Date: Mon, 05 Sep 2005 20:55:46 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: hselasky@c2i.net Cc: freebsd-hackers@freebsd.org Subject: Re: Bus DMA question Message-ID: <20050905.205546.99359919.imp@bsdimp.com> In-Reply-To: <200509052327.36934.hselasky@c2i.net> References: <200509052327.36934.hselasky@c2i.net>
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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
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