From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/power/supply/ds2781_battery.c | 96 ++++++++++++++----------------------------------
1 files changed, 28 insertions(+), 68 deletions(-)
diff --git a/kernel/drivers/power/supply/ds2781_battery.c b/kernel/drivers/power/supply/ds2781_battery.c
index d1b5a19..3df3c82 100644
--- a/kernel/drivers/power/supply/ds2781_battery.c
+++ b/kernel/drivers/power/supply/ds2781_battery.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* 1-wire client/driver for the Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC
*
* Author: Renata Sayakhova <renata@oktetlabs.ru>
*
* Based on ds2780_battery drivers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/module.h>
@@ -172,7 +168,7 @@
return ret;
/*
* The voltage value is located in 10 bits across the voltage MSB
- * and LSB registers in two's compliment form
+ * and LSB registers in two's complement form
* Sign bit of the voltage value is in bit 7 of the voltage MSB register
* Bits 9 - 3 of the voltage value are in bits 6 - 0 of the
* voltage MSB register
@@ -201,7 +197,7 @@
return ret;
/*
* The temperature value is located in 10 bits across the temperature
- * MSB and LSB registers in two's compliment form
+ * MSB and LSB registers in two's complement form
* Sign bit of the temperature value is in bit 7 of the temperature
* MSB register
* Bits 9 - 3 of the temperature value are in bits 6 - 0 of the
@@ -246,7 +242,7 @@
/*
* The current value is located in 16 bits across the current MSB
- * and LSB registers in two's compliment form
+ * and LSB registers in two's complement form
* Sign bit of the current value is in bit 7 of the current MSB register
* Bits 14 - 8 of the current value are in bits 6 - 0 of the current
* MSB register
@@ -660,7 +656,7 @@
return count;
}
-static const struct bin_attribute ds2781_param_eeprom_bin_attr = {
+static struct bin_attribute ds2781_param_eeprom_bin_attr = {
.attr = {
.name = "param_eeprom",
.mode = S_IRUGO | S_IWUSR,
@@ -706,7 +702,7 @@
return count;
}
-static const struct bin_attribute ds2781_user_eeprom_bin_attr = {
+static struct bin_attribute ds2781_user_eeprom_bin_attr = {
.attr = {
.name = "user_eeprom",
.mode = S_IRUGO | S_IWUSR,
@@ -725,8 +721,7 @@
static DEVICE_ATTR(pio_pin, S_IRUGO | S_IWUSR, ds2781_get_pio_pin,
ds2781_set_pio_pin);
-
-static struct attribute *ds2781_attributes[] = {
+static struct attribute *ds2781_sysfs_attrs[] = {
&dev_attr_pmod_enabled.attr,
&dev_attr_sense_resistor_value.attr,
&dev_attr_rsgain_setting.attr,
@@ -734,14 +729,26 @@
NULL
};
-static const struct attribute_group ds2781_attr_group = {
- .attrs = ds2781_attributes,
+static struct bin_attribute *ds2781_sysfs_bin_attrs[] = {
+ &ds2781_param_eeprom_bin_attr,
+ &ds2781_user_eeprom_bin_attr,
+ NULL,
+};
+
+static const struct attribute_group ds2781_sysfs_group = {
+ .attrs = ds2781_sysfs_attrs,
+ .bin_attrs = ds2781_sysfs_bin_attrs,
+
+};
+
+static const struct attribute_group *ds2781_sysfs_groups[] = {
+ &ds2781_sysfs_group,
+ NULL,
};
static int ds2781_battery_probe(struct platform_device *pdev)
{
struct power_supply_config psy_cfg = {};
- int ret = 0;
struct ds2781_device_info *dev_info;
dev_info = devm_kzalloc(&pdev->dev, sizeof(*dev_info), GFP_KERNEL);
@@ -759,61 +766,15 @@
dev_info->bat_desc.get_property = ds2781_battery_get_property;
psy_cfg.drv_data = dev_info;
+ psy_cfg.attr_grp = ds2781_sysfs_groups;
- dev_info->bat = power_supply_register(&pdev->dev, &dev_info->bat_desc,
- &psy_cfg);
+ dev_info->bat = devm_power_supply_register(&pdev->dev,
+ &dev_info->bat_desc,
+ &psy_cfg);
if (IS_ERR(dev_info->bat)) {
dev_err(dev_info->dev, "failed to register battery\n");
- ret = PTR_ERR(dev_info->bat);
- goto fail;
+ return PTR_ERR(dev_info->bat);
}
-
- ret = sysfs_create_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);
- if (ret) {
- dev_err(dev_info->dev, "failed to create sysfs group\n");
- goto fail_unregister;
- }
-
- ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,
- &ds2781_param_eeprom_bin_attr);
- if (ret) {
- dev_err(dev_info->dev,
- "failed to create param eeprom bin file");
- goto fail_remove_group;
- }
-
- ret = sysfs_create_bin_file(&dev_info->bat->dev.kobj,
- &ds2781_user_eeprom_bin_attr);
- if (ret) {
- dev_err(dev_info->dev,
- "failed to create user eeprom bin file");
- goto fail_remove_bin_file;
- }
-
- return 0;
-
-fail_remove_bin_file:
- sysfs_remove_bin_file(&dev_info->bat->dev.kobj,
- &ds2781_param_eeprom_bin_attr);
-fail_remove_group:
- sysfs_remove_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);
-fail_unregister:
- power_supply_unregister(dev_info->bat);
-fail:
- return ret;
-}
-
-static int ds2781_battery_remove(struct platform_device *pdev)
-{
- struct ds2781_device_info *dev_info = platform_get_drvdata(pdev);
-
- /*
- * Remove attributes before unregistering power supply
- * because 'bat' will be freed on power_supply_unregister() call.
- */
- sysfs_remove_group(&dev_info->bat->dev.kobj, &ds2781_attr_group);
-
- power_supply_unregister(dev_info->bat);
return 0;
}
@@ -823,12 +784,11 @@
.name = "ds2781-battery",
},
.probe = ds2781_battery_probe,
- .remove = ds2781_battery_remove,
};
module_platform_driver(ds2781_battery_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Renata Sayakhova <renata@oktetlabs.ru>");
-MODULE_DESCRIPTION("Maxim/Dallas DS2781 Stand-Alone Fuel Gauage IC driver");
+MODULE_DESCRIPTION("Maxim/Dallas DS2781 Stand-Alone Fuel Gauge IC driver");
MODULE_ALIAS("platform:ds2781-battery");
--
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