127 	up(&unode->dev->urbs.limit_sem);  in udl_release_urb_work()
146 	urb->transfer_buffer_length = udl->urbs.size; /* reset to actual */  in udl_urb_completion()
148 	spin_lock_irqsave(&udl->urbs.lock, flags);  in udl_urb_completion()
149 	list_add_tail(&unode->entry, &udl->urbs.list);  in udl_urb_completion()
150 	udl->urbs.available++;  in udl_urb_completion()
151 	spin_unlock_irqrestore(&udl->urbs.lock, flags);  in udl_urb_completion()
162 		up(&udl->urbs.limit_sem);  in udl_urb_completion()
168 	int count = udl->urbs.count;  in udl_free_urb_list()
177 		down(&udl->urbs.limit_sem);  in udl_free_urb_list()
179 		spin_lock_irq(&udl->urbs.lock);  in udl_free_urb_list()
181 		node = udl->urbs.list.next; /* have reserved one with sem */  in udl_free_urb_list()
184 		spin_unlock_irq(&udl->urbs.lock);  in udl_free_urb_list()
190 		usb_free_coherent(urb->dev, udl->urbs.size,  in udl_free_urb_list()
195 	udl->urbs.count = 0;  in udl_free_urb_list()
206 	spin_lock_init(&udl->urbs.lock);  in udl_alloc_urb_list()
209 	udl->urbs.size = size;  in udl_alloc_urb_list()
210 	INIT_LIST_HEAD(&udl->urbs.list);  in udl_alloc_urb_list()
212 	sema_init(&udl->urbs.limit_sem, 0);  in udl_alloc_urb_list()
213 	udl->urbs.count = 0;  in udl_alloc_urb_list()
214 	udl->urbs.available = 0;  in udl_alloc_urb_list()
216 	while (udl->urbs.count * size < wanted_size) {  in udl_alloc_urb_list()
250 		list_add_tail(&unode->entry, &udl->urbs.list);  in udl_alloc_urb_list()
252 		up(&udl->urbs.limit_sem);  in udl_alloc_urb_list()
253 		udl->urbs.count++;  in udl_alloc_urb_list()
254 		udl->urbs.available++;  in udl_alloc_urb_list()
257 	DRM_DEBUG("allocated %d %d byte urbs\n", udl->urbs.count, (int) size);  in udl_alloc_urb_list()
259 	return udl->urbs.count;  in udl_alloc_urb_list()
271 	ret = down_timeout(&udl->urbs.limit_sem, GET_URB_TIMEOUT);  in udl_get_urb()
274 		       ret, udl->urbs.available);  in udl_get_urb()
278 	spin_lock_irq(&udl->urbs.lock);  in udl_get_urb()
280 	BUG_ON(list_empty(&udl->urbs.list)); /* reserved one with limit_sem */  in udl_get_urb()
281 	entry = udl->urbs.list.next;  in udl_get_urb()
283 	udl->urbs.available--;  in udl_get_urb()
285 	spin_unlock_irq(&udl->urbs.lock);  in udl_get_urb()
299 	BUG_ON(len > udl->urbs.size);  in udl_submit_urb()
343 	if (udl->urbs.count)  in udl_init()