From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Takashi Iwai <tiwai@suse.de>,
Rene Herman <rene.herman@keyaccess.nl>,
Glauber Costa <gcosta@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Thomas Gleixner <tglx@linutronix.de>,
Pete Clements <clem@clem.clem-digital.net>,
Linux Kernel <linux-kernel@vger.kernel.org>,
ALSA devel <alsa-devel@alsa-project.org>
Subject: Re: 2.6.26-rc1 regression: ISA DMA broken (bisected)
Date: Tue, 13 May 2008 18:01:07 +0100 [thread overview]
Message-ID: <20080513180107.1a3893f1@core> (raw)
In-Reply-To: <200805131059.32911.bjorn.helgaas@hp.com>
On Tue, 13 May 2008 10:59:32 -0600
Bjorn Helgaas <bjorn.helgaas@hp.com> wrote:
> On Friday 09 May 2008 12:06:55 am Takashi Iwai wrote:
> > Thanks for catching it. Yeah, the patch looks buggy. We had an
> > implicit assumption that dev = NULL for ISA devices that require 24bit
> > DMA.
>
> Naive question #1: Why don't we have a struct device for these
> ISA devices? PNP builds a struct device with DMA_24BIT_MASK
> for ISAPNP devices.
Because nobody has done the needed work to get all the old ISA drivers
converted. I guess isa_device would actually be a platform_device
wrapper ?
next prev parent reply other threads:[~2008-05-13 17:12 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-09 1:37 2.6.26-rc1 regression: ISA DMA broken (bisected) Rene Herman
2008-05-09 6:06 ` Takashi Iwai
2008-05-09 8:55 ` Ingo Molnar
2008-05-09 8:58 ` Ingo Molnar
2008-05-09 17:20 ` Jesse Barnes
2008-05-09 12:03 ` Rene Herman
2008-05-09 12:28 ` Ingo Molnar
2008-05-09 23:00 ` Rene Herman
2008-05-13 14:36 ` Ingo Molnar
2008-05-13 15:26 ` Rene Herman
2008-05-09 12:29 ` Pete Clements
2008-05-09 12:48 ` Glauber Costa
2008-05-13 16:59 ` Bjorn Helgaas
2008-05-13 17:01 ` Alan Cox [this message]
2008-05-13 17:33 ` Rene Herman
2008-05-13 23:18 ` Bjorn Helgaas
2008-05-14 9:25 ` Takashi Iwai
2008-05-14 12:46 ` Rene Herman
2008-05-14 13:01 ` Takashi Iwai
2008-05-14 15:40 ` Rene Herman
2008-05-14 15:53 ` Takashi Iwai
2008-05-14 18:41 ` Rene Herman
2008-05-14 18:50 ` Bjorn Helgaas
2008-05-14 19:09 ` Rene Herman
2008-05-30 21:15 ` [PATCH] " Rene Herman
2008-05-30 21:28 ` [DEVICE MODEL] dev->dma_mask Rene Herman
2008-05-30 21:43 ` [PATCH] Re: 2.6.26-rc1 regression: ISA DMA broken (bisected) Bjorn Helgaas
2008-05-30 22:11 ` Rene Herman
2008-05-30 22:37 ` [PATCH] ISA: set 24-bit dma_mask for ISA devices Rene Herman
2008-05-30 22:55 ` Andrew Morton
2008-05-30 23:50 ` Rene Herman
2008-05-30 23:54 ` [PATCH] PNP: set the pnp_card dma_mask for use by ISAPnP cards Rene Herman
2008-05-31 8:55 ` Takashi Iwai
2008-05-30 23:55 ` [PATCH] ISA: set 24-bit dma_mask for ISA devices Rene Herman
2008-05-31 8:56 ` Takashi Iwai
2008-05-14 15:26 ` 2.6.26-rc1 regression: ISA DMA broken (bisected) Bjorn Helgaas
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=20080513180107.1a3893f1@core \
--to=alan@lxorguk.ukuu.org.uk \
--cc=alsa-devel@alsa-project.org \
--cc=bjorn.helgaas@hp.com \
--cc=clem@clem.clem-digital.net \
--cc=gcosta@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=rene.herman@keyaccess.nl \
--cc=tglx@linutronix.de \
--cc=tiwai@suse.de \
/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