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Date:      Sat, 7 Mar 1998 12:37:35 +1100
From:      Bruce Evans <bde@zeta.org.au>
To:        bde@zeta.org.au, mike@smith.net.au
Cc:        bde@FreeBSD.ORG, freebsd-mobile@FreeBSD.ORG, marko@cs.uni-frankfurt.de, nate@mt.sri.com
Subject:   Re: sio0: X events for device with no tp
Message-ID:  <199803070137.MAA13652@godzilla.zeta.org.au>

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>> Leftovers from the probe should be ignored, because the are only noticed
>> if siointr() or siointr1() is called, and these functions shouldn't be
>> called because device interrupts are masked.  pccard apparently miswires
>> the interrupts so that an interrupt (perhaps for another device) is
>> delivered to siointr().
>
>Hmm.  This might be consistent with the PCIC being assigned IRQ 4 then.
>
>Is this what's actually happening?

Probably not.  unregister_intr() is sloppy about clearing leftover
interrupts, but there is no problem if IRQ 4 hasn't been registered,
and if it has been registered then PCIC shouldn't be able to reassign
it.

Bruce

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