diff options
Diffstat (limited to 'drivers/power/power_supply_core.c')
| -rw-r--r-- | drivers/power/power_supply_core.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index b13cd074c52a..a74d8ca383a1 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -491,8 +491,11 @@ int power_supply_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { - if (atomic_read(&psy->use_cnt) <= 0) + if (atomic_read(&psy->use_cnt) <= 0) { + if (!psy->initialized) + return -EAGAIN; return -ENODEV; + } return psy->desc->get_property(psy, psp, val); } @@ -785,6 +788,7 @@ __power_supply_register(struct device *parent, * after calling power_supply_register()). */ atomic_inc(&psy->use_cnt); + psy->initialized = true; queue_delayed_work(system_power_efficient_wq, &psy->deferred_register_work, |