Lines Matching refs:xmit_buf
728 info->port.xmit_buf = (unsigned char *) page; in mxser_activate()
819 if (info->port.xmit_buf) { in mxser_shutdown_port()
820 free_page((unsigned long) info->port.xmit_buf); in mxser_shutdown_port()
821 info->port.xmit_buf = NULL; in mxser_shutdown_port()
948 if (!info->port.xmit_buf) in mxser_write()
957 memcpy(info->port.xmit_buf + info->xmit_head, buf, c); in mxser_write()
981 if (!info->port.xmit_buf) in mxser_put_char()
988 info->port.xmit_buf[info->xmit_head++] = ch; in mxser_put_char()
1001 if (!info->xmit_cnt || tty->flow.stopped || !info->port.xmit_buf || in mxser_flush_chars()
1417 if (info->xmit_cnt && info->port.xmit_buf) in mxser_start()
1656 if (port->port.xmit_buf == NULL) in mxser_transmit_chars()
1668 outb(port->port.xmit_buf[port->xmit_tail++], in mxser_transmit_chars()