Lines Matching refs:xmit_buf
877 info->port.xmit_buf = (unsigned char *) page; in mxser_activate()
968 if (info->port.xmit_buf) { in mxser_shutdown_port()
969 free_page((unsigned long) info->port.xmit_buf); in mxser_shutdown_port()
970 info->port.xmit_buf = NULL; in mxser_shutdown_port()
1103 if (!info->port.xmit_buf) in mxser_write()
1112 memcpy(info->port.xmit_buf + info->xmit_head, buf, c); in mxser_write()
1144 if (!info->port.xmit_buf) in mxser_put_char()
1151 info->port.xmit_buf[info->xmit_head++] = ch; in mxser_put_char()
1175 if (info->xmit_cnt <= 0 || tty->stopped || !info->port.xmit_buf || in mxser_flush_chars()
1933 if (info->xmit_cnt && info->port.xmit_buf) { in mxser_start()
2173 if (port->port.xmit_buf == NULL) in mxser_transmit_chars()
2188 outb(port->port.xmit_buf[port->xmit_tail++], in mxser_transmit_chars()