Searched refs:ttail (Results 1 – 2 of 2) sorted by relevance
1514 ushort ttail; in dgnc_tty_chars_in_buffer() local1534 ttail = ch->ch_w_tail & tmask; in dgnc_tty_chars_in_buffer()1538 if (ttail == thead) { in dgnc_tty_chars_in_buffer()1541 if (thead >= ttail) in dgnc_tty_chars_in_buffer()1542 chars = thead - ttail; in dgnc_tty_chars_in_buffer()1544 chars = thead - ttail + WQUEUESIZE; in dgnc_tty_chars_in_buffer()
3225 u16 thead, ttail, tmask, chead, ctail; in dgap_tty_chars_in_buffer() local3255 ttail = readw(&bs->tx_tail) & tmask; in dgap_tty_chars_in_buffer()3275 if ((ttail == thead) && (tbusy == 0) && (chead == ctail)) { in dgap_tty_chars_in_buffer()3278 if (thead >= ttail) in dgap_tty_chars_in_buffer()3279 chars = thead - ttail; in dgap_tty_chars_in_buffer()3281 chars = thead - ttail + ch->ch_tsize; in dgap_tty_chars_in_buffer()