Lines Matching refs:xmit_buf
234 if (info->xmit_cnt && info->xmit_buf && !(uart->ustcnt & USTCNT_TXEN)) {
343 uart->utx.b.txdata = info->xmit_buf[info->xmit_tail++];
429 if (!info->xmit_buf) {
430 info->xmit_buf = (unsigned char *) __get_free_page(GFP_KERNEL);
431 if (!info->xmit_buf)
487 if (info->xmit_buf) {
488 free_page((unsigned long) info->xmit_buf);
489 info->xmit_buf = 0;
615 if (info->xmit_buf == 0) return;
620 c = info->xmit_buf[info->xmit_tail];
685 !info->xmit_buf) {
702 uart->utx.b.txdata = info->xmit_buf[info->xmit_tail++];
727 if (!tty || !info->xmit_buf)
740 memcpy(info->xmit_buf + info->xmit_head, buf, c);
765 uart->utx.b.txdata = info->xmit_buf[info->xmit_tail++];