Subject: Re: appropriate ipl for a PCI GPS card?
To: john heasley <>
From: Simon Burge <>
List: tech-kern
Date: 12/01/2005 17:45:10
john heasley wrote:

> I'm working on a driver for the Symmetricom BC637PCI timing card.  This
> model provides a GPS receiver (a Trimble ACE iii), which works with ntpd's
> bancomm reference clock driver (which a few modifications).
> IPL_TTY seems most appropriate, but it is not clear to me.  suggestions?

I'd say IPL_SERIAL - you want an interrupt with a fairly high priority
if you're going to do time-related stuff with it.

Simon Burge                            <>
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