Subject: Re: appropriate ipl for a PCI GPS card?
To: john heasley <email@example.com>
From: Simon Burge <firstname.lastname@example.org>
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 <email@example.com>
NetBSD Support and Service: http://www.wasabisystems.com/