95 	struct serial_state *info = dev_id;  in rs_interrupt_single()  local
97 	receive_chars(&info->port);  in rs_interrupt_single()
110 	struct serial_state *info = tty->driver_data;  in rs_put_char()  local
113 	if (!info->xmit.buf)  in rs_put_char()
117 	if (CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) == 0) {  in rs_put_char()
121 	info->xmit.buf[info->xmit.head] = ch;  in rs_put_char()
122 	info->xmit.head = (info->xmit.head + 1) & (SERIAL_XMIT_SIZE-1);  in rs_put_char()
127 static void transmit_chars(struct tty_struct *tty, struct serial_state *info,  in transmit_chars()  argument
135 	if (info->x_char) {  in transmit_chars()
136 		char c = info->x_char;  in transmit_chars()
140 		info->x_char = 0;  in transmit_chars()
145 	if (info->xmit.head == info->xmit.tail || tty->stopped) {  in transmit_chars()
148 		       info->xmit.head, info->xmit.tail, tty->stopped);  in transmit_chars()
160 	count = min(CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE),  in transmit_chars()
161 		    SERIAL_XMIT_SIZE - info->xmit.tail);  in transmit_chars()
162 	console->write(console, info->xmit.buf+info->xmit.tail, count);  in transmit_chars()
164 	info->xmit.tail = (info->xmit.tail+count) & (SERIAL_XMIT_SIZE-1);  in transmit_chars()
169 	count = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);  in transmit_chars()
171 		console->write(console, info->xmit.buf, count);  in transmit_chars()
172 		info->xmit.tail += count;  in transmit_chars()
180 	struct serial_state *info = tty->driver_data;  in rs_flush_chars()  local
182 	if (info->xmit.head == info->xmit.tail || tty->stopped ||  in rs_flush_chars()
183 			!info->xmit.buf)  in rs_flush_chars()
186 	transmit_chars(tty, info, NULL);  in rs_flush_chars()
192 	struct serial_state *info = tty->driver_data;  in rs_write()  local
196 	if (!info->xmit.buf)  in rs_write()
201 		c = CIRC_SPACE_TO_END(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);  in rs_write()
207 		memcpy(info->xmit.buf + info->xmit.head, buf, c);  in rs_write()
208 		info->xmit.head = ((info->xmit.head + c) &  in rs_write()
218 	if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) &&  in rs_write()
220 		transmit_chars(tty, info, NULL);  in rs_write()
227 	struct serial_state *info = tty->driver_data;  in rs_write_room()  local
229 	return CIRC_SPACE(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);  in rs_write_room()
234 	struct serial_state *info = tty->driver_data;  in rs_chars_in_buffer()  local
236 	return CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);  in rs_chars_in_buffer()
241 	struct serial_state *info = tty->driver_data;  in rs_flush_buffer()  local
245 	info->xmit.head = info->xmit.tail = 0;  in rs_flush_buffer()
257 	struct serial_state *info = tty->driver_data;  in rs_send_xchar()  local
259 	info->x_char = ch;  in rs_send_xchar()
265 		transmit_chars(tty, info, NULL);  in rs_send_xchar()
287 	struct serial_state *info = tty->driver_data;  in rs_unthrottle()  local
290 		if (info->x_char)  in rs_unthrottle()
291 			info->x_char = 0;  in rs_unthrottle()
333 	struct serial_state *info = container_of(port, struct serial_state,  in shutdown()  local
338 	if (info->irq)  in shutdown()
339 		free_irq(info->irq, info);  in shutdown()
341 	if (info->xmit.buf) {  in shutdown()
342 		free_page((unsigned long) info->xmit.buf);  in shutdown()
343 		info->xmit.buf = NULL;  in shutdown()
350 	struct serial_state *info = tty->driver_data;  in rs_close()  local
352 	tty_port_close(&info->port, tty, filp);  in rs_close()
357 	struct serial_state *info = tty->driver_data;  in rs_hangup()  local
360 	tty_port_hangup(&info->port);  in rs_hangup()
416 	struct serial_state *info = rs_table + tty->index;  in rs_open()  local
417 	struct tty_port *port = &info->port;  in rs_open()
419 	tty->driver_data = info;  in rs_open()