hub_wq 54 drivers/usb/core/hub.c static struct workqueue_struct *hub_wq; hub_wq 664 drivers/usb/core/hub.c if (queue_work(hub_wq, &hub->events)) hub_wq 5559 drivers/usb/core/hub.c hub_wq = alloc_workqueue("usb_hub_wq", WQ_FREEZABLE, 0); hub_wq 5560 drivers/usb/core/hub.c if (hub_wq) hub_wq 5572 drivers/usb/core/hub.c destroy_workqueue(hub_wq);