Subject: Re: A TODO list for cardbus/ PCMCIA support.
To: None <jonathan@DSG.Stanford.EDU>
From: Hayakawa Koichi <email@example.com>
Date: 06/17/1999 15:43:48
From: Jonathan Stone <jonathan@DSG.Stanford.EDU>
> >It's not obvious to me how you mean this statement, but a naive
> >interpretation leads to something like:
> >cbb at whatever
> >pcic at cbb
> Nope. What's meant is more like:
> cbb at whatever: cardbus, pcmcia
> pcic at whatever: pcmcia
> with child pcmcia devices attaching via pcmcia?, and cardbus devices
> attaching via cardbus?.
> Hayakawa-san's point is to avoid duplcating the cis-tuple and pcmcia
> functionality almost verbatim, once for pcic bridges and once for
> cardbus bridges. IF that means we need to add callback methods via
> the parent bridge to access ExCA(?) or whatever registers, fine. If a
That's what I mean. Thanx.
I also suppose an abstraction layer of the physical PCMCIA
slot is needed: that's `cardslot' in my patch, though it has
been partially written. This layer should provide `the
template of' interrupt handling methods, bus-space handling
methods and ioctls.