Re: [patch 2.6.21-rc5 1/3] parport->dev driver model support

From: Andrew Morton
Date: Mon Mar 26 2007 - 18:00:39 EST


On Mon, 26 Mar 2007 09:06:19 -0700
David Brownell <david-b@xxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxxx>
> ---
> 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?
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