From patchwork Mon Dec 13 12:05:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Henning Schild X-Patchwork-Id: 12673799 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D730BC433F5 for ; Mon, 13 Dec 2021 12:05:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235342AbhLMMFT (ORCPT ); Mon, 13 Dec 2021 07:05:19 -0500 Received: from mail-eopbgr60077.outbound.protection.outlook.com ([40.107.6.77]:35308 "EHLO EUR04-DB3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231585AbhLMMFQ (ORCPT ); Mon, 13 Dec 2021 07:05:16 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=ktEu+kj3OM22b99O2mgZ8WV3rL8Z/olQhF3mxtzSEUQtLlfBYvLNyq5raGx/5PywGCMyWx8JPphae0RUiRsMVkL+tD0hK5ZDxJgm3ef8Qu8NJTCYWLKI/st5g9oKepy/SrrIEue1TWxwdVwa/CY+AnGnHx0t4pLGN3aIWtPvq47BlxpEhKnJrKpfrgRjNc0jiLnn7Sn79D7VnW83C5/+KRBtciBxGDvG6B8kd4GKMO3aJJMVed3aGE/geF8irNskkIdEJcxFb7w5DN0LvcnLTxSGLh4329JEnBJOwYfakXdbmYViUU9blXAqUGis/ACtN1tXjNNmU4J7uQqGrokauA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/MMImjCflvRWW0qQ8q9+2d2EpYqtxf/o51w1lYHVRW0=; b=bTEMiZzFKhVRq7cq+goYaQDBmVSUPWTDGqCt4FBngXsKSDPLj3DfCmHLiczCQEk1ZqXB4s/s/OTypnm8tRWTXjEjXdn+7Vm/aursr4gh67uZ53ouRaH//j1pdj/zvhkz3wEu3UTAIun7uBxJNTUZidM+YaCWwdZ0YdjnPaepbcp3mXptQV7t8wP+OV5X6Cyr+B9ZS+KG7ET6vioinoFUP76yE0mhuE98L2gw6yHjBLCvP8dHHHgGgpHIcO2WEPk9af0nFk6EIxXAApbCpCkEIgTAEs4DbAQvIpFMHvuHiORvtYAuR6Pn53Tcm0v8S8R0MWUHv4bhHTlGmR3h/e5mGg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 194.138.21.72) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=siemens.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=siemens.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=siemens.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=/MMImjCflvRWW0qQ8q9+2d2EpYqtxf/o51w1lYHVRW0=; b=Y++kqUBXQVSPlFpR73RUbWWGfTXAqN//DzuMSpOXtrwQ67GzSf5KVZBcKLDqYmA0KPJOb9eIVVznw9ep625aDrYJnRcK7yYs6fPVCwGzvOh9EFf9uwh73os/u+HntfkCnOK+FGPRfo47QTQ/rQE/p2oRL5yTDl4MRiOBqmudIFVZDrfkCElEoKvj38BfWfLkl7h0A61+Y+9hQ0oddD3c8sbzqdux40R3RE53G5y/tIr/WcvvLLdF1nzNHx46dmwjuaWY7jDKjc/nj4Im4bvAxYTpKz7bjiOcKnoTWi6MDGBUM/3E/W+ZcVrBorNndGWr7e/76ZAKybSO9BuGW4tY1Q== Received: from DB6PR0501CA0046.eurprd05.prod.outlook.com (2603:10a6:4:67::32) by DB9PR10MB5233.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:10:33e::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.17; Mon, 13 Dec 2021 12:05:14 +0000 Received: from DB5EUR01FT043.eop-EUR01.prod.protection.outlook.com (2603:10a6:4:67:cafe::44) by DB6PR0501CA0046.outlook.office365.com (2603:10a6:4:67::32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4778.11 via Frontend Transport; Mon, 13 Dec 2021 12:05:14 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 194.138.21.72) smtp.mailfrom=siemens.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=siemens.com; Received-SPF: Pass (protection.outlook.com: domain of siemens.com designates 194.138.21.72 as permitted sender) receiver=protection.outlook.com; client-ip=194.138.21.72; helo=hybrid.siemens.com; Received: from hybrid.siemens.com (194.138.21.72) by DB5EUR01FT043.mail.protection.outlook.com (10.152.5.103) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4778.12 via Frontend Transport; Mon, 13 Dec 2021 12:05:14 +0000 Received: from DEMCHDC8A0A.ad011.siemens.net (139.25.226.106) by DEMCHDC9SMA.ad011.siemens.net (194.138.21.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 13 Dec 2021 13:05:13 +0100 Received: from md1za8fc.ad001.siemens.net (139.25.69.80) by DEMCHDC8A0A.ad011.siemens.net (139.25.226.106) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Mon, 13 Dec 2021 13:05:13 +0100 From: Henning Schild To: , , , CC: Srikanth Krishnakar , Jan Kiszka , Henning Schild , "Gerd Haeussler" , Guenter Roeck , Wim Van Sebroeck , Mark Gross , Hans de Goede , Pavel Machek , Andy Shevchenko , Enrico Weigelt , Michael Haener Subject: [PATCH v5 4/4] platform/x86: pmc_atom: improve critclk_systems matching for Siemens PCs Date: Mon, 13 Dec 2021 13:05:02 +0100 Message-ID: <20211213120502.20661-5-henning.schild@siemens.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211213120502.20661-1-henning.schild@siemens.com> References: <20211213120502.20661-1-henning.schild@siemens.com> MIME-Version: 1.0 X-Originating-IP: [139.25.69.80] X-ClientProxiedBy: DEMCHDC89YA.ad011.siemens.net (139.25.226.104) To DEMCHDC8A0A.ad011.siemens.net (139.25.226.106) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e4888c9a-a9be-4f8a-abd6-08d9be30d22c X-MS-TrafficTypeDiagnostic: DB9PR10MB5233:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:159; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:194.138.21.72;CTRY:DE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:hybrid.siemens.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(4636009)(46966006)(36840700001)(1076003)(36756003)(26005)(316002)(82960400001)(8676002)(336012)(956004)(186003)(508600001)(8936002)(16526019)(4326008)(54906003)(107886003)(44832011)(6666004)(70586007)(82310400004)(70206006)(110136005)(81166007)(5660300002)(47076005)(2616005)(36860700001)(7416002)(86362001)(2906002)(83380400001)(356005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Dec 2021 12:05:14.2782 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e4888c9a-a9be-4f8a-abd6-08d9be30d22c X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=38ae3bcd-9579-4fd4-adda-b42e1495d55a;Ip=[194.138.21.72];Helo=[hybrid.siemens.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR01FT043.eop-EUR01.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9PR10MB5233 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Siemens industrial PCs unfortunately can not always be properly identified the way we used to. An earlier commit introduced code that allows proper identification without looking at DMI strings that could differ based on product branding. Switch over to that proper way and revert commits that used to collect the machines based on unstable strings. Fixes: 648e921888ad ("clk: x86: Stop marking clocks as CLK_IS_CRITICAL") Fixes: e8796c6c69d1 ("platform/x86: pmc_atom: Add Siemens CONNECT ...") Fixes: f110d252ae79 ("platform/x86: pmc_atom: Add Siemens SIMATIC ...") Fixes: ad0d315b4d4e ("platform/x86: pmc_atom: Add Siemens SIMATIC ...") Tested-by: Michael Haener Signed-off-by: Henning Schild --- drivers/platform/x86/pmc_atom.c | 54 ++++++++++++++++++++------------- 1 file changed, 33 insertions(+), 21 deletions(-) diff --git a/drivers/platform/x86/pmc_atom.c b/drivers/platform/x86/pmc_atom.c index a9d2a4b98e57..a40fae6edc84 100644 --- a/drivers/platform/x86/pmc_atom.c +++ b/drivers/platform/x86/pmc_atom.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -362,6 +363,30 @@ static void pmc_dbgfs_register(struct pmc_dev *pmc) } #endif /* CONFIG_DEBUG_FS */ +static bool pmc_clk_is_critical = true; + +static int dmi_callback(const struct dmi_system_id *d) +{ + pr_info("%s critclks quirk enabled\n", d->ident); + + return 1; +} + +static int dmi_callback_siemens(const struct dmi_system_id *d) +{ + u32 st_id; + + if (dmi_walk(simatic_ipc_find_dmi_entry_helper, &st_id)) + goto out; + + if (st_id == SIMATIC_IPC_IPC227E || st_id == SIMATIC_IPC_IPC277E) + return dmi_callback(d); + +out: + pmc_clk_is_critical = false; + return 1; +} + /* * Some systems need one or more of their pmc_plt_clks to be * marked as critical. @@ -370,6 +395,7 @@ static const struct dmi_system_id critclk_systems[] = { { /* pmc_plt_clk0 is used for an external HSIC USB HUB */ .ident = "MPL CEC1x", + .callback = dmi_callback, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "MPL AG"), DMI_MATCH(DMI_PRODUCT_NAME, "CEC10 Family"), @@ -378,6 +404,7 @@ static const struct dmi_system_id critclk_systems[] = { { /* pmc_plt_clk0 - 3 are used for the 4 ethernet controllers */ .ident = "Lex 3I380D", + .callback = dmi_callback, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"), DMI_MATCH(DMI_PRODUCT_NAME, "3I380D"), @@ -386,6 +413,7 @@ static const struct dmi_system_id critclk_systems[] = { { /* pmc_plt_clk* - are used for ethernet controllers */ .ident = "Lex 2I385SW", + .callback = dmi_callback, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Lex BayTrail"), DMI_MATCH(DMI_PRODUCT_NAME, "2I385SW"), @@ -394,30 +422,17 @@ static const struct dmi_system_id critclk_systems[] = { { /* pmc_plt_clk* - are used for ethernet controllers */ .ident = "Beckhoff Baytrail", + .callback = dmi_callback, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Beckhoff Automation"), DMI_MATCH(DMI_PRODUCT_FAMILY, "CBxx63"), }, }, { - .ident = "SIMATIC IPC227E", + .ident = "SIEMENS AG", + .callback = dmi_callback_siemens, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"), - DMI_MATCH(DMI_PRODUCT_VERSION, "6ES7647-8B"), - }, - }, - { - .ident = "SIMATIC IPC277E", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"), - DMI_MATCH(DMI_PRODUCT_VERSION, "6AV7882-0"), - }, - }, - { - .ident = "CONNECT X300", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "SIEMENS AG"), - DMI_MATCH(DMI_PRODUCT_VERSION, "A5E45074588"), }, }, @@ -429,7 +444,6 @@ static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap, { struct platform_device *clkdev; struct pmc_clk_data *clk_data; - const struct dmi_system_id *d = dmi_first_match(critclk_systems); clk_data = kzalloc(sizeof(*clk_data), GFP_KERNEL); if (!clk_data) @@ -437,10 +451,8 @@ static int pmc_setup_clks(struct pci_dev *pdev, void __iomem *pmc_regmap, clk_data->base = pmc_regmap; /* offset is added by client */ clk_data->clks = pmc_data->clks; - if (d) { - clk_data->critical = true; - pr_info("%s critclks quirk enabled\n", d->ident); - } + if (dmi_check_system(critclk_systems)) + clk_data->critical = pmc_clk_is_critical; clkdev = platform_device_register_data(&pdev->dev, "clk-pmc-atom", PLATFORM_DEVID_NONE,