Re: PCCARD eject freeze (was Re: your mail)

[Warner Losh]

In message <[EMAIL PROTECTED]> "Matthew N. 
Dodd" writes:
: On Thu, 2 Dec 1999, Nick Hibma wrote:
: > PCMCIA has the problem that the hardware register you are talking to can
: > disappear on the spot, between 2 outb()s.
: 
: Can't we do something about this using bus_space?  This would give us a
: fair bit of overhead for PCMCIA devices as well as require us to more
: tightly couple newbus and bus_space (we'd probably want to 'cache' a
: function pointer to the method to avoid method lookup overhead.)

I had the same thought, but w/o a signal or other out of band error
communication, I'm not sure how to implement this.

Warner


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