On Fri, 22 Apr 2022 at 09:37, Gerd Hoffmann <kra...@redhat.com> wrote:
>
> io range is not mandatory according to pcie spec,
> so allow bridge configurations without io address
> space assigned.
>
> Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
> Reviewed-by: Ard Biesheuvel <a...@kernel.org>
Could one of the MdeModulePkg maintainers please get this reviewed? Thanks.
> ---
> MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> b/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> index b20bcd310ad5..712662707931 100644
> --- a/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> +++ b/MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridge.c
> @@ -1085,6 +1085,9 @@ NotifyPhase (
> RootBridge->ResAllocNode[Index].Base = BaseAddress;
> RootBridge->ResAllocNode[Index].Status = ResAllocated;
> DEBUG ((DEBUG_INFO, "Success\n"));
> + } else if ((Index == TypeIo) && (RootBridge->Io.Base ==
> MAX_UINT64)) {
> + /* optional on PCIe */
> + DEBUG ((DEBUG_INFO, "PCI Root Bridge does not provide IO
> Resources.\n"));
> } else {
> ReturnStatus = EFI_OUT_OF_RESOURCES;
> DEBUG ((DEBUG_ERROR, "Out Of Resource!\n"));
> --
> 2.35.1
>
>
>
>
>
>
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