Re: [RFC][PATCH 1/4] PCI legacy I/O port free driver - Introduce pci_set_bar_mask*()

[Russell King <rmk+lkml@arm.linux.org.uk>]

On Wed, Feb 15, 2006 at 03:03:56PM +0900, Kenji Kaneshige wrote:
> Andrew Morton wrote:
> >Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> wrote:
> >
> >>This patch introduces a new interface pci_select_resource() for PCI
> >>device drivers to tell kernel what resources they want to use.
> >
> >
> >It'd be nice if we didn't need to introduce any new API functions for this.
> >If we could just do:
> >
> >struct pci_something pci_something_table[] = {
> >	...
> >	{
> >		...
> >		.dont_allocate_io_space = 1,
> >		...
> >	},
> >	...
> >};
> >
> >within each driver which wants it.
> >
> >But I can't think of a suitable per-device-id structure with which we can
> >do that :(
> >
> >
> 
> My another idea was to use pci quirks. In this approach, we don't
> need to introduce any new API. But I gave up this idea because it
> looked abuse of pci quirks.
> 
> Anyway, I try to think about new ideas we don't need to introduce
> any new API.

What about pci_enable_device_bars() ?

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core