1833 	urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */  in dlfb_urb_completion()
1835 	spin_lock_irqsave(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1836 	list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_urb_completion()
1837 	dlfb->urbs.available++;  in dlfb_urb_completion()
1838 	spin_unlock_irqrestore(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1840 	up(&dlfb->urbs.limit_sem);  in dlfb_urb_completion()
1845 	int count = dlfb->urbs.count;  in dlfb_free_urb_list()
1852 		down(&dlfb->urbs.limit_sem);  in dlfb_free_urb_list()
1854 		spin_lock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1856 		node = dlfb->urbs.list.next; /* have reserved one with sem */  in dlfb_free_urb_list()
1859 		spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1865 		usb_free_coherent(urb->dev, dlfb->urbs.size,  in dlfb_free_urb_list()
1871 	dlfb->urbs.count = 0;  in dlfb_free_urb_list()
1881 	spin_lock_init(&dlfb->urbs.lock);  in dlfb_alloc_urb_list()
1884 	dlfb->urbs.size = size;  in dlfb_alloc_urb_list()
1885 	INIT_LIST_HEAD(&dlfb->urbs.list);  in dlfb_alloc_urb_list()
1887 	sema_init(&dlfb->urbs.limit_sem, 0);  in dlfb_alloc_urb_list()
1888 	dlfb->urbs.count = 0;  in dlfb_alloc_urb_list()
1889 	dlfb->urbs.available = 0;  in dlfb_alloc_urb_list()
1891 	while (dlfb->urbs.count * size < wanted_size) {  in dlfb_alloc_urb_list()
1922 		list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_alloc_urb_list()
1924 		up(&dlfb->urbs.limit_sem);  in dlfb_alloc_urb_list()
1925 		dlfb->urbs.count++;  in dlfb_alloc_urb_list()
1926 		dlfb->urbs.available++;  in dlfb_alloc_urb_list()
1929 	return dlfb->urbs.count;  in dlfb_alloc_urb_list()
1939 	ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT);  in dlfb_get_urb()
1944 			 ret, dlfb->urbs.available);  in dlfb_get_urb()
1948 	spin_lock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1950 	BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */  in dlfb_get_urb()
1951 	entry = dlfb->urbs.list.next;  in dlfb_get_urb()
1953 	dlfb->urbs.available--;  in dlfb_get_urb()
1955 	spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1965 	BUG_ON(len > dlfb->urbs.size);  in dlfb_submit_urb()