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| author | hselasky <hselasky@FreeBSD.org> | 2014-01-24 08:15:21 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2014-01-24 08:15:21 +0000 |
| commit | 6c824eefbf159c311111716b85c64e42d5fd5940 (patch) | |
| tree | da619f360525e42a3329afe52d16e69e0e8e8929 | |
| parent | 6e5156d6bb6755f251e480703c56db26ea69c02a (diff) | |
| download | FreeBSD-src-6c824eefbf159c311111716b85c64e42d5fd5940.zip FreeBSD-src-6c824eefbf159c311111716b85c64e42d5fd5940.tar.gz | |
MFC r258545:
Comply to the XHCI specification. Certain input context fields should
always be zero.
| -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 5bcf509..c7e4ab9 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -2614,7 +2614,11 @@ 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); |
