diff options
| -rw-r--r-- | sys/dev/usb/controller/xhci.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index 2b0ad00..6a4d894 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -2252,7 +2252,14 @@ xhci_configure_mask(struct usb_device *udev, uint32_t mask, uint8_t drop) xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, mask); xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx1, 0); } else { - xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, 0); + /* + * Some hardware requires that we drop the endpoint + * context before adding it again: + */ + xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx0, + mask & XHCI_INCTX_NON_CTRL_MASK); + + /* Add new endpoint context */ xhci_ctx_set_le32(sc, &pinp->ctx_input.dwInCtx1, mask); /* find most significant set bit */ |
