1842 	urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */  in dlfb_urb_completion()
1844 	spin_lock_irqsave(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1845 	list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_urb_completion()
1846 	dlfb->urbs.available++;  in dlfb_urb_completion()
1847 	spin_unlock_irqrestore(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1849 	up(&dlfb->urbs.limit_sem);  in dlfb_urb_completion()
1854 	int count = dlfb->urbs.count;  in dlfb_free_urb_list()
1861 		down(&dlfb->urbs.limit_sem);  in dlfb_free_urb_list()
1863 		spin_lock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1865 		node = dlfb->urbs.list.next; /* have reserved one with sem */  in dlfb_free_urb_list()
1868 		spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1874 		usb_free_coherent(urb->dev, dlfb->urbs.size,  in dlfb_free_urb_list()
1880 	dlfb->urbs.count = 0;  in dlfb_free_urb_list()
1890 	spin_lock_init(&dlfb->urbs.lock);  in dlfb_alloc_urb_list()
1893 	dlfb->urbs.size = size;  in dlfb_alloc_urb_list()
1894 	INIT_LIST_HEAD(&dlfb->urbs.list);  in dlfb_alloc_urb_list()
1896 	sema_init(&dlfb->urbs.limit_sem, 0);  in dlfb_alloc_urb_list()
1897 	dlfb->urbs.count = 0;  in dlfb_alloc_urb_list()
1898 	dlfb->urbs.available = 0;  in dlfb_alloc_urb_list()
1900 	while (dlfb->urbs.count * size < wanted_size) {  in dlfb_alloc_urb_list()
1931 		list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_alloc_urb_list()
1933 		up(&dlfb->urbs.limit_sem);  in dlfb_alloc_urb_list()
1934 		dlfb->urbs.count++;  in dlfb_alloc_urb_list()
1935 		dlfb->urbs.available++;  in dlfb_alloc_urb_list()
1938 	return dlfb->urbs.count;  in dlfb_alloc_urb_list()
1948 	ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT);  in dlfb_get_urb()
1953 			 ret, dlfb->urbs.available);  in dlfb_get_urb()
1957 	spin_lock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1959 	BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */  in dlfb_get_urb()
1960 	entry = dlfb->urbs.list.next;  in dlfb_get_urb()
1962 	dlfb->urbs.available--;  in dlfb_get_urb()
1964 	spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1974 	BUG_ON(len > dlfb->urbs.size);  in dlfb_submit_urb()