diff options
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 70cacbbe7fb..7113d16e2d3 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -113,15 +113,13 @@ static int last_trb(struct xhci_hcd *xhci, struct xhci_ring *ring, if (ring == xhci->event_ring) return trb == &seg->trbs[TRBS_PER_SEGMENT]; else - return (le32_to_cpu(trb->link.control) & TRB_TYPE_BITMASK) - == TRB_TYPE(TRB_LINK); + return TRB_TYPE_LINK_LE32(trb->link.control); } static int enqueue_is_link_trb(struct xhci_ring *ring) { struct xhci_link_trb *link = &ring->enqueue->link; - return ((le32_to_cpu(link->control) & TRB_TYPE_BITMASK) == - TRB_TYPE(TRB_LINK)); + return TRB_TYPE_LINK_LE32(link->control); } /* Updates trb to point to the next TRB in the ring, and updates seg if the next @@ -372,7 +370,7 @@ static struct xhci_segment *find_trb_seg( while (cur_seg->trbs > trb || &cur_seg->trbs[TRBS_PER_SEGMENT - 1] < trb) { generic_trb = &cur_seg->trbs[TRBS_PER_SEGMENT - 1].generic; - if (le32_to_cpu(generic_trb->field[3]) & LINK_TOGGLE) + if (generic_trb->field[3] & cpu_to_le32(LINK_TOGGLE)) *cycle_state ^= 0x1; cur_seg = cur_seg->next; if (cur_seg == start_seg) @@ -489,8 +487,8 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci, } trb = &state->new_deq_ptr->generic; - if ((le32_to_cpu(trb->field[3]) & TRB_TYPE_BITMASK) == - TRB_TYPE(TRB_LINK) && (le32_to_cpu(trb->field[3]) & LINK_TOGGLE)) + if (TRB_TYPE_LINK_LE32(trb->field[3]) && + (trb->field[3] & cpu_to_le32(LINK_TOGGLE))) state->new_cycle_state ^= 0x1; next_trb(xhci, ep_ring, &state->new_deq_seg, &state->new_deq_ptr); @@ -525,8 +523,7 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, for (cur_seg = cur_td->start_seg, cur_trb = cur_td->first_trb; true; next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) { - if ((le32_to_cpu(cur_trb->generic.field[3]) & TRB_TYPE_BITMASK) - == TRB_TYPE(TRB_LINK)) { + if (TRB_TYPE_LINK_LE32(cur_trb->generic.field[3])) { /* Unchain any chained Link TRBs, but * leave the pointers intact. */ @@ -1000,7 +997,7 @@ static void handle_reset_ep_completion(struct xhci_hcd *xhci, * but we don't care. */ xhci_dbg(xhci, "Ignoring reset ep completion code of %u\n", - (unsigned int) GET_COMP_CODE(le32_to_cpu(event->status))); + GET_COMP_CODE(le32_to_cpu(event->status))); /* HW with the reset endpoint quirk needs to have a configure endpoint * command complete before the endpoint can be used. Queue that here @@ -1458,7 +1455,8 @@ static int xhci_requires_manual_halt_cleanup(struct xhci_hcd *xhci, * endpoint anyway. Check if a babble halted the * endpoint. */ - if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) == EP_STATE_HALTED) + if ((ep_ctx->ep_info & cpu_to_le32(EP_STATE_MASK)) == + cpu_to_le32(EP_STATE_HALTED)) return 1; return 0; @@ -1753,10 +1751,8 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, for (cur_trb = ep_ring->dequeue, cur_seg = ep_ring->deq_seg; cur_trb != event_trb; next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) { - if ((le32_to_cpu(cur_trb->generic.field[3]) & - TRB_TYPE_BITMASK) != TRB_TYPE(TRB_TR_NOOP) && - (le32_to_cpu(cur_trb->generic.field[3]) & - TRB_TYPE_BITMASK) != TRB_TYPE(TRB_LINK)) + if (!TRB_TYPE_NOOP_LE32(cur_trb->generic.field[3]) && + !TRB_TYPE_LINK_LE32(cur_trb->generic.field[3])) len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])); } len += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])) - @@ -1885,10 +1881,8 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, for (cur_trb = ep_ring->dequeue, cur_seg = ep_ring->deq_seg; cur_trb != event_trb; next_trb(xhci, ep_ring, &cur_seg, &cur_trb)) { - if ((le32_to_cpu(cur_trb->generic.field[3]) & - TRB_TYPE_BITMASK) != TRB_TYPE(TRB_TR_NOOP) && - (le32_to_cpu(cur_trb->generic.field[3]) & - TRB_TYPE_BITMASK) != TRB_TYPE(TRB_LINK)) + if (!TRB_TYPE_NOOP_LE32(cur_trb->generic.field[3]) && + !TRB_TYPE_LINK_LE32(cur_trb->generic.field[3])) td->urb->actual_length += TRB_LEN(le32_to_cpu(cur_trb->generic.field[2])); } @@ -2047,8 +2041,8 @@ static int handle_tx_event(struct xhci_hcd *xhci, TRB_TO_SLOT_ID(le32_to_cpu(event->flags)), ep_index); xhci_dbg(xhci, "Event TRB with TRB type ID %u\n", - (unsigned int) (le32_to_cpu(event->flags) - & TRB_TYPE_BITMASK)>>10); + (le32_to_cpu(event->flags) & + TRB_TYPE_BITMASK)>>10); xhci_print_trb_offsets(xhci, (union xhci_trb *) event); if (ep->skip) { ep->skip = false; @@ -2119,9 +2113,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, * corresponding TD has been cancelled. Just ignore * the TD. */ - if ((le32_to_cpu(event_trb->generic.field[3]) - & TRB_TYPE_BITMASK) - == TRB_TYPE(TRB_TR_NOOP)) { + if (TRB_TYPE_NOOP_LE32(event_trb->generic.field[3])) { xhci_dbg(xhci, "event_trb is a no-op TRB. Skip it\n"); goto cleanup; @@ -2452,7 +2444,7 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, next->link.control |= cpu_to_le32(TRB_CHAIN); wmb(); - next->link.control ^= cpu_to_le32((u32) TRB_CYCLE); + next->link.control ^= cpu_to_le32(TRB_CYCLE); /* Toggle the cycle bit after the last ring segment. */ if (last_trb_on_last_seg(xhci, ring, ring->enq_seg, next)) { |