Ian Dowse f4b4a6b096 The EHCI qTD token has a number of error status bits that are not
cleared if the host controller retries the transfer and is successful,
but we were interpreting these bits as indicating a fatal error.
Ignore these error bits, and instead use the HALTED bit to determine
if the transfer failed. Also update the USBD_STALLED detection to
ignore these bits.

Obtained from: OpenBSD
2005-03-13 23:48:17 +00:00
..
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