1846 	urb->transfer_buffer_length = dlfb->urbs.size; /* reset to actual */  in dlfb_urb_completion()
1848 	spin_lock_irqsave(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1849 	list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_urb_completion()
1850 	dlfb->urbs.available++;  in dlfb_urb_completion()
1851 	spin_unlock_irqrestore(&dlfb->urbs.lock, flags);  in dlfb_urb_completion()
1853 	up(&dlfb->urbs.limit_sem);  in dlfb_urb_completion()
1858 	int count = dlfb->urbs.count;  in dlfb_free_urb_list()
1865 		down(&dlfb->urbs.limit_sem);  in dlfb_free_urb_list()
1867 		spin_lock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1869 		node = dlfb->urbs.list.next; /* have reserved one with sem */  in dlfb_free_urb_list()
1872 		spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_free_urb_list()
1878 		usb_free_coherent(urb->dev, dlfb->urbs.size,  in dlfb_free_urb_list()
1884 	dlfb->urbs.count = 0;  in dlfb_free_urb_list()
1894 	spin_lock_init(&dlfb->urbs.lock);  in dlfb_alloc_urb_list()
1897 	dlfb->urbs.size = size;  in dlfb_alloc_urb_list()
1898 	INIT_LIST_HEAD(&dlfb->urbs.list);  in dlfb_alloc_urb_list()
1900 	sema_init(&dlfb->urbs.limit_sem, 0);  in dlfb_alloc_urb_list()
1901 	dlfb->urbs.count = 0;  in dlfb_alloc_urb_list()
1902 	dlfb->urbs.available = 0;  in dlfb_alloc_urb_list()
1904 	while (dlfb->urbs.count * size < wanted_size) {  in dlfb_alloc_urb_list()
1936 		list_add_tail(&unode->entry, &dlfb->urbs.list);  in dlfb_alloc_urb_list()
1938 		up(&dlfb->urbs.limit_sem);  in dlfb_alloc_urb_list()
1939 		dlfb->urbs.count++;  in dlfb_alloc_urb_list()
1940 		dlfb->urbs.available++;  in dlfb_alloc_urb_list()
1943 	return dlfb->urbs.count;  in dlfb_alloc_urb_list()
1953 	ret = down_timeout(&dlfb->urbs.limit_sem, GET_URB_TIMEOUT);  in dlfb_get_urb()
1958 			 ret, dlfb->urbs.available);  in dlfb_get_urb()
1962 	spin_lock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1964 	BUG_ON(list_empty(&dlfb->urbs.list)); /* reserved one with limit_sem */  in dlfb_get_urb()
1965 	entry = dlfb->urbs.list.next;  in dlfb_get_urb()
1967 	dlfb->urbs.available--;  in dlfb_get_urb()
1969 	spin_unlock_irq(&dlfb->urbs.lock);  in dlfb_get_urb()
1979 	BUG_ON(len > dlfb->urbs.size);  in dlfb_submit_urb()