From: Jeff Garzik <jgarzik@pobox.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linux-arch@vger.kernel.org
Subject: Re: Add skeleton "generic IO mapping" infrastructure.
Date: Tue, 14 Sep 2004 11:08:02 -0400 [thread overview]
Message-ID: <41470952.5080108@pobox.com> (raw)
In-Reply-To: <1095173761.24547.203.camel@hades.cambridge.redhat.com>
David Woodhouse wrote:
> No, seriously, let's not introduce a new API which is _already_
> insufficient to disambiguate between the various things the caller might
> want. A 'void *' is not sufficient to give both bus and address. Use a
> tuple of { bus, addr } or { dev, addr } instead.
The existing setup is perfectly sufficient.
You pass (dev,addr) to an arch-specific function which creates the
cookie in an arch-specific manner.
Jeff
prev parent reply other threads:[~2004-09-14 15:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200409132206.i8DM6dSC030620@hera.kernel.org>
2004-09-14 8:55 ` Add skeleton "generic IO mapping" infrastructure David Woodhouse
2004-09-14 14:30 ` Jeff Garzik
2004-09-14 14:33 ` David Woodhouse
2004-09-14 15:06 ` Jeff Garzik
2004-09-14 14:56 ` David Woodhouse
2004-09-14 15:08 ` Jeff Garzik [this message]
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