From 5c0f828a079ee48b194da2796e07eb86af849dc0 Mon Sep 17 00:00:00 2001 From: Hans Petter Selasky Date: Mon, 25 Nov 2013 10:58:02 +0000 Subject: [PATCH] Comply to the XHCI specification. Certain input context fields should always be zero. MFC after: 1 week --- sys/dev/usb/controller/xhci.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index 58928255c4f..7402995c6cd 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -2540,7 +2540,11 @@ xhci_configure_device(struct usb_device *udev) xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx2, temp); - temp = XHCI_SCTX_3_DEV_ADDR_SET(udev->address) | + /* + * These fields should be initialized to zero, according to + * XHCI section 6.2.2 - slot context: + */ + temp = XHCI_SCTX_3_DEV_ADDR_SET(0) | XHCI_SCTX_3_SLOT_STATE_SET(0); xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx3, temp);