Re: [Qemu-devel] [PATCH] i386/acpi: show PCI Express bus on pxb-pcie expanders

[Igor Mammedov <imammedo@redhat.com>]

On Fri, 19 Jul 2019 11:54:29 +0300
Evgeny Yakovlev <wrfsh@yandex-team.ru> wrote:

> Show PCIe host bridge PNP id with PCI host bridge as a compatible id
> when expanding a pcie bus.
> 
> Signed-off-by: Evgeny Yakovlev <wrfsh@yandex-team.ru>

Reviewed-by: Igor Mammedov <imammedo@redhat.com>

> ---
>  hw/i386/acpi-build.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index d281ffa..0675952 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1908,10 +1908,13 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
>              scope = aml_scope("\\_SB");
>              dev = aml_device("PC%.02X", bus_num);
>              aml_append(dev, aml_name_decl("_UID", aml_int(bus_num)));
> -            aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
>              aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num)));
>              if (pci_bus_is_express(bus)) {
> +                aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A08")));
> +                aml_append(dev, aml_name_decl("_CID", aml_eisaid("PNP0A03")));
>                  aml_append(dev, build_q35_osc_method());
> +            } else {
> +                aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
>              }
>  
>              if (numa_node != NUMA_NODE_UNASSIGNED) {