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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/hwmon/ads7828.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * ads7828.c - driver for TI ADS7828 8-channel A/D converter and compatibles
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  * (C) 2007 EADS Astrium
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@@ -8,21 +9,7 @@
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  *
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  * ADS7830 support, by Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
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  *
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- * For further information, see the Documentation/hwmon/ads7828 file.
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- *
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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.
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+ * For further information, see the Documentation/hwmon/ads7828.rst file.
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  */
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 #include <linux/err.h>
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@@ -62,8 +49,8 @@
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 }
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 /* sysfs callback function */
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-static ssize_t ads7828_show_in(struct device *dev, struct device_attribute *da,
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-			       char *buf)
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+static ssize_t ads7828_in_show(struct device *dev,
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+			       struct device_attribute *da, char *buf)
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 {
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 	struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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 	struct ads7828_data *data = dev_get_drvdata(dev);
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@@ -79,14 +66,14 @@
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 		       DIV_ROUND_CLOSEST(regval * data->lsb_resol, 1000));
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 }
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-static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, ads7828_show_in, NULL, 0);
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-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ads7828_show_in, NULL, 1);
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-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ads7828_show_in, NULL, 2);
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-static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, ads7828_show_in, NULL, 3);
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-static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, ads7828_show_in, NULL, 4);
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-static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, ads7828_show_in, NULL, 5);
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-static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, ads7828_show_in, NULL, 6);
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-static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, ads7828_show_in, NULL, 7);
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+static SENSOR_DEVICE_ATTR_RO(in0_input, ads7828_in, 0);
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+static SENSOR_DEVICE_ATTR_RO(in1_input, ads7828_in, 1);
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+static SENSOR_DEVICE_ATTR_RO(in2_input, ads7828_in, 2);
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+static SENSOR_DEVICE_ATTR_RO(in3_input, ads7828_in, 3);
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+static SENSOR_DEVICE_ATTR_RO(in4_input, ads7828_in, 4);
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+static SENSOR_DEVICE_ATTR_RO(in5_input, ads7828_in, 5);
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+static SENSOR_DEVICE_ATTR_RO(in6_input, ads7828_in, 6);
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+static SENSOR_DEVICE_ATTR_RO(in7_input, ads7828_in, 7);
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 static struct attribute *ads7828_attrs[] = {
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 	&sensor_dev_attr_in0_input.dev_attr.attr,
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@@ -112,8 +99,9 @@
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 	.val_bits = 8,
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 };
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-static int ads7828_probe(struct i2c_client *client,
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-			 const struct i2c_device_id *id)
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+static const struct i2c_device_id ads7828_device_ids[];
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+
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+static int ads7828_probe(struct i2c_client *client)
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 {
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 	struct device *dev = &client->dev;
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 	struct ads7828_platform_data *pdata = dev_get_platdata(dev);
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@@ -154,7 +142,7 @@
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 		chip = (enum ads7828_chips)
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 			of_device_get_match_data(&client->dev);
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 	else
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-		chip = id->driver_data;
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+		chip = i2c_match_id(ads7828_device_ids, client)->driver_data;
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 	/* Bound Vref with min/max values */
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 	vref_mv = clamp_val(vref_mv, ADS7828_EXT_VREF_MV_MIN,
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@@ -200,7 +188,7 @@
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 };
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 MODULE_DEVICE_TABLE(i2c, ads7828_device_ids);
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-static const struct of_device_id ads7828_of_match[] = {
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+static const struct of_device_id __maybe_unused ads7828_of_match[] = {
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 	{
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 		.compatible = "ti,ads7828",
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 		.data = (void *)ads7828
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@@ -220,7 +208,7 @@
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 	},
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 	.id_table = ads7828_device_ids,
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-	.probe = ads7828_probe,
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+	.probe_new = ads7828_probe,
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 };
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 module_i2c_driver(ads7828_driver);