49 	struct hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_rcv()  local
56 	BUG_ON(!hdlc->proto->netif_rx);  in hdlc_rcv()
57 	return hdlc->proto->netif_rx(skb);  in hdlc_rcv()
62 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_start_xmit()  local
64 	if (hdlc->proto->xmit)  in hdlc_start_xmit()
65 		return hdlc->proto->xmit(skb, dev);  in hdlc_start_xmit()
67 	return hdlc->xmit(skb, dev); /* call hardware driver directly */  in hdlc_start_xmit()
72 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_proto_start()  local
73 	if (hdlc->proto->start)  in hdlc_proto_start()
74 		hdlc->proto->start(dev);  in hdlc_proto_start()
81 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_proto_stop()  local
82 	if (hdlc->proto->stop)  in hdlc_proto_stop()
83 		hdlc->proto->stop(dev);  in hdlc_proto_stop()
92 	hdlc_device *hdlc;  in hdlc_device_event()  local
112 	hdlc = dev_to_hdlc(dev);  in hdlc_device_event()
113 	spin_lock_irqsave(&hdlc->state_lock, flags);  in hdlc_device_event()
115 	if (hdlc->carrier == on)  in hdlc_device_event()
118 	hdlc->carrier = on;  in hdlc_device_event()
120 	if (!hdlc->open)  in hdlc_device_event()
123 	if (hdlc->carrier) {  in hdlc_device_event()
132 	spin_unlock_irqrestore(&hdlc->state_lock, flags);  in hdlc_device_event()
141 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_open()  local
144 	       hdlc->carrier, hdlc->open);  in hdlc_open()
147 	if (hdlc->proto == NULL)  in hdlc_open()
150 	if (hdlc->proto->open) {  in hdlc_open()
151 		int result = hdlc->proto->open(dev);  in hdlc_open()
156 	spin_lock_irq(&hdlc->state_lock);  in hdlc_open()
158 	if (hdlc->carrier) {  in hdlc_open()
164 	hdlc->open = 1;  in hdlc_open()
166 	spin_unlock_irq(&hdlc->state_lock);  in hdlc_open()
175 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_close()  local
178 	       hdlc->carrier, hdlc->open);  in hdlc_close()
181 	spin_lock_irq(&hdlc->state_lock);  in hdlc_close()
183 	hdlc->open = 0;  in hdlc_close()
184 	if (hdlc->carrier)  in hdlc_close()
187 	spin_unlock_irq(&hdlc->state_lock);  in hdlc_close()
189 	if (hdlc->proto->close)  in hdlc_close()
190 		hdlc->proto->close(dev);  in hdlc_close()
239 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_setup()  local
242 	hdlc->carrier = 1;  in hdlc_setup()
243 	hdlc->open = 0;  in hdlc_setup()
244 	spin_lock_init(&hdlc->state_lock);  in hdlc_setup()
294 	hdlc_device *hdlc = dev_to_hdlc(dev);  in detach_hdlc_protocol()  local
297 	if (hdlc->proto) {  in detach_hdlc_protocol()
305 		if (hdlc->proto->detach)  in detach_hdlc_protocol()
306 			hdlc->proto->detach(dev);  in detach_hdlc_protocol()
307 		module_put(hdlc->proto->module);  in detach_hdlc_protocol()
308 		hdlc->proto = NULL;  in detach_hdlc_protocol()
310 	kfree(hdlc->state);  in detach_hdlc_protocol()
311 	hdlc->state = NULL;  in detach_hdlc_protocol()