diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 7e76573c8236..8a4217c0c56c 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -4999,6 +4999,17 @@ dma_addr_t xhci_get_sec_event_ring_dma_addr(struct usb_hcd *hcd, return 0; } +static dma_addr_t xhci_get_dcba_dma_addr(struct usb_hcd *hcd, + struct usb_device *udev) +{ + struct xhci_hcd *xhci = hcd_to_xhci(hcd); + + if (!(xhci->xhc_state & XHCI_STATE_HALTED) && xhci->dcbaa) + return xhci->dcbaa->dev_context_ptrs[udev->slot_id]; + + return 0; +} + dma_addr_t xhci_get_xfer_ring_dma_addr(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint *ep) { @@ -5094,6 +5105,7 @@ static const struct hc_driver xhci_hc_driver = { .sec_event_ring_cleanup = xhci_sec_event_ring_cleanup, .get_sec_event_ring_dma_addr = xhci_get_sec_event_ring_dma_addr, .get_xfer_ring_dma_addr = xhci_get_xfer_ring_dma_addr, + .get_dcba_dma_addr = xhci_get_dcba_dma_addr, .get_core_id = xhci_get_core_id, }; |