Lines Matching defs:head
220 u16 head;
601 desc_hw = &ring->desc_hw[ring->head];
604 * Increment the head count to point next
607 if (++ring->head == ring->slots)
608 ring->head = 0;
618 desc_hw = &ring->desc_hw[ring->head];
620 if (++ring->head == ring->slots)
621 ring->head = 0;
705 desc_hw = &ring->desc_hw[ring->head];
712 if (++ring->head == ring->slots)
713 ring->head = 0;
1552 /* Initialize DMA device list head */