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SubjectRe: [PATCH] 3/3 maple: update bus driver to support Dreamcast VMU
On Mon, 24 March 2008 15:51:40 +0000, Adrian McMenamin wrote:
> On Mon, 2008-03-24 at 16:29 +0100, Jörn Engel wrote:
> > On Mon, 24 March 2008 15:06:18 +0000, Adrian McMenamin wrote:
> > >
> > > I don't think I have any alternative here. The problem is that the bus
> > > checks periodically (every HZ ticks but that could be changed) if a
> > > device remains connected to the system by queueing a status command. (If
> > > the status command is replied to with a "No response" then that
> > > indicates to the bus that the device has been removed.
> >
> > Where does this queueing happen? Somewhere in the kernel where we can
> > control it or in hardware?
>
> Well, the queuing of the status command is under software control.

Then we should be fine. I'll try to beat the code into submission.

Jörn

--
Joern's library part 7:
http://www.usenix.org/publications/library/proceedings/neworl/full_papers/mckusick.a
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