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Date: Mon, 05 Sep 2005 20:55:46 -0600 (MDT)
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To: hselasky@c2i.net
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Bus DMA question
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In message: <200509052327.36934.hselasky@c2i.net>
            Hans Petter Selasky <hselasky@c2i.net> writes:
: When one creates a DMA tag for a PCI device, using "bus_dma_tag_create()", I 
: see that most drivers use "NULL" for the parent field, at some point, but 
: shouldn't this field actually point to the DMA tag of the bus where the 
: device is physically attached ?

Should be, but isn't yet.  We need to add an API to the bus_if.m
file.  For now, pass NULL.

Warner