From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: ISA DMA
Date: Wed, 08 Sep 2004 23:27:15 +0100 [thread overview]
Message-ID: <1094682435.12335.23.camel@localhost.localdomain> (raw)
In-Reply-To: <413F7960.8070500@drzeus.cx>
On Mer, 2004-09-08 at 22:28, Pierre Ossman wrote:
> I'm trying to figure out how to do ISA DMA transfers. I can't figure out
> how to satisfy all the requirements the ISA DMA controller sets. I've
> set a DMA mask of 0x00ffffff but mappings end up above the 16MB limit
> nonetheless. And I have no idea how to keep transfers within the same
> 64k boundary.
drivers/net/lance.c is a pretty good worked example of driving the old
ISA bus grunge.
next prev parent reply other threads:[~2004-09-08 23:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-08 21:28 ISA DMA Pierre Ossman
2004-09-08 22:27 ` Alan Cox [this message]
2004-09-09 15:14 ` Pierre Ossman
2004-09-08 22:54 ` Tommy Reynolds
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1094682435.12335.23.camel@localhost.localdomain \
--to=alan@lxorguk.ukuu.org.uk \
--cc=drzeus-list@drzeus.cx \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox