struct device *dev;
struct power_supply bat;
struct device *w1_dev;
- struct task_struct *mutex_holder;
};
enum current_types {
static inline int ds2781_battery_io(struct ds2781_device_info *dev_info,
char *buf, int addr, size_t count, int io)
{
- if (dev_info->mutex_holder == current)
- return w1_ds2781_io_nolock(dev_info->w1_dev, buf, addr,
- count, io);
- else
- return w1_ds2781_io(dev_info->w1_dev, buf, addr, count, io);
+ return w1_ds2781_io(dev_info->w1_dev, buf, addr, count, io);
}
int w1_ds2781_read(struct ds2781_device_info *dev_info, char *buf,
struct power_supply *psy = to_power_supply(dev);
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
- count = min_t(loff_t, count,
- DS2781_EEPROM_BLOCK1_END -
- DS2781_EEPROM_BLOCK1_START + 1 - off);
+ count = min_t(loff_t, count, DS2781_PARAM_EEPROM_SIZE - off);
return ds2781_read_block(dev_info, buf,
DS2781_EEPROM_BLOCK1_START + off, count);
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
int ret;
- count = min_t(loff_t, count,
- DS2781_EEPROM_BLOCK1_END -
- DS2781_EEPROM_BLOCK1_START + 1 - off);
+ count = min_t(loff_t, count, DS2781_PARAM_EEPROM_SIZE - off);
ret = ds2781_write(dev_info, buf,
DS2781_EEPROM_BLOCK1_START + off, count);
.name = "param_eeprom",
.mode = S_IRUGO | S_IWUSR,
},
- .size = DS2781_EEPROM_BLOCK1_END - DS2781_EEPROM_BLOCK1_START + 1,
+ .size = DS2781_PARAM_EEPROM_SIZE,
.read = ds2781_read_param_eeprom_bin,
.write = ds2781_write_param_eeprom_bin,
};
struct power_supply *psy = to_power_supply(dev);
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
- count = min_t(loff_t, count,
- DS2781_EEPROM_BLOCK0_END -
- DS2781_EEPROM_BLOCK0_START + 1 - off);
+ count = min_t(loff_t, count, DS2781_USER_EEPROM_SIZE - off);
return ds2781_read_block(dev_info, buf,
DS2781_EEPROM_BLOCK0_START + off, count);
struct ds2781_device_info *dev_info = to_ds2781_device_info(psy);
int ret;
- count = min_t(loff_t, count,
- DS2781_EEPROM_BLOCK0_END -
- DS2781_EEPROM_BLOCK0_START + 1 - off);
+ count = min_t(loff_t, count, DS2781_USER_EEPROM_SIZE - off);
ret = ds2781_write(dev_info, buf,
DS2781_EEPROM_BLOCK0_START + off, count);
.name = "user_eeprom",
.mode = S_IRUGO | S_IWUSR,
},
- .size = DS2781_EEPROM_BLOCK0_END - DS2781_EEPROM_BLOCK0_START + 1,
+ .size = DS2781_USER_EEPROM_SIZE,
.read = ds2781_read_user_eeprom_bin,
.write = ds2781_write_user_eeprom_bin,
};
dev_info->bat.properties = ds2781_battery_props;
dev_info->bat.num_properties = ARRAY_SIZE(ds2781_battery_props);
dev_info->bat.get_property = ds2781_battery_get_property;
- dev_info->mutex_holder = current;
ret = power_supply_register(&pdev->dev, &dev_info->bat);
if (ret) {
goto fail_remove_bin_file;
}
- dev_info->mutex_holder = NULL;
-
return 0;
fail_remove_bin_file:
{
struct ds2781_device_info *dev_info = platform_get_drvdata(pdev);
- dev_info->mutex_holder = current;
-
/* remove attributes */
sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2781_attr_group);