Re: [patch 0/2] acpi: driverregistration again can report ENODEV

[Thomas Renninger <trenn@suse.de>]

On Wed, 2006-10-25 at 18:40 +0800, Zhang Rui wrote:
> We won't have such issues if we make ACPI use driver model.
> I've sent out a patch series which throw the legacy ACPI driver model
> away. The patches will be added to -mm tree.
> 
> On Sat, 2006-10-21 at 00:55 +0800, Bjorn Helgaas wrote:
> > > acpi_bus_register_driver must return -ENODEV when no device with
> > > matching HID was found. E.g. battery also should currently get
> > always
> > > loaded even a system never has one.
> > 
> > If the driver wants to unload if it doesn't find any devices,
> > it can easily do so by counting calls to its add() method, as
> > asus_acpi.c currently does.  I don't think that's a good long-
> > term solution, though.  I think it would be better to have a
> > hotplug scheme that loads the driver when the hardware is
> > found, like we do for PCI.
> > 
> that's true. With this patch series, .uevent method of ACPI bus will be
> called when an ACPI device is found. Then udev script loads the right
> driver by checking hid/cid offered by .uevent method. 

That are great news.
Maybe you can CC linux-acpi list on further patches, I didn't know about
this.
I am looking forward to give these a try as soon as I get some time...

Thanks,

  Thomas