[V2][PATCH 1/2] acpi: method: _PRS is not mandatory method

[Hanjun Guo]

On 2015年04月07日 13:44, Heyi Guo wrote:
> According to ACPI 5.1 spec, section 6.2.12, "specify a _PRS for all the configurable devices. Static (non-configurable) devices do not specify a _PRS object." So the existance of _PRS method depends on the type of devices, and may be unavailable in some systems.
>
> Signed-off-by: Heyi Guo <heyi.guo at linaro.org>

Reviewed-by: Hanjun Guo <hanjun.guo at linaro.org>

> ---
>   src/acpi/method/method.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/acpi/method/method.c b/src/acpi/method/method.c
> index e84bd58..cc1ed33 100644
> --- a/src/acpi/method/method.c
> +++ b/src/acpi/method/method.c
> @@ -2096,7 +2096,7 @@ static int method_test_CRS(fwts_framework *fw)
>   static int method_test_PRS(fwts_framework *fw)
>   {
>   	/* Re-use the _CRS checking on the returned buffer */
> -	return method_evaluate_method(fw, METHOD_MANDITORY,
> +	return method_evaluate_method(fw, METHOD_OPTIONAL,
>   		"_PRS", NULL, 0, method_test_CRS_return, "_PRS");
>   }
>
>