linux-kernel - Re: [PATCH 1/2] ACPI: Correct \_SB.

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Message-ID: <CAJZ5v0hzhCAnD8KtRkq7BpBQPXOJ3X=hCvR+=usZ=tr9SpxW4g@mail.gmail.com>
Date:   Fri, 2 Jul 2021 16:00:43 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Aubrey Li <aubrey.li@...el.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Aubrey Li <aubrey.li@...ux.intel.com>
Subject: Re: [PATCH 1/2] ACPI: Correct \_SB._OSC bit definition for PRM

On Fri, Jul 2, 2021 at 9:03 AM Aubrey Li <aubrey.li@...el.com> wrote:
>
> Accord to Platform Runtime Mechanism Specification v1.0 [1],
> Page 42, _OSC bit (BIT 21) is used to indicate OS support of
> platform runtime mechanism..
>
> [1]: https://uefi.org/sites/default/files/resources/Platform%20Runtime%20Mechanism%20-%20with%20legal%20notice.pdf
>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Signed-off-by: Aubrey Li <aubrey.li@...ux.intel.com>
> ---
>  include/linux/acpi.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index b338613..4df6a81 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -551,8 +551,8 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
>  #define OSC_SB_OSLPI_SUPPORT                   0x00000100
>  #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT                0x00001000
>  #define OSC_SB_GENERIC_INITIATOR_SUPPORT       0x00002000
> -#define OSC_SB_PRM_SUPPORT                     0x00020000
>  #define OSC_SB_NATIVE_USB4_SUPPORT             0x00040000
> +#define OSC_SB_PRM_SUPPORT                     0x00200000
>
>  extern bool osc_sb_apei_support_acked;
>  extern bool osc_pc_lpi_support_confirmed;
> --

Applied as 5.14-rc1 material, thanks!