Weird PCI interrupt delivery problem

Craig Boston craig at tobuj.gank.org
Fri Dec 2 02:20:17 GMT 2005


On Thu, Dec 01, 2005 at 07:11:10PM -0700, M. Warner Losh wrote:
> In message: <20051202013146.GA15424 at nowhere>
>             Craig Boston <craig at tobuj.gank.org> writes:
> : I suspect that really old 16-bit PCMCIA cards with non-sharable
> : interrupts wouldn't work, but does NEWCARD even support those anyway?
> 
> Yes.  There's no such thing as a PCMCIA card whose interrupts are
> non-sharable.  NEWCARD works great with them.

Heh, guess I shouldn't believe what I read on pages hosted at
microsoft.com :)

http://www.microsoft.com/whdc/system/bus/cardbus/PCMCIA-IRQrouting.mspx
(found via google search for "cardbus interrupt routing")

It's probably talking about legacy device drivers that didn't know how
to properly share IRQs.

Craig


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