[PATCH] 3/3 maple: update bus driver to support Dreamcast VMU

Adrian McMenamin adrian at newgolddream.dyndns.info
Mon Mar 24 11:51:40 EDT 2008

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.

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