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From: Nate Williams <nate@mt.sri.com>
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To: Bruce Evans <bde@zeta.org.au>
Cc: freebsd-hardware@freebsd.org
Subject: Re: Problems with 2.1 Probe?
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> sio provides full support for using sio0 and sio1 in polled mode
> and sio2 and sio3 in interrupt mode
...
> (configure a null irq to get polled mode)

How does one configure a null IRQ?  In the kernel config?  In the boot
config?




Nate