From: David Brownell <david-b@pacbell.net>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
Jean Delvare <khali@linux-fr.org>
Subject: Re: [patch 2.6.21-rc5 1/3] parport->dev driver model support
Date: Mon, 26 Mar 2007 15:25:56 -0700 [thread overview]
Message-ID: <200703261525.56731.david-b@pacbell.net> (raw)
In-Reply-To: <20070326145942.a090d277.akpm@linux-foundation.org>
On Monday 26 March 2007 2:59 pm, Andrew Morton wrote:
> On Mon, 26 Mar 2007 09:06:19 -0700
> David Brownell <david-b@pacbell.net> wrote:
>
> > Currently a parport_driver can't get a handle on the device node for the
> > underlying parport (PNPACPI, PCI, etc). That prevents correct placement
> > of sysfs child nodes, which can affect things like power management.
> >
> > This patch adds a field to "struct parport" pointing to that device node,
> > and updates non-legacy port drivers to initialize that device pointer.
> > That field replaces the analagous PCI-only support in parport_pc.
> >
> > Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
> > ---
> > NOTE this depends on an earlier patch to make pnp devices set up DMA,
> > parport is the primary user of legacy i8237 dma infrastructure.
>
> Confusion reigns.
>
> To which "earlier patch" do you refer?
The one named "init-dma-masks-in-pnp_dev.patch" in 2.6.21-rc4-mm1 ...
prev parent reply other threads:[~2007-03-26 22:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-26 16:06 [patch 2.6.21-rc5 1/3] parport->dev driver model support David Brownell
2007-03-26 21:59 ` Andrew Morton
2007-03-26 22:25 ` David Brownell [this message]
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