60 	struct hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_rcv()  local
67 	BUG_ON(!hdlc->proto->netif_rx);  in hdlc_rcv()
68 	return hdlc->proto->netif_rx(skb);  in hdlc_rcv()
73 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_start_xmit()  local
75 	if (hdlc->proto->xmit)  in hdlc_start_xmit()
76 		return hdlc->proto->xmit(skb, dev);  in hdlc_start_xmit()
78 	return hdlc->xmit(skb, dev); /* call hardware driver directly */  in hdlc_start_xmit()
83 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_proto_start()  local
84 	if (hdlc->proto->start)  in hdlc_proto_start()
85 		hdlc->proto->start(dev);  in hdlc_proto_start()
92 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_proto_stop()  local
93 	if (hdlc->proto->stop)  in hdlc_proto_stop()
94 		hdlc->proto->stop(dev);  in hdlc_proto_stop()
103 	hdlc_device *hdlc;  in hdlc_device_event()  local
123 	hdlc = dev_to_hdlc(dev);  in hdlc_device_event()
124 	spin_lock_irqsave(&hdlc->state_lock, flags);  in hdlc_device_event()
126 	if (hdlc->carrier == on)  in hdlc_device_event()
129 	hdlc->carrier = on;  in hdlc_device_event()
131 	if (!hdlc->open)  in hdlc_device_event()
134 	if (hdlc->carrier) {  in hdlc_device_event()
143 	spin_unlock_irqrestore(&hdlc->state_lock, flags);  in hdlc_device_event()
152 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_open()  local
155 	       hdlc->carrier, hdlc->open);  in hdlc_open()
158 	if (hdlc->proto == NULL)  in hdlc_open()
161 	if (hdlc->proto->open) {  in hdlc_open()
162 		int result = hdlc->proto->open(dev);  in hdlc_open()
167 	spin_lock_irq(&hdlc->state_lock);  in hdlc_open()
169 	if (hdlc->carrier) {  in hdlc_open()
175 	hdlc->open = 1;  in hdlc_open()
177 	spin_unlock_irq(&hdlc->state_lock);  in hdlc_open()
186 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_close()  local
189 	       hdlc->carrier, hdlc->open);  in hdlc_close()
192 	spin_lock_irq(&hdlc->state_lock);  in hdlc_close()
194 	hdlc->open = 0;  in hdlc_close()
195 	if (hdlc->carrier)  in hdlc_close()
198 	spin_unlock_irq(&hdlc->state_lock);  in hdlc_close()
200 	if (hdlc->proto->close)  in hdlc_close()
201 		hdlc->proto->close(dev);  in hdlc_close()
248 	hdlc_device *hdlc = dev_to_hdlc(dev);  in hdlc_setup()  local
251 	hdlc->carrier = 1;  in hdlc_setup()
252 	hdlc->open = 0;  in hdlc_setup()
253 	spin_lock_init(&hdlc->state_lock);  in hdlc_setup()
298 	hdlc_device *hdlc = dev_to_hdlc(dev);  in detach_hdlc_protocol()  local
300 	if (hdlc->proto) {  in detach_hdlc_protocol()
301 		if (hdlc->proto->detach)  in detach_hdlc_protocol()
302 			hdlc->proto->detach(dev);  in detach_hdlc_protocol()
303 		module_put(hdlc->proto->module);  in detach_hdlc_protocol()
304 		hdlc->proto = NULL;  in detach_hdlc_protocol()
306 	kfree(hdlc->state);  in detach_hdlc_protocol()
307 	hdlc->state = NULL;  in detach_hdlc_protocol()