[SeaBIOS] [PATCH 04/10] xhci: Set the interval parameter on interrupt pipes.

[Kevin O'Connor]

Be sure to set the interval parameter when creating an interrupt based
pipe.

Signed-off-by: Kevin O'Connor 
---
 src/hw/usb-xhci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/hw/usb-xhci.c b/src/hw/usb-xhci.c
index 0833cb9..b10fceb 100644
--- a/src/hw/usb-xhci.c
+++ b/src/hw/usb-xhci.c
@@ -895,6 +895,8 @@ xhci_alloc_pipe(struct usbdevice_s *usbdev
         in->slot.ctx[0]    |= (31 << 27); // context entries

int e = pipe->epid-1;
+        if (eptype == USB_ENDPOINT_XFER_INT)
+            in->ep[e].ctx[0] = (usb_getFrameExp(usbdev, epdesc) + 3) << 16;
         in->ep[e].ctx[1]   |= (eptype << 3);
         if (epdesc->bEndpointAddress & USB_DIR_IN)
             in->ep[e].ctx[1] |= (1 << 5);