Re: [PATCH v2 03/12] acpi: drop pointless _STA method

[Igor Mammedov]

On Fri,  3 Apr 2020 10:04:53 +0200
Gerd Hoffmann <address@hidden> wrote:

> When returning a constant there is no point in having a method
> in the first place, _STA can be a simple integer instead.
> 
> Signed-off-by: Gerd Hoffmann <address@hidden>

Reviewed-by: Igor Mammedov <address@hidden>

> ---
>  hw/i386/acpi-build.c | 14 +++-----------
>  1 file changed, 3 insertions(+), 11 deletions(-)
> 
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index 9a19c14e661b..214b98671bf2 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -1151,14 +1151,11 @@ static Aml *build_kbd_device_aml(void)
>  {
>      Aml *dev;
>      Aml *crs;
> -    Aml *method;
>  
>      dev = aml_device("KBD");
>      aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0303")));
>  
> -    method = aml_method("_STA", 0, AML_NOTSERIALIZED);
> -    aml_append(method, aml_return(aml_int(0x0f)));
> -    aml_append(dev, method);
> +    aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
>  
>      crs = aml_resource_template();
>      aml_append(crs, aml_io(AML_DECODE16, 0x0060, 0x0060, 0x01, 0x01));
> @@ -1173,14 +1170,11 @@ static Aml *build_mouse_device_aml(void)
>  {
>      Aml *dev;
>      Aml *crs;
> -    Aml *method;
>  
>      dev = aml_device("MOU");
>      aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0F13")));
>  
> -    method = aml_method("_STA", 0, AML_NOTSERIALIZED);
> -    aml_append(method, aml_return(aml_int(0x0f)));
> -    aml_append(dev, method);
> +    aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
>  
>      crs = aml_resource_template();
>      aml_append(crs, aml_irq_no_flags(12));
> @@ -2238,9 +2232,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
>                                             TPM_CRB_ADDR_SIZE, 
> AML_READ_WRITE));
>          aml_append(dev, aml_name_decl("_CRS", crs));
>  
> -        method = aml_method("_STA", 0, AML_NOTSERIALIZED);
> -        aml_append(method, aml_return(aml_int(0x0f)));
> -        aml_append(dev, method);
> +        aml_append(dev, aml_name_decl("_STA", aml_int(0xf)));
>  
>          tpm_build_ppi_acpi(tpm, dev);
>