diff options
Diffstat (limited to 'drivers/power/ds2780_battery.c')
| -rw-r--r-- | drivers/power/ds2780_battery.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/power/ds2780_battery.c b/drivers/power/ds2780_battery.c index de31cae1ba5..74fad941c56 100644 --- a/drivers/power/ds2780_battery.c +++ b/drivers/power/ds2780_battery.c @@ -39,7 +39,6 @@ struct ds2780_device_info { struct device *dev; struct power_supply bat; struct device *w1_dev; - struct task_struct *mutex_holder; }; enum current_types { @@ -64,10 +63,7 @@ static inline struct power_supply *to_power_supply(struct device *dev) static inline int ds2780_battery_io(struct ds2780_device_info *dev_info, char *buf, int addr, size_t count, int io) { - if (dev_info->mutex_holder == current) - return w1_ds2780_io_nolock(dev_info->w1_dev, buf, addr, count, io); - else - return w1_ds2780_io(dev_info->w1_dev, buf, addr, count, io); + return w1_ds2780_io(dev_info->w1_dev, buf, addr, count, io); } static inline int ds2780_read8(struct ds2780_device_info *dev_info, u8 *val, @@ -779,7 +775,6 @@ static int __devinit ds2780_battery_probe(struct platform_device *pdev) dev_info->bat.properties = ds2780_battery_props; dev_info->bat.num_properties = ARRAY_SIZE(ds2780_battery_props); dev_info->bat.get_property = ds2780_battery_get_property; - dev_info->mutex_holder = current; ret = power_supply_register(&pdev->dev, &dev_info->bat); if (ret) { @@ -809,8 +804,6 @@ static int __devinit ds2780_battery_probe(struct platform_device *pdev) goto fail_remove_bin_file; } - dev_info->mutex_holder = NULL; - return 0; fail_remove_bin_file: @@ -830,8 +823,6 @@ static int __devexit ds2780_battery_remove(struct platform_device *pdev) { struct ds2780_device_info *dev_info = platform_get_drvdata(pdev); - dev_info->mutex_holder = current; - /* remove attributes */ sysfs_remove_group(&dev_info->bat.dev->kobj, &ds2780_attr_group); |