attribute
211
-		       *devattr, char *buf)
197
+static ssize_t fan_show(struct device *dev, struct device_attribute *devattr,
198
+			char *buf)
212199 {
213200 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
214201 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
....@@ -226,8 +213,8 @@
226213 	return sprintf(buf, "%d\n", rpm);
227214 }
228215 
229
-static ssize_t get_fan_min(struct device *dev, struct device_attribute
230
-			   *devattr, char *buf)
216
+static ssize_t fan_min_show(struct device *dev,
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+			    struct device_attribute *devattr, char *buf)
231218 {
232219 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
233220 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
....@@ -237,32 +224,32 @@
237224 	return sprintf(buf, "%d\n", rpm);
238225 }
239226 
240
-static ssize_t get_fan_div(struct device *dev, struct device_attribute
241
-			   *devattr, char *buf)
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+static ssize_t fan_div_show(struct device *dev,
228
+			    struct device_attribute *devattr, char *buf)
242229 {
243230 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
244231 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
245232 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
246233 }
247234 
248
-static ssize_t get_fan_alarm(struct device *dev, struct device_attribute
249
-			     *devattr, char *buf)
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+static ssize_t fan_alarm_show(struct device *dev,
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+			      struct device_attribute *devattr, char *buf)
250237 {
251238 	int bitnr = to_sensor_dev_attr(devattr)->index;
252239 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
253240 	return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
254241 }
255242 
256
-static ssize_t get_pwm(struct device *dev, struct device_attribute
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-		       *devattr, char *buf)
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+static ssize_t pwm_show(struct device *dev, struct device_attribute *devattr,
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+			char *buf)
258245 {
259246 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
260247 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
261248 	return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[attr->index]));
262249 }
263250 
264
-static ssize_t get_pwm_en(struct device *dev, struct device_attribute
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-			  *devattr, char *buf)
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+static ssize_t pwm_en_show(struct device *dev,
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+			   struct device_attribute *devattr, char *buf)
266253 {
267254 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
268255 	struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
....@@ -276,8 +263,9 @@
276263 	return sprintf(buf, "%d\n", data->alarms);
277264 }
278265 
279
-static ssize_t set_fan_min(struct device *dev, struct device_attribute
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-			   *devattr, const char *buf, size_t count)
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+static ssize_t fan_min_store(struct device *dev,
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+			     struct device_attribute *devattr,
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+			     const char *buf, size_t count)
281269 {
282270 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
283271 	struct smsc47m1_data *data = dev_get_drvdata(dev);
....@@ -312,8 +300,9 @@
312300  * of least surprise; the user doesn't expect the fan minimum to change just
313301  * because the divider changed.
314302  */
315
-static ssize_t set_fan_div(struct device *dev, struct device_attribute
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-			   *devattr, const char *buf, size_t count)
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+static ssize_t fan_div_store(struct device *dev,
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+			     struct device_attribute *devattr,
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+			     const char *buf, size_t count)
317306 {
318307 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
319308 	struct smsc47m1_data *data = dev_get_drvdata(dev);
....@@ -362,6 +351,8 @@
362351 		tmp |= data->fan_div[2] << 4;
363352 		smsc47m1_write_value(data, SMSC47M2_REG_FANDIV3, tmp);
364353 		break;
354
+	default:
355
+		BUG();
365356 	}
366357 
367358 	/* Preserve fan min */
....@@ -375,8 +366,8 @@
375366 	return count;
376367 }
377368 
378
-static ssize_t set_pwm(struct device *dev, struct device_attribute
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-		       *devattr, const char *buf, size_t count)
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+static ssize_t pwm_store(struct device *dev, struct device_attribute *devattr,
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+			 const char *buf, size_t count)
380371 {
381372 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
382373 	struct smsc47m1_data *data = dev_get_drvdata(dev);
....@@ -401,8 +392,9 @@
401392 	return count;
402393 }
403394 
404
-static ssize_t set_pwm_en(struct device *dev, struct device_attribute
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-			  *devattr, const char *buf, size_t count)
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+static ssize_t pwm_en_store(struct device *dev,
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+			    struct device_attribute *devattr, const char *buf,
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+			    size_t count)
406398 {
407399 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
408400 	struct smsc47m1_data *data = dev_get_drvdata(dev);
....@@ -427,23 +419,24 @@
427419 	return count;
428420 }
429421 
430
-#define fan_present(offset)						\
431
-static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, get_fan,	\
432
-		NULL, offset - 1);					\
433
-static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,		\
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-		get_fan_min, set_fan_min, offset - 1);			\
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-static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,		\
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-		get_fan_div, set_fan_div, offset - 1);			\
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-static SENSOR_DEVICE_ATTR(fan##offset##_alarm, S_IRUGO, get_fan_alarm,	\
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-		NULL, offset - 1);					\
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-static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,		\
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-		get_pwm, set_pwm, offset - 1);				\
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-static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR,	\
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-		get_pwm_en, set_pwm_en, offset - 1)
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-
444
-fan_present(1);
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-fan_present(2);
446
-fan_present(3);
422
+static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0);
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+static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0);
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+static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0);
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+static SENSOR_DEVICE_ATTR_RO(fan1_alarm, fan_alarm, 0);
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+static SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0);
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+static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_en, 0);
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+static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1);
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+static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1);
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+static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1);
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+static SENSOR_DEVICE_ATTR_RO(fan2_alarm, fan_alarm, 1);
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+static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1);
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+static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_en, 1);
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+static SENSOR_DEVICE_ATTR_RO(fan3_input, fan, 2);
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+static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2);
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+static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2);
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+static SENSOR_DEVICE_ATTR_RO(fan3_alarm, fan_alarm, 2);
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+static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2);
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+static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_en, 2);
447440 
448441 static DEVICE_ATTR_RO(alarms);
449442