From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue, 22 Feb 2011 16:42:45 +0000
To: 9fans@9fans.net
References: <20110222151218.4A02965D3E@server.hemiola.co.uk>
	<AANLkTinnsrwtXyLmakRdCvaToQfAs=CbR40wf_fZtu_W@mail.gmail.com>
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From: rod@hemiola.co.uk
Subject: Re: [9fans] usb ohci question
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>But I think you found a bug.

Ok, so maybe the first ilock/iunlock pair isn't needed? The controller
can't see the task descriptors that have been chained on to the
endpoint until the "tail" element of the endpoint descriptor is set,
so any potential interrupts during the sequence won't affect anything.

rod