diff options
| -rw-r--r-- | drivers/power/power_supply_core.c | 7 | ||||
| -rw-r--r-- | include/linux/power_supply.h | 1 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 329b46b2327d..b10c121244e5 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -147,6 +147,12 @@ struct power_supply *power_supply_get_by_name(char *name) } EXPORT_SYMBOL_GPL(power_supply_get_by_name); +int power_supply_powers(struct power_supply *psy, struct device *dev) +{ + return sysfs_create_link_nowarn(&psy->dev->kobj, &dev->kobj, "powers"); +} +EXPORT_SYMBOL_GPL(power_supply_powers); + static void power_supply_dev_release(struct device *dev) { pr_debug("device: '%s': %s\n", dev_name(dev), __func__); @@ -202,6 +208,7 @@ EXPORT_SYMBOL_GPL(power_supply_register); void power_supply_unregister(struct power_supply *psy) { cancel_work_sync(&psy->changed_work); + sysfs_remove_link(&psy->dev->kobj, "powers"); power_supply_remove_triggers(psy); device_unregister(psy->dev); } diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 040a7b08e7c7..2e3c8279b3b0 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -218,6 +218,7 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } extern int power_supply_register(struct device *parent, struct power_supply *psy); extern void power_supply_unregister(struct power_supply *psy); +extern int power_supply_powers(struct power_supply *psy, struct device *dev); /* For APM emulation, think legacy userspace. */ extern struct class *power_supply_class; |