TRB_SEGMENT_SIZE
#define TRB_SEGMENT_SHIFT (ilog2(TRB_SEGMENT_SIZE))
TRB_SEGMENT_SIZE, TRB_SEGMENT_SIZE,
memset(seg->trbs, 0, TRB_SEGMENT_SIZE);
seg->trbs = dma_alloc_coherent(dev, TRB_SEGMENT_SIZE, &dma, flags);
dma_free_coherent(dev, TRB_SEGMENT_SIZE,
TRB_SEGMENT_SIZE * 2, TRB_SEGMENT_SIZE * 2, xhci->page_size * 2);
TRB_SEGMENT_SIZE, TRB_SEGMENT_SIZE, xhci->page_size);
if (in_range(dma, seg->dma, TRB_SEGMENT_SIZE)) {
sz = ring->num_segs * TRB_SEGMENT_SIZE;
TRB_SEGMENT_SIZE);
#define TRB_SEGMENT_SHIFT (ilog2(TRB_SEGMENT_SIZE))