From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DD8C0C4332E for ; Sat, 21 Mar 2020 10:36:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B226420781 for ; Sat, 21 Mar 2020 10:36:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728042AbgCUKgB (ORCPT ); Sat, 21 Mar 2020 06:36:01 -0400 Received: from cloudserver094114.home.pl ([79.96.170.134]:54068 "EHLO cloudserver094114.home.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725932AbgCUKgB (ORCPT ); Sat, 21 Mar 2020 06:36:01 -0400 Received: from 185.80.35.16 (185.80.35.16) (HELO kreacher.localnet) by serwer1319399.home.pl (79.96.170.134) with SMTP (IdeaSmtpServer 0.83.341) id e7c2313a2645bf6d; Sat, 21 Mar 2020 11:35:59 +0100 From: "Rafael J. Wysocki" To: Cezary Rojewski Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, erik.schmauss@intel.com, lenb@kernel.org, rafael@kernel.org, Erik Kaneda , Robert Moore , "Rafael J . Wysocki" Subject: Re: [RESEND PATCH] acpi: Add NHLT table signature Date: Sat, 21 Mar 2020 11:35:59 +0100 Message-ID: <1841329.abDEU0iM3b@kreacher> In-Reply-To: <20200320192727.20560-1-cezary.rojewski@intel.com> References: <20200320192727.20560-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On Friday, March 20, 2020 8:27:27 PM CET Cezary Rojewski wrote: > NHLT (Non-HDAudio Link Table) provides configuration of audio > endpoints for Intel SST (Smart Sound Technology) DSP products. Similarly > to other ACPI tables, data provided by BIOS may not describe it > correctly, thus overriding is required. > > ACPI override mechanism checks for unknown signature before proceeding. > Update known signatures array to support NHLT. > > Cc: Erik Kaneda > Cc: Robert Moore > Cc: Rafael J. Wysocki > Signed-off-by: Cezary Rojewski > --- > drivers/acpi/tables.c | 2 +- > include/acpi/actbl2.h | 1 + > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c > index 180ac4329763..0e905c3d1645 100644 > --- a/drivers/acpi/tables.c > +++ b/drivers/acpi/tables.c > @@ -501,7 +501,7 @@ static const char * const table_sigs[] = { > ACPI_SIG_WDDT, ACPI_SIG_WDRT, ACPI_SIG_DSDT, ACPI_SIG_FADT, > ACPI_SIG_PSDT, ACPI_SIG_RSDT, ACPI_SIG_XSDT, ACPI_SIG_SSDT, > ACPI_SIG_IORT, ACPI_SIG_NFIT, ACPI_SIG_HMAT, ACPI_SIG_PPTT, > - NULL }; > + ACPI_SIG_NHLT, NULL }; > > #define ACPI_HEADER_SIZE sizeof(struct acpi_table_header) > > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h > index e45ced27f4c3..876ccf50ec36 100644 > --- a/include/acpi/actbl2.h > +++ b/include/acpi/actbl2.h > @@ -43,6 +43,7 @@ > #define ACPI_SIG_SBST "SBST" /* Smart Battery Specification Table */ > #define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */ > #define ACPI_SIG_SDEV "SDEV" /* Secure Devices table */ > +#define ACPI_SIG_NHLT "NHLT" /* Non-HDAudio Link Table */ > > /* > * All tables must be byte-packed to match the ACPI specification, since > This should go in through the ACPICA upstream IMO.