On Fri, Aug 24, 2007 at 11:55:59AM +0900, Yoichi Yuasa wrote:
> Hi,
>
> I got the following error on MIPS Cobalt.
>
> PCI: Unable to reserve I/O region #1:8@f00001f0 for device 0000:00:09.1
> pata_via 0000:00:09.1: failed to request/iomap BARs for port 0 (errno=-16)
> PCI: Unable to reserve I/O region #3:8@f0000170 for device 0000:00:09.1
> pata_via 0000:00:09.1: failed to request/iomap BARs for port 1 (errno=-16)
> pata_via 0000:00:09.1: no available native port
>
> The legacy mode IDE resources set the following order.
>
> pci_setup_device()
> Legacy mode ATA controllers have fixed addresses.
> IDE resources: 0x1F0-0x1F7, 0x3F6, 0x170-0x177, 0x376
> |
> V
> pcibios_fixup_bus()
> MIPS Cobalt PCI bus regions have the -0x10000000 offset from PCI resources.
> pcibios_fixup_bus() fix PCI bus regions.
> 0x1F0 - 0x10000000 = 0xF00001F0
> |
> V
> ata_pci_init_one()
> PCI: Unable to reserve I/O region #1:8@f00001f0 for device 0000:00:09.1
>
> In some architectures, PCI bus regions have the offset from PCI resources.
> For this reason, pci_setup_device() should set PCI bus regions to dev->resource[].
I thought this patch was rejected in the past as it broke other
machines.
thanks,
greg k-h
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