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

[Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>]

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.

Thanks,
Kenji Kaneshige
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