diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 28 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
3 files changed, 12 insertions, 20 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3589b49b6c8b..d6e2ee1f8964 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1012,6 +1012,8 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id, /* Initialize the cancellation list and watchdog timers for each ep */ for (i = 0; i < 31; i++) { + dev->eps[i].ep_index = i; + dev->eps[i].vdev = dev; xhci_init_endpoint_timer(xhci, &dev->eps[i]); INIT_LIST_HEAD(&dev->eps[i].cancelled_td_list); INIT_LIST_HEAD(&dev->eps[i].bw_endpoint_list); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index cf0c93a90200..cac79a3e3b1b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1861,7 +1861,7 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, * Avoid resetting endpoint if link is inactive. Can cause host hang. * Device will be reset soon to recover the link so don't do anything */ - if (xhci->devs[slot_id]->flags & VDEV_PORT_ERROR) + if (ep->vdev->flags & VDEV_PORT_ERROR) return; command = xhci_alloc_command(xhci, false, GFP_ATOMIC); @@ -1970,18 +1970,14 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, struct xhci_transfer_event *event, struct xhci_virt_ep *ep, int *status) { - struct xhci_virt_device *xdev; struct xhci_ep_ctx *ep_ctx; struct xhci_ring *ep_ring; unsigned int slot_id; u32 trb_comp_code; - int ep_index; slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); - xdev = xhci->devs[slot_id]; - ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1; ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer)); - ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); + ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep->ep_index); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); if (trb_comp_code == COMP_STOPPED_LENGTH_INVALID || @@ -2006,9 +2002,9 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td, * stall later. Hub TT buffer should only be cleared for FS/LS * devices behind HS hubs for functional stalls. */ - if ((ep_index != 0) || (trb_comp_code != COMP_STALL_ERROR)) + if ((ep->ep_index != 0) || (trb_comp_code != COMP_STALL_ERROR)) xhci_clear_hub_tt_buffer(xhci, td, ep); - xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, + xhci_cleanup_halted_endpoint(xhci, slot_id, ep->ep_index, ep_ring->stream_id, td, EP_HARD_RESET); } else { /* Update ring dequeue pointer */ @@ -2042,19 +2038,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, union xhci_trb *ep_trb, struct xhci_transfer_event *event, struct xhci_virt_ep *ep, int *status) { - struct xhci_virt_device *xdev; - unsigned int slot_id; - int ep_index; struct xhci_ep_ctx *ep_ctx; u32 trb_comp_code; u32 remaining, requested; u32 trb_type; trb_type = TRB_FIELD_TO_TYPE(le32_to_cpu(ep_trb->generic.field[3])); - slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); - xdev = xhci->devs[slot_id]; - ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1; - ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); + ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep->ep_index); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); requested = td->urb->transfer_buffer_length; remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); @@ -2102,7 +2092,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, ep_ctx, trb_comp_code)) break; xhci_dbg(xhci, "TRB error %u, halted endpoint index = %u\n", - trb_comp_code, ep_index); + trb_comp_code, ep->ep_index); fallthrough; case COMP_STALL_ERROR: /* Did we transfer part of the data (middle) phase? */ @@ -2264,11 +2254,9 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, u32 trb_comp_code; u32 remaining, requested, ep_trb_len; unsigned int slot_id; - int ep_index; slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); - slot_ctx = xhci_get_slot_ctx(xhci, xhci->devs[slot_id]->out_ctx); - ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1; + slot_ctx = xhci_get_slot_ctx(xhci, ep->vdev->out_ctx); ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer)); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); @@ -2306,7 +2294,7 @@ static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td, le32_to_cpu(slot_ctx->tt_info) & TT_SLOT) break; *status = 0; - xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index, + xhci_cleanup_halted_endpoint(xhci, slot_id, ep->ep_index, ep_ring->stream_id, td, EP_SOFT_RESET); return 0; default: diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 25e57bc9c3cc..c76381f341ff 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -918,6 +918,8 @@ struct xhci_bw_info { #define SS_BW_RESERVED 10 struct xhci_virt_ep { + struct xhci_virt_device *vdev; /* parent */ + unsigned int ep_index; struct xhci_ring *ring; /* Related to endpoints that are configured to use stream IDs only */ struct xhci_stream_info *stream_info; |