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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2013-11-25 10:58:02 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2013-11-25 10:58:02 +0000 |
| commit | 5c0f828a079ee48b194da2796e07eb86af849dc0 (patch) | |
| tree | 8fd7962348d36d75f1232ab8c7ce8e30571abba0 /sys | |
| parent | 54366c0bd7d0ea904fb9ab32460c66d57684a7cb (diff) | |
| download | src-5c0f828a079ee48b194da2796e07eb86af849dc0.tar.gz src-5c0f828a079ee48b194da2796e07eb86af849dc0.zip | |
Comply to the XHCI specification. Certain input context fields should
always be zero.
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=258545
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/usb/controller/xhci.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index 58928255c4f2..7402995c6cda 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); |