struct device *parent = umc->dev.parent;
int ret = 0;
- if(down_trylock(&parent->sem))
+ if (device_trylock(parent))
return -EAGAIN;
ret = device_for_each_child(parent, parent, umc_bus_pre_reset_helper);
if (ret >= 0)
ret = device_for_each_child(parent, parent, umc_bus_post_reset_helper);
- up(&parent->sem);
+ device_unlock(parent);
return ret;
}