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SubjectRe: Standard driver call to enable/disable PCI ROM
On Tue, Aug 19, 2003 at 12:45:03PM -0700, Jon Smirl wrote:
> Here's the code I used...
>
> static void * __init aty128_map_ROM(struct pci_dev
> *dev, const struct aty128fb_par
> *par)
> {
> void *rom;
> struct resource *r =
> &dev->resource[PCI_ROM_RESOURCE];
>
> /* assign address if it doesn't have one */
> if (r->start == 0)
> pci_assign_resource(dev,
> PCI_ROM_RESOURCE);
>
> /* enable if needed */
> if (!(r->flags & PCI_ROM_ADDRESS_ENABLE)) {
> pci_write_config_dword(dev,
> dev->rom_base_reg, r->start |
^^^^^^^^^

This is non-portable.

You should use pcibios_resource_to_bus() to convert a resource to a
representation suitable for a BAR.

--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html

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