diff options
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 69c7c5ab1565..372a3c98db97 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2041,8 +2041,9 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, EP_HARD_RESET); } else { /* Update ring dequeue pointer */ - while (ep_ring->dequeue != td->last_trb) - inc_deq(xhci, ep_ring); + ep_ring->dequeue = td->last_trb; + ep_ring->deq_seg = td->last_trb_seg; + ep_ring->num_trbs_free += td->num_trbs - 1; inc_deq(xhci, ep_ring); } @@ -2263,8 +2264,9 @@ static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, frame->actual_length = 0; /* Update ring dequeue pointer */ - while (ep->ring->dequeue != td->last_trb) - inc_deq(xhci, ep->ring); + ep->ring->dequeue = td->last_trb; + ep->ring->deq_seg = td->last_trb_seg; + ep->ring->num_trbs_free += td->num_trbs - 1; inc_deq(xhci, ep->ring); return xhci_td_cleanup(xhci, td, ep->ring, status); @@ -3420,7 +3422,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, field |= TRB_IOC; more_trbs_coming = false; td->last_trb = ring->enqueue; - + td->last_trb_seg = ring->enq_seg; if (xhci_urb_suitable_for_idt(urb)) { memcpy(&send_addr, urb->transfer_buffer, trb_buff_len); @@ -3446,7 +3448,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, upper_32_bits(send_addr), length_field, field); - + td->num_trbs++; addr += trb_buff_len; sent_len = trb_buff_len; @@ -3470,8 +3472,10 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, ep_index, urb->stream_id, 1, urb, 1, mem_flags); urb_priv->td[1].last_trb = ring->enqueue; + urb_priv->td[1].last_trb_seg = ring->enq_seg; field = TRB_TYPE(TRB_NORMAL) | ring->cycle_state | TRB_IOC; queue_trb(xhci, ring, 0, 0, 0, TRB_INTR_TARGET(0), field); + urb_priv->td[1].num_trbs++; } check_trb_math(urb, enqd_len); @@ -3522,6 +3526,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, urb_priv = urb->hcpriv; td = &urb_priv->td[0]; + td->num_trbs = num_trbs; /* * Don't give the first TRB to the hardware (by toggling the cycle bit) @@ -3594,6 +3599,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, /* Save the DMA address of the last TRB in the TD */ td->last_trb = ep_ring->enqueue; + td->last_trb_seg = ep_ring->enq_seg; /* Queue status TRB - see Table 7 and sections 4.11.2.2 and 6.4.1.2.3 */ /* If the device sent data, the status stage is an OUT transfer */ @@ -3838,7 +3844,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, goto cleanup; } td = &urb_priv->td[i]; - + td->num_trbs = trbs_per_td; /* use SIA as default, if frame id is used overwrite it */ sia_frame_id = TRB_SIA; if (!(urb->transfer_flags & URB_ISO_ASAP) && @@ -3881,6 +3887,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } else { more_trbs_coming = false; td->last_trb = ep_ring->enqueue; + td->last_trb_seg = ep_ring->enq_seg; field |= TRB_IOC; if (trb_block_event_intr(xhci, num_tds, i)) field |= TRB_BEI; |