Hi

On 3/12/19 8:49 AM, Wei Yang wrote:
> This is more proper to use PCIE_MMCFG_BUS to retrieve end_bus_number.
> 
> Signed-off-by: Wei Yang <richardw.y...@linux.intel.com>
Reviewed-by: Eric Auger <eric.au...@redhat.com>

Thanks

Eric
> ---
>  hw/arm/virt-acpi-build.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> index d7e2e4885b..57679a89bf 100644
> --- a/hw/arm/virt-acpi-build.c
> +++ b/hw/arm/virt-acpi-build.c
> @@ -560,8 +560,8 @@ build_mcfg(GArray *table_data, BIOSLinker *linker, 
> VirtMachineState *vms)
>      /* Only a single allocation so no need to play with segments */
>      mcfg->allocation[0].pci_segment = cpu_to_le16(0);
>      mcfg->allocation[0].start_bus_number = 0;
> -    mcfg->allocation[0].end_bus_number = (memmap[ecam_id].size
> -                                          / PCIE_MMCFG_SIZE_MIN) - 1;
> +    mcfg->allocation[0].end_bus_number =
> +        PCIE_MMCFG_BUS(memmap[ecam_id].size - 1);
>  
>      build_header(linker, table_data, (void *)(table_data->data + mcfg_start),
>                   "MCFG", table_data->len - mcfg_start, 1, NULL, NULL);
> 

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