diff options
Diffstat (limited to 'drivers/hwmon/ltc2990.c')
| -rw-r--r-- | drivers/hwmon/ltc2990.c | 56 |
1 files changed, 22 insertions, 34 deletions
diff --git a/drivers/hwmon/ltc2990.c b/drivers/hwmon/ltc2990.c index 2aefdc58b242..f1c1933c52cf 100644 --- a/drivers/hwmon/ltc2990.c +++ b/drivers/hwmon/ltc2990.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for Linear Technology LTC2990 power monitor * * Copyright (C) 2014 Topic Embedded Products * Author: Mike Looijmans <mike.looijmans@topic.nl> - * - * License: GPLv2 */ #include <linux/bitops.h> @@ -14,7 +13,7 @@ #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of.h> +#include <linux/property.h> #define LTC2990_STATUS 0x00 #define LTC2990_CONTROL 0x01 @@ -136,7 +135,7 @@ static int ltc2990_get_value(struct i2c_client *i2c, int index, int *result) return 0; } -static ssize_t ltc2990_show_value(struct device *dev, +static ssize_t ltc2990_value_show(struct device *dev, struct device_attribute *da, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); @@ -148,13 +147,13 @@ static ssize_t ltc2990_show_value(struct device *dev, if (unlikely(ret < 0)) return ret; - return snprintf(buf, PAGE_SIZE, "%d\n", value); + return sysfs_emit(buf, "%d\n", value); } static umode_t ltc2990_attrs_visible(struct kobject *kobj, struct attribute *a, int n) { - struct device *dev = container_of(kobj, struct device, kobj); + struct device *dev = kobj_to_dev(kobj); struct ltc2990_data *data = dev_get_drvdata(dev); struct device_attribute *da = container_of(a, struct device_attribute, attr); @@ -170,26 +169,16 @@ static umode_t ltc2990_attrs_visible(struct kobject *kobj, return 0; } -static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_TEMP1); -static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_TEMP2); -static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_TEMP3); -static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_CURR1); -static SENSOR_DEVICE_ATTR(curr2_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_CURR2); -static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_IN0); -static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_IN1); -static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_IN2); -static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_IN3); -static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, ltc2990_show_value, NULL, - LTC2990_IN4); +static SENSOR_DEVICE_ATTR_RO(temp1_input, ltc2990_value, LTC2990_TEMP1); +static SENSOR_DEVICE_ATTR_RO(temp2_input, ltc2990_value, LTC2990_TEMP2); +static SENSOR_DEVICE_ATTR_RO(temp3_input, ltc2990_value, LTC2990_TEMP3); +static SENSOR_DEVICE_ATTR_RO(curr1_input, ltc2990_value, LTC2990_CURR1); +static SENSOR_DEVICE_ATTR_RO(curr2_input, ltc2990_value, LTC2990_CURR2); +static SENSOR_DEVICE_ATTR_RO(in0_input, ltc2990_value, LTC2990_IN0); +static SENSOR_DEVICE_ATTR_RO(in1_input, ltc2990_value, LTC2990_IN1); +static SENSOR_DEVICE_ATTR_RO(in2_input, ltc2990_value, LTC2990_IN2); +static SENSOR_DEVICE_ATTR_RO(in3_input, ltc2990_value, LTC2990_IN3); +static SENSOR_DEVICE_ATTR_RO(in4_input, ltc2990_value, LTC2990_IN4); static struct attribute *ltc2990_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, @@ -211,13 +200,11 @@ static const struct attribute_group ltc2990_group = { }; __ATTRIBUTE_GROUPS(ltc2990); -static int ltc2990_i2c_probe(struct i2c_client *i2c, - const struct i2c_device_id *id) +static int ltc2990_i2c_probe(struct i2c_client *i2c) { int ret; struct device *hwmon_dev; struct ltc2990_data *data; - struct device_node *of_node = i2c->dev.of_node; if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) @@ -229,9 +216,10 @@ static int ltc2990_i2c_probe(struct i2c_client *i2c, data->i2c = i2c; - if (of_node) { - ret = of_property_read_u32_array(of_node, "lltc,meas-mode", - data->mode, 2); + if (dev_fwnode(&i2c->dev)) { + ret = device_property_read_u32_array(&i2c->dev, + "lltc,meas-mode", + data->mode, 2); if (ret < 0) return ret; @@ -271,7 +259,7 @@ static int ltc2990_i2c_probe(struct i2c_client *i2c, } static const struct i2c_device_id ltc2990_i2c_id[] = { - { "ltc2990", 0 }, + { "ltc2990" }, {} }; MODULE_DEVICE_TABLE(i2c, ltc2990_i2c_id); @@ -280,7 +268,7 @@ static struct i2c_driver ltc2990_i2c_driver = { .driver = { .name = "ltc2990", }, - .probe = ltc2990_i2c_probe, + .probe = ltc2990_i2c_probe, .id_table = ltc2990_i2c_id, }; |