48 	struct hdlc_device *hdlc;  in hdlc_rcv()  local
56 	hdlc = dev_to_hdlc(dev);  in hdlc_rcv()
63 	BUG_ON(!hdlc->proto->netif_rx);  in hdlc_rcv()
64 	return hdlc->proto->netif_rx(skb);  in hdlc_rcv()
69 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_start_xmit()  local
71 	if (hdlc->proto->xmit)  in hdlc_start_xmit()
72 		return hdlc->proto->xmit(skb, dev);  in hdlc_start_xmit()
74 	return hdlc->xmit(skb, dev); /* call hardware driver directly */  in hdlc_start_xmit()
80 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_proto_start()  local
82 	if (hdlc->proto->start)  in hdlc_proto_start()
83 		hdlc->proto->start(dev);  in hdlc_proto_start()
88 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_proto_stop()  local
90 	if (hdlc->proto->stop)  in hdlc_proto_stop()
91 		hdlc->proto->stop(dev);  in hdlc_proto_stop()
98 	hdlc_device *hdlc;  in hdlc_device_event()  local
118 	hdlc = dev_to_hdlc(dev);  in hdlc_device_event()
119 	spin_lock_irqsave(&hdlc->state_lock, flags);  in hdlc_device_event()
121 	if (hdlc->carrier == on)  in hdlc_device_event()
124 	hdlc->carrier = on;  in hdlc_device_event()
126 	if (!hdlc->open)  in hdlc_device_event()
129 	if (hdlc->carrier) {  in hdlc_device_event()
138 	spin_unlock_irqrestore(&hdlc->state_lock, flags);  in hdlc_device_event()
145 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_open()  local
148 	       hdlc->carrier, hdlc->open);  in hdlc_open()
151 	if (!hdlc->proto)  in hdlc_open()
154 	if (hdlc->proto->open) {  in hdlc_open()
155 		int result = hdlc->proto->open(dev);  in hdlc_open()
161 	spin_lock_irq(&hdlc->state_lock);  in hdlc_open()
163 	if (hdlc->carrier) {  in hdlc_open()
170 	hdlc->open = 1;  in hdlc_open()
172 	spin_unlock_irq(&hdlc->state_lock);  in hdlc_open()
180 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_close()  local
183 	       hdlc->carrier, hdlc->open);  in hdlc_close()
186 	spin_lock_irq(&hdlc->state_lock);  in hdlc_close()
188 	hdlc->open = 0;  in hdlc_close()
189 	if (hdlc->carrier)  in hdlc_close()
192 	spin_unlock_irq(&hdlc->state_lock);  in hdlc_close()
194 	if (hdlc->proto->close)  in hdlc_close()
195 		hdlc->proto->close(dev);  in hdlc_close()
243 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_setup()  local
246 	hdlc->carrier = 1;  in hdlc_setup()
247 	hdlc->open = 0;  in hdlc_setup()
248 	spin_lock_init(&hdlc->state_lock);  in hdlc_setup()
299 	hdlc_device *hdlc = dev_to_hdlc(dev);  in detach_hdlc_protocol()  local
302 	if (hdlc->proto) {  in detach_hdlc_protocol()
310 		if (hdlc->proto->detach)  in detach_hdlc_protocol()
311 			hdlc->proto->detach(dev);  in detach_hdlc_protocol()
312 		module_put(hdlc->proto->module);  in detach_hdlc_protocol()
313 		hdlc->proto = NULL;  in detach_hdlc_protocol()
315 	kfree(hdlc->state);  in detach_hdlc_protocol()
316 	hdlc->state = NULL;  in detach_hdlc_protocol()