diff options
| author | Ajay Agarwal <ajaya@codeaurora.org> | 2018-05-04 10:14:04 +0530 |
|---|---|---|
| committer | Ajay Agarwal <ajaya@codeaurora.org> | 2018-05-15 14:52:46 +0530 |
| commit | ca3d15e44b795dadff563918a96b99a448d32ec4 (patch) | |
| tree | 95636a2effcc3dcea152b6e9f6d5bb424d26a1ab /drivers | |
| parent | 7b2dab061360182b7dcd075909ab7530fb41a132 (diff) | |
Revert "usb: host: xhci: Remove helper API retuning dcba dma address"
This reverts commit 9c1d883952b8430994a302d10aab2bc8130bcd97.
Add back helper API to return dcba dma address.
Change-Id: I769c42d53f19bbefb65d491823911b39ec620751
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
Diffstat (limited to 'drivers')
| -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, }; |