Re: [PATCH 31/35] acpi: pc/q35: tpm-tis: fix TPM device scope

[Ani Sinha <ani@anisinha.ca>]

On Mon, May 16, 2022 at 8:57 PM Igor Mammedov <imammedo@redhat.com> wrote:
>
> tpm-tis, is not a PCI device but ISA one, move it
> under ISA scope to fix incorrect placement.

This description is a little misleading. What we fix here is for
TPM-tis 2.0 only. TPM 1.2 was already previously under ISA scope.
>
> Fixes: 24cf5413aa0 (acpi: Make TPM 2.0 with TIS available as MSFT0101)
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>

modulo that above comment,
Reviewed-by: Ani Sinha <ani@anisinha.ca>

> ---
>  hw/i386/acpi-build.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index a42f41f373..85a7313cad 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1764,15 +1764,14 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
>
>  #ifdef CONFIG_TPM
>              if (TPM_IS_TIS_ISA(tpm)) {
> +                dev = aml_device("ISA.TPM");
>                  if (misc->tpm_version == TPM_VERSION_2_0) {
> -                    dev = aml_device("TPM");
>                      aml_append(dev, aml_name_decl("_HID",
>                                                    aml_string("MSFT0101")));
>                      aml_append(dev,
>                                 aml_name_decl("_STR",
>                                               aml_string("TPM 2.0 Device")));
>                  } else {
> -                    dev = aml_device("ISA.TPM");
>                      aml_append(dev, aml_name_decl("_HID",
>                                                    aml_eisaid("PNP0C31")));
>                  }
> --
> 2.31.1
>