need_parent_lock 691 drivers/base/bus.c if (dev->parent && dev->bus->need_parent_lock) need_parent_lock 694 drivers/base/bus.c if (dev->parent && dev->bus->need_parent_lock) need_parent_lock 958 drivers/base/dd.c if (parent && dev->bus->need_parent_lock) need_parent_lock 975 drivers/base/dd.c if (parent && dev->bus->need_parent_lock) need_parent_lock 1926 drivers/usb/core/driver.c .need_parent_lock = true, need_parent_lock 146 include/linux/device.h bool need_parent_lock;