1839 	urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */  in dlfb_urb_completion()
1841 	spin_lock_irqsave(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1842 	list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_urb_completion()
1843 	dlfb->urbs.available++;  in dlfb_urb_completion()
1844 	spin_unlock_irqrestore(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1846 	up(&dlfb->urbs.limit_sem);  in dlfb_urb_completion()
1851 	int count = dlfb->urbs.count;  in dlfb_free_urb_list()
1858 		down(&dlfb->urbs.limit_sem);  in dlfb_free_urb_list()
1860 		spin_lock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1862 		node = dlfb->urbs.list.next; /* have reserved one with sem */  in dlfb_free_urb_list()
1865 		spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1871 		usb_free_coherent(urb->dev, dlfb->urbs.size,  in dlfb_free_urb_list()
1877 	dlfb->urbs.count = 0;  in dlfb_free_urb_list()
1887 	spin_lock_init(&dlfb->urbs.lock);  in dlfb_alloc_urb_list()
1890 	dlfb->urbs.size = size;  in dlfb_alloc_urb_list()
1891 	INIT_LIST_HEAD(&dlfb->urbs.list);  in dlfb_alloc_urb_list()
1893 	sema_init(&dlfb->urbs.limit_sem, 0);  in dlfb_alloc_urb_list()
1894 	dlfb->urbs.count = 0;  in dlfb_alloc_urb_list()
1895 	dlfb->urbs.available = 0;  in dlfb_alloc_urb_list()
1897 	while (dlfb->urbs.count * size < wanted_size) {  in dlfb_alloc_urb_list()
1929 		list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_alloc_urb_list()
1931 		up(&dlfb->urbs.limit_sem);  in dlfb_alloc_urb_list()
1932 		dlfb->urbs.count++;  in dlfb_alloc_urb_list()
1933 		dlfb->urbs.available++;  in dlfb_alloc_urb_list()
1936 	return dlfb->urbs.count;  in dlfb_alloc_urb_list()
1946 	ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT);  in dlfb_get_urb()
1951 			 ret, dlfb->urbs.available);  in dlfb_get_urb()
1955 	spin_lock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1957 	BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */  in dlfb_get_urb()
1958 	entry = dlfb->urbs.list.next;  in dlfb_get_urb()
1960 	dlfb->urbs.available--;  in dlfb_get_urb()
1962 	spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1972 	BUG_ON(len > dlfb->urbs.size);  in dlfb_submit_urb()