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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 5B043C43214 for ; Sat, 31 Jul 2021 06:10:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 43F0A6069E for ; Sat, 31 Jul 2021 06:10:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237420AbhGaGK5 (ORCPT ); Sat, 31 Jul 2021 02:10:57 -0400 Received: from mga18.intel.com ([134.134.136.126]:54747 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237290AbhGaGKz (ORCPT ); Sat, 31 Jul 2021 02:10:55 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10061"; a="200417342" X-IronPort-AV: E=Sophos;i="5.84,284,1620716400"; d="scan'208";a="200417342" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2021 23:10:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,284,1620716400"; d="scan'208";a="508566316" Received: from otcpl-manager.jf.intel.com (HELO localhost.localdomain) ([10.54.39.234]) by FMSMGA003.fm.intel.com with ESMTP; 30 Jul 2021 23:10:48 -0700 From: Gayatri Kammela To: platform-driver-x86@vger.kernel.org Cc: mgross@linux.intel.com, hdegoede@redhat.com, irenic.rajneesh@gmail.com, andriy.shevchenko@linux.intel.com, vicamo.yang@canonical.com, srinivas.pandruvada@intel.com, david.e.box@intel.com, chao.qin@intel.com, linux-kernel@vger.kernel.org, tamar.mashiah@intel.com, gregkh@linuxfoundation.org, rajatja@google.com, Shyam-sundar.S-k@amd.com, Alexander.Deucher@amd.com, mlimonci@amd.com, "David E. Box" , Andy Shevchenko Subject: [PATCH v6 5/5] platform/x86/intel: pmc/core: Add GBE Package C10 fix for Alder Lake PCH Date: Fri, 30 Jul 2021 23:07:16 -0700 Message-Id: <41f013b885b19ee7362272bb646ddd8a46d09fbb.1627710766.git.gayatri.kammela@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org From: "David E. Box" Alder PCH uses the same Gigabit Ethernet (GBE) device as Tiger Lake PCH which cannot achieve PC10 without ignoring the PMC GBE LTR. Add this work around for Alder Lake PCH as well. Cc: Chao Qin Cc: Srinivas Pandruvada Cc: Andy Shevchenko Tested-by: You-Sheng Yang Acked-by: Rajneesh Bhardwaj Reviewed-by: Hans de Goede Reviewed-by: Andy Shevchenko Signed-off-by: David E. Box --- drivers/platform/x86/intel/pmc/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index e645ede591d8..7c4bf7d22fd5 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -1983,10 +1983,10 @@ static int pmc_core_probe(struct platform_device *pdev) pmc_core_get_tgl_lpm_reqs(pdev); /* - * On TGL, due to a hardware limitation, the GBE LTR blocks PC10 when - * a cable is attached. Tell the PMC to ignore it. + * On TGL and ADL, due to a hardware limitation, the GBE LTR blocks PC10 + * when a cable is attached. Tell the PMC to ignore it. */ - if (pmcdev->map == &tgl_reg_map) { + if (pmcdev->map == &tgl_reg_map || pmcdev->map == &adl_reg_map) { dev_dbg(&pdev->dev, "ignoring GBE LTR\n"); pmc_core_send_ltr_ignore(pmcdev, 3); } -- 2.25.1