Re: cleanup for i810 chipset for 2.5.5-pre1.

[Alan Cox]

> This allows i810_audio and i810 drm modules to compile cleanly and to
> be loaded and used on 2.5.5-pre1 without unresolved symbols.

Not another copy. Please see the kernel list archive. This change is
not the right solution. The driver must be adapted to the new PCI DMA API
(see Documentation/DMA-Mapping.txt)

>         dmap->raw_buf = start_addr;
> -       dmap->raw_buf_phys = virt_to_bus(start_addr);
> +       dmap->raw_buf_phys = virt_to_phys(start_addr);

isa_virt_to_bus should be safe here..