Lines Matching +full:- +full:- +full:retry +full:- +full:all +full:- +full:errors

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * w83l785ts.c - Part of lm_sensors, Linux kernel modules for hardware
5  * Copyright (C) 2003-2009  Jean Delvare <[email protected]>
7  * Inspired from the lm83 driver. The W83L785TS-S is a sensor chip made
11  *   http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L785TS-S.pdf
27 #include <linux/hwmon-sysfs.h>
42  * The W83L785TS-S registers
56  * The W83L785TS-S uses signed 8-bit values.
73  * Driver data (common to all clients)
117 	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));  in show_temp()
127 /* Return 0 if detection is successful, -ENODEV otherwise */
131 	struct i2c_adapter *adapter = client->adapter;  in w83l785ts_detect()
136 		return -ENODEV;  in w83l785ts_detect()
141 		dev_dbg(&adapter->dev,  in w83l785ts_detect()
142 			"W83L785TS-S detection failed at 0x%02x\n",  in w83l785ts_detect()
143 			client->addr);  in w83l785ts_detect()
144 		return -ENODEV;  in w83l785ts_detect()
153 	 || chip_id != 0x70) {		/* W83L785TS-S */  in w83l785ts_detect()
154 		dev_dbg(&adapter->dev,  in w83l785ts_detect()
157 		return -ENODEV;  in w83l785ts_detect()
160 	strscpy(info->type, "w83l785ts", I2C_NAME_SIZE);  in w83l785ts_detect()
168 	struct device *dev = &client->dev;  in w83l785ts_probe()
173 		return -ENOMEM;  in w83l785ts_probe()
176 	mutex_init(&data->update_lock);  in w83l785ts_probe()
192 	data->hwmon_dev = hwmon_device_register(dev);  in w83l785ts_probe()
193 	if (IS_ERR(data->hwmon_dev)) {  in w83l785ts_probe()
194 		err = PTR_ERR(data->hwmon_dev);  in w83l785ts_probe()
210 	hwmon_device_unregister(data->hwmon_dev);  in w83l785ts_remove()
211 	device_remove_file(&client->dev,  in w83l785ts_remove()
213 	device_remove_file(&client->dev,  in w83l785ts_remove()
228 		dev = &client->dev;  in w83l785ts_read_value()
231 		dev = &client->adapter->dev;  in w83l785ts_read_value()
236 	 * Frequent read errors have been reported on Asus boards, so we  in w83l785ts_read_value()
237 	 * retry on read errors. If it still fails (unlikely), return the  in w83l785ts_read_value()
247 		dev_dbg(dev, "%sRead failed, will retry in %d.\n", prefix, i);  in w83l785ts_read_value()
261 	mutex_lock(&data->update_lock);  in w83l785ts_update_device()
263 	if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {  in w83l785ts_update_device()
264 		dev_dbg(&client->dev, "Updating w83l785ts data.\n");  in w83l785ts_update_device()
265 		data->temp[0] = w83l785ts_read_value(client,  in w83l785ts_update_device()
266 				W83L785TS_REG_TEMP, data->temp[0]);  in w83l785ts_update_device()
267 		data->temp[1] = w83l785ts_read_value(client,  in w83l785ts_update_device()
268 				W83L785TS_REG_TEMP_OVER, data->temp[1]);  in w83l785ts_update_device()
270 		data->last_updated = jiffies;  in w83l785ts_update_device()
271 		data->valid = true;  in w83l785ts_update_device()
274 	mutex_unlock(&data->update_lock);  in w83l785ts_update_device()
282 MODULE_DESCRIPTION("W83L785TS-S driver");