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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 20C91C1B08C for ; Wed, 14 Jul 2021 21:46:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0A6C061358 for ; Wed, 14 Jul 2021 21:46:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236135AbhGNVtW (ORCPT ); Wed, 14 Jul 2021 17:49:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236052AbhGNVtT (ORCPT ); Wed, 14 Jul 2021 17:49:19 -0400 Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E652EC061760 for ; Wed, 14 Jul 2021 14:46:26 -0700 (PDT) Received: by mail-lf1-x131.google.com with SMTP id f30so6172742lfj.1 for ; Wed, 14 Jul 2021 14:46:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=semihalf-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=lH52iQ89d3JdCw1yanWMdKAt6CiDTmROo7xBwGJBkCg=; b=NgWFUD3QKKcxsdDRCUmDEUk0IUlU+0aZxk181PRlYjy3+yp4sKxFeE2SHIQdRZRp7k yeDjlZt+T3LJO9mvxPhk+fyEISHQScsymlKCKXpCY6hWaPfmwlW6y/aO6I1HScGNzYEB dM/EcQ+2GyCPJKxxcG1QHM84dML02BbnhB+PqpfdPVuWTQgH05Z1ZOT0URsLXLu20l95 iNdUfnE+sAlfnPT7RaAhmYtZhmUIHZNOcQOGQkPw+wTWiXbj8jEK4aJc6rgt5Yu0PEOi LYObgPue2y1HiWqD2fE09rH2oRfcx/NWk+N4RlT9qM3tv3KZ4dO0uIAOX6S0GHFvtDIM kXBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=lH52iQ89d3JdCw1yanWMdKAt6CiDTmROo7xBwGJBkCg=; b=skJvkcfVCwOmVvMdysxlOrY+NEe1b2LsJG85pvixEEWXbdWaLFXt4llzrf0MgB0boI TQwv1fPtMfpW9ZKt+hEiOE/L7OigRR2SDKDrdIHIQd3Jm34c+5TUIB39Ka62Gp1gOvun EB5YcpiPzfHXW1YxsCGXNCb2B/1wob+3zdugPI0TquyqLR9wOSiStuSrDIb27eAVtAN6 m5mjgmCkUQtFoW0bwWZohhKFGnewVy6mEiO1FW0TY1iZf+1LABg6DAhI/+rvvOs3o3s/ TvW+5peFoTJSsttuOGxGjE644KzGdoLuA8oVAWPs91cnPtrxoe+KXqEJO1Y8FLtR6jI9 M5sw== X-Gm-Message-State: AOAM530p6m3phTjcHYW5hFiU3JbAeUfkKmpzZRCpHjorhsC/ibMlINIQ ISgmGpHyW02Mkj0p3TxjUrp99J7F6Rkgwo1C X-Google-Smtp-Source: ABdhPJxthwLdCnryFxZ0ELE1D9Row/k0pt3HWvAqvkLVx29rmwps7QRVOmbjdXWaN/OZYocOukHVqw== X-Received: by 2002:a19:6d01:: with SMTP id i1mr214902lfc.422.1626299185256; Wed, 14 Jul 2021 14:46:25 -0700 (PDT) Received: from gilgamesh.lab.semihalf.net ([83.142.187.85]) by smtp.gmail.com with ESMTPSA id s21sm370837lji.57.2021.07.14.14.46.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Jul 2021 14:46:24 -0700 (PDT) From: Marcin Wojtas To: linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, devel@acpica.org Cc: jaz@semihalf.com, gjb@semihalf.com, upstream@semihalf.com, Samer.El-Haj-Mahmoud@arm.com, jon@solid-run.com, tn@semihalf.com, rjw@rjwysocki.net, lenb@kernel.org, robert.moore@intel.com, Marcin Wojtas Subject: [PATCH 2/2] ACPI: SPCR: Add support for the new 16550-compatible Serial Port Subtype Date: Wed, 14 Jul 2021 23:43:46 +0200 Message-Id: <20210714214346.1397942-3-mw@semihalf.com> X-Mailer: git-send-email 2.29.0 In-Reply-To: <20210714214346.1397942-1-mw@semihalf.com> References: <20210714214346.1397942-1-mw@semihalf.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Microsoft Debug Port Table 2 (DBG2) specification revision May 31, 2017 added definition of the 16550-compatible Serial Port Subtype with parameters defined in Generic Address Structure (GAS) [1] Add its support in the SPCR table parsing routine. [1] https://docs.microsoft.com/en-us/windows-hardware/drivers/bringup/acpi-debug-port-table Signed-off-by: Marcin Wojtas --- drivers/acpi/spcr.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index 88460bacd5ae..25c2d0be953e 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -136,6 +136,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console) break; case ACPI_DBG2_16550_COMPATIBLE: case ACPI_DBG2_16550_SUBSET: + case ACPI_DBG2_16550_WITH_GAS: uart = "uart"; break; default: -- 2.29.0