diff options
Diffstat (limited to 'sys/dev/usb/controller/xhci.c')
| -rw-r--r-- | sys/dev/usb/controller/xhci.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index 3853ed1..18f871e 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -2363,6 +2363,8 @@ xhci_configure_endpoint(struct usb_device *udev, /* store endpoint mode */ pepext->trb_ep_mode = ep_mode; + /* store bMaxPacketSize for control endpoints */ + pepext->trb_ep_maxp = edesc->wMaxPacketSize[0]; usb_pc_cpu_flush(pepext->page_cache); if (ep_mode == USB_EP_MODE_STREAMS) { @@ -2909,6 +2911,17 @@ xhci_transfer_insert(struct usb_xfer *xfer) return (USB_ERR_NOMEM); } + /* check if bMaxPacketSize changed */ + if (xfer->flags_int.control_xfr != 0 && + pepext->trb_ep_maxp != xfer->endpoint->edesc->wMaxPacketSize[0]) { + + DPRINTFN(8, "Reconfigure control endpoint\n"); + + /* force driver to reconfigure endpoint */ + pepext->trb_halted = 1; + pepext->trb_running = 0; + } + /* check for stopped condition, after putting transfer on interrupt queue */ if (pepext->trb_running == 0) { struct xhci_softc *sc = XHCI_BUS2SC(xfer->xroot->bus); |
