Searched refs:ttail (Results 1 – 2 of 2) sorted by relevance
1519 ushort ttail; in dgnc_tty_chars_in_buffer() local1539 ttail = ch->ch_w_tail & tmask; in dgnc_tty_chars_in_buffer()1543 if (ttail == thead) { in dgnc_tty_chars_in_buffer()1546 if (thead >= ttail) in dgnc_tty_chars_in_buffer()1547 chars = thead - ttail; in dgnc_tty_chars_in_buffer()1549 chars = thead - ttail + WQUEUESIZE; in dgnc_tty_chars_in_buffer()
3291 u16 thead, ttail, tmask, chead, ctail; in dgap_tty_chars_in_buffer() local3321 ttail = readw(&(bs->tx_tail)) & tmask; in dgap_tty_chars_in_buffer()3341 if ((ttail == thead) && (tbusy == 0) && (chead == ctail)) { in dgap_tty_chars_in_buffer()3344 if (thead >= ttail) in dgap_tty_chars_in_buffer()3345 chars = thead - ttail; in dgap_tty_chars_in_buffer()3347 chars = thead - ttail + ch->ch_tsize; in dgap_tty_chars_in_buffer()