I want to check something simple here (I'm working with kernel
parport_ieee1284_terminate seems to be the only place where the
handshaking is done to return the port to compatibility mode. (Good.)
parport_negotiate seems to be the only place
parport_ieee1284_terminate is called.
My best understanding is that closing the port leads to calls to
pp_release, parport_release (if claimed), and
parport_unregister_device (if pdev non-NULL). I can't find anything
that would guarantee, at the kernel level, that the port is cleanly
returned to compatibility mode when the port is closed.
Does this have to be done at the application level, by renegotiating
compatibility mode or something like that?
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