Lines Matching refs:head
30 unsigned int tail, head;
146 empty = serio_raw->head == serio_raw->tail;
170 if (serio_raw->head == serio_raw->tail &&
188 serio_raw->head != serio_raw->tail ||
248 if (serio_raw->head != serio_raw->tail)
275 unsigned int head = serio_raw->head;
278 serio_raw->queue[head] = data;
279 head = (head + 1) % SERIO_RAW_QUEUE_LEN;
280 if (likely(head != serio_raw->tail)) {
281 serio_raw->head = head;