Lines Matching refs:xmit_buf
323 unsigned char *xmit_buf;
1130 if (!info->xmit_buf)
1139 memcpy(info->xmit_buf + info->xmit_head, buf, c);
1169 if (!info->xmit_buf)
1176 info->xmit_buf[info->xmit_head++] = ch;
1200 !info->xmit_buf ||
1786 if (info->xmit_cnt && info->xmit_buf && !(info->IER & UART_IER_THRI)) {
2190 if (info->xmit_buf == 0) {
2208 outb(info->xmit_buf[info->xmit_tail++],
2373 if (info->xmit_buf)
2376 info->xmit_buf = (unsigned char *) page;
2476 if (info->xmit_buf) {
2477 free_page((unsigned long) info->xmit_buf);
2478 info->xmit_buf = NULL;