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Altix: Initial ACPI support - ROM shadowing.

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Support a shadowed ROM when running with an ACPI capable PROM.

Define a new dev.resource flag IORESOURCE_ROM_BIOS_COPY to
describe the case of a BIOS shadowed ROM, which can then
be used to avoid pci_map_rom() making an unneeded call to
pci_enable_rom().


Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
John Keller
2006-10-04 16:49:52 -05:00
committed by Greg Kroah-Hartman
parent 9f581f162e
commit a2302c68d9
5 changed files with 46 additions and 5 deletions
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5
arch/ia64/sn/kernel/io_common.c
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@@ -286,9 +286,10 @@ void sn_pci_fixup_slot(struct pci_dev *dev)
list_add_tail(&pcidev_info->pdi_list,
&(SN_PLATFORM_DATA(dev->bus)->pcidev_info));
if (!SN_ACPI_BASE_SUPPORT())
if (SN_ACPI_BASE_SUPPORT())
sn_acpi_slot_fixup(dev, pcidev_info);
else
sn_more_slot_fixup(dev, pcidev_info);
/*
* Using the PROMs values for the PCI host bus, get the Linux
* PCI host_pci_dev struct and set up host bus linkages