diff options
| -rw-r--r-- | drivers/power/power_supply_core.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 2ed4a4a6b3c5..15da277e0e8d 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -659,7 +659,6 @@ __power_supply_register(struct device *parent, dev->release = power_supply_dev_release; dev_set_drvdata(dev, psy); psy->desc = desc; - atomic_inc(&psy->use_cnt); if (cfg) { psy->drv_data = cfg->drv_data; psy->of_node = cfg->of_node; @@ -700,6 +699,16 @@ __power_supply_register(struct device *parent, if (rc) goto create_triggers_failed; + /* + * Update use_cnt after any uevents (most notably from device_add()). + * We are here still during driver's probe but + * the power_supply_uevent() calls back driver's get_property + * method so: + * 1. Driver did not assigned the returned struct power_supply, + * 2. Driver could not finish initialization (anything in its probe + * after calling power_supply_register()). + */ + atomic_inc(&psy->use_cnt); power_supply_changed(psy); return psy; |